swh:1:snp:77163734605b0ec556b01d897b7bb4a7e30d46b6
- v6.1-rc7
- v6.1-rc6
- v6.1-rc5
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- v6.1-rc2
- v6.1-rc1
- v6.0-rc7
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- v6.0
- v5.9-rc8
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- v5.9
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- v5.8
- v5.7-rc7
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- v5.7
- v5.6-rc7
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- v5.2
- v5.19-rc8
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- v5.17
- v5.16-rc8
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- v5.16
- v5.15-rc7
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- v5.15
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- v5.14
- v5.13-rc7
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- v5.13
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- v5.12
- v5.11-rc7
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- v5.11-rc1
- v5.11
- v5.10-rc7
- v5.10-rc6
- v5.10-rc5
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- v5.10
- v5.1-rc7
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- v5.1-rc5
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- v5.1-rc2
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- v5.1
- v5.0-rc8
- v5.0-rc7
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- v5.0-rc5
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- v5.0
- v4.9-rc8
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- v4.9
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- v4.8
- v4.7-rc7
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- v4.7
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- v4.6-rc6
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- v4.6
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- v4.5
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- v4.4
- v4.3-rc7
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- v4.3-rc5
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- v4.3
- v4.20-rc7
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- v4.20-rc5
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- v4.20-rc1
- v4.20
- v4.2-rc8
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- v4.2-rc6
- v4.2-rc5
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- v4.2-rc2
- v4.2-rc1
- v4.2
- v4.19-rc8
- v4.19-rc7
- v4.19-rc6
- v4.19-rc5
- v4.19-rc4
- v4.19-rc3
- v4.19-rc2
- v4.19-rc1
- v4.19
- v4.18-rc8
- v4.18-rc7
- v4.18-rc6
- v4.18-rc5
- v4.18-rc4
- v4.18-rc3
- v4.18-rc2
- v4.18-rc1
- v4.18
- v4.17-rc7
- v4.17-rc6
- v4.17-rc5
- v4.17-rc4
- v4.17-rc3
- v4.17-rc2
- v4.17-rc1
- v4.17
- v4.16-rc7
- v4.16-rc6
- v4.16-rc5
- v4.16-rc4
- v4.16-rc3
- v4.16-rc2
- v4.16-rc1
- v4.16
- v4.15-rc9
- v4.15-rc8
- v4.15-rc7
- v4.15-rc6
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- v4.15-rc2
- v4.15-rc1
- v4.15
- v4.14-rc8
- v4.14-rc7
- v4.14-rc6
- v4.14-rc5
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- v4.14-rc3
- v4.14-rc2
- v4.14-rc1
- v4.14
- v4.13-rc7
- v4.13-rc6
- v4.13-rc5
- v4.13-rc4
- v4.13-rc3
- v4.13-rc2
- v4.13-rc1
- v4.13
- v4.12-rc7
- v4.12-rc6
- v4.12-rc5
- v4.12-rc4
- v4.12-rc3
- v4.12-rc2
- v4.12-rc1
- v4.12
- v4.11-rc8
- v4.11-rc7
- v4.11-rc6
- v4.11-rc5
- v4.11-rc4
- v4.11-rc3
- v4.11-rc2
- v4.11-rc1
- v4.11
- v4.10-rc8
- v4.10-rc7
- v4.10-rc6
- v4.10-rc5
- v4.10-rc4
- v4.10-rc3
- v4.10-rc2
- v4.10-rc1
- v4.10
- v4.1-rc8
- v4.1-rc7
- v4.1-rc6
- v4.1-rc5
- v4.1-rc4
- v4.1-rc3
- v4.1-rc2
- v4.1-rc1
- v4.1
- v4.0-rc7
- v4.0-rc6
- v4.0-rc5
- v4.0-rc4
- v4.0-rc3
- v4.0-rc2
- v4.0-rc1
- v4.0
- v3.9-rc8
- v3.9-rc7
- v3.9-rc6
- v3.9-rc5
- v3.9-rc4
- v3.9-rc3
- v3.9-rc2
- v3.9-rc1
- v3.9
- v3.8-rc7
- v3.8-rc6
- v3.8-rc5
- v3.8-rc4
- v3.8-rc3
- v3.8-rc2
- v3.8-rc1
- v3.8
- v3.7-rc8
- v3.7-rc7
- v3.7-rc6
- v3.7-rc5
- v3.7-rc4
- v3.7-rc3
- v3.7-rc2
- v3.7-rc1
- v3.7
- v3.6-rc7
- v3.6-rc6
- v3.6-rc5
- v3.6-rc4
- v3.6-rc3
- v3.6-rc2
- v3.6-rc1
- v3.6
- v3.5-rc7
- v3.5-rc6
- v3.5-rc5
- v3.5-rc4
- v3.5-rc3
- v3.5-rc2
- v3.5-rc1
- v3.5
- v3.4-rc7
- v3.4-rc6
- v3.4-rc5
- v3.4-rc4
- v3.4-rc3
- v3.4-rc2
- v3.4-rc1
- v3.4
- v3.3-rc7
- v3.3-rc6
- v3.3-rc5
- v3.3-rc4
- v3.3-rc3
- v3.3-rc2
- v3.3-rc1
- v3.3
- v3.2-rc7
- v3.2-rc6
- v3.2-rc5
- v3.2-rc4
- v3.2-rc3
- v3.2-rc2
- v3.2-rc1
- v3.2
- v3.19-rc7
- v3.19-rc6
- v3.19-rc5
- v3.19-rc4
- v3.19-rc3
- v3.19-rc2
- v3.19-rc1
- v3.19
- v3.18-rc7
- v3.18-rc6
- v3.18-rc5
- v3.18-rc4
- v3.18-rc3
- v3.18-rc2
- v3.18-rc1
- v3.18
- v3.17-rc7
- v3.17-rc6
- v3.17-rc5
- v3.17-rc4
- v3.17-rc3
- v3.17-rc2
- v3.17-rc1
- v3.17
- v3.16-rc7
- v3.16-rc6
- v3.16-rc5
- v3.16-rc4
- v3.16-rc3
- v3.16-rc2
- v3.16-rc1
- v3.16
- v3.15-rc8
- v3.15-rc7
- v3.15-rc6
- v3.15-rc5
- v3.15-rc4
- v3.15-rc3
- v3.15-rc2
- v3.15-rc1
- v3.15
- v3.14-rc8
- v3.14-rc7
- v3.14-rc6
- v3.14-rc5
- v3.14-rc4
- v3.14-rc3
- v3.14-rc2
- v3.14-rc1
- v3.14
- v3.13-rc8
- v3.13-rc7
- v3.13-rc6
- v3.13-rc5
- v3.13-rc4
- v3.13-rc3
- v3.13-rc2
- v3.13-rc1
- v3.13
- v3.12-rc7
- v3.12-rc6
- v3.12-rc5
- v3.12-rc4
- v3.12-rc3
- v3.12-rc2
- v3.12-rc1
- v3.12
- v3.11-rc7
- v3.11-rc6
- v3.11-rc5
- v3.11-rc4
- v3.11-rc3
- v3.11-rc2
- v3.11-rc1
- v3.11
- v3.10-rc7
- v3.10-rc6
- v3.10-rc5
- v3.10-rc4
- v3.10-rc3
- v3.10-rc2
- v3.10-rc1
- v3.10
- v3.1-rc9
- v3.1-rc8
- v3.1-rc7
- v3.1-rc6
- v3.1-rc5
- v3.1-rc4
- v3.1-rc3
- v3.1-rc2
- v3.1-rc10
- v3.1-rc1
- v3.1
- v3.0-rc7
- v3.0-rc6
- v3.0-rc5
- v3.0-rc4
- v3.0-rc3
- v3.0-rc2
- v3.0-rc1
- v3.0
- v2.6.39-rc7
- v2.6.39-rc6
- v2.6.39-rc5
- v2.6.39-rc4
- v2.6.39-rc3
- v2.6.39-rc2
- v2.6.39-rc1
- v2.6.39
- v2.6.38-rc8
- v2.6.38-rc7
- v2.6.38-rc6
- v2.6.38-rc5
- v2.6.38-rc4
- v2.6.38-rc3
- v2.6.38-rc2
- v2.6.38-rc1
- v2.6.38
- v2.6.37-rc8
- v2.6.37-rc7
- v2.6.37-rc6
- v2.6.37-rc5
- v2.6.37-rc4
- v2.6.37-rc3
- v2.6.37-rc2
- v2.6.37-rc1
- v2.6.37
- v2.6.36-rc8
- v2.6.36-rc7
- v2.6.36-rc6
- v2.6.36-rc5
- v2.6.36-rc4
- v2.6.36-rc3
- v2.6.36-rc2
- v2.6.36-rc1
- v2.6.36
- v2.6.35-rc6
- v2.6.35-rc5
- v2.6.35-rc4
- v2.6.35-rc3
- v2.6.35-rc2
- v2.6.35-rc1
- v2.6.35
- v2.6.34-rc7
- v2.6.34-rc6
- v2.6.34-rc5
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- v2.6.34-rc3
- v2.6.34-rc2
- v2.6.34-rc1
- v2.6.34
- v2.6.33-rc8
- v2.6.33-rc7
- v2.6.33-rc6
- v2.6.33-rc5
- v2.6.33-rc4
- v2.6.33-rc3
- v2.6.33-rc2
- v2.6.33-rc1
- v2.6.33
- v2.6.32-rc8
- v2.6.32-rc7
- v2.6.32-rc6
- v2.6.32-rc5
- v2.6.32-rc4
- v2.6.32-rc3
- v2.6.32-rc1
- v2.6.32
- v2.6.31-rc9
- v2.6.31-rc8
- v2.6.31-rc7
- v2.6.31-rc6
- v2.6.31-rc5
- v2.6.31-rc4
- v2.6.31-rc3
- v2.6.31-rc2
- v2.6.31-rc1
- v2.6.31
- v2.6.30-rc8
- v2.6.30-rc7
- v2.6.30-rc6
- v2.6.30-rc5
- v2.6.30-rc4
- v2.6.30-rc3
- v2.6.30-rc2
- v2.6.30-rc1
- v2.6.30
- v2.6.29-rc8
- v2.6.29-rc7
- v2.6.29-rc6
- v2.6.29-rc5
- v2.6.29-rc4
- v2.6.29-rc3
- v2.6.29-rc2
- v2.6.29-rc1
- v2.6.29
- v2.6.28-rc9
- v2.6.28-rc8
- v2.6.28-rc7
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- v2.6.28-rc5
- v2.6.28-rc4
- v2.6.28-rc3
- v2.6.28-rc2
- v2.6.28-rc1
- v2.6.28
- v2.6.27-rc9
- v2.6.27-rc8
- v2.6.27-rc7
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- v2.6.27-rc3
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- v2.6.27-rc1
- v2.6.27
- v2.6.26-rc9
- v2.6.26-rc8
- v2.6.26-rc7
- v2.6.26-rc6
- v2.6.26-rc5
- v2.6.26-rc4
- v2.6.26-rc3
- v2.6.26-rc2
- v2.6.26-rc1
- v2.6.26
- v2.6.25-rc9
- v2.6.25-rc8
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- v2.6.25
- v2.6.24-rc8
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- v2.6.24-rc1
- v2.6.24
- v2.6.23-rc9
- v2.6.23-rc8
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- v2.6.23
- v2.6.22-rc7
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- v2.6.22-rc5
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- v2.6.22-rc1
- v2.6.22
- v2.6.21-rc7
- v2.6.21-rc6
- v2.6.21-rc5
- v2.6.21-rc4
- v2.6.21-rc3
- v2.6.21-rc2
- v2.6.21-rc1
- v2.6.21
- v2.6.20-rc7
- v2.6.20-rc6
- v2.6.20-rc5
- v2.6.20-rc4
- v2.6.20-rc3
- v2.6.20-rc2
- v2.6.20-rc1
- v2.6.20
- v2.6.19-rc6
- v2.6.19-rc5
- v2.6.19-rc4
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- v2.6.19
- v2.6.18-rc7
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- v2.6.18
- v2.6.17-rc6
- v2.6.17-rc5
- v2.6.17-rc4
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- v2.6.17-rc2
- v2.6.17-rc1
- v2.6.17
- v2.6.16-rc6
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- v2.6.16-rc2
- v2.6.16-rc1
- v2.6.16
- v2.6.15-rc7
- v2.6.15-rc6
- v2.6.15-rc5
- v2.6.15-rc4
- v2.6.15-rc3
- v2.6.15-rc2
- v2.6.15-rc1
- v2.6.15
- v2.6.14-rc5
- v2.6.14-rc4
- v2.6.14-rc3
- v2.6.14-rc2
- v2.6.14-rc1
- v2.6.14
- v2.6.13-rc7
- v2.6.13-rc6
- v2.6.13-rc5
- v2.6.13-rc4
- v2.6.13-rc3
- v2.6.13-rc2
- v2.6.13-rc1
- v2.6.13
- v2.6.12-rc6
- v2.6.12-rc5
- v2.6.12-rc4
- v2.6.12-rc3
- v2.6.12-rc2
- v2.6.12
- v2.6.11-tree
Permalinks
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Revision | Author | Date | Message | Commit Date |
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550af79 | Greg Kroah-Hartman | 29 April 2016, 22:20:21 UTC | Merge tag 'usb-serial-4.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus Johan writes: USB-serial fixes for v4.6-rc6 Here are some new device ids. Signed-off-by: Johan Hovold <johan@kernel.org> | 29 April 2016, 22:20:21 UTC |
97b9b7d | Vladimir Zapolskiy | 25 April 2016, 20:53:31 UTC | usb: musb: jz4740: fix error check of usb_get_phy() The usb_get_phy() function returns either a valid pointer to phy or ERR_PTR() error, check for NULL always fails and may lead to oops on error path, fix this issue. Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 26 April 2016, 21:50:02 UTC |
f551e13 | Bin Liu | 25 April 2016, 20:53:30 UTC | Revert "usb: musb: musb_host: Enable HCD_BH flag to handle urb return in bottom half" This reverts commit 2035772010db634ec8566b658fb1cd87ec47ac77. Commit 20357720 claims throughput improvement for MSC/UVC, but I don't see much improvement. Following are the MSC measurement using dd on AM335x GP EVM. with BCD_BH: read: 14.9MB/s, write: 20.9MB/s without BCD_BH: read: 15.2MB/s, write: 21.2MB/s However with this commit the following regressions have been observed. 1. ASIX usb-ethernet dongle is completely broken on UDP RX. 2. Unpluging a 3G modem, which uses option driver, behind a hub causes console log flooding with the following message. option_instat_callback: error -71 Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 26 April 2016, 21:50:02 UTC |
607fb0f | Tal Shorer | 25 April 2016, 20:53:29 UTC | usb: musb: gadget: nuke endpoint before setting its descriptor to NULL Some functions, such as f_sourcesink, rely on an endpoint's desc field during their requests' complete() callback, so clear it only _after_ nuking all requests to avoid NULL pointer dereference. Signed-off-by: Tal Shorer <tal.shorer@gmail.com> Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 26 April 2016, 21:50:02 UTC |
02da2d7 | Linus Torvalds | 24 April 2016, 23:17:05 UTC | Linux 4.6-rc5 | 24 April 2016, 23:17:05 UTC |
613ac23 | Jasem Mutlaq | 19 April 2016, 07:38:27 UTC | USB: serial: cp210x: add Straizona Focusers device ids Adding VID:PID for Straizona Focusers to cp210x driver. Signed-off-by: Jasem Mutlaq <mutlaqja@ikarustech.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Johan Hovold <johan@kernel.org> | 24 April 2016, 09:19:06 UTC |
1d377f4 | Mike Manning | 18 April 2016, 12:13:23 UTC | USB: serial: cp210x: add ID for Link ECU The Link ECU is an aftermarket ECU computer for vehicles that provides full tuning abilities as well as datalogging and displaying capabilities via the USB to Serial adapter built into the device. Signed-off-by: Mike Manning <michael@bsch.com.au> Cc: stable <stable@vger.kernel.org> Signed-off-by: Johan Hovold <johan@kernel.org> | 24 April 2016, 09:06:23 UTC |
