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Revision | Author | Date | Message | Commit Date |
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28734e8 | Christophe JAILLET | 19 December 2016, 05:52:55 UTC | NTB: Fix 'request_irq()' and 'free_irq()' inconsistancy 'request_irq()' and 'free_irq()' should have the same 'dev_id'. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Acked-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> | 23 December 2016, 21:11:03 UTC |
09e71a6 | Dave Jiang | 13 December 2016, 16:03:13 UTC | ntb: fix SKX NTB config space size register offsets The offsets for the SZ registers are wrong. Updated. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Reported-by: Sandeep Mann <sandeep@purestorage.com> Tested-by: Zachary Ross <zacharyx.ross@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> | 23 December 2016, 21:10:54 UTC |
5c43c52 | Steven Wahl | 08 December 2016, 17:02:28 UTC | NTB: correct ntb_peer_spad_read for case when callback is not supplied. Correct ntb_peer_spad_read for case when callback is not supplied Signed-off-by: Steve Wahl <Steve.Wahl@dell.com> Acked-by: Allen Hubbe <Allen.Hubbe@dell.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> | 23 December 2016, 21:10:50 UTC |
bc034e5 | Shyam Sundar S K | 07 December 2016, 17:18:39 UTC | MAINTAINERS: Change in maintainer for AMD NTB I would like to take maintainership for AMD NTB Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Acked-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> | 23 December 2016, 21:10:42 UTC |
b17faba | Shyam Sundar S K | 07 December 2016, 17:07:05 UTC | ntb_transport: Limit memory windows based on available, scratchpads When the underlying NTB H/W driver advertises more memory windows than the number of scratchpads available to setup MW's, it is likely that we may end up filling the remaining memory windows with garbage. So to avoid that, lets limit the memory windows that transport driver can setup based on the available scratchpads. Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Acked-by: Allen Hubbe <Allen.Hubbe@dell.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> | 23 December 2016, 21:10:35 UTC |
872deb2 | Shyam Sundar S K | 01 December 2016, 19:14:28 UTC | NTB: Register and offset values fix for memory window Due to incorrect limit and translation register values, NTB link was going down when the memory window was setup. Made appropriate changes as per spec. Fix limit register values for BAR1, which was overlapping with the BAR23 address. Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Acked-by: Allen Hubbe <Allen.Hubbe@dell.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> | 23 December 2016, 21:09:18 UTC |
e5b0d2d | Xiangliang Yu | 18 November 2016, 09:21:41 UTC | NTB: add support for hotplug feature AMD NTB support hotplug under B2B mode. NTB will trigger link up/down interrupt event when doing plug add/remove, this patch implements the two interrupt event to support B2B hotplug function. Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Acked-by: Allen Hubbe <Allen.Hubbe@dell.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> | 23 December 2016, 21:09:15 UTC |
783dfa6 | Dave Jiang | 16 November 2016, 21:03:38 UTC | ntb: Adding Skylake Xeon NTB support The Skylake Xeon NTB hardware has made some changes to the register name, offset, and the way doorbells work. Adding driver support for the new hardware. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Acked-by: Allen Hubbe <Allen.Hubbe@dell.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> | 23 December 2016, 21:09:10 UTC |
69973b8 | Linus Torvalds | 11 December 2016, 19:17:54 UTC | Linux 4.9 | 11 December 2016, 19:17:54 UTC |
2e4333c | Linus Torvalds | 11 December 2016, 18:17:39 UTC | Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus Pull MIPS fixes from Ralf Baechle: "Two more MIPS fixes for 4.9: - RTC: Return -ENODEV so an external RTC will be tried - Fix mask of GPE frequency These two have been tested on Imagination's automated test system and also both received positive reviews on the linux-mips mailing list" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: Lantiq: Fix mask of GPE frequency MIPS: Return -ENODEV from weak implementation of rtc_mips_set_time | 11 December 2016, 18:17:39 UTC |
ba73515 | Hauke Mehrtens | 07 December 2016, 21:32:00 UTC | MIPS: Lantiq: Fix mask of GPE frequency The hardware documentation says bit 11:10 are used for the GPE frequency selection. Fix the mask in the define to match these bits. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Thomas Langer <thomas.langer@intel.com> Cc: linux-mips@linux-mips.org Cc: john@phrozen.org Patchwork: https://patchwork.linux-mips.org/patch/14648/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 11 December 2016, 10:20:25 UTC |
edb6fa1 | Luuk Paulussen | 07 December 2016, 22:43:34 UTC | MIPS: Return -ENODEV from weak implementation of rtc_mips_set_time The sync_cmos_clock function in kernel/time/ntp.c first tries to update the internal clock of the cpu by calling the "update_persistent_clock64" architecture specific function. If this returns -ENODEV, it then tries to update an external RTC using "rtc_set_ntp_time". On the mips architecture, the weak implementation of the underlying function would return 0 if it wasn't overridden. This meant that the sync_cmos_clock function would never try to update an external RTC (if both CONFIG_GENERIC_CMOS_UPDATE and CONFIG_RTC_SYSTOHC are configured) Returning -ENODEV instead, means that an external RTC will be tried. Signed-off-by: Luuk Paulussen <luuk.paulussen@alliedtelesis.co.nz> Reviewed-by: Richard Laing <richard.laing@alliedtelesis.co.nz> Reviewed-by: Scott Parlane <scott.parlane@alliedtelesis.co.nz> Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14649/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 11 December 2016, 10:19:04 UTC |
0451698 | Linus Torvalds | 10 December 2016, 17:47:13 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: - Fix pointer size when caam is used with AArch64 boot loader on AArch32 kernel. - Fix ahash state corruption in marvell driver. - Fix buggy algif_aed tag handling. - Prevent mcryptd from being used with incompatible algorithms which can cause crashes" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: algif_aead - fix uninitialized variable warning crypto: mcryptd - Check mcryptd algorithm compatibility crypto: algif_aead - fix AEAD tag memory handling crypto: caam - fix pointer size for AArch64 boot loader, AArch32 kernel crypto: marvell - Don't corrupt state of an STD req for re-stepped ahash crypto: marvell - Don't copy hash operation twice into the SRAM | 10 December 2016, 17:47:13 UTC |
cd66289 | Linus Torvalds | 10 December 2016, 17:23:19 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net Pull networking fixes from David Miller: 1) Limit the number of can filters to avoid > MAX_ORDER allocations. Fix from Marc Kleine-Budde. 2) Limit GSO max size in netvsc driver to avoid problems with NVGRE configurations. From Stephen Hemminger. 3) Return proper error when memory allocation fails in ser_gigaset_init(), from Dan Carpenter. 4) Missing linkage undo in error paths of ipvlan_link_new(), from Gao Feng. 5) Missing necessayr SET_NETDEV_DEV in lantiq and cpmac drivers, from Florian Fainelli. 6) Handle probe deferral properly in smsc911x driver. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: net: mlx5: Fix Kconfig help text net: smsc911x: back out silently on probe deferrals ibmveth: set correct gso_size and gso_type net: ethernet: cpmac: Call SET_NETDEV_DEV() net: ethernet: lantiq_etop: Call SET_NETDEV_DEV() vhost-vsock: fix orphan connection reset cxgb4/cxgb4vf: Assign netdev->dev_port with port ID driver: ipvlan: Unlink the upper dev when ipvlan_link_new failed ser_gigaset: return -ENOMEM on error instead of success NET: usb: cdc_mbim: add quirk for supporting Telit LE922A can: peak: fix bad memory access and free sequence phy: Don't increment MDIO bus refcount unless it's a different owner netvsc: reduce maximum GSO size drivers: net: cpsw-phy-sel: Clear RGMII_IDMODE on "rgmii" links can: raw: raw_setsockopt: limit number of can_filter that can be set | 10 December 2016, 17:23:19 UTC |
d33695f | Christopher Covington | 09 December 2016, 21:53:05 UTC | net: mlx5: Fix Kconfig help text Since the following commit, Infiniband and Ethernet have not been mutually exclusive. Fixes: 4aa17b28 mlx5: Enable mutual support for IB and Ethernet Signed-off-by: Christopher Covington <cov@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net> | 10 December 2016, 04:08:32 UTC |
ab4e4c0 | Linus Walleij | 09 December 2016, 13:18:00 UTC | net: smsc911x: back out silently on probe deferrals When trying to get a regulator we may get deferred and we see this noise: smsc911x 1b800000.ethernet-ebi2 (unnamed net_device) (uninitialized): couldn't get regulators -517 Then the driver continues anyway. Which means that the regulator may not be properly retrieved and reference counted, and may be switched off in case noone else is using it. Fix this by returning silently on deferred probe and let the system work it out. Cc: Jeremy Linton <jeremy.linton@arm.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net> | 10 December 2016, 04:05:16 UTC |
