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Revision | Author | Date | Message | Commit Date |
---|---|---|---|---|
fa389e2 | Linus Torvalds | 10 March 2014, 02:41:57 UTC | Linux 3.14-rc6 | 10 March 2014, 02:41:57 UTC |
79e6154 | Linus Torvalds | 10 March 2014, 02:27:31 UTC | Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from from Olof Johansson: "A collection of fixes for ARM platforms. A little large due to us missing to do one last week, but there's nothing in particular here that is in itself large and scary. Mostly a handful of smaller fixes all over the place. The majority is made up of fixes for OMAP, but there are a few for others as well. In particular, there was a decision to rename a binding for the Broadcom pinctrl block that we need to go in before the final release since we then treat it as ABI" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: dts: omap3-gta04: Add ti,omap36xx to compatible property to avoid problems with booting ARM: tegra: add LED options back into tegra_defconfig ARM: dts: omap3-igep: fix boot fail due wrong compatible match ARM: OMAP3: Fix pinctrl interrupts for core2 pinctrl: Rename Broadcom Capri pinctrl binding pinctrl: refer to updated dt binding string. Update dtsi with new pinctrl compatible string ARM: OMAP: Kill warning in CPUIDLE code with !CONFIG_SMP ARM: OMAP2+: Add support for thumb mode on DT booted N900 ARM: OMAP2+: clock: fix clkoutx2 with CLK_SET_RATE_PARENT ARM: OMAP4: hwmod: Fix SOFTRESET logic for OMAP4 ARM: DRA7: hwmod data: correct the sysc data for spinlock ARM: OMAP5: PRM: Fix reboot handling ARM: sunxi: dt: Change the touchscreen compatibles ARM: sun7i: dt: Fix interrupt trigger types | 10 March 2014, 02:27:31 UTC |
fe9ea91 | Linus Torvalds | 10 March 2014, 02:17:39 UTC | Merge tag 'nfs-for-3.14-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs Pull NFS client bugfixes from Trond Myklebust: "Highlights include: - Fix another nfs4_sequence corruptor in RELEASE_LOCKOWNER - Fix an Oopsable delegation callback race - Fix another bad stateid infinite loop - Fail the data server I/O is the stateid represents a lost lock - Fix an Oopsable sunrpc trace event" * tag 'nfs-for-3.14-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: SUNRPC: Fix oops when trace sunrpc_task events in nfs client NFSv4: Fail the truncate() if the lock/open stateid is invalid NFSv4.1 Fail data server I/O if stateid represents a lost lock NFSv4: Fix the return value of nfs4_select_rw_stateid NFSv4: nfs4_stateid_is_current should return 'true' for an invalid stateid NFS: Fix a delegation callback race NFSv4: Fix another nfs4_sequence corruptor | 10 March 2014, 02:17:39 UTC |
cf8bf7c | Linus Torvalds | 10 March 2014, 01:59:14 UTC | Merge tag 'usb-3.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are 4 USB fixes for your current tree. Two of them are reverts to hopefully resolve the nasty XHCI regressions we have been having on some types of devices. The other two are quirks for some Logitech video devices" * tag 'usb-3.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: Revert "USBNET: ax88179_178a: enable tso if usb host supports sg dma" Revert "xhci 1.0: Limit arbitrarily-aligned scatter gather." usb: Make DELAY_INIT quirk wait 100ms between Get Configuration requests usb: Add device quirk for Logitech HD Pro Webcams C920 and C930e | 10 March 2014, 01:59:14 UTC |
a491ce7 | Linus Torvalds | 10 March 2014, 01:58:27 UTC | Merge tag 'staging-3.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver tree fix from Greg KH: "Here is a single staging driver fix for your tree. It resolves an issue with arbritary writes to memory if a specific driver is loaded" * tag 'staging-3.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging/cxt1e1/linux.c: Correct arbitrary memory write in c4_ioctl() | 10 March 2014, 01:58:27 UTC |
979e0d7 | David Howells | 09 March 2014, 08:21:58 UTC | KEYS: Make the keyring cycle detector ignore other keyrings of the same name This fixes CVE-2014-0102. The following command sequence produces an oops: keyctl new_session i=`keyctl newring _ses @s` keyctl link @s $i The problem is that search_nested_keyrings() sees two keyrings that have matching type and description, so keyring_compare_object() returns true. s_n_k() then passes the key to the iterator function - keyring_detect_cycle_iterator() - which *should* check to see whether this is the keyring of interest, not just one with the same name. Because assoc_array_find() will return one and only one match, I assumed that the iterator function would only see an exact match or never be called - but the iterator isn't only called from assoc_array_find()... The oops looks something like this: kernel BUG at /data/fs/linux-2.6-fscache/security/keys/keyring.c:1003! invalid opcode: 0000 [#1] SMP ... RIP: keyring_detect_cycle_iterator+0xe/0x1f ... Call Trace: search_nested_keyrings+0x76/0x2aa __key_link_check_live_key+0x50/0x5f key_link+0x4e/0x85 keyctl_keyring_link+0x60/0x81 SyS_keyctl+0x65/0xe4 tracesys+0xdd/0xe2 The fix is to make keyring_detect_cycle_iterator() check that the key it has is the key it was actually looking for rather than calling BUG_ON(). A testcase has been included in the keyutils testsuite for this: http://git.kernel.org/cgit/linux/kernel/git/dhowells/keyutils.git/commit/?id=891f3365d07f1996778ade0e3428f01878a1790b Reported-by: Tommi Rantala <tt.rantala@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: James Morris <james.l.morris@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 10 March 2014, 01:57:18 UTC |
1dc3217 | Linus Torvalds | 09 March 2014, 20:52:53 UTC | Merge branch 'for-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux Pull thermal fixes from Zhang Rui: "Specifics: - Update the help text of INT3403 Thermal driver, which was not friendly to users. From Zhang Rui. - The "type" sysfs attribute of x86_pkg_temp_thermal registered thermal zones includes an instance number, which makes the thermal-to-hwmon bridge fails to group them all in a single hwmon device. Fixed by Jean Delvare. - The hwmon device registered by x86_pkg_temp_thermal driver is redundant because the temperature value reported by x86_pkg_temp_thermal is already reported by the coretemp driver. Fixed by Jean Delvare. - Fix a problem that the cooling device can not be updated properly if it is initialized at max cooling state. From Ni Wade. - Fix a problem that OF registered thermal zones are running without thermal governors. From Zhang Rui. - Commit beeb5a1e0ef7 ("thermal: rcar-thermal: Enable driver compilation with COMPILE_TEST") broke build on archs wihout io memory. Thus make it depend on HAS_IOMEM to bypass build failures. Fixed by Richard Weinberger" * 'for-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: Thermal: thermal zone governor fix Thermal: Allow first update of cooling device state thermal,rcar_thermal: Add dependency on HAS_IOMEM x86_pkg_temp_thermal: Fix the thermal zone type x86_pkg_temp_thermal: Do not expose as a hwmon device Thermal: update INT3404 thermal driver help text | 09 March 2014, 20:52:53 UTC |