913f201 | Linus Torvalds | 24 April 2016, 00:15:39 UTC | Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal Pull thermal fixes from Eduardo Valentin: "Specifics in this pull request: - Fixes in mediatek and OF thermal drivers - Fixes in power_allocator governor - More fixes of unsigned to int type change in thermal_core.c. These change have been CI tested using KernelCI bot. \o/" * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal: thermal: fix Mediatek thermal controller build thermal: consistently use int for trip temp thermal: fix mtk_thermal build dependency thermal: minor mtk_thermal.c cleanups thermal: power_allocator: req_range multiplication should be a 64 bit type thermal: of: add __init attribute | 24 April 2016, 00:15:39 UTC |
4dfa573 | Linus Torvalds | 23 April 2016, 21:53:11 UTC | Merge tag 'asm-generic-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic Pull asm-generic update from Arnd Bergmann: "Here is one patch to wire up the preadv/pwritev system calls in the generic system call table, which is required for all architectures that were merged in the last few years, including arm64. Usually these get merged along with the syscall implementation or one of the architecture trees, but this time that did not happen. Andre and Christoph both sent a version of this patch, I picked the one I got first" * tag 'asm-generic-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: generic syscalls: wire up preadv2 and pwritev2 syscalls | 23 April 2016, 21:53:11 UTC |
987aedb | Andre Przywara | 11 April 2016, 09:17:46 UTC | generic syscalls: wire up preadv2 and pwritev2 syscalls These new syscalls are implemented as generic code, so enable them for architectures like arm64 which use the generic syscall table. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> | 23 April 2016, 20:38:08 UTC |
1ad9bf9 | Linus Torvalds | 23 April 2016, 19:07:29 UTC | Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Ingo Molnar: "Misc fixes: two EDAC driver fixes, a Xen crash fix, a HyperV log spam fix and a documentation fix" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86 EDAC, sb_edac.c: Take account of channel hashing when needed x86 EDAC, sb_edac.c: Repair damage introduced when "fixing" channel address x86/mm/xen: Suppress hugetlbfs in PV guests x86/doc: Correct limits in Documentation/x86/x86_64/mm.txt x86/hyperv: Avoid reporting bogus NMI status for Gen2 instances | 23 April 2016, 19:07:29 UTC |
82b23cb | Linus Torvalds | 23 April 2016, 18:45:52 UTC | Merge branches 'perf-urgent-for-linus', 'smp-urgent-for-linus' and 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf, cpu hotplug and timer fixes from Ingo Molnar: "perf: - A single tooling fix for a user-triggerable segfault. CPU hotplug: - Fix a CPU hotplug corner case regression, introduced by the recent hotplug rework timers: - Fix a boot hang in the ARM based Tango SoC clocksource driver" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf intel-pt: Fix segfault tracing transactions * 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: cpu/hotplug: Fix rollback during error-out in __cpu_disable() * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource/drivers/tango-xtal: Fix boot hang due to incorrect test | 23 April 2016, 18:45:52 UTC |
0e11d25 | Linus Torvalds | 23 April 2016, 18:39:48 UTC | Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fixes from Ingo Molnar: "Misc fixes: pvqspinlocks: - an instrumentation fix futexes: - preempt-count vs pagefault_disable decouple corner case fix - futex requeue plist race window fix - futex UNLOCK_PI transaction fix for a corner case" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: asm-generic/futex: Re-enable preemption in futex_atomic_cmpxchg_inatomic() futex: Acknowledge a new waiter in counter before plist futex: Handle unlock_pi race gracefully locking/pvqspinlock: Fix division by zero in qstat_read() | 23 April 2016, 18:39:48 UTC |
16ecb41 | Linus Torvalds | 23 April 2016, 18:34:39 UTC | Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Ingo Molnar: "A core irq affinity masks related fix and a MIPS irqchip driver fix" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/mips-gic: Don't overrun pcpu_masks array genirq: Dont allow affinity mask to be updated on IPIs | 23 April 2016, 18:34:39 UTC |
6527efb | Linus Torvalds | 23 April 2016, 18:25:01 UTC | Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull objtool fixes from Ingo Molnar: "A handful of objtool fixes: two improvements to how warnings are printed plus a false positive warning fix, and build environment fix" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: objtool: Fix Makefile to properly see if libelf is supported objtool: Detect falling through to the next function objtool: Add workaround for GCC switch jump table bug | 23 April 2016, 18:25:01 UTC |
68dc08b | Linus Torvalds | 23 April 2016, 18:20:03 UTC | Merge tag 'usb-4.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB / PHY driver fixes from Greg KH: "Here are two small sets of patches, both from subsystem trees, USB gadget and PHY drivers. Full details are in the shortlog, and they have all been in linux-next for a while (before I merged them to the USB tree)" * tag 'usb-4.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: gadget: f_fs: Fix use-after-free usb: dwc3: gadget: Fix suspend/resume during device mode usb: dwc3: fix memory leak of dwc->regset usb: dwc3: core: fix PHY handling during suspend usb: dwc3: omap: fix up error path on probe() usb: gadget: composite: Clear reserved fields of SSP Dev Cap phy: rockchip-emmc: adapt binding to specifiy register offset and length phy: rockchip-emmc: should be a child device of the GRF phy: rockchip-dp: should be a child device of the GRF | 23 April 2016, 18:20:03 UTC |
8e3ae37 | Linus Torvalds | 23 April 2016, 18:13:46 UTC | Merge tag 'tty-4.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull serial fixes from Greg KH: "Here are 3 serial driver fixes for issues that have been reported. Two are reverts, fixing problems that were in the big TTY/Serial driver merge in 4.6-rc1, and the last one is a simple bugfix for a regression that showed up in 4.6-rc1 as well. All have been in linux-next with no reported issues" * tag 'tty-4.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: Revert "serial: 8250: Add hardware dependency to RT288X option" tty/serial/8250: fix RS485 half-duplex RX Revert "serial-uartlite: Constify uartlite_be/uartlite_le" | 23 April 2016, 18:13:46 UTC |
f9d1e7f | Linus Torvalds | 23 April 2016, 18:04:26 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input subsystem fixes from Dmitry Torokhov: "Just minor driver fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: twl4030-vibra - do not reparent to grandparent Input: twl6040-vibra - do not reparent to grandparent Input: twl6040-vibra - ignore return value of schedule_work Input: twl6040-vibra - fix NULL pointer dereference by removing workqueue Input: pmic8xxx-pwrkey - fix algorithm for converting trigger delay Input: arizona-haptic - don't assign input_dev parent Input: clarify we want BTN_TOOL_<name> on proximity Input: xpad - add Mad Catz FightStick TE 2 VID/PID Input: gtco - fix crash on detecting device without endpoints | 23 April 2016, 18:04:26 UTC |
09502d9 | Linus Torvalds | 22 April 2016, 18:52:49 UTC | Merge tag 'pinctrl-v4.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control fixes from Linus Walleij: "Some pin control driver fixes came in. One headed for stable and the other two are just ordinary merge window fixes. - Make the i.MX driver select REGMAP as a dependency - Fix up the Mediatek debounce time unit - Fix a real hairy ffs vs __ffs issue in the Single pinctrl driver" * tag 'pinctrl-v4.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: single: Fix pcs_parse_bits_in_pinctrl_entry to use __ffs than ffs pinctrl: mediatek: correct debounce time unit in mtk_gpio_set_debounce pinctrl: imx: Kconfig: PINCTRL_IMX select REGMAP | 22 April 2016, 18:52:49 UTC |
ddce192 | Linus Torvalds | 22 April 2016, 18:11:15 UTC | Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Catalin Marinas: - Cache invalidation fix for early CPU boot status update (incorrect cacheline) - of_put_node() missing in the spin_table code - EL1/El2 early init inconsistency when Virtualisation Host Extensions are present - RCU warning fix in the arm_pmu.c driver * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: Fix EL1/EL2 early init inconsistencies with VHE drivers/perf: arm-pmu: fix RCU usage on pmu resume from low-power arm64: spin-table: add missing of_node_put() arm64: fix invalidation of wrong __early_cpu_boot_status cacheline | 22 April 2016, 18:11:15 UTC |
ff06162 | Linus Torvalds | 22 April 2016, 17:53:12 UTC | Merge tag 'powerpc-4.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "Three powerpc cpu feature fixes from Anton Blanchard: - scan_features() updated incorrect bits for REAL_LE - update cpu_user_features2 in scan_features() - update TM user feature bits in scan_features()" * tag 'powerpc-4.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc: Update TM user feature bits in scan_features() powerpc: Update cpu_user_features2 in scan_features() powerpc: scan_features() updates incorrect bits for REAL_LE | 22 April 2016, 17:53:12 UTC |
7c5047a | Linus Torvalds | 22 April 2016, 17:41:31 UTC | Merge tag 'iommu-fixes-v4.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull IOMMU fixes from Joerg Roedel: "The fixes include: - Two patches to revert the use of default domains in the ARM SMMU driver. Enabling this caused regressions which need more thorough fixing. So the regressions are fixed for now by disabling the use of default domains. - A fix for a v4.4 regression in the AMD IOMMU driver which broke devices behind invisible PCIe-to-PCI bridges with IOMMU enabled" * tag 'iommu-fixes-v4.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/arm-smmu: Don't allocate resources for bypass domains iommu/arm-smmu: Fix stream-match conflict with IOMMU_DOMAIN_DMA iommu/amd: Fix checking of pci dma aliases | 22 April 2016, 17:41:31 UTC |
d61fb48 | Linus Torvalds | 22 April 2016, 17:29:52 UTC | Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux Pull drm fixes from Dave Airlie: "i915, nouveau and amdgpu/radeon fixes in this: nouveau: Two fixes, one for a regression with dithering and one for a bug hit by the userspace drivers. i915: A few fixes, mostly things heading for stable, two important skylake GT3/4 hangs. radeon/amdgpu: Some audio, suspend/resume and some runtime PM fixes, along with two patches to harden the userptr ABI a bit" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (24 commits) drm: Loongson-3 doesn't fully support wc memory drm/nouveau/gr/gf100: select a stream master to fixup tfb offset queries amdgpu/uvd: add uvd fw version for amdgpu drm/amdgpu: forbid mapping of userptr bo through radeon device file drm/radeon: forbid mapping of userptr bo through radeon device file drm/amdgpu: bump the afmt limit for CZ, ST, Polaris drm/amdgpu: use defines for CRTCs and AMFT blocks drm/dp/mst: Validate port in drm_dp_payload_send_msg() drm/nouveau/kms: fix setting of default values for dithering properties drm/radeon: print a message if ATPX dGPU power control is missing Revert "drm/radeon: disable runtime pm on PX laptops without dGPU power control" drm/amdgpu/acp: fix resume on CZ systems with AZ audio drm/radeon: add a quirk for a XFX R9 270X drm/radeon: print pci revision as well as pci ids on driver load drm/i915: Use fw_domains_put_with_fifo() on HSW drm/i915: Force ringbuffers to not be at offset 0 drm/i915: Adjust size of PIPE_CONTROL used for gen8 render seqno write drm/i915/skl: Fix spurious gpu hang with gt3/gt4 revs drm/i915/skl: Fix rc6 based gpu/system hang drm/i915/userptr: Hold mmref whilst calling get-user-pages ... | 22 April 2016, 17:29:52 UTC |