7b59673 | Thomas Falcon | 08 December 2016, 22:40:03 UTC | ibmveth: set correct gso_size and gso_type This patch is based on an earlier one submitted by Jon Maxwell with the following commit message: "We recently encountered a bug where a few customers using ibmveth on the same LPAR hit an issue where a TCP session hung when large receive was enabled. Closer analysis revealed that the session was stuck because the one side was advertising a zero window repeatedly. We narrowed this down to the fact the ibmveth driver did not set gso_size which is translated by TCP into the MSS later up the stack. The MSS is used to calculate the TCP window size and as that was abnormally large, it was calculating a zero window, even although the sockets receive buffer was completely empty." We rely on the Virtual I/O Server partition in a pseries environment to provide the MSS through the TCP header checksum field. The stipulation is that users should not disable checksum offloading if rx packet aggregation is enabled through VIOS. Some firmware offerings provide the MSS in the RX buffer. This is signalled by a bit in the RX queue descriptor. Reviewed-by: Brian King <brking@linux.vnet.ibm.com> Reviewed-by: Pradeep Satyanarayana <pradeeps@linux.vnet.ibm.com> Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Reviewed-by: Jonathan Maxwell <jmaxwell37@gmail.com> Reviewed-by: David Dai <zdai@us.ibm.com> Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 10 December 2016, 03:47:22 UTC |
810ac7b | Linus Torvalds | 09 December 2016, 19:27:22 UTC | Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm fixes from Dan Williams: "Several fixes to the DSM (ACPI device specific method) marshaling implementation. I consider these urgent enough to send for 4.9 consideration since they fix the kernel's handling of ARS (Address Range Scrub) commands. Especially for platforms without machine-check-recovery capabilities, successful execution of ARS commands enables the platform to potentially break out of an infinite reboot problem if a media error is present in the boot path. There is also a one line fix for a device-dax read-only mapping regression. Commits 9a901f5495e2 ("acpi, nfit: fix extended status translations for ACPI DSMs") and 325896ffdf90 ("device-dax: fix private mapping restriction, permit read-only") are true regression fixes for changes introduced this cycle. Commit efda1b5d87cb ("acpi, nfit, libnvdimm: fix / harden ars_status output length handling") fixes the kernel's handling of zero-length results, this never would have worked in the past, but we only just recently discovered a BIOS implementation that emits this arguably spec non-compliant result. The remaining two commits are additional fall out from thinking through the implications of a zero / truncated length result of the ARS Status command. In order to mitigate the risk that these changes introduce yet more regressions they are backstopped by a new unit test in commit a7de92dac9f0 ("tools/testing/nvdimm: unit test acpi_nfit_ctl()") that mocks up inputs to acpi_nfit_ctl()" * 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: device-dax: fix private mapping restriction, permit read-only tools/testing/nvdimm: unit test acpi_nfit_ctl() acpi, nfit: fix bus vs dimm confusion in xlat_status acpi, nfit: validate ars_status output buffer size acpi, nfit, libnvdimm: fix / harden ars_status output length handling acpi, nfit: fix extended status translations for ACPI DSMs | 09 December 2016, 19:27:22 UTC |
861d75d | Linus Torvalds | 09 December 2016, 19:07:45 UTC | Merge branch 'for-4.9-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata Pull libata fixes from Tejun Heo: "This is quite late but SCT Write Same support added during this cycle is broken subtly but seriously and it'd be best to disable it before v4.9 gets released. This contains two commits - one low impact sata_mv fix and the mentioned disabling of SCT Write Same" * 'for-4.9-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: libata-scsi: disable SCT Write Same for the moment ata: sata_mv: check for errors when parsing nr-ports from dt | 09 December 2016, 19:07:45 UTC |
af9468d | Linus Torvalds | 09 December 2016, 19:02:40 UTC | Merge tag 'ceph-for-4.9-rc9' of git://github.com/ceph/ceph-client Pull ceph fix from Ilya Dryomov: "A fix for an issue with ->d_revalidate() in ceph, causing frequent kernel crashes. Marked for stable - it goes back to 4.6, but started popping up only in 4.8" * tag 'ceph-for-4.9-rc9' of git://github.com/ceph/ceph-client: ceph: don't set req->r_locked_dir in ceph_d_revalidate | 09 December 2016, 19:02:40 UTC |
1f6c926 | Linus Torvalds | 09 December 2016, 19:00:39 UTC | Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "Final batch of SoC fixes A few fixes that have trickled in over the last week, all fixing minor errors in devicetrees -- UART pin assignment on Allwinner H3, correcting number of SATA ports on a Marvell-based Linkstation platform and a display clock fix for Freescale/NXP i.MX7D that fixes a freeze when starting up X" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: dts: orion5x: fix number of sata port for linkstation ls-gl ARM: dts: imx7d: fix LCDIF clock assignment dts: sun8i-h3: correct UART3 pin definitions | 09 December 2016, 19:00:39 UTC |
7514712 | Linus Torvalds | 09 December 2016, 18:54:54 UTC | Merge tag 'm68k-for-v4.9-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k Pull m68k fixes from Geert Uytterhoeven: - build fix for drivers calling ndelay() in a conditional block without curly braces - defconfig updates * tag 'm68k-for-v4.9-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: Fix ndelay() macro m68k/defconfig: Update defconfigs for v4.9-rc1 | 09 December 2016, 18:54:54 UTC |
1ca17e9 | Linus Torvalds | 09 December 2016, 18:50:49 UTC | Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux Pull drm fix from Dave Airlie: "Just a single fix for amdgpu to just suspend the gpu on 'shutdown' instead of shutting it down fully, as for some reason the hw was getting upset in some situations" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/amdgpu: just suspend the hw on pci shutdown | 09 December 2016, 18:50:49 UTC |
2b41226 | Linus Torvalds | 09 December 2016, 18:41:42 UTC | Revert "radix tree test suite: fix compilation" This reverts commit 53855d10f4567a0577360b6448d52a863929775b. It shouldn't have come in yet - it depends on the changes in linux-next that will come in during the next merge window. As Matthew Wilcox says, the test suite is broken with the current state without the revert. Requested-by: Matthew Wilcox <mawilcox@microsoft.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 09 December 2016, 18:41:42 UTC |
1472d59 | David S. Miller | 09 December 2016, 02:26:59 UTC | Merge branch 'ethernet-missing-netdev-parent' Florian Fainelli says: ==================== net: ethernet: Make sure we set dev->dev.parent This patch series builds atop: ec988ad78ed6d184a7f4ca6b8e962b0e8f1de461 ("phy: Don't increment MDIO bus refcount unless it's a different owner") FMAN is the one that potentially needs patching as well (call SET_NETDEV_DEV), but there appears to be no way that init_phy is called right now, or there is not such an in-tree user. Madalin, can you comment on that? ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 09 December 2016, 02:26:59 UTC |
5579f28 | Florian Fainelli | 08 December 2016, 19:41:25 UTC | net: ethernet: cpmac: Call SET_NETDEV_DEV() The TI CPMAC driver calls into PHYLIB which now checks for net_device->dev.parent, so make sure we do set it before calling into any MDIO/PHYLIB related function. Fixes: ec988ad78ed6 ("phy: Don't increment MDIO bus refcount unless it's a different owner") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 09 December 2016, 02:26:58 UTC |
9cecb13 | Florian Fainelli | 08 December 2016, 19:41:24 UTC | net: ethernet: lantiq_etop: Call SET_NETDEV_DEV() The Lantiq Etop driver calls into PHYLIB which now checks for net_device->dev.parent, so make sure we do set it before calling into any MDIO/PHYLIB related function. Fixes: ec988ad78ed6 ("phy: Don't increment MDIO bus refcount unless it's a different owner") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 09 December 2016, 02:26:58 UTC |
c458763 | Peng Tao | 08 December 2016, 17:10:46 UTC | vhost-vsock: fix orphan connection reset local_addr.svm_cid is host cid. We should check guest cid instead, which is remote_addr.svm_cid. Otherwise we end up resetting all connections to all guests. Cc: stable@vger.kernel.org [4.8+] Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Peng Tao <bergwolf@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 09 December 2016, 02:24:30 UTC |