4aa41ba | Linus Torvalds | 09 March 2014, 20:51:47 UTC | Merge tag 'spi-v3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi Pull spi fixes from Mark Brown: "A scattering of driver specific fixes here. The fixes from Axel cover bitrot in apparently unmaintained drivers, the at79 bug is fixing a glitch on /CS during initialisation of some devices which could break some slaves and the remainder are fixes for recently introduced bugs from the past release cycle or so" * tag 'spi-v3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: atmel: add missing spi_master_{resume,suspend} calls to PM callbacks spi: coldfire-qspi: Fix getting correct address for *mcfqspi spi: fsl-dspi: Fix getting correct address for master spi: spi-ath79: fix initial GPIO CS line setup spi: spi-imx: spi_imx_remove: do not disable disabled clocks spi-topcliff-pch: Fix probing when DMA mode is used spi/topcliff-pch: Fix DMA channel | 09 March 2014, 20:51:47 UTC |
66a523d | Linus Torvalds | 09 March 2014, 20:50:14 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending Pull SCSI target fixes from Nicholas Bellinger: "This series addresses a number of outstanding issues wrt to active I/O shutdown using iser-target. This includes: - Fix a long standing tpg_state bug where a tpg could be referenced during explicit shutdown (v3.1+ stable) - Use list_del_init for iscsi_cmd->i_conn_node so list_empty checks work as expected (v3.10+ stable) - Fix a isert_conn->state related hung task bug + ensure outstanding I/O completes during session shutdown. (v3.10+ stable) - Fix isert_conn->post_send_buf_count accounting for RDMA READ/WRITEs (v3.10+ stable) - Ignore FRWR completions during active I/O shutdown (v3.12+ stable) - Fix command leakage for interrupt coalescing during active I/O shutdown (v3.13+ stable) Also included is another DIF emulation fix from Sagi specific to v3.14-rc code" * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: Target/sbc: Fix sbc_copy_prot for offset scatters iser-target: Fix command leak for tx_desc->comp_llnode_batch iser-target: Ignore completions for FRWRs in isert_cq_tx_work iser-target: Fix post_send_buf_count for RDMA READ/WRITE iscsi/iser-target: Fix isert_conn->state hung shutdown issues iscsi/iser-target: Use list_del_init for ->i_conn_node iscsi-target: Fix iscsit_get_tpg_from_np tpg_state bug | 09 March 2014, 20:50:14 UTC |
4c7b704 | Rafael J. Wysocki | 09 March 2014, 17:30:50 UTC | Revert "ACPI / sleep: pm_power_off needs more sanity checks to be installed" Revert commit 3130497f5bab ("ACPI / sleep: pm_power_off needs more sanity checks to be installed") that breaks power ACPI power off on a lot of systems, because it checks wrong registers. Fixes: 3130497f5bab ("ACPI / sleep: pm_power_off needs more sanity checks to be installed") Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 09 March 2014, 20:48:36 UTC |
1055464 | Olof Johansson | 09 March 2014, 06:56:31 UTC | Merge tag 'omap-for-v3.14/fixes-dt-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes From Tony Lindgren: Two omap3430 vs 3630 device tree regression fixes for issues booting 3430 based boards. * tag 'omap-for-v3.14/fixes-dt-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: dts: omap3-gta04: Add ti,omap36xx to compatible property to avoid problems with booting ARM: dts: omap3-igep: fix boot fail due wrong compatible match Signed-off-by: Olof Johansson <olof@lixom.net> | 09 March 2014, 06:56:31 UTC |
4058f76 | Olof Johansson | 09 March 2014, 06:11:16 UTC | Merge tag 'bcm-for-3.14-pinctrl-reduced-rename' of git://github.com/broadcom/bcm11351 into fixes Merge 'bcm pinctrl rename' From Christin Daudt: Rename pinctrl dt binding to restore consistency with other bcm mobile bindings. * tag 'bcm-for-3.14-pinctrl-reduced-rename' of git://github.com/broadcom/bcm11351: pinctrl: Rename Broadcom Capri pinctrl binding pinctrl: refer to updated dt binding string. Update dtsi with new pinctrl compatible string + Linux 3.14-rc4 Signed-off-by: Olof Johansson <olof@lixom.net> | 09 March 2014, 06:11:16 UTC |
614cd4a | Olof Johansson | 09 March 2014, 06:09:23 UTC | Merge tag 'sunxi-fixes-for-3.14' of https://github.com/mripard/linux into fixes Allwinner fixes from Maxime Ripard: Two fixes for device trees additions that got added in 3.14. One fixes the interrupt types of some IPs, the other fixes up a compatible that got introduced during 3.14 * tag 'sunxi-fixes-for-3.14' of https://github.com/mripard/linux: ARM: sunxi: dt: Change the touchscreen compatibles ARM: sun7i: dt: Fix interrupt trigger types Signed-off-by: Olof Johansson <olof@lixom.net> | 09 March 2014, 06:09:23 UTC |
ca62eec | Linus Torvalds | 08 March 2014, 19:57:38 UTC | Merge branch 'for-3.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup fixes from Tejun Heo: "Two cpuset locking fixes from Li. Both tagged for -stable" * 'for-3.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cpuset: fix a race condition in __cpuset_node_allowed_softwall() cpuset: fix a locking issue in cpuset_migrate_mm() | 08 March 2014, 19:57:38 UTC |
15b0485 | Linus Torvalds | 08 March 2014, 19:52:45 UTC | Merge branch 'for-3.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata Pull libata fixes from Tejun Heo: "Just a couple patches blacklisting more broken devices" * 'for-3.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: libata: add ATA_HORKAGE_BROKEN_FPDMA_AA quirk for Seagate Momentus SpinPoint M8 (2BA30001) libata: disable queued TRIM for Crucial M500 mSATA SSDs | 08 March 2014, 19:52:45 UTC |