d4b0528 | Linus Torvalds | 22 April 2016, 17:17:18 UTC | Merge tag 'sound-4.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Again a relatively calm week without surprise: most of fixes are about HD-audio, including fixes for Cirrus codec regression and a race over regmap access. Although both change are slightly unintuitive, the risk of further breakage is quite low, I hope. Other than that, all the rest are trivial" * tag 'sound-4.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Fix possible race on regmap bypass flip ALSA: pcxhr: Fix missing mutex unlock ALSA: hda - add PCI ID for Intel Broxton-T ALSA: hda - Keep powering up ADCs on Cirrus codecs ALSA: hda/realtek - Add ALC3234 headset mode for Optiplex 9020m ALSA - hda: hdmi check NULL pointer in hdmi_set_chmap ALSA: hda - Don't trust the reported actual power state | 22 April 2016, 17:17:18 UTC |
d40d334 | Greg Kroah-Hartman | 22 April 2016, 08:13:24 UTC | Merge tag 'phy-for-4.6-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus Kishon writes: phy: for 4.6-rc *) make rockchip-dp and rockchip-emmc PHY child device of GRF Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> | 22 April 2016, 08:13:24 UTC |
ea5dfb5 | Tony Luck | 14 April 2016, 17:22:02 UTC | x86 EDAC, sb_edac.c: Take account of channel hashing when needed Haswell and Broadwell can be configured to hash the channel interleave function using bits [27:12] of the physical address. On those processor models we must check to see if hashing is enabled (bit21 of the HASWELL_HASYSDEFEATURE2 register) and act accordingly. Based on a patch by patrickg <patrickg@supermicro.com> Tested-by: Patrick Geary <patrickg@supermicro.com> Signed-off-by: Tony Luck <tony.luck@intel.com> Acked-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Cc: Aristeu Rozanski <arozansk@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-edac@vger.kernel.org Cc: stable@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org> | 22 April 2016, 08:10:01 UTC |
ff15e95 | Tony Luck | 14 April 2016, 17:21:52 UTC | x86 EDAC, sb_edac.c: Repair damage introduced when "fixing" channel address In commit: eb1af3b71f9d ("Fix computation of channel address") I switched the "sck_way" variable from holding the log2 value read from the h/w to instead be the actual number. Unfortunately it is needed in log2 form when used to shift the address. Tested-by: Patrick Geary <patrickg@supermicro.com> Signed-off-by: Tony Luck <tony.luck@intel.com> Acked-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Cc: Aristeu Rozanski <arozansk@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-edac@vger.kernel.org Cc: stable@vger.kernel.org Fixes: eb1af3b71f9d ("Fix computation of channel address") Signed-off-by: Ingo Molnar <mingo@kernel.org> | 22 April 2016, 08:10:01 UTC |
5813dea | Greg Kroah-Hartman | 22 April 2016, 08:09:05 UTC | Merge tag 'fixes-for-v4.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus Felipe writes: usb: fixes for v4.6-rc5 No more major fixes left. Out of the 6 fixes we have here, 4 are on dwc3. The most important is the memory leak fix in dwc3/debugfs.c. We also have a fix for PHY handling in suspend/resume and a fix for dwc3-omap's error handling. Suspend/resume also had the potential to trigger a NULL pointer dereference on dwc3; that's also fixed now. Our good ol' ffs function gets a use-after-free fix while the generic composite.c layer has a robustness fix by making sure reserved fields of a possible SSP device capability descriptor is cleared to 0. | 22 April 2016, 08:09:05 UTC |
103f611 | Jan Beulich | 21 April 2016, 06:27:04 UTC | x86/mm/xen: Suppress hugetlbfs in PV guests Huge pages are not normally available to PV guests. Not suppressing hugetlbfs use results in an endless loop of page faults when user mode code tries to access a hugetlbfs mapped area (since the hypervisor denies such PTEs to be created, but error indications can't be propagated out of xen_set_pte_at(), just like for various of its siblings), and - once killed in an oops like this: kernel BUG at .../fs/hugetlbfs/inode.c:428! invalid opcode: 0000 [#1] SMP ... RIP: e030:[<ffffffff811c333b>] [<ffffffff811c333b>] remove_inode_hugepages+0x25b/0x320 ... Call Trace: [<ffffffff811c3415>] hugetlbfs_evict_inode+0x15/0x40 [<ffffffff81167b3d>] evict+0xbd/0x1b0 [<ffffffff8116514a>] __dentry_kill+0x19a/0x1f0 [<ffffffff81165b0e>] dput+0x1fe/0x220 [<ffffffff81150535>] __fput+0x155/0x200 [<ffffffff81079fc0>] task_work_run+0x60/0xa0 [<ffffffff81063510>] do_exit+0x160/0x400 [<ffffffff810637eb>] do_group_exit+0x3b/0xa0 [<ffffffff8106e8bd>] get_signal+0x1ed/0x470 [<ffffffff8100f854>] do_signal+0x14/0x110 [<ffffffff810030e9>] prepare_exit_to_usermode+0xe9/0xf0 [<ffffffff814178a5>] retint_user+0x8/0x13 This is CVE-2016-3961 / XSA-174. Reported-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Jan Beulich <jbeulich@suse.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: David Vrabel <david.vrabel@citrix.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Juergen Gross <JGross@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Luis R. Rodriguez <mcgrof@suse.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Toshi Kani <toshi.kani@hp.com> Cc: stable@vger.kernel.org Cc: xen-devel <xen-devel@lists.xenproject.org> Link: http://lkml.kernel.org/r/57188ED802000078000E431C@prv-mh.provo.novell.com Signed-off-by: Ingo Molnar <mingo@kernel.org> | 22 April 2016, 08:05:00 UTC |
78b0634 | Juergen Gross | 22 April 2016, 07:35:04 UTC | x86/doc: Correct limits in Documentation/x86/x86_64/mm.txt Correct the size of the module mapping space and the maximum available physical memory size of current processors. Signed-off-by: Juergen Gross <jgross@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: corbet@lwn.net Cc: linux-doc@vger.kernel.org Link: http://lkml.kernel.org/r/1461310504-15977-1-git-send-email-jgross@suse.com Signed-off-by: Ingo Molnar <mingo@kernel.org> | 22 April 2016, 08:03:24 UTC |
3b9d6da | Sebastian Andrzej Siewior | 08 April 2016, 12:40:15 UTC | cpu/hotplug: Fix rollback during error-out in __cpu_disable() The recent introduction of the hotplug thread which invokes the callbacks on the plugged cpu, cased the following regression: If takedown_cpu() fails, then we run into several issues: 1) The rollback of the target cpu states is not invoked. That leaves the smp threads and the hotplug thread in disabled state. 2) notify_online() is executed due to a missing skip_onerr flag. That causes that both CPU_DOWN_FAILED and CPU_ONLINE notifications are invoked which confuses quite some notifiers. 3) The CPU_DOWN_FAILED notification is not invoked on the target CPU. That's not an issue per se, but it is inconsistent and in consequence blocks the patches which rely on these states being invoked on the target CPU and not on the controlling cpu. It also does not preserve the strict call order on rollback which is problematic for the ongoing state machine conversion as well. To fix this we add a rollback flag to the remote callback machinery and invoke the rollback including the CPU_DOWN_FAILED notification on the remote cpu. Further mark the notify online state with 'skip_onerr' so we don't get a double invokation. This workaround will go away once we moved the unplug invocation to the target cpu itself. [ tglx: Massaged changelog and moved the CPU_DOWN_FAILED notifiaction to the target cpu ] Fixes: 4cb28ced23c4 ("cpu/hotplug: Create hotplug threads") Reported-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: linux-s390@vger.kernel.org Cc: rt@linutronix.de Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Anna-Maria Gleixner <anna-maria@linutronix.de> Link: http://lkml.kernel.org/r/20160408124015.GA21960@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> | 22 April 2016, 07:49:49 UTC |
16eeed7 | Daniel Lezcano | 19 April 2016, 13:43:02 UTC | clocksource/drivers/tango-xtal: Fix boot hang due to incorrect test Commit 0881841f7e78 introduced a regression by inverting a test check after calling clocksource_mmio_init(). That results on the system to hang at boot time. Fix it by inverting the test again. Fixes: 0881841f7e78 ("Replace code by clocksource_mmio_init") Reported-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> | 22 April 2016, 07:22:37 UTC |
c2bb9e3 | Steven Rostedt | 20 April 2016, 15:32:35 UTC | objtool: Fix Makefile to properly see if libelf is supported When doing a make allmodconfig, I hit the following compile error: In file included from builtin-check.c:32:0: elf.h:22:18: fatal error: gelf.h: No such file or directory compilation terminated. ... Digging into it, it appears that the $(shell ..) command in the Makefile does not give the proper result when it fails to find -lelf, and continues to compile objtool. Instead, use the "try-run" makefile macro to perform the test. This gives a proper result for both cases. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Bernd Petrovitsch <bernd@petrovitsch.priv.at> Cc: Borislav Petkov <bp@alien8.de> Cc: Chris J Arges <chris.j.arges@canonical.com> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Michal Marek <mmarek@suse.cz> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Pedro Alves <palves@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: live-patching@vger.kernel.org Fixes: 442f04c34a1a4 ("objtool: Add tool to perform compile-time stack metadata validation") Link: http://lkml.kernel.org/r/20160420153234.GA24032@home.goodmis.org Signed-off-by: Ingo Molnar <mingo@kernel.org> | 22 April 2016, 07:00:57 UTC |
18cdfe7 | Dave Airlie | 22 April 2016, 00:39:26 UTC | Merge branch 'drm-fixes-4.6' of git://people.freedesktop.org/~agd5f/linux into drm-fixes Misc radeon and amdgpu bug fixes for 4.6. * 'drm-fixes-4.6' of git://people.freedesktop.org/~agd5f/linux: amdgpu/uvd: add uvd fw version for amdgpu drm/amdgpu: forbid mapping of userptr bo through radeon device file drm/radeon: forbid mapping of userptr bo through radeon device file drm/amdgpu: bump the afmt limit for CZ, ST, Polaris drm/amdgpu: use defines for CRTCs and AMFT blocks drm/radeon: print a message if ATPX dGPU power control is missing Revert "drm/radeon: disable runtime pm on PX laptops without dGPU power control" drm/amdgpu/acp: fix resume on CZ systems with AZ audio drm/radeon: add a quirk for a XFX R9 270X drm/radeon: print pci revision as well as pci ids on driver load drm/amdgpu: when suspending, if uvd/vce was running. need to cancel delay work. drm/radeon: fix initial connector audio value | 22 April 2016, 00:39:26 UTC |
221004c | Huacai Chen | 19 April 2016, 11:19:11 UTC | drm: Loongson-3 doesn't fully support wc memory Signed-off-by: Huacai Chen <chenhc@lemote.com> Cc: stable@vger.kernel.org Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com> | 22 April 2016, 00:24:11 UTC |
005e8da | Dave Airlie | 22 April 2016, 00:09:33 UTC | Merge branch 'linux-4.6' of git://github.com/skeggsb/linux into drm-fixes transform feedback fix. * 'linux-4.6' of git://github.com/skeggsb/linux: drm/nouveau/gr/gf100: select a stream master to fixup tfb offset queries | 22 April 2016, 00:09:33 UTC |