a37102d | Linus Torvalds | 08 December 2016, 23:40:15 UTC | Merge branch 'parisc-4.9-5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull parisc fixes from Helge Deller: "Three important fixes for the parisc architecture. Dave provided two patches: One which purges the TLB before setting a PTE entry and a second one which drops unnecessary TLB flushes. Both patches have been tested for one week on the debian buildd servers and prevent random segmentation faults. The patch from me fixes a crash at boot inside the TLB measuring code on SMP machines with PA8000-PA8700 CPUs (specifically A500-44 and J5000 servers)" * 'parisc-4.9-5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Fix TLB related boot crash on SMP machines parisc: Remove unnecessary TLB purges from flush_dcache_page_asm and flush_icache_page_asm parisc: Purge TLB before setting PTE | 08 December 2016, 23:40:15 UTC |
1e97426 | David S. Miller | 08 December 2016, 23:22:40 UTC | Merge tag 'linux-can-fixes-for-4.9-20161208' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2016-12-08 this is a pull request for one patch. Jiho Chu found and fixed a use-after-free error in the cleanup path in the peak pcan USB CAN driver. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 08 December 2016, 23:22:40 UTC |
d2a007a | Arjun V | 08 December 2016, 12:39:23 UTC | cxgb4/cxgb4vf: Assign netdev->dev_port with port ID Added missing dev_port assignment in cxgb4vf driver. Also made dev_port assignment of cxgb4 in sync with cxgb4vf driver. Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Arjun V <arjun@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 08 December 2016, 23:20:08 UTC |
24d0492 | Helge Deller | 08 December 2016, 20:00:46 UTC | parisc: Fix TLB related boot crash on SMP machines At bootup we run measurements to calculate the best threshold for when we should be using full TLB flushes instead of just flushing a specific amount of TLB entries. This performance test is run over the kernel text segment. But running this TLB performance test on the kernel text segment turned out to crash some SMP machines when the kernel text pages were mapped as huge pages. To avoid those crashes this patch simply skips this test on some SMP machines and calculates an optimal threshold based on the maximum number of available TLB entries and number of online CPUs. On a technical side, this seems to happen: The TLB measurement code uses flush_tlb_kernel_range() to flush specific TLB entries with a page size of 4k (pdtlb 0(sr1,addr)). On UP systems this purge instruction seems to work without problems even if the pages were mapped as huge pages. But on SMP systems the TLB purge instruction is broadcasted to other CPUs. Those CPUs then crash the machine because the page size is not as expected. C8000 machines with PA8800/PA8900 CPUs were not affected by this problem, because the required cache coherency prohibits to use huge pages at all. Sadly I didn't found any documentation about this behaviour, so this finding is purely based on testing with phyiscal SMP machines (A500-44 and J5000, both were 2-way boxes). Cc: <stable@vger.kernel.org> # v3.18+ Signed-off-by: Helge Deller <deller@gmx.de> | 08 December 2016, 20:27:18 UTC |
b4aafe7 | Linus Torvalds | 08 December 2016, 20:04:41 UTC | Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fix from James Bottomley: "One small fix for a regression in a prior fix (again). This time the condition in the prior fix BUG_ON proved to be wrong under certain circumstances causing a BUG to trigger where it shouldn't in the lpfc driver" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: lpfc: fix oops/BUG in lpfc_sli_ringtxcmpl_put() | 08 December 2016, 20:04:41 UTC |
1a31cc8 | Gao Feng | 08 December 2016, 03:16:58 UTC | driver: ipvlan: Unlink the upper dev when ipvlan_link_new failed When netdev_upper_dev_unlink failed in ipvlan_link_new, need to unlink the ipvlan dev with upper dev. Signed-off-by: Gao Feng <fgao@ikuai8.com> Acked-by: Mahesh Bandewar <maheshb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 08 December 2016, 19:30:07 UTC |
93a97c5 | Dan Carpenter | 07 December 2016, 11:22:03 UTC | ser_gigaset: return -ENOMEM on error instead of success If we can't allocate the resources in gigaset_initdriver() then we should return -ENOMEM instead of zero. Fixes: 2869b23e4b95 ("[PATCH] drivers/isdn/gigaset: new M101 driver (v2)") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 08 December 2016, 19:19:17 UTC |
038ccb3 | Roger Shimizu | 01 December 2016, 15:11:12 UTC | ARM: dts: orion5x: fix number of sata port for linkstation ls-gl Bug report from Debian [0] shows there's minor changed model of Linkstation LS-GL that uses the 2nd SATA port of the SoC. So it's necessary to enable two SATA ports, though for that specific model only the 2nd one is used. [0] https://bugs.debian.org/845611 Fixes: b1742ffa9ddb ("ARM: dts: orion5x: add device tree for buffalo linkstation ls-gl") Reported-by: Ryan Tandy <ryan@nardis.ca> Tested-by: Ryan Tandy <ryan@nardis.ca> Signed-off-by: Roger Shimizu <rogershimizu@gmail.com> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> | 08 December 2016, 18:19:24 UTC |
7b8076c | Daniele Palmas | 07 December 2016, 13:07:48 UTC | NET: usb: cdc_mbim: add quirk for supporting Telit LE922A Telit LE922A MBIM based composition does not work properly with altsetting toggle done in cdc_ncm_bind_common. This patch adds CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE quirk to avoid this procedure that, instead, is mandatory for other modems. Signed-off-by: Daniele Palmas <dnlplm@gmail.com> Reviewed-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: David S. Miller <davem@davemloft.net> | 08 December 2016, 18:02:25 UTC |
b67d0dd | 추지호 | 08 December 2016, 12:01:13 UTC | can: peak: fix bad memory access and free sequence Fix for bad memory access while disconnecting. netdev is freed before private data free, and dev is accessed after freeing netdev. This makes a slub problem, and it raise kernel oops with slub debugger config. Signed-off-by: Jiho Chu <jiho.chu@samsung.com> Cc: linux-stable <stable@vger.kernel.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> | 08 December 2016, 14:59:52 UTC |
c3f4688 | Jeff Layton | 30 November 2016, 20:56:46 UTC | ceph: don't set req->r_locked_dir in ceph_d_revalidate This function sets req->r_locked_dir which is supposed to indicate to ceph_fill_trace that the parent's i_rwsem is locked for write. Unfortunately, there is no guarantee that the dir will be locked when d_revalidate is called, so we really don't want ceph_fill_trace to do any dcache manipulation from this context. Clear req->r_locked_dir since it's clearly not safe to do that. What we really want to know with d_revalidate is whether the dentry still points to the same inode. ceph_fill_trace installs a pointer to the inode in req->r_target_inode, so we can just compare that to d_inode(dentry) to see if it's the same one after the lookup. Also, since we aren't generally interested in the parent here, we can switch to using a GETATTR to hint that to the MDS, which also means that we only need to reserve one cap. Finally, just remove the d_unhashed check. That's really outside the purview of a filesystem's d_revalidate. If the thing became unhashed while we're checking it, then that's up to the VFS to handle anyway. Fixes: 200fd27c8fa2 ("ceph: use lookup request to revalidate dentry") Link: http://tracker.ceph.com/issues/18041 Reported-by: Donatas Abraitis <donatas.abraitis@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com> | 08 December 2016, 13:32:16 UTC |
678b5c6 | Stephan Mueller | 08 December 2016, 06:09:44 UTC | crypto: algif_aead - fix uninitialized variable warning In case the user provided insufficient data, the code may return prematurely without any operation. In this case, the processed data indicated with outlen is zero. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> | 08 December 2016, 12:09:22 UTC |
318c893 | Linus Torvalds | 08 December 2016, 01:28:38 UTC | Merge branch 'akpm' (patches from Andrew) Merge more fixes from Andrew Morton: "3 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: kcov: add missing #include <linux/sched.h> radix tree test suite: fix compilation zram: restrict add/remove attributes to root only | 08 December 2016, 01:28:38 UTC |
166ad0e | Kefeng Wang | 07 December 2016, 22:44:36 UTC | kcov: add missing #include <linux/sched.h> In __sanitizer_cov_trace_pc we use task_struct and fields within it, but as we haven't included <linux/sched.h>, it is not guaranteed to be defined. While we usually happen to acquire the definition through a transitive include, this is fragile (and hasn't been true in the past, causing issues with backports). Include <linux/sched.h> to avoid any fragility. [mark.rutland@arm.com: rewrote changelog] Link: http://lkml.kernel.org/r/1481007384-27529-1-git-send-email-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: James Morse <james.morse@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 08 December 2016, 01:10:00 UTC |