9f93585 | Linus Torvalds | 08 March 2014, 19:51:13 UTC | Merge branch 'for-3.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull workqueue fix from Tejun Heo: "This pull request contains a workqueue usage fix for firewire. For quite a long time now, workqueue only treats two work items identical iff both their addresses and callbacks match. This is to avoid introducing false dependency through the work item being recycled while being executed. This changes non-reentrancy guarantee for the users of PREPARE[_DELAYED]_WORK() - if the function changes, reentrancy isn't guaranteed against the previous instance. Firewire depended on such nonreentrancy guarantee. This is fixed by doing the work item multiplexing from firewire proper while keeping the work function unchanged" * 'for-3.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: firewire: don't use PREPARE_DELAYED_WORK | 08 March 2014, 19:51:13 UTC |
85ec688 | Linus Torvalds | 08 March 2014, 18:52:43 UTC | Merge tag 'firewire-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394 Pull firewire fixes from Stefan Richter: "Fix a use-after-free regression since v3.4 and an initialization regression since v3.10" * tag 'firewire-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: firewire: ohci: fix probe failure with Agere/LSI controllers firewire: net: fix use after free | 08 March 2014, 18:52:43 UTC |
7bffc48 | Linus Torvalds | 08 March 2014, 18:51:30 UTC | Merge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux Pull clk driver fix from Mike Turquette: "Single fix for a clock driver merged in 3.14-rc1. Without this fix the CPU frequency cannot be scaled" * tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux: clk: shmobile: rcar-gen2: Use kick bit to allow Z clock frequency change | 08 March 2014, 18:51:30 UTC |
abfba60 | Linus Torvalds | 08 March 2014, 17:17:27 UTC | Merge tag 'pm+acpi-3.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI and power management fixes from Rafael Wysocki: - ACPI tables in some BIOSes list device resources with size equal to 0, which doesn't make sense, so we should ignore them, but instead we try to use them and mangle things completely. Fix from Zhang Rui. - Several models of Samsung laptops accumulate EC events when they are in sleep states which leads to EC buffer overflows that prevent new events from being signaled after system resume or reboot. This has been affecting many users for quite a while and may be addressed by clearing the EC buffer during system resume and system startup on those machines. From Kieran Clancy. - If the ACPI sleep control and status registers are not present (which happens if the Hardware Reduced ACPI mode bit is set in the ACPI tables, but also may result from BIOS bugs), we should not try to use ACPI to power off the system and ACPI S5 should not be listed as supported. Fix from Aubrey Li. - There's a race condition in cpufreq_get() that leads to a kernel crash if that function is called at a wrong time. Fix from Aaron Plattner. - cpufreq policy objects have to be initialized entirely before they are first accessed by their users which isn't the case currently and that potentially leads to various kinds of breakage that is difficult to debug. Fix from Viresh Kumar. - Locking is missing in __cpufreq_add_dev() which leads to a race condition that may trigger a kernel crash. Fix from Viresh Kumar. * tag 'pm+acpi-3.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / EC: Clear stale EC events on Samsung systems cpufreq: Initialize governor for a new policy under policy->rwsem cpufreq: Initialize policy before making it available for others to use cpufreq: use cpufreq_cpu_get() to avoid cpufreq_get() race conditions ACPI / sleep: pm_power_off needs more sanity checks to be installed ACPI / resources: ignore invalid ACPI device resources | 08 March 2014, 17:17:27 UTC |
b01d4e6 | Linus Torvalds | 08 March 2014, 02:58:40 UTC | x86: fix compile error due to X86_TRAP_NMI use in asm files It's an enum, not a #define, you can't use it in asm files. Introduced in commit 5fa10196bdb5 ("x86: Ignore NMIs that come in during early boot"), and sadly I didn't compile-test things like I should have before pushing out. My weak excuse is that the x86 tree generally doesn't introduce stupid things like this (and the ARM pull afterwards doesn't cause me to do a compile-test either, since I don't cross-compile). Cc: Don Zickus <dzickus@redhat.com> Cc: H. Peter Anvin <hpa@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 08 March 2014, 02:58:40 UTC |
4d7eaa1 | Linus Torvalds | 08 March 2014, 01:39:32 UTC | Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm Pull ARM fixes from Russell King: "A number of ARM updates for -rc, covering mostly ARM specific code, but with one change to modpost.c to allow Thumb section mismatches to be detected. ARM changes include reporting when an attempt is made to boot a LPAE kernel on hardware which does not support LPAE, rather than just being silent about it. A number of other minor fixes are included too" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: 7992/1: boot: compressed: ignore bswapsdi2.S ARM: 7991/1: sa1100: fix compile problem on Collie ARM: fix noMMU kallsyms symbol filtering ARM: 7980/1: kernel: improve error message when LPAE config doesn't match CPU ARM: 7964/1: Detect section mismatches in thumb relocations ARM: 7963/1: mm: report both sections from PMD | 08 March 2014, 01:39:32 UTC |
95648c0 | Linus Torvalds | 08 March 2014, 01:38:36 UTC | Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Peter Anvin: "A small collection of minor fixes. The FPU stuff is still pending, I fear. I haven't heard anything from Suresh so I suspect I'm going to have to dig into the init specifics myself and fix up the patchset" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Ignore NMIs that come in during early boot x86, trace: Further robustify CR2 handling vs tracing x86, trace: Fix CR2 corruption when tracing page faults x86/efi: Quirk out SGI UV | 08 March 2014, 01:38:36 UTC |
9579f10 | Linus Torvalds | 08 March 2014, 01:37:45 UTC | Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc Pull power fixes from Ben Herrenschmidt: "Here are a couple of powerpc fixes for 3.14. One is (another!) nasty TM problem, we can crash the kernel by forking inside a transaction. The other one is a simple fix for an alignment issue which can hurt in LE mode" * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc: Align p_dyn, p_rela and p_st symbols powerpc/tm: Fix crash when forking inside a transaction | 08 March 2014, 01:37:45 UTC |