28dca90 | Ben Skeggs | 22 April 2016, 00:05:21 UTC | drm/nouveau/gr/gf100: select a stream master to fixup tfb offset queries Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Cc: stable@vger.kernel.org | 22 April 2016, 00:08:05 UTC |
562e268 | Sonny Jiang | 18 April 2016, 20:05:04 UTC | amdgpu/uvd: add uvd fw version for amdgpu Was previously always hardcoded to 0. Signed-off-by: Sonny Jiang <sonny.jiang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org | 22 April 2016, 00:03:47 UTC |
054892e | Jérôme Glisse | 19 April 2016, 13:07:51 UTC | drm/amdgpu: forbid mapping of userptr bo through radeon device file Allowing userptr bo which are basicly a list of page from some vma (so either anonymous page or file backed page) would lead to serious corruption of kernel structures and counters (because we overwrite the page->mapping field when mapping buffer). This will already block if the buffer was populated before anyone does try to mmap it because then TTM_PAGE_FLAG_SG would be set in in the ttm_tt flags. But that flag is check before ttm_tt_populate in the ttm vm fault handler. So to be safe just add a check to verify_access() callback. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Jérôme Glisse <jglisse@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | 22 April 2016, 00:03:47 UTC |
b5dcec6 | Jérôme Glisse | 19 April 2016, 13:07:50 UTC | drm/radeon: forbid mapping of userptr bo through radeon device file Allowing userptr bo which are basicly a list of page from some vma (so either anonymous page or file backed page) would lead to serious corruption of kernel structures and counters (because we overwrite the page->mapping field when mapping buffer). This will already block if the buffer was populated before anyone does try to mmap it because then TTM_PAGE_FLAG_SG would be set in in the ttm_tt flags. But that flag is check before ttm_tt_populate in the ttm vm fault handler. So to be safe just add a check to verify_access() callback. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Jérôme Glisse <jglisse@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | 22 April 2016, 00:03:46 UTC |
83c5cda | Alex Deucher | 18 April 2016, 22:25:34 UTC | drm/amdgpu: bump the afmt limit for CZ, ST, Polaris Fixes array overflow on these chips. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org | 22 April 2016, 00:03:46 UTC |
3ea25f8 | Alex Deucher | 18 April 2016, 22:09:57 UTC | drm/amdgpu: use defines for CRTCs and AMFT blocks Prerequiste for the next patch which ups the limits. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org | 22 April 2016, 00:03:45 UTC |
deba0a2 | cpaul@redhat.com | 04 April 2016, 23:58:47 UTC | drm/dp/mst: Validate port in drm_dp_payload_send_msg() With the joys of things running concurrently, there's always a chance that the port we get passed in drm_dp_payload_send_msg() isn't actually valid anymore. Because of this, we need to make sure we validate the reference to the port before we use it otherwise we risk running into various race conditions. For instance, on the Dell MST monitor I have here for testing, hotplugging it enough times causes us to kernel panic: [drm:intel_mst_enable_dp] 1 [drm:drm_dp_update_payload_part2] payload 0 1 [drm:intel_get_hpd_pins] hotplug event received, stat 0x00200000, dig 0x10101011, pins 0x00000020 [drm:intel_hpd_irq_handler] digital hpd port B - short [drm:intel_dp_hpd_pulse] got hpd irq on port B - short [drm:intel_dp_check_mst_status] got esi 00 10 00 [drm:drm_dp_update_payload_part2] payload 1 1 general protection fault: 0000 [#1] SMP … Call Trace: [<ffffffffa012b632>] drm_dp_update_payload_part2+0xc2/0x130 [drm_kms_helper] [<ffffffffa032ef08>] intel_mst_enable_dp+0xf8/0x180 [i915] [<ffffffffa0310dbd>] haswell_crtc_enable+0x3ed/0x8c0 [i915] [<ffffffffa030c84d>] intel_atomic_commit+0x5ad/0x1590 [i915] [<ffffffffa01db877>] ? drm_atomic_set_crtc_for_connector+0x57/0xe0 [drm] [<ffffffffa01dc4e7>] drm_atomic_commit+0x37/0x60 [drm] [<ffffffffa0130a3a>] drm_atomic_helper_set_config+0x7a/0xb0 [drm_kms_helper] [<ffffffffa01cc482>] drm_mode_set_config_internal+0x62/0x100 [drm] [<ffffffffa01d02ad>] drm_mode_setcrtc+0x3cd/0x4e0 [drm] [<ffffffffa01c18e3>] drm_ioctl+0x143/0x510 [drm] [<ffffffffa01cfee0>] ? drm_mode_setplane+0x1b0/0x1b0 [drm] [<ffffffff810f79a7>] ? hrtimer_start_range_ns+0x1b7/0x3a0 [<ffffffff81212962>] do_vfs_ioctl+0x92/0x570 [<ffffffff81590852>] ? __sys_recvmsg+0x42/0x80 [<ffffffff81212eb9>] SyS_ioctl+0x79/0x90 [<ffffffff816b4e32>] entry_SYSCALL_64_fastpath+0x1a/0xa4 RIP [<ffffffffa012b026>] drm_dp_payload_send_msg+0x146/0x1f0 [drm_kms_helper] Which occurs because of the hotplug event shown in the log, which ends up causing DRM's dp helpers to drop the port we're updating the payload on and panic. CC: stable@vger.kernel.org Signed-off-by: Lyude <cpaul@redhat.com> Reviewed-by: David Airlie <airlied@linux.ie> Signed-off-by: Dave Airlie <airlied@redhat.com> | 21 April 2016, 23:53:17 UTC |
3addc4e | Dave Airlie | 21 April 2016, 23:53:07 UTC | Merge branch 'linux-4.6' of git://github.com/skeggsb/linux into drm-fixes Single nouveau regression fix * 'linux-4.6' of git://github.com/skeggsb/linux: drm/nouveau/kms: fix setting of default values for dithering properties | 21 April 2016, 23:53:07 UTC |
38bdcfc | Ben Skeggs | 21 April 2016, 23:09:41 UTC | drm/nouveau/kms: fix setting of default values for dithering properties Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 21 April 2016, 23:24:31 UTC |
762ce44 | Dave Airlie | 21 April 2016, 23:09:11 UTC | Merge tag 'drm-intel-fixes-2016-04-21' of git://anongit.freedesktop.org/drm-intel into drm-fixes Hi Dave, fixes all around, all but one are cc: stable material, the most important ones are likely the Skylake hang fixes from Mika. * tag 'drm-intel-fixes-2016-04-21' of git://anongit.freedesktop.org/drm-intel: drm/i915: Use fw_domains_put_with_fifo() on HSW drm/i915: Force ringbuffers to not be at offset 0 drm/i915: Adjust size of PIPE_CONTROL used for gen8 render seqno write drm/i915/skl: Fix spurious gpu hang with gt3/gt4 revs drm/i915/skl: Fix rc6 based gpu/system hang drm/i915/userptr: Hold mmref whilst calling get-user-pages drm/i915: Fixup the free space logic in ring_prepare drm/i915/skl+: Use plane size for relative data rate calculation | 21 April 2016, 23:09:11 UTC |
5f44abd | Linus Torvalds | 21 April 2016, 22:41:13 UTC | Merge tag 'rtc-4.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC fixes from Alexandre Belloni: "A few fixes for the RTC subsystem. The documentation fix already missed 4.5 so I think it is worth taking it now: A documentation fix for s3c and two fixes for the ds1307" * tag 'rtc-4.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: rtc: ds1307: Use irq when available for wakeup-source device rtc: ds1307: ds3231 temperature s16 overflow rtc: s3c: Document in binding that only s3c6410 needs a src clk | 21 April 2016, 22:41:13 UTC |
f78fe08 | Linus Torvalds | 21 April 2016, 21:29:34 UTC | Merge tag 'pm+acpi-4.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: "Two fixes for issues introduced recently, one for an intel_pstate driver problem uncovered by the recent switch over from using timers and the other one for a potential cpufreq core problem related to system suspend/resume. Specifics: - Fix an intel_pstate driver problem causing CPUs to get stuck in the highest P-state when completely idle uncovered by the recent switch over from using timers (Rafael Wysocki). - Avoid attempts to get the current CPU frequency when all devices (like I2C controllers that may be nedded for that purpose) have been suspended during system suspend/resume (Rafael Wysocki)" * tag 'pm+acpi-4.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: Abort cpufreq_update_current_freq() for cpufreq_suspended set intel_pstate: Avoid getting stuck in high P-states when idle | 21 April 2016, 21:29:34 UTC |
38a7a73 | Nishanth Menon | 19 April 2016, 16:23:54 UTC | rtc: ds1307: Use irq when available for wakeup-source device With commit 8bc2a40730ec ("rtc: ds1307: add support for the DT property 'wakeup-source'") we lost the ability for rtc irq functionality for devices that are actually hooked on a real IRQ line and have capability to wakeup as well. This is not an expected behavior. So, instead of just not requesting IRQ, skip the IRQ requirement only if interrupts are not defined for the device. Fixes: 8bc2a40730ec ("rtc: ds1307: add support for the DT property 'wakeup-source'") Reported-by: Tony Lindgren <tony@atomide.com> Cc: Michael Lange <linuxstuff@milaw.biz> Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> | 21 April 2016, 21:21:00 UTC |
9a3dce6 | Zhuang Yuyao | 18 April 2016, 00:21:42 UTC | rtc: ds1307: ds3231 temperature s16 overflow while retrieving temperature from ds3231, the result may be overflow since s16 is too small for a multiplication with 250. ie. if temp_buf[0] == 0x2d, the result (s16 temp) will be negative. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Tested-by: Michael Tatarinov <kukabu@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> | 21 April 2016, 21:20:59 UTC |
c5edde3 | Linus Torvalds | 21 April 2016, 19:57:34 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net Pull networking fixes from David Miller: 1) Fix memory leak in iwlwifi, from Matti Gottlieb. 2) Add missing registration of netfilter arp_tables into initial namespace, from Florian Westphal. 3) Fix potential NULL deref in DecNET routing code. 4) Restrict NETLINK_URELEASE to truly bound sockets only, from Dmitry Ivanov. 5) Fix dst ref counting in VRF, from David Ahern. 6) Fix TSO segmenting limits in i40e driver, from Alexander Duyck. 7) Fix heap leak in PACKET_DIAG_MCLIST, from Mathias Krause. 8) Ravalidate IPV6 datagram socket cached routes properly, particularly with UDP, from Martin KaFai Lau. 9) Fix endian bug in RDS dp_ack_seq handling, from Qing Huang. 10) Fix stats typing in bcmgenet driver, from Eric Dumazet. 11) Openvswitch needs to orphan SKBs before ipv6 fragmentation handing, from Joe Stringer. 12) SPI device reference leak in spi_ks8895 PHY driver, from Mark Brown. 13) atl2 doesn't actually support scatter-gather, so don't advertise the feature. From Ben Hucthings. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (72 commits) openvswitch: use flow protocol when recalculating ipv6 checksums Driver: Vmxnet3: set CHECKSUM_UNNECESSARY for IPv6 packets atl2: Disable unimplemented scatter/gather feature net/mlx4_en: Split SW RX dropped counter per RX ring net/mlx4_core: Don't allow to VF change global pause settings net/mlx4_core: Avoid repeated calls to pci enable/disable net/mlx4_core: Implement pci_resume callback net: phy: spi_ks8895: Don't leak references to SPI devices net: ethernet: davinci_emac: Fix platform_data overwrite net: ethernet: davinci_emac: Fix Unbalanced pm_runtime_enable qede: Fix single MTU sized packet from firmware GRO flow qede: Fix setting Skb network header qede: Fix various memory allocation error flows for fastpath tcp: Merge tx_flags and tskey in tcp_shifted_skb tcp: Merge tx_flags and tskey in tcp_collapse_retrans drivers: net: cpsw: fix wrong regs access in cpsw_ndo_open tcp: Fix SOF_TIMESTAMPING_TX_ACK when handling dup acks openvswitch: Orphan skbs before IPv6 defrag Revert "Prevent NUll pointer dereference with two PHYs on cpsw" VSOCK: Only check error on skb_recv_datagram when skb is NULL ... | 21 April 2016, 19:57:34 UTC |