53855d1 | Matthew Wilcox | 07 December 2016, 22:44:33 UTC | radix tree test suite: fix compilation Patch "lib/radix-tree: Convert to hotplug state machine" breaks the test suite as it adds a call to cpuhp_setup_state_nocalls() which is not currently emulated in the test suite. Add it, and delete the emulation of the old CPU hotplug mechanism. Link: http://lkml.kernel.org/r/1480369871-5271-36-git-send-email-mawilcox@linuxonhyperv.com Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com> Tested-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Konstantin Khlebnikov <koct9i@gmail.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Matthew Wilcox <mawilcox@microsoft.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 08 December 2016, 01:10:00 UTC |
5c7e9cc | Sergey Senozhatsky | 07 December 2016, 22:44:31 UTC | zram: restrict add/remove attributes to root only zram hot_add sysfs attribute is a very 'special' attribute - reading from it creates a new uninitialized zram device. This file, by a mistake, can be read by a 'normal' user at the moment, while only root must be able to create a new zram device, therefore hot_add attribute must have S_IRUSR mode, not S_IRUGO. [akpm@linux-foundation.org: s/sence/sense/, reflow comment to use 80 cols] Fixes: 6566d1a32bf72 ("zram: add dynamic device add/remove functionality") Link: http://lkml.kernel.org/r/20161205155845.20129-1-sergey.senozhatsky@gmail.com Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Reported-by: Steven Allen <steven@stebalien.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Minchan Kim <minchan@kernel.org> Cc: <stable@vger.kernel.org> [4.2+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 08 December 2016, 01:10:00 UTC |
4e4f3e9 | Dave Airlie | 08 December 2016, 00:32:27 UTC | Merge branch 'drm-fixes-4.9' of git://people.freedesktop.org/~agd5f/linux into drm-fixes another regression fix for the shutdown stuff. * 'drm-fixes-4.9' of git://people.freedesktop.org/~agd5f/linux: drm/amdgpu: just suspend the hw on pci shutdown | 08 December 2016, 00:32:27 UTC |
e185934 | Nicolai Stange | 07 December 2016, 21:21:33 UTC | libata-scsi: disable SCT Write Same for the moment SCT Write Same support had been introduced with commit 7b2030942859 ("libata: Add support for SCT Write Same") Some problems, namely excessive userspace segfaults, had been reported at http://lkml.kernel.org/r/20160908192736.GA4356@gmail.com This lead to commit 0ce1b18c42a5 ("libata: Some drives failing on SCT Write Same") which strived to disable SCT Write Same on !ZAC devices. Due to the way this was done and to the logic in sd_config_write_same(), this didn't work for those devices that have ->max_ws_blocks > SD_MAX_WS10_BLOCKS: for these, ->no_write_same and ->max_write_same_sectors would still be non-zero, but ->ws10 == ->ws16 == 0. This would cause sd_setup_write_same_cmnd() to demultiplex REQ_OP_WRITE_SAME requests to WRITE_SAME, and these in turn aren't supported by libata-scsi: EXT4-fs (dm-1): Delayed block allocation failed for inode 2625094 at logical offset 2032 with max blocks 2 with error 121 EXT4-fs (dm-1): This should not happen!! Data will be lost 121 == EREMOTEIO is what scsi_io_completion() asserts in case of invalid opcodes. Back to the original problem of userspace segfaults: this can be tracked down to ata_format_sct_write_same() overwriting the input page. Sometimes, this page is ZERO_PAGE(0) which ceases to be filled with zeros from that point on. Since ZERO_PAGE(0) is used for userspace .bss mappings, code of the following is doomed: static char *a = NULL; /* .bss */ ... if (a) *a = 'a'; This problem is not solved by disabling SCT Write Same for !ZAC devices only. It can certainly be fixed, but the final release is quite close -- so disable SCT Write Same for all ATA devices rather than introducing some SCT key buffer allocation schemes at this point. Fixes: 7b2030942859 ("libata: Add support for SCT Write Same") Signed-off-by: Nicolai Stange <nicstange@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org> | 07 December 2016, 21:29:09 UTC |
4b707fa | Stefan Agner | 23 November 2016, 00:42:04 UTC | ARM: dts: imx7d: fix LCDIF clock assignment The eLCDIF IP of the i.MX 7 SoC knows multiple clocks and lists them separately: Clock Clock Root Description apb_clk MAIN_AXI_CLK_ROOT AXI clock pix_clk LCDIF_PIXEL_CLK_ROOT Pixel clock ipg_clk_s MAIN_AXI_CLK_ROOT Peripheral access clock All of them are switched by a single gate, which is part of the IMX7D_LCDIF_PIXEL_ROOT_CLK clock. Hence using that clock also for the AXI bus clock (clock-name "axi") makes sure the gate gets enabled when accessing registers. There seem to be no separate AXI display clock, and the clock is optional. Hence remove the dummy clock. This fixes kernel freezes when starting the X-Server (which disables/re-enables the display controller). Fixes: e8ed73f691bd ("ARM: dts: imx7d: add lcdif support") Signed-off-by: Stefan Agner <stefan@agner.ch> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Acked-by: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Olof Johansson <olof@lixom.net> | 07 December 2016, 20:52:07 UTC |
4367c1d | Jorik Jonker | 06 December 2016, 14:27:10 UTC | dts: sun8i-h3: correct UART3 pin definitions In a previous commit, I made a copy/paste error in the pinmux definitions of UART3: PG{13,14} instead of PA{13,14}. This commit takes care of that. I have tested this commit on Orange Pi PC and Orange Pi Plus, and it works for these boards. Fixes: e3d11d3c45c5 ("dts: sun8i-h3: add pinmux definitions for UART2-3") Signed-off-by: Jorik Jonker <jorik@kippendief.biz> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Olof Johansson <olof@lixom.net> | 07 December 2016, 20:40:32 UTC |
ea5a9ef | Linus Torvalds | 07 December 2016, 19:39:27 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: a core dumping crash fix, a guess-unwinder regression fix, plus three build warning fixes" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/unwind: Fix guess-unwinder regression x86/build: Annotate die() with noreturn to fix build warning on clang x86/platform/olpc: Fix resume handler build warning x86/apic/uv: Silence a shift wrapping warning x86/coredump: Always use user_regs_struct for compat_elf_gregset_t | 07 December 2016, 19:39:27 UTC |
68f5503 | Linus Torvalds | 07 December 2016, 19:35:55 UTC | Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fix from Ingo Molnar: "An autogroup nice level adjustment bug fix" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/autogroup: Fix 64-bit kernel nice level adjustment | 07 December 2016, 19:35:55 UTC |
bf7f1c7 | Linus Torvalds | 07 December 2016, 19:32:19 UTC | Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "A bogus warning fix, a counter width handling fix affecting certain machines, plus a oneliner hw-enablement patch for Knights Mill CPUs" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/core: Remove invalid warning from list_update_cgroup_even()t perf/x86: Fix full width counter, counter overflow perf/x86/intel: Enable C-state residency events for Knights Mill | 07 December 2016, 19:32:19 UTC |
5b43f97 | Linus Torvalds | 07 December 2016, 19:27:33 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: "Two rtmutex race fixes (which miraculously never triggered, that we know of), plus two lockdep printk formatting regression fixes" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: lockdep: Fix report formatting locking/rtmutex: Use READ_ONCE() in rt_mutex_owner() locking/rtmutex: Prevent dequeue vs. unlock race locking/selftest: Fix output since KERN_CONT changes | 07 December 2016, 19:27:33 UTC |
407cf05 | Linus Torvalds | 07 December 2016, 18:56:00 UTC | Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull objtool fix from Ingo Molnar: "A single late breaking fix for objtool" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: objtool: Fix bytes check of lea's rex_prefix | 07 December 2016, 18:56:00 UTC |
ec988ad | Florian Fainelli | 07 December 2016, 04:54:43 UTC | phy: Don't increment MDIO bus refcount unless it's a different owner Commit 3e3aaf649416 ("phy: fix mdiobus module safety") fixed the way we dealt with MDIO bus module reference count, but sort of introduced a regression in that, if an Ethernet driver registers its own MDIO bus driver, as is common, we will end up with the Ethernet driver's module->refnct set to 1, thus preventing this driver from any removal. Fix this by comparing the network device's device driver owner against the MDIO bus driver owner, and only if they are different, increment the MDIO bus module refcount. Fixes: 3e3aaf649416 ("phy: fix mdiobus module safety") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 07 December 2016, 18:27:14 UTC |
a50af86 | stephen hemminger | 06 December 2016, 21:43:54 UTC | netvsc: reduce maximum GSO size Hyper-V (and Azure) support using NVGRE which requires some extra space for encapsulation headers. Because of this the largest allowed TSO packet is reduced. For older releases, hard code a fixed reduced value. For next release, there is a better solution which uses result of host offload negotiation. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 07 December 2016, 18:13:41 UTC |