721f0c1 | Linus Torvalds | 08 March 2014, 00:32:40 UTC | Merge tag 'trace-fixes-v3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fix from Steven Rostedt: "In the past, I've had lots of reports about trace events not working. Developers would say they put a trace_printk() before and after the trace event but when they enable it (and the trace event said it was enabled) they would see the trace_printks but not the trace event. I was not able to reproduce this, but that's because I wasn't looking at the right location. Recently, another bug came up that showed the issue. If your kernel supports signed modules but allows for non-signed modules to be loaded, then when one is, the kernel will silently set the MODULE_FORCED taint on the module. Although, this taint happens without the need for insmod --force or anything of the kind, it labels the module with that taint anyway. If this tainted module has tracepoints, the tracepoints will be ignored because of the MODULE_FORCED taint. But no error message will be displayed. Worse yet, the event infrastructure will still be created letting users enable the trace event represented by the tracepoint, although that event will never actually be enabled. This is because the tracepoint infrastructure allows for non-existing tracepoints to be enabled for new modules to arrive and have their tracepoints set. Although there are several things wrong with the above, this change only addresses the creation of the trace event files for tracepoints that are not created when a module is loaded and is tainted. This change will print an error message about the module being tainted and not the trace events will not be created, and it does not create the trace event infrastructure" * tag 'trace-fixes-v3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Do not add event files for modules that fail tracepoints | 08 March 2014, 00:32:40 UTC |
27ea0f7 | Linus Torvalds | 08 March 2014, 00:31:41 UTC | Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Thomas Gleixner: - a bugfix for a long standing waitqueue race - a trivial fix for a missing include * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Include missing header file in irqdomain.c genirq: Remove racy waitqueue_active check | 08 March 2014, 00:31:41 UTC |
2ca310f | Ditang Chen | 07 March 2014, 05:27:57 UTC | SUNRPC: Fix oops when trace sunrpc_task events in nfs client When tracking sunrpc_task events in nfs client, the clnt pointer may be NULL. [ 139.269266] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004 [ 139.269915] IP: [<ffffffffa026f216>] ftrace_raw_event_rpc_task_running+0x86/0xf0 [sunrpc] [ 139.269915] PGD 1d293067 PUD 1d294067 PMD 0 [ 139.269915] Oops: 0000 [#1] SMP [ 139.269915] Modules linked in: nfsv4 dns_resolver nfs lockd sunrpc fscache sg ppdev e1000 serio_raw pcspkr parport_pc parport i2c_piix4 i2c_core microcode xfs libcrc32c sd_mod sr_mod cdrom ata_generic crc_t10dif crct10dif_common pata_acpi ahci libahci ata_piix libata dm_mirror dm_region_hash dm_log dm_mod [ 139.269915] CPU: 0 PID: 59 Comm: kworker/0:2 Not tainted 3.10.0-84.el7.x86_64 #1 [ 139.269915] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [ 139.269915] Workqueue: rpciod rpc_async_schedule [sunrpc] [ 139.269915] task: ffff88001b598000 ti: ffff88001b632000 task.ti: ffff88001b632000 [ 139.269915] RIP: 0010:[<ffffffffa026f216>] [<ffffffffa026f216>] ftrace_raw_event_rpc_task_running+0x86/0xf0 [sunrpc] [ 139.269915] RSP: 0018:ffff88001b633d70 EFLAGS: 00010206 [ 139.269915] RAX: ffff88001dfc5338 RBX: ffff88001cc37a00 RCX: ffff88001dfc5334 [ 139.269915] RDX: ffff88001dfc5338 RSI: 0000000000000000 RDI: ffff88001dfc533c [ 139.269915] RBP: ffff88001b633db0 R08: 000000000000002c R09: 000000000000000a [ 139.269915] R10: 0000000000062180 R11: 00000020759fb9dc R12: ffffffffa0292c20 [ 139.269915] R13: ffff88001dfc5334 R14: 0000000000000000 R15: 0000000000000000 [ 139.269915] FS: 0000000000000000(0000) GS:ffff88001fc00000(0000) knlGS:0000000000000000 [ 139.269915] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 139.269915] CR2: 0000000000000004 CR3: 000000001d290000 CR4: 00000000000006f0 [ 139.269915] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 139.269915] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 139.269915] Stack: [ 139.269915] 000000001b633d98 0000000000000246 ffff88001df1dc00 ffff88001cc37a00 [ 139.269915] ffff88001bc35e60 0000000000000000 ffff88001ffa0a48 ffff88001bc35ee0 [ 139.269915] ffff88001b633e08 ffffffffa02704b5 0000000000010000 ffff88001cc37a70 [ 139.269915] Call Trace: [ 139.269915] [<ffffffffa02704b5>] __rpc_execute+0x1d5/0x400 [sunrpc] [ 139.269915] [<ffffffffa0270706>] rpc_async_schedule+0x26/0x30 [sunrpc] [ 139.269915] [<ffffffff8107867b>] process_one_work+0x17b/0x460 [ 139.269915] [<ffffffff8107942b>] worker_thread+0x11b/0x400 [ 139.269915] [<ffffffff81079310>] ? rescuer_thread+0x3e0/0x3e0 [ 139.269915] [<ffffffff8107fc80>] kthread+0xc0/0xd0 [ 139.269915] [<ffffffff8107fbc0>] ? kthread_create_on_node+0x110/0x110 [ 139.269915] [<ffffffff815d122c>] ret_from_fork+0x7c/0xb0 [ 139.269915] [<ffffffff8107fbc0>] ? kthread_create_on_node+0x110/0x110 [ 139.269915] Code: 4c 8b 45 c8 48 8d 7d d0 89 4d c4 41 89 c9 b9 28 00 00 00 e8 9d b4 e9 e0 48 85 c0 49 89 c5 74 a2 48 89 c7 e8 9d 3f e9 e0 48 89 c2 <41> 8b 46 04 48 8b 7d d0 4c 89 e9 4c 89 e6 89 42 0c 0f b7 83 d4 [ 139.269915] RIP [<ffffffffa026f216>] ftrace_raw_event_rpc_task_running+0x86/0xf0 [sunrpc] [ 139.269915] RSP <ffff88001b633d70> [ 139.269915] CR2: 0000000000000004 [ 140.946406] ---[ end trace ba486328b98d7622 ]--- Signed-off-by: Ditang Chen <chendt.fnst@cn.fujitsu.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> | 08 March 2014, 00:10:08 UTC |
19bc45a | Rafael J. Wysocki | 08 March 2014, 00:07:31 UTC | Merge branch 'pm-cpufreq' * pm-cpufreq: cpufreq: Initialize governor for a new policy under policy->rwsem cpufreq: Initialize policy before making it available for others to use cpufreq: use cpufreq_cpu_get() to avoid cpufreq_get() race conditions | 08 March 2014, 00:07:31 UTC |
beb0082 | Rafael J. Wysocki | 08 March 2014, 00:07:06 UTC | Merge branches 'acpi-resources', 'acpi-ec' and 'acpi-sleep' * acpi-resources: ACPI / resources: ignore invalid ACPI device resources * acpi-ec: ACPI / EC: Clear stale EC events on Samsung systems * acpi-sleep: ACPI / sleep: pm_power_off needs more sanity checks to be installed | 08 March 2014, 00:07:06 UTC |