b4f7052 | Simon Horman | 21 April 2016, 01:49:15 UTC | openvswitch: use flow protocol when recalculating ipv6 checksums When using masked actions the ipv6_proto field of an action to set IPv6 fields may be zero rather than the prevailing protocol which will result in skipping checksum recalculation. This patch resolves the problem by relying on the protocol in the flow key rather than that in the set field action. Fixes: 83d2b9ba1abc ("net: openvswitch: Support masked set actions.") Cc: Jarno Rajahalme <jrajahalme@nicira.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 19:28:47 UTC |
f0d4378 | Shrikrishna Khare | 21 April 2016, 01:12:29 UTC | Driver: Vmxnet3: set CHECKSUM_UNNECESSARY for IPv6 packets For IPv6, if the device indicates that the checksum is correct, set CHECKSUM_UNNECESSARY. Reported-by: Subbarao Narahari <snarahari@vmware.com> Signed-off-by: Shrikrishna Khare <skhare@vmware.com> Signed-off-by: Jin Heo <heoj@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 19:28:05 UTC |
f43bfae | Ben Hutchings | 20 April 2016, 22:23:08 UTC | atl2: Disable unimplemented scatter/gather feature atl2 includes NETIF_F_SG in hw_features even though it has no support for non-linear skbs. This bug was originally harmless since the driver does not claim to implement checksum offload and that used to be a requirement for SG. Now that SG and checksum offload are independent features, if you explicitly enable SG *and* use one of the rare protocols that can use SG without checkusm offload, this potentially leaks sensitive information (before you notice that it just isn't working). Therefore this obscure bug has been designated CVE-2016-2117. Reported-by: Justin Yackoski <jyackoski@crypto-nite.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Fixes: ec5f06156423 ("net: Kill link between CSUM and SG features.") Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 19:12:23 UTC |
91951f9 | Paul Burton | 21 April 2016, 10:31:54 UTC | irqchip/mips-gic: Don't overrun pcpu_masks array Commit 2a0787051182 ("irqchip/mips-gic: Use gic_vpes instead of NR_CPUS") & commit 78930f09b940 ("irqchip/mips-gic: Clear percpu_masks correctly when mapping") both introduce code which accesses gic_vpes entries in the pcpu_masks array. However, this array has length NR_CPUS. If NR_CPUS is less than gic_vpes (ie. the kernel supports use of less CPUs than are present in the system) then we overrun the array, clobber some other data & generally die pretty promptly. Most notably this affects uniprocessor kernels running on any multicore or multithreaded Malta with a GIC (ie. the vast majority of real Malta boards). Fix this by only accessing up to min(gic_vpes, NR_CPUS) entries in the pcpu_masks array, preventing the array overrun. Fixes: 2a0787051182 ("irqchip/mips-gic: Use gic_vpes instead of NR_CPUS") Fixes: 78930f09b940 ("irqchip/mips-gic: Clear percpu_masks correctly when mapping") Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Cc: Jason Cooper <jason@lakedaemon.net> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Ralf Baechle <ralf@linux-mips.org> Link: http://lkml.kernel.org/r/1461234714-9975-1-git-send-email-paul.burton@imgtec.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> | 21 April 2016, 19:04:29 UTC |
669c00c | David S. Miller | 21 April 2016, 19:02:41 UTC | Merge branch 'mlx4-fixes' Or Gerlitz says: ==================== Mellaox 40G driver fixes for 4.6-rc With the fix for ARM bug being under the works, these are few other fixes for mlx4 we have ready to go. Eran addressed the problematic/wrong reporting of dropped packets, Daniel fixed some matters related to PPC EEH's and Jenny's patch makes sure VFs can't change the port's pause settings. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 19:02:41 UTC |
d21ed3a | Eran Ben Elisha | 20 April 2016, 13:01:18 UTC | net/mlx4_en: Split SW RX dropped counter per RX ring Count SW packet drops per RX ring instead of a global counter. This will allow monitoring the number of rx drops per ring. In addition, SW rx_dropped counter was overwritten by HW rx_dropped counter, sum both of them instead to show the accurate value. Fixes: a3333b35da16 ('net/mlx4_en: Moderate ethtool callback to [...] ') Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Reported-by: Brenden Blanco <bblanco@plumgrid.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Reported-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 19:02:40 UTC |
2a50009 | Eugenia Emantayev | 20 April 2016, 13:01:17 UTC | net/mlx4_core: Don't allow to VF change global pause settings Currently changing global pause settings is done via SET_PORT command with input modifier GENERAL. This command is allowed for each VF since MTU setting is done via the same command. Change the above to the following scheme: before passing the request to the FW, the PF will check whether it was issued by a slave. If yes, don't change global pause and warn, otherwise change to the requested value and store for further reference. Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 19:02:40 UTC |
4bfd2e6 | Daniel Jurgens | 20 April 2016, 13:01:16 UTC | net/mlx4_core: Avoid repeated calls to pci enable/disable Maintain the PCI status and provide wrappers for enabling and disabling the PCI device. Performing the actions more than once without doing its opposite results in warning logs. This occurred when EEH hotplugged the device causing a warning for disabling an already disabled device. Fixes: 2ba5fbd62b25 ('net/mlx4_core: Handle AER flow properly') Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 19:02:40 UTC |
c12833a | Daniel Jurgens | 20 April 2016, 13:01:15 UTC | net/mlx4_core: Implement pci_resume callback Move resume related activities to a new pci_resume function instead of performing them in mlx4_pci_slot_reset. This change is needed to avoid a hotplug during EEH recovery due to commit f2da4ccf8bd4 ("powerpc/eeh: More relaxed hotplug criterion"). Fixes: 2ba5fbd62b25 ('net/mlx4_core: Handle AER flow properly') Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 19:02:39 UTC |
a1459c1 | Mark Brown | 20 April 2016, 11:54:05 UTC | net: phy: spi_ks8895: Don't leak references to SPI devices The ks8895 driver is using spi_dev_get() apparently just to take a copy of the SPI device used to instantiate it but never calls spi_dev_put() to free it. Since the device is guaranteed to exist between probe() and remove() there should be no need for the driver to take an extra reference to it so fix the leak by just using a straight assignment. Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 19:00:27 UTC |
210990b | Neil Armstrong | 20 April 2016, 08:56:45 UTC | net: ethernet: davinci_emac: Fix platform_data overwrite When the DaVinci emac driver is removed and re-probed, the actual pdev->dev.platform_data is populated with an unwanted valid pointer saved by the previous davinci_emac_of_get_pdata() call, causing a kernel crash when calling priv->int_disable() in emac_int_disable(). Unable to handle kernel paging request at virtual address c8622a80 ... [<c0426fb4>] (emac_int_disable) from [<c0427700>] (emac_dev_open+0x290/0x5f8) [<c0427700>] (emac_dev_open) from [<c04c00ec>] (__dev_open+0xb8/0x120) [<c04c00ec>] (__dev_open) from [<c04c0370>] (__dev_change_flags+0x88/0x14c) [<c04c0370>] (__dev_change_flags) from [<c04c044c>] (dev_change_flags+0x18/0x48) [<c04c044c>] (dev_change_flags) from [<c052bafc>] (devinet_ioctl+0x6b4/0x7ac) [<c052bafc>] (devinet_ioctl) from [<c04a1428>] (sock_ioctl+0x1d8/0x2c0) [<c04a1428>] (sock_ioctl) from [<c014f054>] (do_vfs_ioctl+0x41c/0x600) [<c014f054>] (do_vfs_ioctl) from [<c014f2a4>] (SyS_ioctl+0x6c/0x7c) [<c014f2a4>] (SyS_ioctl) from [<c000ff60>] (ret_fast_syscall+0x0/0x1c) Fixes: 42f59967a091 ("net: ethernet: davinci_emac: add OF support") Cc: Brian Hutchinson <b.hutchman@gmail.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 18:57:47 UTC |
99164f9 | Neil Armstrong | 20 April 2016, 08:56:13 UTC | net: ethernet: davinci_emac: Fix Unbalanced pm_runtime_enable In order to avoid an Unbalanced pm_runtime_enable in the DaVinci emac driver when the device is removed and re-probed, and a pm_runtime_disable() call in davinci_emac_remove(). Actually, using unbind/bind on a TI DM8168 SoC gives : $ echo 4a120000.ethernet > /sys/bus/platform/drivers/davinci_emac/unbind net eth1: DaVinci EMAC: davinci_emac_remove() $ echo 4a120000.ethernet > /sys/bus/platform/drivers/davinci_emac/bind davinci_emac 4a120000.ethernet: Unbalanced pm_runtime_enable Cc: Brian Hutchinson <b.hutchman@gmail.com> Fixes: 3ba97381343b ("net: ethernet: davinci_emac: add pm_runtime support") Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 18:57:47 UTC |
395da12 | Rafael J. Wysocki | 21 April 2016, 18:57:46 UTC | Merge branch 'pm-cpufreq-fixes' * pm-cpufreq-fixes: cpufreq: Abort cpufreq_update_current_freq() for cpufreq_suspended set intel_pstate: Avoid getting stuck in high P-states when idle | 21 April 2016, 18:57:46 UTC |
3ad9779 | David S. Miller | 21 April 2016, 18:51:29 UTC | Merge branch 'qed-fixes' Manish Chopra says: ==================== qede: Bug fixes This series fixes - * various memory allocation failure flows for fastpath * issues with respect to driver GRO packets handling V1->V2 * Send series against net instead of net-next. Please consider applying this series to "net" ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 18:51:29 UTC |
ee2fa8e | Manish Chopra | 20 April 2016, 07:03:29 UTC | qede: Fix single MTU sized packet from firmware GRO flow In firmware assisted GRO flow there could be a single MTU sized segment arriving due to firmware aggregation timeout/last segment in an aggregation flow, which is not expected to be an actual gro packet. So If a skb has zero frags from the GRO flow then simply push it in the stack as non gso skb. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Yuval Mintz <yuval.mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 18:51:29 UTC |
aad94c0 | Manish Chopra | 20 April 2016, 07:03:28 UTC | qede: Fix setting Skb network header Skb's network header needs to be set before extracting IPv4/IPv6 headers from it. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Yuval Mintz <yuval.mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 18:51:28 UTC |
f86af2d | Manish Chopra | 20 April 2016, 07:03:27 UTC | qede: Fix various memory allocation error flows for fastpath This patch handles memory allocation failures for fastpath gracefully in the driver. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Yuval Mintz <yuval.mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 18:51:28 UTC |
5bec11c | David S. Miller | 21 April 2016, 18:40:56 UTC | Merge branch 'tcp-coalesce-merge-timestamps' Martin KaFai Lau says: ==================== tcp: Merge timestamp info when coalescing skbs This series is separated from the RFC series related to tcp_sendmsg(MSG_EOR) and it is targeting for the net branch. This patchset is focusing on fixing cases where TCP timestamp could be lost after coalescing skbs. A BPF prog is used to kprobe to sock_queue_err_skb() and print out the value of serr->ee.ee_data. The BPF prog (run-able from bcc) is attached here: BPF prog used for testing: ~~~~~ from __future__ import print_function from bcc import BPF bpf_text = """ int trace_err_skb(struct pt_regs *ctx) { struct sk_buff *skb = (struct sk_buff *)ctx->si; struct sock *sk = (struct sock *)ctx->di; struct sock_exterr_skb *serr; u32 ee_data = 0; if (!sk || !skb) return 0; serr = SKB_EXT_ERR(skb); bpf_probe_read(&ee_data, sizeof(ee_data), &serr->ee.ee_data); bpf_trace_printk("ee_data:%u\\n", ee_data); return 0; }; """ b = BPF(text=bpf_text) b.attach_kprobe(event="sock_queue_err_skb", fn_name="trace_err_skb") print("Attached to kprobe") b.trace_print() ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 18:40:56 UTC |