74685b0 | Alex | 06 December 2016, 18:56:51 UTC | drivers: net: cpsw-phy-sel: Clear RGMII_IDMODE on "rgmii" links Support for setting the RGMII_IDMODE bit was added in the commit referenced below. However, that commit did not add the symmetrical clearing of the bit by way of setting it in "mask". Add it here. Note that the documentation marks clearing this bit as "reserved", however, according to TI, support for delaying the clock does exist in the MAC, although it is not officially supported. We tested this on a board with an RGMII to RGMII link that will not work unless this bit is cleared. Fixes: 0fb26c3063ea ("drivers: net: cpsw-phy-sel: add support to configure rgmii internal delay") Signed-off-by: Alexandru Gagniuc <alex.g@adaptrum.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 07 December 2016, 18:12:17 UTC |
233900d | David S. Miller | 07 December 2016, 17:07:09 UTC | Merge tag 'linux-can-fixes-for-4.9-20161207' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2016-12-07 Andrey Konovalov triggered a warning in the CAN RAW layer, which is fixed by a patch by me. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 07 December 2016, 17:07:09 UTC |
ce779d6 | Linus Torvalds | 07 December 2016, 16:45:23 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Pull fuse fix from Miklos Szeredi: "Fix a regression spotted by Jeff Layton" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: fix clearing suid, sgid for chown() | 07 December 2016, 16:45:23 UTC |
f27c2f6 | Linus Torvalds | 07 December 2016, 16:39:00 UTC | Revert "default exported asm symbols to zero" This reverts commit 8ab2ae655bfe384335c5b6b0d6041e0ddce26b00. I loved that commit because of how it explained what the problem with newer versions of binutils were, but the actual patch itself turns out to not work very well. It has two problems: - a zero CRC value isn't actually right. It happens to work for the case where both sides of the equation fail at giving the symbol a crc, but there are cases where the users of the exported symbol get the right crc (due to seeing the C declarations), but the actual exporting itself does not (due to the whole weak asm symbol issue). So then the module load fails after all - we did have a crc for the symbol, but we couldn't match it with the loaded module. - it seems that the alpha assembler has special semantics for the '.set' directive, and on alpha it doesn't actually set the value of the specified symbol at all, it is instead used to set various assembly modes (eg ".set noat" and ".set noreorder"). So using ".set" to set the symbol value would just cause build failures on alpha. I'm sure we'll find some other workaround for these issues (hopefully that involves getting rid of modversions entirely some day, but people are also talking about just using smarter tools). But for now we'll just fall back on commit faaae2a58143 ("Re-enable CONFIG_MODVERSIONS in a slightly weaker form") that just let's a missing crc through. Reported-by: Jan Stancek <jstancek@redhat.com> Reported-by: Philip Müller <philm@manjaro.org> Reported-by: Guenter Roeck <linux@roeck-us.net> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 07 December 2016, 16:39:00 UTC |
a0ac402 | Linus Torvalds | 07 December 2016, 00:18:14 UTC | Don't feed anything but regular iovec's to blk_rq_map_user_iov In theory we could map other things, but there's a reason that function is called "user_iov". Using anything else (like splice can do) just confuses it. Reported-and-tested-by: Johannes Thumshirn <jthumshirn@suse.de> Cc: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 07 December 2016, 16:23:35 UTC |
faefba9 | Alex Deucher | 06 December 2016, 15:38:29 UTC | drm/amdgpu: just suspend the hw on pci shutdown We can't just reuse pci_remove as there may be userspace still doing things. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98638 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97980 Reviewed-by: Christian König <christian.koenig@amd.com> Reported-and-tested-by: Mike Lothian <mike@fireburn.co.uk> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | 07 December 2016, 16:17:21 UTC |
48a9927 | tim | 05 December 2016, 19:46:31 UTC | crypto: mcryptd - Check mcryptd algorithm compatibility Algorithms not compatible with mcryptd could be spawned by mcryptd with a direct crypto_alloc_tfm invocation using a "mcryptd(alg)" name construct. This causes mcryptd to crash the kernel if an arbitrary "alg" is incompatible and not intended to be used with mcryptd. It is an issue if AF_ALG tries to spawn mcryptd(alg) to expose it externally. But such algorithms must be used internally and not be exposed. We added a check to enforce that only internal algorithms are allowed with mcryptd at the time mcryptd is spawning an algorithm. Link: http://marc.info/?l=linux-crypto-vger&m=148063683310477&w=2 Cc: stable@vger.kernel.org Reported-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> | 07 December 2016, 11:55:37 UTC |
0c1e16c | Stephan Mueller | 05 December 2016, 14:26:19 UTC | crypto: algif_aead - fix AEAD tag memory handling For encryption, the AEAD ciphers require AAD || PT as input and generate AAD || CT || Tag as output and vice versa for decryption. Prior to this patch, the AF_ALG interface for AEAD ciphers requires the buffer to be present as input for encryption. Similarly, the output buffer for decryption required the presence of the tag buffer too. This implies that the kernel reads / writes data buffers from/to kernel space even though this operation is not required. This patch changes the AF_ALG AEAD interface to be consistent with the in-kernel AEAD cipher requirements. Due to this handling, he changes are transparent to user space with one exception: the return code of recv indicates the mount of output buffer. That output buffer has a different size compared to before the patch which implies that the return code of recv will also be different. For example, a decryption operation uses 16 bytes AAD, 16 bytes CT and 16 bytes tag, the AF_ALG AEAD interface before showed a recv return code of 48 (bytes) whereas after this patch, the return code is 32 since the tag is not returned any more. Reported-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> | 07 December 2016, 11:55:36 UTC |
39eaf75 | Horia Geantă | 05 December 2016, 09:06:58 UTC | crypto: caam - fix pointer size for AArch64 boot loader, AArch32 kernel Start with a clean slate before dealing with bit 16 (pointer size) of Master Configuration Register. This fixes the case of AArch64 boot loader + AArch32 kernel, when the boot loader might set MCFGR[PS] and kernel would fail to clear it. Cc: <stable@vger.kernel.org> Reported-by: Alison Wang <alison.wang@nxp.com> Signed-off-by: Horia Geantă <horia.geanta@nxp.com> Reviewed-By: Alison Wang <Alison.wang@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> | 07 December 2016, 11:55:17 UTC |
9e5f7a1 | Romain Perier | 05 December 2016, 08:56:39 UTC | crypto: marvell - Don't corrupt state of an STD req for re-stepped ahash mv_cesa_hash_std_step() copies the creq->state into the SRAM at each step, but this is only required on the first one. By doing that, we overwrite the engine state, and get erroneous results when the crypto request is split in several chunks to fit in the internal SRAM. This commit changes the function to copy the state only on the first step. Fixes: commit 2786cee8e50b ("crypto: marvell - Move SRAM I/O op...") Signed-off-by: Romain Perier <romain.perier@free-electrons.com> Cc: <stable@vger.kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> | 07 December 2016, 11:55:17 UTC |
68c7f8c | Romain Perier | 05 December 2016, 08:56:38 UTC | crypto: marvell - Don't copy hash operation twice into the SRAM No need to copy the template of an hash operation twice into the SRAM from the step function. Fixes: commit 85030c5168f1 ("crypto: marvell - Add support for chai...") Signed-off-by: Romain Perier <romain.perier@free-electrons.com> Cc: <stable@vger.kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> | 07 December 2016, 11:55:16 UTC |
332b05c | Marc Kleine-Budde | 05 December 2016, 10:44:23 UTC | can: raw: raw_setsockopt: limit number of can_filter that can be set This patch adds a check to limit the number of can_filters that can be set via setsockopt on CAN_RAW sockets. Otherwise allocations > MAX_ORDER are not prevented resulting in a warning. Reference: https://lkml.org/lkml/2016/12/2/230 Reported-by: Andrey Konovalov <andreyknvl@google.com> Tested-by: Andrey Konovalov <andreyknvl@google.com> Cc: linux-stable <stable@vger.kernel.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> | 07 December 2016, 09:45:57 UTC |