2ef176f | Linus Torvalds | 07 March 2014, 23:17:36 UTC | Merge tag 'dm-3.14-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: - dm-cache memory allocation failure fix - fix DM's Kconfig identation - dm-snapshot metadata corruption fix for bug introduced in 3.14-rc1 - important refcount < 0 fix for the DM persistent data library's space map metadata interface which fixes corruption reported by a few dm-thinp users and last but not least: - more extensive fixes than ideal for dm-thinp's data resize capability (which has had growing pain much like we've seen from -ENOSPC handling of filesystems that mature). The end result is dm-thinp now handles metadata operation failure and no data space error conditions much better than before. * tag 'dm-3.14-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm space map metadata: fix refcount decrement below 0 which caused corruption dm thin: fix Documentation for held metadata root feature dm thin: fix noflush suspend IO queueing dm thin: fix deadlock in __requeue_bio_list dm thin: fix out of data space handling dm thin: ensure user takes action to validate data and metadata consistency dm thin: synchronize the pool mode during suspend dm snapshot: fix metadata corruption dm: fix Kconfig indentation dm cache mq: fix memory allocation failure for large cache devices | 07 March 2014, 23:17:36 UTC |
5fa1019 | H. Peter Anvin | 07 March 2014, 23:05:20 UTC | x86: Ignore NMIs that come in during early boot Don Zickus reports: A customer generated an external NMI using their iLO to test kdump worked. Unfortunately, the machine hung. Disabling the nmi_watchdog made things work. I speculated the external NMI fired, caused the machine to panic (as expected) and the perf NMI from the watchdog came in and was latched. My guess was this somehow caused the hang. ---- It appears that the latched NMI stays latched until the early page table generation on 64 bits, which causes exceptions to happen which end in IRET, which re-enable NMI. Therefore, ignore NMIs that come in during early execution, until we have proper exception handling. Reported-and-tested-by: Don Zickus <dzickus@redhat.com> Link: http://lkml.kernel.org/r/1394221143-29713-1-git-send-email-dzickus@redhat.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: <stable@vger.kernel.org> # v3.5+, older with some backport effort | 07 March 2014, 23:08:14 UTC |
38e0b08 | Mark Rutland | 26 February 2014, 16:21:26 UTC | ARM: 7992/1: boot: compressed: ignore bswapsdi2.S Commit 017f161a55b4 (ARM: 7877/1: use built-in byte swap function) added bswapsdi2.{o,S} to arch/arm/boot/compressed/Makefile, but didn't update the .gitignore. Thus after a a build git status shows bswapsdi2.S as a new file, which is a little annoying. This patch updates arch/arm/boot/compressed/.gitignore to ignore bswapsdi2.S, as we already do for ashldi3.S and others. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: Kim Phillips <kim.phillips@freescale.com> Cc: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 07 March 2014, 22:04:10 UTC |
052450f | Linus Walleij | 25 February 2014, 21:41:41 UTC | ARM: 7991/1: sa1100: fix compile problem on Collie Due to a problem in the MFD Kconfig it was not possible to compile the UCB battery driver for the Collie SA1100 system, in turn making it impossible to compile in the battery driver. (See patch "mfd: include all drivers in subsystem menu".) After fixing the MFD Kconfig (separate patch) a compile error appears in the Collie battery driver due to the <mach/collie.h> implicitly requiring <mach/hardware.h> through <linux/gpio.h> via <mach/gpio.h> prior to commit 40ca061b "ARM: 7841/1: sa1100: remove complex GPIO interface". Fix this up by including the required header into <mach/collie.h>. Cc: stable@vger.kernel.org Cc: Andrea Adami <andrea.adami@gmail.com> Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 07 March 2014, 22:04:08 UTC |
006fa25 | Russell King | 26 February 2014, 19:40:46 UTC | ARM: fix noMMU kallsyms symbol filtering With noMMU, CONFIG_PAGE_OFFSET was not being set correctly. As there's no MMU, PAGE_OFFSET should be equal to PHYS_OFFSET in all cases. This commit makes that explicit. Since we do this, we don't need to mess around in asm/memory.h with ifdefs to sort this out, so let's get rid of that, and there's no point offering the "Memory split" option for noMMU as that's meaningless there. Fixes: b9b32bf70f2f ("ARM: use linker magic for vectors and vector stubs") Cc: <stable@vger.kernel.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 07 March 2014, 22:04:06 UTC |
469d417 | Mathias Nyman | 07 March 2014, 15:06:58 UTC | Revert "USBNET: ax88179_178a: enable tso if usb host supports sg dma" This reverts commit 3804fad45411b48233b48003e33a78f290d227c8. This commit, together with commit 247bf557273dd775505fb9240d2d152f4f20d304 "xhci 1.0: Limit arbitrarily-aligned scatter gather." were origially added to get xHCI 1.0 hosts and usb ethernet ax88179_178a devices working together with scatter gather. xHCI 1.0 hosts pose some requirement on how transfer buffers are aligned, setting this requirement for 1.0 hosts caused USB 3.0 mass storage devices to fail more frequently. USB 3.0 mass storage devices used to work before 3.14-rc1. Theoretically, the TD fragment rules could have caused an occasional disk glitch. Now the devices *will* fail, instead of theoretically failing. >From a user perspective, this looks like a regression; the USB device obviously fails on 3.14-rc1, and may sometimes silently fail on prior kernels. The proper soluition is to implement the TD fragment rules for xHCI 1.0 hosts, but for now, revert this patch until scatter gather can be properly supported. Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 07 March 2014, 19:48:13 UTC |