cfea5a6 | Martin KaFai Lau | 20 April 2016, 05:39:29 UTC | tcp: Merge tx_flags and tskey in tcp_shifted_skb After receiving sacks, tcp_shifted_skb() will collapse skbs if possible. tx_flags and tskey also have to be merged. This patch reuses the tcp_skb_collapse_tstamp() to handle them. BPF Output Before: ~~~~~ <no-output-due-to-missing-tstamp-event> BPF Output After: ~~~~~ <...>-2024 [007] d.s. 88.644374: : ee_data:14599 Packetdrill Script: ~~~~~ +0 `sysctl -q -w net.ipv4.tcp_min_tso_segs=10` +0 `sysctl -q -w net.ipv4.tcp_no_metrics_save=1` +0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 +0 bind(3, ..., ...) = 0 +0 listen(3, 1) = 0 0.100 < S 0:0(0) win 32792 <mss 1460,sackOK,nop,nop,nop,wscale 7> 0.100 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 7> 0.200 < . 1:1(0) ack 1 win 257 0.200 accept(3, ..., ...) = 4 +0 setsockopt(4, SOL_TCP, TCP_NODELAY, [1], 4) = 0 0.200 write(4, ..., 1460) = 1460 +0 setsockopt(4, SOL_SOCKET, 37, [2688], 4) = 0 0.200 write(4, ..., 13140) = 13140 0.200 > P. 1:1461(1460) ack 1 0.200 > . 1461:8761(7300) ack 1 0.200 > P. 8761:14601(5840) ack 1 0.300 < . 1:1(0) ack 1 win 257 <sack 1461:14601,nop,nop> 0.300 > P. 1:1461(1460) ack 1 0.400 < . 1:1(0) ack 14601 win 257 0.400 close(4) = 0 0.400 > F. 14601:14601(0) ack 1 0.500 < F. 1:1(0) ack 14602 win 257 0.500 > . 14602:14602(0) ack 2 Signed-off-by: Martin KaFai Lau <kafai@fb.com> Cc: Eric Dumazet <edumazet@google.com> Cc: Neal Cardwell <ncardwell@google.com> Cc: Soheil Hassas Yeganeh <soheil@google.com> Cc: Willem de Bruijn <willemb@google.com> Cc: Yuchung Cheng <ycheng@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Tested-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 18:40:55 UTC |
082ac2d | Martin KaFai Lau | 20 April 2016, 05:39:28 UTC | tcp: Merge tx_flags and tskey in tcp_collapse_retrans If two skbs are merged/collapsed during retransmission, the current logic does not merge the tx_flags and tskey. The end result is the SCM_TSTAMP_ACK timestamp could be missing for a packet. The patch: 1. Merge the tx_flags 2. Overwrite the prev_skb's tskey with the next_skb's tskey BPF Output Before: ~~~~~~ <no-output-due-to-missing-tstamp-event> BPF Output After: ~~~~~~ packetdrill-2092 [001] d.s. 453.998486: : ee_data:1459 Packetdrill Script: ~~~~~~ +0 `sysctl -q -w net.ipv4.tcp_min_tso_segs=10` +0 `sysctl -q -w net.ipv4.tcp_no_metrics_save=1` +0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 +0 bind(3, ..., ...) = 0 +0 listen(3, 1) = 0 0.100 < S 0:0(0) win 32792 <mss 1460,sackOK,nop,nop,nop,wscale 7> 0.100 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 7> 0.200 < . 1:1(0) ack 1 win 257 0.200 accept(3, ..., ...) = 4 +0 setsockopt(4, SOL_TCP, TCP_NODELAY, [1], 4) = 0 0.200 write(4, ..., 730) = 730 +0 setsockopt(4, SOL_SOCKET, 37, [2688], 4) = 0 0.200 write(4, ..., 730) = 730 +0 setsockopt(4, SOL_SOCKET, 37, [2176], 4) = 0 0.200 write(4, ..., 11680) = 11680 +0 setsockopt(4, SOL_SOCKET, 37, [2688], 4) = 0 0.200 > P. 1:731(730) ack 1 0.200 > P. 731:1461(730) ack 1 0.200 > . 1461:8761(7300) ack 1 0.200 > P. 8761:13141(4380) ack 1 0.300 < . 1:1(0) ack 1 win 257 <sack 1461:2921,nop,nop> 0.300 < . 1:1(0) ack 1 win 257 <sack 1461:4381,nop,nop> 0.300 < . 1:1(0) ack 1 win 257 <sack 1461:5841,nop,nop> 0.300 > P. 1:1461(1460) ack 1 0.400 < . 1:1(0) ack 13141 win 257 0.400 close(4) = 0 0.400 > F. 13141:13141(0) ack 1 0.500 < F. 1:1(0) ack 13142 win 257 0.500 > . 13142:13142(0) ack 2 Signed-off-by: Martin KaFai Lau <kafai@fb.com> Cc: Eric Dumazet <edumazet@google.com> Cc: Neal Cardwell <ncardwell@google.com> Cc: Soheil Hassas Yeganeh <soheil@google.com> Cc: Willem de Bruijn <willemb@google.com> Cc: Yuchung Cheng <ycheng@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Tested-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 18:40:55 UTC |
3fa88c5 | Grygorii Strashko | 19 April 2016, 18:09:49 UTC | drivers: net: cpsw: fix wrong regs access in cpsw_ndo_open The cpsw_ndo_open() could try to access CPSW registers before calling pm_runtime_get_sync(). This will trigger L3 error: WARNING: CPU: 0 PID: 21 at drivers/bus/omap_l3_noc.c:147 l3_interrupt_handler+0x220/0x34c() 44000000.ocp:L3 Custom Error: MASTER M2 (64-bit) TARGET L4_FAST (Idle): Data Access in Supervisor mode during Functional access and CPSW will stop functioning. Hence, fix it by moving pm_runtime_get_sync() before the first access to CPSW registers in cpsw_ndo_open(). Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 18:30:39 UTC |
479f85c | Martin KaFai Lau | 18 April 2016, 22:39:53 UTC | tcp: Fix SOF_TIMESTAMPING_TX_ACK when handling dup acks Assuming SOF_TIMESTAMPING_TX_ACK is on. When dup acks are received, it could incorrectly think that a skb has already been acked and queue a SCM_TSTAMP_ACK cmsg to the sk->sk_error_queue. In tcp_ack_tstamp(), it checks 'between(shinfo->tskey, prior_snd_una, tcp_sk(sk)->snd_una - 1)'. If prior_snd_una == tcp_sk(sk)->snd_una like the following packetdrill script, between() returns true but the tskey is actually not acked. e.g. try between(3, 2, 1). The fix is to replace between() with one before() and one !before(). By doing this, the -1 offset on the tcp_sk(sk)->snd_una can also be removed. A packetdrill script is used to reproduce the dup ack scenario. Due to the lacking cmsg support in packetdrill (may be I cannot find it), a BPF prog is used to kprobe to sock_queue_err_skb() and print out the value of serr->ee.ee_data. Both the packetdrill and the bcc BPF script is attached at the end of this commit message. BPF Output Before Fix: ~~~~~~ <...>-2056 [001] d.s. 433.927987: : ee_data:1459 #incorrect packetdrill-2056 [001] d.s. 433.929563: : ee_data:1459 #incorrect packetdrill-2056 [001] d.s. 433.930765: : ee_data:1459 #incorrect packetdrill-2056 [001] d.s. 434.028177: : ee_data:1459 packetdrill-2056 [001] d.s. 434.029686: : ee_data:14599 BPF Output After Fix: ~~~~~~ <...>-2049 [000] d.s. 113.517039: : ee_data:1459 <...>-2049 [000] d.s. 113.517253: : ee_data:14599 BCC BPF Script: ~~~~~~ #!/usr/bin/env python from __future__ import print_function from bcc import BPF bpf_text = """ #include <uapi/linux/ptrace.h> #include <net/sock.h> #include <bcc/proto.h> #include <linux/errqueue.h> #ifdef memset #undef memset #endif int trace_err_skb(struct pt_regs *ctx) { struct sk_buff *skb = (struct sk_buff *)ctx->si; struct sock *sk = (struct sock *)ctx->di; struct sock_exterr_skb *serr; u32 ee_data = 0; if (!sk || !skb) return 0; serr = SKB_EXT_ERR(skb); bpf_probe_read(&ee_data, sizeof(ee_data), &serr->ee.ee_data); bpf_trace_printk("ee_data:%u\\n", ee_data); return 0; }; """ b = BPF(text=bpf_text) b.attach_kprobe(event="sock_queue_err_skb", fn_name="trace_err_skb") print("Attached to kprobe") b.trace_print() Packetdrill Script: ~~~~~~ +0 `sysctl -q -w net.ipv4.tcp_min_tso_segs=10` +0 `sysctl -q -w net.ipv4.tcp_no_metrics_save=1` +0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 +0 bind(3, ..., ...) = 0 +0 listen(3, 1) = 0 0.100 < S 0:0(0) win 32792 <mss 1460,sackOK,nop,nop,nop,wscale 7> 0.100 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 7> 0.200 < . 1:1(0) ack 1 win 257 0.200 accept(3, ..., ...) = 4 +0 setsockopt(4, SOL_TCP, TCP_NODELAY, [1], 4) = 0 +0 setsockopt(4, SOL_SOCKET, 37, [2688], 4) = 0 0.200 write(4, ..., 1460) = 1460 0.200 write(4, ..., 13140) = 13140 0.200 > P. 1:1461(1460) ack 1 0.200 > . 1461:8761(7300) ack 1 0.200 > P. 8761:14601(5840) ack 1 0.300 < . 1:1(0) ack 1 win 257 <sack 1461:2921,nop,nop> 0.300 < . 1:1(0) ack 1 win 257 <sack 1461:4381,nop,nop> 0.300 < . 1:1(0) ack 1 win 257 <sack 1461:5841,nop,nop> 0.300 > P. 1:1461(1460) ack 1 0.400 < . 1:1(0) ack 14601 win 257 0.400 close(4) = 0 0.400 > F. 14601:14601(0) ack 1 0.500 < F. 1:1(0) ack 14602 win 257 0.500 > . 14602:14602(0) ack 2 Signed-off-by: Martin KaFai Lau <kafai@fb.com> Cc: Eric Dumazet <edumazet@google.com> Cc: Neal Cardwell <ncardwell@google.com> Cc: Soheil Hassas Yeganeh <soheil.kdev@gmail.com> Cc: Willem de Bruijn <willemb@google.com> Cc: Yuchung Cheng <ycheng@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Tested-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 17:45:43 UTC |
49e261a | Joe Stringer | 18 April 2016, 21:51:47 UTC | openvswitch: Orphan skbs before IPv6 defrag This is the IPv6 counterpart to commit 8282f27449bf ("inet: frag: Always orphan skbs inside ip_defrag()"). Prior to commit 029f7f3b8701 ("netfilter: ipv6: nf_defrag: avoid/free clone operations"), ipv6 fragments sent to nf_ct_frag6_gather() would be cloned (implicitly orphaning) prior to queueing for reassembly. As such, when the IPv6 message is eventually reassembled, the skb->sk for all fragments would be NULL. After that commit was introduced, rather than cloning, the original skbs were queued directly without orphaning. The end result is that all frags except for the first and last may have a socket attached. This commit explicitly orphans such skbs during nf_ct_frag6_gather() to prevent BUG_ON(skb->sk) during a later call to ip6_fragment(). kernel BUG at net/ipv6/ip6_output.c:631! [...] Call Trace: <IRQ> [<ffffffff810be8f7>] ? __lock_acquire+0x927/0x20a0 [<ffffffffa042c7c0>] ? do_output.isra.28+0x1b0/0x1b0 [openvswitch] [<ffffffff810bb8a2>] ? __lock_is_held+0x52/0x70 [<ffffffffa042c587>] ovs_fragment+0x1f7/0x280 [openvswitch] [<ffffffff810bdab5>] ? mark_held_locks+0x75/0xa0 [<ffffffff817be416>] ? _raw_spin_unlock_irqrestore+0x36/0x50 [<ffffffff81697ea0>] ? dst_discard_out+0x20/0x20 [<ffffffff81697e80>] ? dst_ifdown+0x80/0x80 [<ffffffffa042c703>] do_output.isra.28+0xf3/0x1b0 [openvswitch] [<ffffffffa042d279>] do_execute_actions+0x709/0x12c0 [openvswitch] [<ffffffffa04340a4>] ? ovs_flow_stats_update+0x74/0x1e0 [openvswitch] [<ffffffffa04340d1>] ? ovs_flow_stats_update+0xa1/0x1e0 [openvswitch] [<ffffffff817be387>] ? _raw_spin_unlock+0x27/0x40 [<ffffffffa042de75>] ovs_execute_actions+0x45/0x120 [openvswitch] [<ffffffffa0432d65>] ovs_dp_process_packet+0x85/0x150 [openvswitch] [<ffffffff817be387>] ? _raw_spin_unlock+0x27/0x40 [<ffffffffa042def4>] ovs_execute_actions+0xc4/0x120 [openvswitch] [<ffffffffa0432d65>] ovs_dp_process_packet+0x85/0x150 [openvswitch] [<ffffffffa04337f2>] ? key_extract+0x442/0xc10 [openvswitch] [<ffffffffa043b26d>] ovs_vport_receive+0x5d/0xb0 [openvswitch] [<ffffffff810be8f7>] ? __lock_acquire+0x927/0x20a0 [<ffffffff810be8f7>] ? __lock_acquire+0x927/0x20a0 [<ffffffff810be8f7>] ? __lock_acquire+0x927/0x20a0 [<ffffffff817be416>] ? _raw_spin_unlock_irqrestore+0x36/0x50 [<ffffffffa043c11d>] internal_dev_xmit+0x6d/0x150 [openvswitch] [<ffffffffa043c0b5>] ? internal_dev_xmit+0x5/0x150 [openvswitch] [<ffffffff8168fb5f>] dev_hard_start_xmit+0x2df/0x660 [<ffffffff8168f5ea>] ? validate_xmit_skb.isra.105.part.106+0x1a/0x2b0 [<ffffffff81690925>] __dev_queue_xmit+0x8f5/0x950 [<ffffffff81690080>] ? __dev_queue_xmit+0x50/0x950 [<ffffffff810bdab5>] ? mark_held_locks+0x75/0xa0 [<ffffffff81690990>] dev_queue_xmit+0x10/0x20 [<ffffffff8169a418>] neigh_resolve_output+0x178/0x220 [<ffffffff81752759>] ? ip6_finish_output2+0x219/0x7b0 [<ffffffff81752759>] ip6_finish_output2+0x219/0x7b0 [<ffffffff817525a5>] ? ip6_finish_output2+0x65/0x7b0 [<ffffffff816cde2b>] ? ip_idents_reserve+0x6b/0x80 [<ffffffff8175488f>] ? ip6_fragment+0x93f/0xc50 [<ffffffff81754af1>] ip6_fragment+0xba1/0xc50 [<ffffffff81752540>] ? ip6_flush_pending_frames+0x40/0x40 [<ffffffff81754c6b>] ip6_finish_output+0xcb/0x1d0 [<ffffffff81754dcf>] ip6_output+0x5f/0x1a0 [<ffffffff81754ba0>] ? ip6_fragment+0xc50/0xc50 [<ffffffff81797fbd>] ip6_local_out+0x3d/0x80 [<ffffffff817554df>] ip6_send_skb+0x2f/0xc0 [<ffffffff817555bd>] ip6_push_pending_frames+0x4d/0x50 [<ffffffff817796cc>] icmpv6_push_pending_frames+0xac/0xe0 [<ffffffff8177a4be>] icmpv6_echo_reply+0x42e/0x500 [<ffffffff8177acbf>] icmpv6_rcv+0x4cf/0x580 [<ffffffff81755ac7>] ip6_input_finish+0x1a7/0x690 [<ffffffff81755925>] ? ip6_input_finish+0x5/0x690 [<ffffffff817567a0>] ip6_input+0x30/0xa0 [<ffffffff81755920>] ? ip6_rcv_finish+0x1a0/0x1a0 [<ffffffff817557ce>] ip6_rcv_finish+0x4e/0x1a0 [<ffffffff8175640f>] ipv6_rcv+0x45f/0x7c0 [<ffffffff81755fe6>] ? ipv6_rcv+0x36/0x7c0 [<ffffffff81755780>] ? ip6_make_skb+0x1c0/0x1c0 [<ffffffff8168b649>] __netif_receive_skb_core+0x229/0xb80 [<ffffffff810bdab5>] ? mark_held_locks+0x75/0xa0 [<ffffffff8168c07f>] ? process_backlog+0x6f/0x230 [<ffffffff8168bfb6>] __netif_receive_skb+0x16/0x70 [<ffffffff8168c088>] process_backlog+0x78/0x230 [<ffffffff8168c0ed>] ? process_backlog+0xdd/0x230 [<ffffffff8168db43>] net_rx_action+0x203/0x480 [<ffffffff810bdab5>] ? mark_held_locks+0x75/0xa0 [<ffffffff817c156e>] __do_softirq+0xde/0x49f [<ffffffff81752768>] ? ip6_finish_output2+0x228/0x7b0 [<ffffffff817c070c>] do_softirq_own_stack+0x1c/0x30 <EOI> [<ffffffff8106f88b>] do_softirq.part.18+0x3b/0x40 [<ffffffff8106f946>] __local_bh_enable_ip+0xb6/0xc0 [<ffffffff81752791>] ip6_finish_output2+0x251/0x7b0 [<ffffffff81754af1>] ? ip6_fragment+0xba1/0xc50 [<ffffffff816cde2b>] ? ip_idents_reserve+0x6b/0x80 [<ffffffff8175488f>] ? ip6_fragment+0x93f/0xc50 [<ffffffff81754af1>] ip6_fragment+0xba1/0xc50 [<ffffffff81752540>] ? ip6_flush_pending_frames+0x40/0x40 [<ffffffff81754c6b>] ip6_finish_output+0xcb/0x1d0 [<ffffffff81754dcf>] ip6_output+0x5f/0x1a0 [<ffffffff81754ba0>] ? ip6_fragment+0xc50/0xc50 [<ffffffff81797fbd>] ip6_local_out+0x3d/0x80 [<ffffffff817554df>] ip6_send_skb+0x2f/0xc0 [<ffffffff817555bd>] ip6_push_pending_frames+0x4d/0x50 [<ffffffff81778558>] rawv6_sendmsg+0xa28/0xe30 [<ffffffff81719097>] ? inet_sendmsg+0xc7/0x1d0 [<ffffffff817190d6>] inet_sendmsg+0x106/0x1d0 [<ffffffff81718fd5>] ? inet_sendmsg+0x5/0x1d0 [<ffffffff8166d078>] sock_sendmsg+0x38/0x50 [<ffffffff8166d4d6>] SYSC_sendto+0xf6/0x170 [<ffffffff8100201b>] ? trace_hardirqs_on_thunk+0x1b/0x1d [<ffffffff8166e38e>] SyS_sendto+0xe/0x10 [<ffffffff817bebe5>] entry_SYSCALL_64_fastpath+0x18/0xa8 Code: 06 48 83 3f 00 75 26 48 8b 87 d8 00 00 00 2b 87 d0 00 00 00 48 39 d0 72 14 8b 87 e4 00 00 00 83 f8 01 75 09 48 83 7f 18 00 74 9a <0f> 0b 41 8b 86 cc 00 00 00 49 8# RIP [<ffffffff8175468a>] ip6_fragment+0x73a/0xc50 RSP <ffff880072803120> Fixes: 029f7f3b8701 ("netfilter: ipv6: nf_defrag: avoid/free clone operations") Reported-by: Daniele Di Proietto <diproiettod@vmware.com> Signed-off-by: Joe Stringer <joe@ovn.org> Signed-off-by: David S. Miller <davem@davemloft.net> | 21 April 2016, 17:42:05 UTC |
882416c | Dave Martin | 18 April 2016, 17:57:26 UTC | arm64: Fix EL1/EL2 early init inconsistencies with VHE When using the Virtualisation Host Extensions, EL1 is not used in the host and requires no separate configuration. In addition, with VHE enabled, non-hyp-specific EL2 configuration that does not need to be done early will be done anyway in __cpu_setup via the _EL1 system register aliases. In particular, the layout and definition of CPTR_EL2 are changed by enabling VHE so that they resemble CPACR_EL1, so existing code to initialise CPTR_EL2 becomes architecturally wrong in this case. This patch simply skips the affected initialisation code in the non-VHE case. Signed-off-by: Dave Martin <Dave.Martin@arm.com> Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> | 21 April 2016, 17:34:23 UTC |
3194ed4 | Takashi Iwai | 21 April 2016, 15:49:11 UTC | ALSA: hda - Fix possible race on regmap bypass flip HD-audio driver uses regmap cache bypass feature for reading a raw value without the cache. But this is racy since both the cached and the uncached reads may occur concurrently. The former is done via the normal control API access while the latter comes from the proc file read. Even though the regmap itself has the protection against the concurrent accesses, the flag set/reset is done without the protection, so it may lead to inconsistent state of bypass flag that doesn't match with the current read and occasionally result in a kernel WARNING like: WARNING: CPU: 3 PID: 2731 at drivers/base/regmap/regcache.c:499 regcache_cache_only+0x78/0x93 One way to work around such a problem is to wrap with a mutex. But in this case, the solution is simpler: for the uncached read, we just skip the regmap and directly calls its accessor. The verb execution there is protected by itself, so basically it's safe to call individually. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=116171 Signed-off-by: Takashi Iwai <tiwai@suse.de> | 21 April 2016, 15:59:17 UTC |
f862d66 | Linus Torvalds | 21 April 2016, 15:45:02 UTC | Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm Pull ARM fixes from Russell King: "Three further fixes for ARM. Alexandre Courbot was having problems with DMA allocations with the GFP flags affecting where the tracking data was being allocated from. Vladimir Murzin noticed that the CPU feature code was not entirely correct, which can cause some features to be misreported" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: 8564/1: fix cpu feature extracting helper ARM: 8563/1: fix demoting HWCAP_SWP ARM: 8551/2: DMA: Fix kzalloc flags in __dma_alloc | 21 April 2016, 15:45:02 UTC |
67f3754 | Takashi Iwai | 21 April 2016, 15:37:54 UTC | ALSA: pcxhr: Fix missing mutex unlock The commit [9bef72bdb26e: ALSA: pcxhr: Use nonatomic PCM ops] converted to non-atomic PCM ops, but shamelessly with an unbalanced mutex locking, which leads to the hangup easily. Fix it. Fixes: 9bef72bdb26e ('ALSA: pcxhr: Use nonatomic PCM ops') Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=116441 Cc: <stable@vger.kernel.org> # 3.18+ Signed-off-by: Takashi Iwai <tiwai@suse.de> | 21 April 2016, 15:37:54 UTC |
90e6a68 | Linus Torvalds | 21 April 2016, 15:27:48 UTC | Merge tag 'fbdev-fixes-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux Pull fbdev fixes from Tomi Valkeinen: - ARM CLCD: fix regression on multiplatform kernels - panel-sharp-ls037v7dw01: fix possible NULL deref * tag 'fbdev-fixes-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: omapfb: panel-sharp-ls037v7dw01: fix check of gpio_to_desc() return value video: ARM CLCD: runtime check for Versatile | 21 April 2016, 15:27:48 UTC |
b9358b2 | Linus Torvalds | 21 April 2016, 15:23:59 UTC | Merge tag 'platform-drivers-x86-v4.6-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86 Pull x86 platform driver fixes from Darren Hart: "An S4 fix for intel-hid, new platform 'quirk' for hp_accel, a fix for broader support of ACPI resources for the Intel P-unit, and a few uninitialized variable fixes. intel p-unit: - decouple telemetry driver from the optional IPC resources thinkpad_acpi: - Silence an uninitialized variable warning intel_telemetry_pltdrv: - Silence an uninitialized variable warning hp_accel: - Silence an uninitialized variable warning - Add support for HP ProBook 440 G3 intel-hid: - add a workaround to ignore an event after waking up from S4" * tag 'platform-drivers-x86-v4.6-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: platform:x86 decouple telemetry driver from the optional IPC resources thinkpad_acpi: Silence an uninitialized variable warning intel_telemetry_pltdrv: Silence an uninitialized variable warning hp_accel: Silence an uninitialized variable warning hp_accel: Add support for HP ProBook 440 G3 intel-hid: add a workaround to ignore an event after waking up from S4. | 21 April 2016, 15:23:59 UTC |
9800699 | Robin Murphy | 20 April 2016, 13:53:33 UTC | iommu/arm-smmu: Don't allocate resources for bypass domains Until we get fully plumbed into of_iommu_configure, our default IOMMU_DOMAIN_DMA domains just bypass translation. Since we achieve that by leaving the stream table entries set to bypass instead of pointing at a translation context, the context bank we allocate for the domain is completely wasted. Context banks are typically a rather limited resource, so don't hog ones we don't need. Reported-by: Eric Auger <eric.auger@linaro.org> Tested-by: Eric Auger <eric.auger@linaro.org> Signed-off-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Joerg Roedel <jroedel@suse.de> | 21 April 2016, 14:47:32 UTC |
5f63495 | Will Deacon | 20 April 2016, 13:53:32 UTC | iommu/arm-smmu: Fix stream-match conflict with IOMMU_DOMAIN_DMA Commit cbf8277ef456 ("iommu/arm-smmu: Treat IOMMU_DOMAIN_DMA as bypass for now") ignores requests to attach a device to the default domain since, without IOMMU-basked DMA ops available everywhere, the default domain will just lead to unexpected transaction faults being reported. Unfortunately, the way this was implemented on SMMUv2 causes a regression with VFIO PCI device passthrough under KVM on AMD Seattle. On this system, the host controller device is associated with both a pci_dev *and* a platform_device, and can therefore end up with duplicate SMR entries, resulting in a stream-match conflict at runtime. This patch amends the original fix so that attaching to IOMMU_DOMAIN_DMA is rejected even before configuring the SMRs. This restores the old behaviour for now, but we'll need to look at handing host controllers specially when we come to supporting the default domain fully. Reported-by: Eric Auger <eric.auger@linaro.org> Tested-by: Eric Auger <eric.auger@linaro.org> Tested-by: Yang Shi <yang.shi@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Joerg Roedel <jroedel@suse.de> | 21 April 2016, 14:47:32 UTC |
cbcc72e | Lorenzo Pieralisi | 21 April 2016, 09:24:34 UTC | drivers/perf: arm-pmu: fix RCU usage on pmu resume from low-power Commit da4e4f18afe0 ("drivers/perf: arm_pmu: implement CPU_PM notifier") added code in the arm perf infrastructure that allows the kernel to save/restore perf counters whenever the CPU enters a low-power state. The kernel saves/restores the counters for each active event through the armpmu_{stop/start} ARM pmu API, so that the low-power state enter/exit cycle is emulated through pmu start/stop operations for each event in use. However, calling armpmu_start() for each active event on power up executes code that requires RCU locking (perf_event_update_userpage()) to be functional, so, given that the core may call the CPU_PM notifiers while running the idle thread in an quiescent RCU state this is not allowed as detected through the following splat when kernel is run with CONFIG_PROVE_LOCKING enabled: [ 49.293286] [ 49.294761] =============================== [ 49.298895] [ INFO: suspicious RCU usage. ] [ 49.303031] 4.6.0-rc3+ #421 Not tainted [ 49.306821] ------------------------------- [ 49.310956] include/linux/rcupdate.h:872 rcu_read_lock() used illegally while idle! [ 49.318530] [ 49.318530] other info that might help us debug this: [ 49.318530] [ 49.326451] [ 49.326451] RCU used illegally from idle CPU! [ 49.326451] rcu_scheduler_active = 1, debug_locks = 0 [ 49.337209] RCU used illegally from extended quiescent state! [ 49.342892] 2 locks held by swapper/2/0: [ 49.346768] #0: (cpu_pm_notifier_lock){......}, at: [<ffffff8008163c28>] cpu_pm_exit+0x18/0x80 [ 49.355492] #1: (rcu_read_lock){......}, at: [<ffffff800816dc38>] perf_event_update_userpage+0x0/0x260 This patch wraps the armpmu_start() call (that indirectly calls perf_event_update_userpage()) on CPU_PM notifier power state exit (or failed entry) within the RCU_NONIDLE() macro so that the RCU subsystem is made aware the calling cpu is not idle from an RCU perspective for the armpmu_start() call duration, therefore fixing the issue. Fixes: da4e4f18afe0 ("drivers/perf: arm_pmu: implement CPU_PM notifier") Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reported-by: James Morse <james.morse@arm.com> Suggested-by: Kevin Hilman <khilman@baylibre.com> Cc: Ashwin Chaugule <ashwin.chaugule@linaro.org> Cc: Kevin Hilman <khilman@baylibre.com> Cc: Sudeep Holla <sudeep.holla@arm.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Acked-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> | 21 April 2016, 14:03:06 UTC |