febe429 | John David Anglin | 07 December 2016, 03:02:01 UTC | parisc: Remove unnecessary TLB purges from flush_dcache_page_asm and flush_icache_page_asm We have four routines in pacache.S that use temporary alias pages: copy_user_page_asm(), clear_user_page_asm(), flush_dcache_page_asm() and flush_icache_page_asm(). copy_user_page_asm() and clear_user_page_asm() don't purge the TLB entry used for the operation. flush_dcache_page_asm() and flush_icache_page_asm do purge the entry. Presumably, this was thought to optimize TLB use. However, the operation is quite heavy weight on PA 1.X processors as we need to take the TLB lock and a TLB broadcast is sent to all processors. This patch removes the purges from flush_dcache_page_asm() and flush_icache_page_asm. Signed-off-by: John David Anglin <dave.anglin@bell.net> Cc: <stable@vger.kernel.org> # v3.16+ Signed-off-by: Helge Deller <deller@gmx.de> | 07 December 2016, 08:01:21 UTC |
c78e710 | John David Anglin | 07 December 2016, 02:47:04 UTC | parisc: Purge TLB before setting PTE The attached change interchanges the order of purging the TLB and setting the corresponding page table entry. TLB purges are strongly ordered. It occurred to me one night that setting the PTE first might have subtle ordering issues on SMP machines and cause random memory corruption. A TLB lock guards the insertion of user TLB entries. So after the TLB is purged, a new entry can't be inserted until the lock is released. This ensures that the new PTE value is used when the lock is released. Since making this change, no random segmentation faults have been observed on the Debian hppa buildd servers. Signed-off-by: John David Anglin <dave.anglin@bell.net> Cc: <stable@vger.kernel.org> # v3.16+ Signed-off-by: Helge Deller <deller@gmx.de> | 07 December 2016, 07:56:40 UTC |
325896f | Dan Williams | 07 December 2016, 01:03:35 UTC | device-dax: fix private mapping restriction, permit read-only Hugh notes in response to commit 4cb19355ea19 "device-dax: fail all private mapping attempts": "I think that is more restrictive than you intended: haven't tried, but I believe it rejects a PROT_READ, MAP_SHARED, O_RDONLY fd mmap, leaving no way to mmap /dev/dax without write permission to it." Indeed it does restrict read-only mappings, switch to checking VM_MAYSHARE, not VM_SHARED. Cc: <stable@vger.kernel.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Pawel Lebioda <pawel.lebioda@intel.com> Fixes: 4cb19355ea19 ("device-dax: fail all private mapping attempts") Reported-by: Hugh Dickins <hughd@google.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> | 07 December 2016, 01:42:37 UTC |
a7de92d | Dan Williams | 05 December 2016, 21:43:25 UTC | tools/testing/nvdimm: unit test acpi_nfit_ctl() A recent flurry of bug discoveries in the nfit driver's DSM marshalling routine has highlighted the fact that we do not have unit test coverage for this routine. Add a self-test of acpi_nfit_ctl() routine before probing the "nfit_test.0" device. This mocks stimulus to acpi_nfit_ctl() and if any of the tests fail "nfit_test.0" will be unavailable causing the rest of the tests to not run / fail. This unit test will also be a place to land reproductions of quirky BIOS behavior discovered in the field and ensure the kernel does not regress against implementations it has seen in practice. Signed-off-by: Dan Williams <dan.j.williams@intel.com> | 07 December 2016, 01:42:36 UTC |
d6eb270 | Dan Williams | 06 December 2016, 23:06:55 UTC | acpi, nfit: fix bus vs dimm confusion in xlat_status Given dimms and bus commands share the same command number space we need to be careful that we are translating status in the correct context. Otherwise we can, for example, fail an ND_CMD_GET_CONFIG_SIZE command because max_xfer is zero. It fails because that condition erroneously correlates with the 'cleared == 0' failure of ND_CMD_CLEAR_ERROR. Cc: <stable@vger.kernel.org> Fixes: aef253382266 ("libnvdimm, nfit: centralize command status translation") Signed-off-by: Dan Williams <dan.j.williams@intel.com> | 07 December 2016, 00:30:37 UTC |
82aa37c | Dan Williams | 06 December 2016, 20:45:24 UTC | acpi, nfit: validate ars_status output buffer size If an ARS Status command returns truncated output, do not process partial records or otherwise consume non-status fields. Cc: <stable@vger.kernel.org> Fixes: 0caeef63e6d2 ("libnvdimm: Add a poison list and export badblocks") Signed-off-by: Dan Williams <dan.j.williams@intel.com> | 07 December 2016, 00:30:37 UTC |
efda1b5 | Dan Williams | 06 December 2016, 17:10:12 UTC | acpi, nfit, libnvdimm: fix / harden ars_status output length handling Given ambiguities in the ACPI 6.1 definition of the "Output (Size)" field of the ARS (Address Range Scrub) Status command, a firmware implementation may in practice return 0, 4, or 8 to indicate that there is no output payload to process. The specification states "Size of Output Buffer in bytes, including this field.". However, 'Output Buffer' is also the name of the entire payload, and earlier in the specification it states "Max Query ARS Status Output Buffer Size: Maximum size of buffer (including the Status and Extended Status fields)". Without this fix if the BIOS happens to return 0 it causes memory corruption as evidenced by this result from the acpi_nfit_ctl() unit test. ars_status00000000: 00020000 00000000 ........ BUG: stack guard page was hit at ffffc90001750000 (stack is ffffc9000174c000..ffffc9000174ffff) kernel stack overflow (page fault): 0000 [#1] SMP DEBUG_PAGEALLOC task: ffff8803332d2ec0 task.stack: ffffc9000174c000 RIP: 0010:[<ffffffff814cfe72>] [<ffffffff814cfe72>] __memcpy+0x12/0x20 RSP: 0018:ffffc9000174f9a8 EFLAGS: 00010246 RAX: ffffc9000174fab8 RBX: 0000000000000000 RCX: 000000001fffff56 RDX: 0000000000000000 RSI: ffff8803231f5a08 RDI: ffffc90001750000 RBP: ffffc9000174fa88 R08: ffffc9000174fab0 R09: ffff8803231f54b8 R10: 0000000000000008 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000003 R15: ffff8803231f54a0 FS: 00007f3a611af640(0000) GS:ffff88033ed00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90001750000 CR3: 0000000325b20000 CR4: 00000000000406e0 Stack: ffffffffa00bc60d 0000000000000008 ffffc90000000001 ffffc9000174faac 0000000000000292 ffffffffa00c24e4 ffffffffa00c2914 0000000000000000 0000000000000000 ffffffff00000003 ffff880331ae8ad0 0000000800000246 Call Trace: [<ffffffffa00bc60d>] ? acpi_nfit_ctl+0x49d/0x750 [nfit] [<ffffffffa01f4fe0>] nfit_test_probe+0x670/0xb1b [nfit_test] Cc: <stable@vger.kernel.org> Fixes: 747ffe11b440 ("libnvdimm, tools/testing/nvdimm: fix 'ars_status' output buffer sizing") Signed-off-by: Dan Williams <dan.j.williams@intel.com> | 07 December 2016, 00:08:10 UTC |
9a901f5 | Vishal Verma | 06 December 2016, 00:00:37 UTC | acpi, nfit: fix extended status translations for ACPI DSMs ACPI DSMs can have an 'extended' status which can be non-zero to convey additional information about the command. In the xlat_status routine, where we translate the command statuses, we were returning an error for a non-zero extended status, even if the primary status indicated success. Return from each command's 'case' once we have verified both its status and extend status are good. Cc: <stable@vger.kernel.org> Fixes: 11294d63ac91 ("nfit: fail DSMs that return non-zero status by default") Signed-off-by: Vishal Verma <vishal.l.verma@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> | 07 December 2016, 00:08:10 UTC |
bc3913a | Linus Torvalds | 06 December 2016, 17:24:11 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc Pull sparc fix from David Miller: "A use-before-NULL-check from Dan Carpenter" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: dbri: move dereference after check for NULL | 06 December 2016, 17:24:11 UTC |
163117e | Dan Carpenter | 01 December 2016, 05:48:30 UTC | dbri: move dereference after check for NULL We accidentally introduced a dereference before the NULL check in xmit_descs() as part of silencing a GCC warning. Fixes: 16f46050e709 ("dbri: Fix compiler warning") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 17:18:22 UTC |