e2ed511 | Mathias Nyman | 07 March 2014, 15:06:57 UTC | Revert "xhci 1.0: Limit arbitrarily-aligned scatter gather." This reverts commit 247bf557273dd775505fb9240d2d152f4f20d304. This commit, together with commit 3804fad45411b48233b48003e33a78f290d227c8 "USBNET: ax88179_178a: enable tso if usb host supports sg dma" were origially added to get xHCI 1.0 hosts and usb ethernet ax88179_178a devices working together with scatter gather. xHCI 1.0 hosts pose some requirement on how transfer buffers are aligned, setting this requirement for 1.0 hosts caused USB 3.0 mass storage devices to fail more frequently. USB 3.0 mass storage devices used to work before 3.14-rc1. Theoretically, the TD fragment rules could have caused an occasional disk glitch. Now the devices *will* fail, instead of theoretically failing. >From a user perspective, this looks like a regression; the USB device obviously fails on 3.14-rc1, and may sometimes silently fail on prior kernels. The proper soluition is to implement the TD fragment rules required, but for now this patch needs to be reverted to get USB 3.0 mass storage devices working at the level they used to. Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 07 March 2014, 19:48:13 UTC |
d86db25 | Julius Werner | 04 March 2014, 19:27:38 UTC | usb: Make DELAY_INIT quirk wait 100ms between Get Configuration requests The DELAY_INIT quirk only reduces the frequency of enumeration failures with the Logitech HD Pro C920 and C930e webcams, but does not quite eliminate them. We have found that adding a delay of 100ms between the first and second Get Configuration request makes the device enumerate perfectly reliable even after several weeks of extensive testing. The reasons for that are anyone's guess, but since the DELAY_INIT quirk already delays enumeration by a whole second, wating for another 10th of that isn't really a big deal for the one other device that uses it, and it will resolve the problems with these webcams. Signed-off-by: Julius Werner <jwerner@chromium.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 07 March 2014, 19:46:51 UTC |
e042936 | Julius Werner | 04 March 2014, 18:52:39 UTC | usb: Add device quirk for Logitech HD Pro Webcams C920 and C930e We've encountered a rare issue when enumerating two Logitech webcams after a reboot that doesn't power cycle the USB ports. They are spewing random data (possibly some leftover UVC buffers) on the second (full-sized) Get Configuration request of the enumeration phase. Since the data is random this can potentially cause all kinds of odd behavior, and since it occasionally happens multiple times (after the kernel issues another reset due to the garbled configuration descriptor), it is not always recoverable. Set the USB_DELAY_INIT quirk that seems to work around the issue. Signed-off-by: Julius Werner <jwerner@chromium.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 07 March 2014, 19:46:51 UTC |
b28a613 | Michele Baldessari | 07 March 2014, 16:34:29 UTC | libata: add ATA_HORKAGE_BROKEN_FPDMA_AA quirk for Seagate Momentus SpinPoint M8 (2BA30001) Via commit 87809942d3fa "libata: add ATA_HORKAGE_BROKEN_FPDMA_AA quirk for Seagate Momentus SpinPoint M8" we added a quirk for disks named "ST1000LM024 HN-M101MBB" with firmware revision "2AR10001". As reported on https://bugzilla.redhat.com/show_bug.cgi?id=1073901, we need to also add firmware revision 2BA30001 as it is broken as well. Reported-by: Nicholas <arealityfarbetween@googlemail.com> Signed-off-by: Michele Baldessari <michele@acksyn.org> Tested-by: Guilherme Amadio <guilherme.amadio@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org | 07 March 2014, 18:47:34 UTC |
b053940 | Vineet Gupta | 07 March 2014, 07:52:22 UTC | ARC: Use correct PTAG register for icache flush This fixes a subtle issue with cache flush which could potentially cause random userspace crashes because of stale icache lines. This error crept in when consolidating the cache flush code Fixes: bd12976c3664 (ARC: cacheflush refactor #3: Unify the {d,i}cache) Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: linux-kernel@vger.kernel.org Cc: stable@vger.kernel.org # 3.13 Cc: arc-linux-dev@synopsys.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 07 March 2014, 18:12:56 UTC |
e1aa17c | Linus Torvalds | 07 March 2014, 18:02:39 UTC | Merge tag 'sound-3.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Just a few device-specific quirks for HD-audio and USB-audio, most of which are one-liners" * tag 'sound-3.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: usb-audio: Add quirk for Logitech Webcam C500 ALSA: hda - Use analog beep for Thinkpads with AD1984 codecs ALSA: hda - Add missing loopback merge path for AD1884/1984 codecs ALSA: hda - add automute fix for another dell AIO model ALSA: hda - Added inverted digital-mic handling for Acer TravelMate 8371 | 07 March 2014, 18:02:39 UTC |
3bf7706 | Linus Torvalds | 07 March 2014, 18:01:47 UTC | Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux Pull drm fixes from Dave Airlie: "Mostly intel and radeon fixes, one tda998x, one kconfig dep fix and two more MAINTAINERS updates, All pretty run of the mill for this stage" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon/atom: select the proper number of lanes in transmitter setup MAINTAINERS: add maintainer entry for TDA998x driver drm: fix bochs kconfig dependencies drm/radeon/dpm: fix typo in EVERGREEN_SMC_FIRMWARE_HEADER_softRegisters drm/radeon/cik: fix typo in documentation drm/radeon: silence GCC warning on 32 bit drm/radeon: resume old pm late drm/radeon: TTM must be init with cpu-visible VRAM, v2 DRM: armada: fix use of kfifo_put() drm/i915: Reject >165MHz modes w/ DVI monitors drm/i915: fix assert_cursor on BDW drm/i915: vlv: reserve GT power context early drm/i915: fix pch pci device enumeration drm/i915: Resolving the memory region conflict for Stolen area drm/i915: use backlight legacy combination mode also for i915gm/i945gm MAINTAINERS: update AGP tree to point at drm tree | 07 March 2014, 18:01:47 UTC |
2a75184 | Linus Torvalds | 07 March 2014, 17:59:44 UTC | Merge branch 'for-linus' of git://git.kernel.dk/linux-block Pull block fixes from Jens Axboe: "Small collection of fixes for 3.14-rc. It contains: - Three minor update to blk-mq from Christoph. - Reduce number of unaligned (< 4kb) in-flight writes on mtip32xx to two. From Micron. - Make the blk-mq CPU notify spinlock raw, since it can't be a sleeper spinlock on RT. From Mike Galbraith. - Drop now bogus BUG_ON() for bio iteration with blk integrity. From Nic Bellinger. - Properly propagate the SYNC flag on requests. From Shaohua" * 'for-linus' of git://git.kernel.dk/linux-block: blk-mq: add REQ_SYNC early rt,blk,mq: Make blk_mq_cpu_notify_lock a raw spinlock bio-integrity: Drop bio_integrity_verify BUG_ON in post bip->bip_iter world blk-mq: support partial I/O completions blk-mq: merge blk_mq_insert_request and blk_mq_run_request blk-mq: remove blk_mq_alloc_rq mtip32xx: Reduce the number of unaligned writes to 2 | 07 March 2014, 17:59:44 UTC |