4589f45 | Matt Redfearn | 21 April 2016, 09:08:32 UTC | genirq: Dont allow affinity mask to be updated on IPIs The IPI domain re-purposes the IRQ affinity to signify the mask of CPUs that this IPI will deliver to. This must not be modified before the IPI is destroyed again, so set the IRQ_NO_BALANCING flag to prevent the affinity being overwritten by setup_affinity(). Without this, if an IPI is reserved for a single target CPU, then allocated using __setup_irq(), the affinity is overwritten with cpu_online_mask. When ipi_destroy() is subsequently called on a multi-cpu system, it will attempt to free cpumask_weight() IRQs that were never allocated, and crash. Fixes: d17bf24e6952 ("genirq: Add a new generic IPI reservation code to irq core") Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> Cc: linux-mips@linux-mips.org Cc: jason@lakedaemon.net Cc: marc.zyngier@arm.com Cc: ralf@linux-mips.org Cc: Qais Yousef <qsyousef@gmail.com> Cc: lisa.parratt@imgtec.com Link: http://lkml.kernel.org/r/1461229712-13057-1-git-send-email-matt.redfearn@imgtec.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> | 21 April 2016, 10:05:15 UTC |
fba7cd6 | Romain Perier | 14 April 2016, 13:36:03 UTC | asm-generic/futex: Re-enable preemption in futex_atomic_cmpxchg_inatomic() The recent decoupling of pagefault disable and preempt disable added an explicit preempt_disable/enable() pair to the futex_atomic_cmpxchg_inatomic() implementation in asm-generic/futex.h. But it forgot to add preempt_enable() calls to the error handling code pathes, which results in a preemption count imbalance. This is observable on boot when the test for atomic_cmpxchg() is calling futex_atomic_cmpxchg_inatomic() on a NULL pointer. Add the missing preempt_enable() calls to the error handling code pathes. [ tglx: Massaged changelog ] Fixes: d9b9ff8c1889 ("sched/preempt, futex: Disable preemption in UP futex_atomic_cmpxchg_inatomic() explicitly") Signed-off-by: Romain Perier <romain.perier@free-electrons.com> Cc: linux-arch@vger.kernel.org Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1460640963-690-1-git-send-email-romain.perier@free-electrons.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> | 21 April 2016, 09:06:09 UTC |
fe1bce9 | Davidlohr Bueso | 21 April 2016, 03:09:24 UTC | futex: Acknowledge a new waiter in counter before plist Otherwise an incoming waker on the dest hash bucket can miss the waiter adding itself to the plist during the lockless check optimization (small window but still the correct way of doing this); similarly to the decrement counterpart. Suggested-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Davidlohr Bueso <dbueso@suse.de> Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: bigeasy@linutronix.de Cc: dvhart@infradead.org Cc: stable@kernel.org Link: http://lkml.kernel.org/r/1461208164-29150-1-git-send-email-dave@stgolabs.net Signed-off-by: Thomas Gleixner <tglx@linutronix.de> | 21 April 2016, 09:06:09 UTC |
a6f4850 | Johannes Berg | 14 April 2016, 13:15:20 UTC | thermal: fix Mediatek thermal controller build At least with CONFIG_COMPILE_TEST, there's no reason to assume that CONFIG_RESET_CONTROLLER is set, but the code for this controller requires it since it calls device_reset(). Make CONFIG_MTK_THERMAL properly depend on CONFIG_RESET_CONTROLLER. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com> | 21 April 2016, 04:13:21 UTC |
1d0fd42 | Wei Ni | 03 March 2016, 09:33:46 UTC | thermal: consistently use int for trip temp The commit 17e8351a7739 consistently use int for temperature, however it missed a few in trip temperature and thermal_core. In current codes, the trip->temperature used "unsigned long" and zone->temperature used"int", if the temperature is negative value, it will get wrong result when compare temperature with trip temperature. This patch can fix it. Signed-off-by: Wei Ni <wni@nvidia.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com> | 21 April 2016, 03:31:14 UTC |
62e14f6 | Randy Dunlap | 19 April 2016, 16:44:23 UTC | thermal: fix mtk_thermal build dependency Fix build errors when MTK_THERMAL=y and NVMEM=m by preventing that Kconfig combination. drivers/built-in.o: In function `mtk_thermal_probe': mtk_thermal.c:(.text+0xffa8f): undefined reference to `nvmem_cell_get' mtk_thermal.c:(.text+0xffabe): undefined reference to `nvmem_cell_read' mtk_thermal.c:(.text+0xffac9): undefined reference to `nvmem_cell_put' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Eduardo Valentin <edubezval@gmail.com> Cc: <linux-pm@vger.kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Hanyi Wu <hanyi.wu@mediatek.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com> | 20 April 2016, 23:22:46 UTC |
9ebfb4e | Randy Dunlap | 19 April 2016, 23:45:01 UTC | thermal: minor mtk_thermal.c cleanups Trivial cleanups: - delete one duplicate #include - end email address with closing '>' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Eduardo Valentin <edubezval@gmail.com> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Hanyi Wu <hanyi.wu@mediatek.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com> | 20 April 2016, 23:22:46 UTC |
f9d0381 | Javi Merino | 06 April 2016, 18:30:18 UTC | thermal: power_allocator: req_range multiplication should be a 64 bit type req_range is declared as a u64 to cope with overflows in the multiplication of two u32. As both req_power and power_range are u32, we need to make sure the multiplication is done with u64 types. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Eduardo Valentin <edubezval@gmail.com> Signed-off-by: Javi Merino <javi.merino@arm.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com> | 20 April 2016, 23:22:45 UTC |
c0ff8aa | Julia Lawall | 19 April 2016, 12:33:32 UTC | thermal: of: add __init attribute Add __init attribute on a function that is only called from other __init functions and that is not inlined, at least with gcc version 4.8.4 on an x86 machine with allyesconfig. Currently, the function is put in the .text.unlikely segment. Declaring it as __init will cause it to be put in the .init.text and to disappear after initialization. The result of objdump -x on the function before the change is as follows: 0000000000000086 l F .text.unlikely 0000000000000739 thermal_of_build_thermal_zone And after the change it is as follows: 0000000000000000 l F .init.text 0000000000000734 thermal_of_build_thermal_zone Done with the help of Coccinelle. The semantic patch checks for local static non-init functions that are called from an __init function and are not called from any other function. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Eduardo Valentin <edubezval@gmail.com> | 20 April 2016, 23:22:45 UTC |
dcc7597 | Dmitry Torokhov | 19 April 2016, 16:54:32 UTC | Input: twl4030-vibra - do not reparent to grandparent For devm-managed input devices we should not modify input device's parent, otherwise automatic release of resources will not work properly. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> | 20 April 2016, 21:39:46 UTC |
4bfeefd | Dmitry Torokhov | 19 April 2016, 16:50:09 UTC | Input: twl6040-vibra - do not reparent to grandparent For devm-managed input devices we should not modify input device's parent, otherwise automatic release of resources will not work properly. Tested-by: "H. Nikolaus Schaller" <hns@goldelico.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> | 20 April 2016, 21:39:45 UTC |
55f058e | Linus Torvalds | 20 April 2016, 19:00:07 UTC | Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fixes from Herbert Xu: "This fixes the following issues: - Incorrect output buffer size calculation in rsa-pkcs1pad - Uninitialised padding bytes on exported state in ccp driver - Potentially freed pointer used on completion callback in sha1-mb" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: ccp - Prevent information leakage on export crypto: sha1-mb - use corrcet pointer while completing jobs crypto: rsa-pkcs1pad - fix dst len | 20 April 2016, 19:00:07 UTC |
df63719 | Andrew Goodbody | 20 April 2016, 15:14:51 UTC | Revert "Prevent NUll pointer dereference with two PHYs on cpsw" This reverts commit cfe255600154f0072d4a8695590dbd194dfd1aeb This can result in a "Unable to handle kernel paging request" during boot. This was due to using an uninitialised struct member, data->slaves. Signed-off-by: Andrew Goodbody <andrew.goodbody@cambrionix.com> Tested-by: Tony Lindgren <tony@atomide.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 20 April 2016, 16:01:36 UTC |
89e9e66 | Sebastian Andrzej Siewior | 15 April 2016, 12:35:39 UTC | futex: Handle unlock_pi race gracefully If userspace calls UNLOCK_PI unconditionally without trying the TID -> 0 transition in user space first then the user space value might not have the waiters bit set. This opens the following race: CPU0 CPU1 uval = get_user(futex) lock(hb) lock(hb) futex |= FUTEX_WAITERS .... unlock(hb) cmpxchg(futex, uval, newval) So the cmpxchg fails and returns -EINVAL to user space, which is wrong because the futex value is valid. To handle this (yes, yet another) corner case gracefully, check for a flag change and retry. [ tglx: Massaged changelog and slightly reworked implementation ] Fixes: ccf9e6a80d9e ("futex: Make unlock_pi more robust") Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: stable@vger.kernel.org Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: Darren Hart <dvhart@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1460723739-5195-1-git-send-email-bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> | 20 April 2016, 10:33:13 UTC |
2fee7d5 | Masahiro Yamada | 20 April 2016, 01:23:31 UTC | arm64: spin-table: add missing of_node_put() Since of_get_cpu_node() increments refcount, the node should be put. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> | 20 April 2016, 09:35:15 UTC |
9859a97 | Lu, Han | 20 April 2016, 02:08:43 UTC | ALSA: hda - add PCI ID for Intel Broxton-T Add HD Audio Device PCI ID for the Intel Broxton-T platform. It is an HDA Intel PCH controller. Signed-off-by: Lu, Han <han.lu@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> | 20 April 2016, 08:20:07 UTC |
38740a5 | Lars-Peter Clausen | 14 April 2016, 15:01:17 UTC | usb: gadget: f_fs: Fix use-after-free When using asynchronous read or write operations on the USB endpoints the issuer of the IO request is notified by calling the ki_complete() callback of the submitted kiocb when the URB has been completed. Calling this ki_complete() callback will free kiocb. Make sure that the structure is no longer accessed beyond that point, otherwise undefined behaviour might occur. Fixes: 2e4c7553cd6f ("usb: gadget: f_fs: add aio support") Cc: <stable@vger.kernel.org> # v3.15+ Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> | 20 April 2016, 07:38:06 UTC |