da1b466 | Linus Torvalds | 06 December 2016, 17:06:51 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net Pull networking fixes from David Miller: 1) When dcbnl_cee_fill() fails to be able to push a new netlink attribute, it return 0 instead of an error code. From Pan Bian. 2) Two suffix handling fixes to FIB trie code, from Alexander Duyck. 3) bnxt_hwrm_stat_ctx_alloc() goes through all the trouble of setting and maintaining a return code 'rc' but fails to actually return it. Also from Pan Bian. 4) ping socket ICMP handler needs to validate ICMP header length, from Kees Cook. 5) caif_sktinit_module() has this interesting logic: int err = sock_register(...); if (!err) return err; return 0; Just return sock_register()'s return value directly which is the only possible correct thing to do. 6) Two bnx2x driver fixes from Yuval Mintz, return a reasonable estimate from get_ringparam() ethtool op when interface is down and avoid trying to use UDP port based tunneling on 577xx chips. 7) Fix ep93xx_eth crash on module unload from Florian Fainelli. 8) Missing uapi exports, from Stephen Hemminger. 9) Don't schedule work from sk_destruct(), because the socket will be freed upon return from that function. From Herbert Xu. 10) Buggy drivers, of which we know there is at least one, can send a huge packet into the TCP stack but forget to set the gso_size in the SKB, which causes all kinds of problems. Correct this when it happens, and emit a one-time warning with the device name included so that it can be diagnosed more easily. From Marcelo Ricardo Leitner. 11) virtio-net does DMA off the stack causes hiccups with VMAP_STACK, fix from Andy Lutomirski. 12) Fix fec driver compilation with CONFIG_M5272, from Nikita Yushchenko. 13) mlx5 fixes from Kamal Heib, Saeed Mahameed, and Mohamad Haj Yahia. (erroneously flushing queues on error, module parameter validation, etc) * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (34 commits) net/mlx5e: Change the SQ/RQ operational state to positive logic net/mlx5e: Don't flush SQ on error net/mlx5e: Don't notify HW when filling the edge of ICO SQ net/mlx5: Fix query ISSI flow net/mlx5: Remove duplicate pci dev name print net/mlx5: Verify module parameters net: fec: fix compile with CONFIG_M5272 be2net: Add DEVSEC privilege to SET_HSW_CONFIG command. virtio-net: Fix DMA-from-the-stack in virtnet_set_mac_address() tcp: warn on bogus MSS and try to amend it uapi glibc compat: fix outer guard of net device flags enum net: stmmac: clear reset value of snps, wr_osr_lmt/snps, rd_osr_lmt before writing netlink: Do not schedule work from sk_destruct uapi: export nf_log.h uapi: export tc_skbmod.h net: ep93xx_eth: Do not crash unloading module bnx2x: Prevent tunnel config for 577xx bnx2x: Correct ringparam estimate when DOWN isdn: hisax: set error code on failure net: bnx2x: fix improper return value ... | 06 December 2016, 17:06:51 UTC |
10d20bd | Linus Torvalds | 05 December 2016, 20:10:29 UTC | shmem: fix shm fallocate() list corruption The shmem hole punching with fallocate(FALLOC_FL_PUNCH_HOLE) does not want to race with generating new pages by faulting them in. However, the wait-queue used to delay the page faulting has a serious problem: the wait queue head (in shmem_fallocate()) is allocated on the stack, and the code expects that "wake_up_all()" will make sure that all the queue entries are gone before the stack frame is de-allocated. And that is not at all necessarily the case. Yes, a normal wake-up sequence will remove the wait-queue entry that caused the wakeup (see "autoremove_wake_function()"), but the key wording there is "that caused the wakeup". When there are multiple possible wakeup sources, the wait queue entry may well stay around. And _particularly_ in a page fault path, we may be faulting in new pages from user space while we also have other things going on, and there may well be other pending wakeups. So despite the "wake_up_all()", it's not at all guaranteed that all list entries are removed from the wait queue head on the stack. Fix this by introducing a new wakeup function that removes the list entry unconditionally, even if the target process had already woken up for other reasons. Use that "synchronous" function to set up the waiters in shmem_fault(). This problem has never been seen in the wild afaik, but Dave Jones has reported it on and off while running trinity. We thought we fixed the stack corruption with the blk-mq rq_list locking fix (commit 7fe311302f7d: "blk-mq: update hardware and software queues for sleeping alloc"), but it turns out there was _another_ stack corruptor hiding in the trinity runs. Vegard Nossum (also running trinity) was able to trigger this one fairly consistently, and made us look once again at the shmem code due to the faults often being in that area. Reported-and-tested-by: Vegard Nossum <vegard.nossum@oracle.com>. Reported-by: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 06 December 2016, 16:59:05 UTC |
32f16e1 | David S. Miller | 06 December 2016, 16:44:45 UTC | Merge branch 'mlx5-fixes' Saeed Mahameed says: ==================== Mellanox 100G mlx5 fixes 2016-12-04 Some bug fixes for mlx5 core and mlx5e driver. v1->v2: - replace "uint" with "unsigned int" ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 16:44:45 UTC |
c0f1147 | Mohamad Haj Yahia | 06 December 2016, 15:32:48 UTC | net/mlx5e: Change the SQ/RQ operational state to positive logic When using the negative logic (i.e. FLUSH state), after the RQ/SQ reopen we will have a time interval that the RQ/SQ is not really ready and the state indicates that its not in FLUSH state because the initial SQ/RQ struct memory starts as zeros. Now we changed the state to indicate if the SQ/RQ is opened and we will set the READY state after finishing preparing all the SQ/RQ resources. Fixes: 6e8dd6d6f4bd ("net/mlx5e: Don't wait for SQ completions on close") Fixes: f2fde18c52a7 ("net/mlx5e: Don't wait for RQ completions on close") Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 16:44:45 UTC |
3c8591d | Saeed Mahameed | 06 December 2016, 15:32:47 UTC | net/mlx5e: Don't flush SQ on error We are doing SQ descriptors cleanup in driver. Fixes: 6e8dd6d6f4bd ("net/mlx5e: Don't wait for SQ completions on close") Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 16:44:44 UTC |
b8335d9 | Saeed Mahameed | 06 December 2016, 15:32:46 UTC | net/mlx5e: Don't notify HW when filling the edge of ICO SQ We are going to do this a couple of steps ahead anyway. Fixes: d3c9bc2743dc ("net/mlx5e: Added ICO SQs") Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 16:44:44 UTC |
f9c14e4 | Kamal Heib | 06 December 2016, 15:32:45 UTC | net/mlx5: Fix query ISSI flow In old FWs query ISSI command is not supported and for some of those FWs it might fail with status other than "MLX5_CMD_STAT_BAD_OP_ERR". In such case instead of failing the driver load, we will treat any FW status other than 0 for Query ISSI FW command as ISSI not supported and assume ISSI=0 (most basic driver/FW interface). In case of driver syndrom (query ISSI failure by driver) we will fail driver load. Fixes: f62b8bb8f2d3 ('net/mlx5: Extend mlx5_core to support ConnectX-4 Ethernet functionality') Signed-off-by: Kamal Heib <kamalh@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 16:44:44 UTC |
9e5b2fc | Kamal Heib | 06 December 2016, 15:32:44 UTC | net/mlx5: Remove duplicate pci dev name print Remove duplicate pci dev name printing from mlx5_core_warn/dbg. Fixes: 5a7883989b1c ('net/mlx5_core: Improve mlx5 messages') Signed-off-by: Kamal Heib <kamalh@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 16:44:43 UTC |
f663ad9 | Kamal Heib | 06 December 2016, 15:32:43 UTC | net/mlx5: Verify module parameters Verify the mlx5_core module parameters by making sure that they are in the expected range and if they aren't restore them to their default values. Fixes: 9603b61de1ee ('mlx5: Move pci device handling from mlx5_ib to mlx5_core') Signed-off-by: Kamal Heib <kamalh@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 16:44:43 UTC |
f85de66 | Nikita Yushchenko | 06 December 2016, 06:26:53 UTC | net: fec: fix compile with CONFIG_M5272 Commit 80cca775cdc4 ("net: fec: cache statistics while device is down") introduced unconditional statistics-related actions. However, when driver is compiled with CONFIG_M5272, staticsics-related definitions do not exist, which results into build errors. Fix that by adding explicit handling of !defined(CONFIG_M5272) case. Fixes: 80cca775cdc4 ("net: fec: cache statistics while device is down") Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 16:40:15 UTC |
d14584d | Venkat Duvvuru | 06 December 2016, 05:33:50 UTC | be2net: Add DEVSEC privilege to SET_HSW_CONFIG command. OPCODE_COMMON_GET_FN_PRIVILEGES is returning only DEVSEC privilege (Unrestricted Administrative Privilege) for Lancer NIC functions. So, driver is failing SET_HSW_CONFIG command, as DEVSEC privilege was not set in the privilege bitmap. This patch fixes the problem by setting DEVSEC privilege in SET_HSW_CONFIG’s privilege bitmap. Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com> Signed-off-by: Suresh Reddy <suresh.reddy@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 16:39:41 UTC |
e37e2ff | Andy Lutomirski | 06 December 2016, 02:10:58 UTC | virtio-net: Fix DMA-from-the-stack in virtnet_set_mac_address() With CONFIG_VMAP_STACK=y, virtnet_set_mac_address() can be passed a pointer to the stack and it will OOPS. Copy the address to the heap to prevent the crash. Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Laura Abbott <labbott@redhat.com> Reported-by: zbyszek@in.waw.pl Signed-off-by: Andy Lutomirski <luto@kernel.org> Acked-by: Jason Wang <jasowang@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 16:38:43 UTC |