8ab47d3 | Linus Torvalds | 07 March 2014, 17:54:40 UTC | Merge tag 'pinctrl-v3.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control fixes from Linus Walleij: "This is a set of pin control fixes I have collected over the last few days. Some have rotated more than others in linux-next, but they were rebased on v3.14-rc5 due to sloppy commit messages. I am quite convinced that they are all good fixes that only hit this or that individual driver and not the entire subsystem. - Fix chained interrupts, interrupt masking and register offset calculation for the sunxi driver - Make MSM a bool rather than a tristate to stop build problems to happen - chained interrupt controllers cannot currently be defined in modules - Fix a clock in the PFC driver - Fix a kernel panic in the sirf driver" * tag 'pinctrl-v3.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: sirf: fix kernel panic in gpio_lock_as_irq pinctrl: sh-pfc: r8a7791: SD1_CLK fix pinctrl: msm: make PINCTRL_MSM bool instead of tristate pinctrl: sunxi: Fix interrupt register offset calculation pinctrl: sunxi: Fix masking when setting irq type pinctrl: sunxi: use chained_irq_{enter, exit} for GIC compatibility | 07 March 2014, 17:54:40 UTC |
ee69350 | Linus Torvalds | 07 March 2014, 17:53:24 UTC | Merge tag 'stable/for-linus-3.14-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull Xen fix from Konrad Rzeszutek Wilk: "This has exactly one patch for Xen ARM. It sets the dependency to compile the kernel with MMU enabled - otherwise - the guest won't work very well" * tag 'stable/for-linus-3.14-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: ARM: XEN depends on having a MMU | 07 March 2014, 17:53:24 UTC |
3148140 | Linus Torvalds | 07 March 2014, 17:52:46 UTC | Merge tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming Pull c6x build fix from Mark Salter: "Build fix for c6x" * tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming: c6x: fix build failure caused by cache.h | 07 March 2014, 17:52:46 UTC |
cebc2de | Joe Thornber | 07 March 2014, 14:57:19 UTC | dm space map metadata: fix refcount decrement below 0 which caused corruption This has been a relatively long-standing issue that wasn't nailed down until Teng-Feng Yang's meticulous bug report to dm-devel on 3/7/2014, see: http://www.redhat.com/archives/dm-devel/2014-March/msg00021.html From that report: "When decreasing the reference count of a metadata block with its reference count equals 3, we will call dm_btree_remove() to remove this enrty from the B+tree which keeps the reference count info in metadata device. The B+tree will try to rebalance the entry of the child nodes in each node it traversed, and the rebalance process contains the following steps. (1) Finding the corresponding children in current node (shadow_current(s)) (2) Shadow the children block (issue BOP_INC) (3) redistribute keys among children, and free children if necessary (issue BOP_DEC) Since the update of a metadata block's reference count could be recursive, we will stash these reference count update operations in smm->uncommitted and then process them in a FILO fashion. The problem is that step(3) could free the children which is created in step(2), so the BOP_DEC issued in step(3) will be carried out before the BOP_INC issued in step(2) since these BOPs will be processed in FILO fashion. Once the BOP_DEC from step(3) tries to decrease the reference count of newly shadow block, it will report failure for its reference equals 0 before decreasing. It looks like we can solve this issue by processing these BOPs in a FIFO fashion instead of FILO." Commit 5b564d80 ("dm space map: disallow decrementing a reference count below zero") changed the code to report an error for this temporary refcount decrement below zero. So what was previously a harmless invalid refcount became a hard failure due to the new error path: device-mapper: space map common: unable to decrement a reference count below 0 device-mapper: thin: 253:6: dm_thin_insert_block() failed: error = -22 device-mapper: thin: 253:6: switching pool to read-only mode This bug is in dm persistent-data code that is common to the DM thin and cache targets. So any users of those targets should apply this fix. Fix this by applying recursive space map operations in FIFO order rather than FILO. Resolves: https://bugzilla.kernel.org/show_bug.cgi?id=68801 Reported-by: Apollon Oikonomopoulos <apoikos@debian.org> Reported-by: edwillam1007@gmail.com Reported-by: Teng-Feng Yang <shinrairis@gmail.com> Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Cc: stable@vger.kernel.org # 3.13+ | 07 March 2014, 17:02:47 UTC |
70044d7 | Tejun Heo | 07 March 2014, 15:19:57 UTC | firewire: don't use PREPARE_DELAYED_WORK PREPARE_[DELAYED_]WORK() are being phased out. They have few users and a nasty surprise in terms of reentrancy guarantee as workqueue considers work items to be different if they don't have the same work function. firewire core-device and sbp2 have been been multiplexing work items with multiple work functions. Introduce fw_device_workfn() and sbp2_lu_workfn() which invoke fw_device->workfn and sbp2_logical_unit->workfn respectively and always use the two functions as the work functions and update the users to set the ->workfn fields instead of overriding work functions using PREPARE_DELAYED_WORK(). This fixes a variety of possible regressions since a2c1c57be8d9 "workqueue: consider work function when searching for busy work items" due to which fw_workqueue lost its required non-reentrancy property. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: linux1394-devel@lists.sourceforge.net Cc: stable@vger.kernel.org # v3.9+ Cc: stable@vger.kernel.org # v3.8.2+ Cc: stable@vger.kernel.org # v3.4.60+ Cc: stable@vger.kernel.org # v3.2.40+ | 07 March 2014, 15:19:57 UTC |
739c3ee | Shaohua Li | 19 February 2014, 12:20:21 UTC | blk-mq: add REQ_SYNC early Add REQ_SYNC early, so rq_dispatched[] in blk_mq_rq_ctx_init is set correctly. Signed-off-by: Shaohua Li<shli@fusionio.com> Signed-off-by: Jens Axboe <axboe@fb.com> | 07 March 2014, 15:15:28 UTC |