dcb17d2 | Marcelo Ricardo Leitner | 05 December 2016, 20:37:13 UTC | tcp: warn on bogus MSS and try to amend it There have been some reports lately about TCP connection stalls caused by NIC drivers that aren't setting gso_size on aggregated packets on rx path. This causes TCP to assume that the MSS is actually the size of the aggregated packet, which is invalid. Although the proper fix is to be done at each driver, it's often hard and cumbersome for one to debug, come to such root cause and report/fix it. This patch amends this situation in two ways. First, it adds a warning on when this situation occurs, so it gives a hint to those trying to debug this. It also limit the maximum probed MSS to the adverised MSS, as it should never be any higher than that. The result is that the connection may not have the best performance ever but it shouldn't stall, and the admin will have a hint on what to look for. Tested with virtio by forcing gso_size to 0. v2: updated msg per David's suggestion v3: use skb_iif to find the interface and also log its name, per Eric Dumazet's suggestion. As the skb may be backlogged and the interface gone by then, we need to check if the number still has a meaning. v4: use helper tcp_gro_dev_warn() and avoid pr_warn_once inside __once, per David's suggestion Cc: Jonathan Maxwell <jmaxwell37@gmail.com> Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 16:01:19 UTC |
efc4515 | Jonas Gorski | 03 December 2016, 16:31:45 UTC | uapi glibc compat: fix outer guard of net device flags enum Fix a wrong condition preventing the higher net device flags IFF_LOWER_UP etc to be defined if net/if.h is included before linux/if.h. The comment makes it clear the intention was to allow partial definition with either parts. This fixes compilation of userspace programs trying to use IFF_LOWER_UP, IFF_DORMANT or IFF_ECHO. Fixes: 4a91cb61bb99 ("uapi glibc compat: fix compile errors when glibc net/if.h included before linux/if.h") Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> Reviewed-by: Mikko Rapeli <mikko.rapeli@iki.fi> Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 15:43:32 UTC |
6b3374c | Niklas Cassel | 05 December 2016, 17:12:54 UTC | net: stmmac: clear reset value of snps, wr_osr_lmt/snps, rd_osr_lmt before writing WR_OSR_LMT and RD_OSR_LMT have a reset value of 1. Since the reset value wasn't cleared before writing, the value in the register would be incorrect if specifying an uneven value for snps,wr_osr_lmt/snps,rd_osr_lmt. Zero is a valid value for the properties, since the databook specifies: maximum outstanding requests = WR_OSR_LMT + 1. We do not want to change the behavior for existing users when the property is missing. Therefore, default to 1 if the property is missing, since that is the same as the reset value. Signed-off-by: Niklas Cassel <niklas.cassel@axis.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 15:33:48 UTC |
c01638f | Miklos Szeredi | 06 December 2016, 15:18:45 UTC | fuse: fix clearing suid, sgid for chown() Basically, the pjdfstests set the ownership of a file to 06555, and then chowns it (as root) to a new uid/gid. Prior to commit a09f99eddef4 ("fuse: fix killing s[ug]id in setattr"), fuse would send down a setattr with both the uid/gid change and a new mode. Now, it just sends down the uid/gid change. Technically this is NOTABUG, since POSIX doesn't _require_ that we clear these bits for a privileged process, but Linux (wisely) has done that and I think we don't want to change that behavior here. This is caused by the use of should_remove_suid(), which will always return 0 when the process has CAP_FSETID. In fact we really don't need to be calling should_remove_suid() at all, since we've already been indicated that we should remove the suid, we just don't want to use a (very) stale mode for that. This patch should fix the above as well as simplify the logic. Reported-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Fixes: a09f99eddef4 ("fuse: fix killing s[ug]id in setattr") Cc: <stable@vger.kernel.org> Reviewed-by: Jeff Layton <jlayton@redhat.com> | 06 December 2016, 15:18:45 UTC |
f943fe0 | Dmitry Vyukov | 28 November 2016, 14:24:43 UTC | lockdep: Fix report formatting Since commit: 4bcc595ccd80 ("printk: reinstate KERN_CONT for printing continuation lines") printk() requires KERN_CONT to continue log messages. Lots of printk() in lockdep.c and print_ip_sym() don't have it. As the result lockdep reports are completely messed up. Add missing KERN_CONT and inline print_ip_sym() where necessary. Example of a messed up report: 0-rc5+ #41 Not tainted ------------------------------------------------------- syz-executor0/5036 is trying to acquire lock: ( rtnl_mutex ){+.+.+.} , at: [<ffffffff86b3d6ac>] rtnl_lock+0x1c/0x20 but task is already holding lock: ( &net->packet.sklist_lock ){+.+...} , at: [<ffffffff873541a6>] packet_diag_dump+0x1a6/0x1920 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 ( &net->packet.sklist_lock +.+...} ... Without this patch all scripts that parse kernel bug reports are broken. Signed-off-by: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: andreyknvl@google.com Cc: aryabinin@virtuozzo.com Cc: joe@perches.com Cc: syzkaller@googlegroups.com Link: http://lkml.kernel.org/r/1480343083-48731-1-git-send-email-dvyukov@google.com Signed-off-by: Ingo Molnar <mingo@kernel.org> | 06 December 2016, 09:40:08 UTC |
8fc31ce | David Carrillo-Cisneros | 04 December 2016, 08:46:17 UTC | perf/core: Remove invalid warning from list_update_cgroup_even()t The warning introduced in commit: 864c2357ca89 ("perf/core: Do not set cpuctx->cgrp for unscheduled cgroups") assumed that a cgroup switch always precedes list_del_event. This is not the case. Remove warning. Make sure that cpuctx->cgrp is NULL until a cgroup event is sched in or ctx->nr_cgroups == 0. Signed-off-by: David Carrillo-Cisneros <davidcc@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Borislav Petkov <bp@suse.de> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Kan Liang <kan.liang@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Nilay Vaish <nilayvaish@gmail.com> Cc: Paul Turner <pjt@google.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi V Shankar <ravi.v.shankar@intel.com> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vegard Nossum <vegard.nossum@gmail.com> Cc: Vikas Shivappa <vikas.shivappa@linux.intel.com> Cc: Vince Weaver <vincent.weaver@maine.edu> Link: http://lkml.kernel.org/r/1480841177-27299-1-git-send-email-davidcc@google.com Signed-off-by: Ingo Molnar <mingo@kernel.org> | 06 December 2016, 08:44:29 UTC |
7f612a7 | Peter Zijlstra (Intel) | 29 November 2016, 20:33:28 UTC | perf/x86: Fix full width counter, counter overflow Lukasz reported that perf stat counters overflow handling is broken on KNL/SLM. Both these parts have full_width_write set, and that does indeed have a problem. In order to deal with counter wrap, we must sample the counter at at least half the counter period (see also the sampling theorem) such that we can unambiguously reconstruct the count. However commit: 069e0c3c4058 ("perf/x86/intel: Support full width counting") sets the sampling interval to the full period, not half. Fixing that exposes another issue, in that we must not sign extend the delta value when we shift it right; the counter cannot have decremented after all. With both these issues fixed, counter overflow functions correctly again. Reported-by: Lukasz Odzioba <lukasz.odzioba@intel.com> Tested-by: Liang, Kan <kan.liang@intel.com> Tested-by: Odzioba, Lukasz <lukasz.odzioba@intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: stable@vger.kernel.org Fixes: 069e0c3c4058 ("perf/x86/intel: Support full width counting") Signed-off-by: Ingo Molnar <mingo@kernel.org> | 06 December 2016, 08:44:28 UTC |
1dba23b | Piotr Luc | 01 December 2016, 00:08:53 UTC | perf/x86/intel: Enable C-state residency events for Knights Mill The Knights Mill is enough close to Knights Landing so the path reuses C-state residency support of the latter. Signed-off-by: Piotr Luc <piotr.luc@intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Link: http://lkml.kernel.org/r/20161201000853.18260-1-piotr.luc@intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org> | 06 December 2016, 08:44:27 UTC |
69042bf | Jiri Slaby | 05 December 2016, 10:55:51 UTC | objtool: Fix bytes check of lea's rex_prefix For the "lea %(rsp), %rbp" case, we check if there is a rex_prefix. But we check 'bytes' which is insn_byte_t[4] in rex_prefix (insn_field structure). Therefore, the check is always true. Instead, check 'nbytes' which is the right one. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20161205105551.25917-1-jslaby@suse.cz Signed-off-by: Ingo Molnar <mingo@kernel.org> | 06 December 2016, 08:20:59 UTC |
ed5d778 | Herbert Xu | 05 December 2016, 07:28:21 UTC | netlink: Do not schedule work from sk_destruct It is wrong to schedule a work from sk_destruct using the socket as the memory reserve because the socket will be freed immediately after the return from sk_destruct. Instead we should do the deferral prior to sk_free. This patch does just that. Fixes: 707693c8a498 ("netlink: Call cb->done from a worker thread") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Tested-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 00:43:42 UTC |
ffe3bb8 | stephen hemminger | 02 December 2016, 22:54:00 UTC | uapi: export nf_log.h File is in uapi directory but not being copied on make install_headers Fixes commit 4ec9c8fbbc22 ("netfilter: nft_log: complete NFTA_LOG_FLAGS attr support"). Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 06 December 2016, 00:43:02 UTC |