16c0ae0 | Sagi Grimberg | 05 March 2014, 12:05:09 UTC | Target/sbc: Fix sbc_copy_prot for offset scatters When copying between device and command protection scatters we must take into account that device scatters might be offset and we might copy outside scatter range. Thus for each cmd prot scatter we must take the min between cmd prot scatter, dev prot scatter, and whats left (and loop in case we havn't copied enough from/to cmd prot scatter). Example (single t_prot_sg of len 2048): kernel: sbc_dif_copy_prot: se_cmd=ffff880380aaf970, left=2048, len=2048, dev_prot_sg_offset=3072, dev_prot_sg_len=4096 kernel: isert: se_cmd=ffff880380aaf970 PI error found type 0 at sector 0x2600 expected 0x0 vs actual 0x725f, lba=2580 Instead of copying 2048 from offset 3072 (copying junk outside sg limit 4096), we must to copy 1024 and continue to next sg until we complete cmd prot scatter. This issue was found using iSER T10-PI offload over rd_mcp (wasn't discovered with fileio since file_dev prot sglists are never offset). Changes from v1: - Fix sbc_copy_prot copy length miss-calculation Changes from v0: - Removed psg->offset consideration for psg_len computation - Removed sg->offset consideration for offset condition - Added copied consideraiton for len computation - Added copied offset to paddr when doing memcpy Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> | 07 March 2014, 04:52:11 UTC |
d930acf | Mark Brown | 07 March 2014, 03:08:13 UTC | Merge remote-tracking branches 'spi/fix/ath79', 'spi/fix/atmel', 'spi/fix/coldfire', 'spi/fix/fsl-dspi', 'spi/fix/imx' and 'spi/fix/topcliff-pch' into spi-linus | 07 March 2014, 03:08:13 UTC |
a5b2cf5 | Anton Blanchard | 03 March 2014, 21:31:24 UTC | powerpc: Align p_dyn, p_rela and p_st symbols The 64bit relocation code places a few symbols in the text segment. These symbols are only 4 byte aligned where they need to be 8 byte aligned. Add an explicit alignment. Signed-off-by: Anton Blanchard <anton@samba.org> Cc: stable@vger.kernel.org Tested-by: Laurent Dufour <ldufour@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> | 07 March 2014, 02:50:19 UTC |
621b506 | Michael Neuling | 03 March 2014, 03:21:40 UTC | powerpc/tm: Fix crash when forking inside a transaction When we fork/clone we currently don't copy any of the TM state to the new thread. This results in a TM bad thing (program check) when the new process is switched in as the kernel does a tmrechkpt with TEXASR FS not set. Also, since R1 is from userspace, we trigger the bad kernel stack pointer detection. So we end up with something like this: Bad kernel stack pointer 0 at c0000000000404fc cpu 0x2: Vector: 700 (Program Check) at [c00000003ffefd40] pc: c0000000000404fc: restore_gprs+0xc0/0x148 lr: 0000000000000000 sp: 0 msr: 9000000100201030 current = 0xc000001dd1417c30 paca = 0xc00000000fe00800 softe: 0 irq_happened: 0x01 pid = 0, comm = swapper/2 WARNING: exception is not recoverable, can't continue The below fixes this by flushing the TM state before we copy the task_struct to the clone. To do this we go through the tmreclaim patch, which removes the checkpointed registers from the CPU and transitions the CPU out of TM suspend mode. Hence we need to call tmrechkpt after to restore the checkpointed state and the TM mode for the current task. To make this fail from userspace is simply: tbegin li r0, 2 sc <boom> Kudos to Adhemerval Zanella Neto for finding this. Signed-off-by: Michael Neuling <mikey@neuling.org> cc: Adhemerval Zanella Neto <azanella@br.ibm.com> cc: stable@vger.kernel.org Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> | 07 March 2014, 02:50:15 UTC |
45db98e | Dave Airlie | 06 March 2014, 23:27:22 UTC | Merge branch 'drm-fixes-3.14' of git://people.freedesktop.org/~agd5f/linux into drm-fixes one more radeon fix. * 'drm-fixes-3.14' of git://people.freedesktop.org/~agd5f/linux: drm/radeon/atom: select the proper number of lanes in transmitter setup | 06 March 2014, 23:27:22 UTC |
d03874c | Alex Deucher | 06 March 2014, 23:09:52 UTC | drm/radeon/atom: select the proper number of lanes in transmitter setup We need to check for DVI vs. HDMI when setting up duallink since HDMI is single link only. Fixes 4k modes on newer asics. bug: https://bugs.freedesktop.org/show_bug.cgi?id=75223 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org | 06 March 2014, 23:09:52 UTC |
f50d714 | Russell King | 03 March 2014, 12:18:14 UTC | MAINTAINERS: add maintainer entry for TDA998x driver Add a maintainers entry for the TDA998x driver. Rob Clark has handed this driver over to me to look after. Acked-by: Rob Clark <robdclark@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Dave Airlie <airlied@redhat.com> | 06 March 2014, 23:05:45 UTC |
77ac9a0 | Gerd Hoffmann | 06 March 2014, 12:26:36 UTC | drm: fix bochs kconfig dependencies Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> | 06 March 2014, 23:05:10 UTC |
ae69340 | Dave Airlie | 06 March 2014, 23:04:32 UTC | Merge branch 'drm-armada-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox into drm-fixes fix for kfifo api change. * 'drm-armada-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox: DRM: armada: fix use of kfifo_put() | 06 March 2014, 23:04:32 UTC |
7a4ee32 | Dave Airlie | 06 March 2014, 22:41:12 UTC | Merge branch 'drm-fixes-3.14' of git://people.freedesktop.org/~agd5f/linux into drm-fixes a few more radeon fixes. * 'drm-fixes-3.14' of git://people.freedesktop.org/~agd5f/linux: drm/radeon/dpm: fix typo in EVERGREEN_SMC_FIRMWARE_HEADER_softRegisters drm/radeon/cik: fix typo in documentation drm/radeon: silence GCC warning on 32 bit drm/radeon: resume old pm late drm/radeon: TTM must be init with cpu-visible VRAM, v2 | 06 March 2014, 22:41:12 UTC |
1371432 | Alex Deucher | 06 March 2014, 18:16:55 UTC | drm/radeon/dpm: fix typo in EVERGREEN_SMC_FIRMWARE_HEADER_softRegisters Should be at 0x8 rather than 0. fixes: https://bugzilla.kernel.org/show_bug.cgi?id=60523 Noticed by ArtForz on #radeon Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org | 06 March 2014, 21:46:58 UTC |
972c5dd | Alex Deucher | 04 March 2014, 20:50:29 UTC | drm/radeon/cik: fix typo in documentation Copy-paste typo. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | 06 March 2014, 21:46:57 UTC |
0d997b6 | Paul Bolle | 04 March 2014, 09:34:48 UTC | drm/radeon: silence GCC warning on 32 bit Building radeon_ttm.o on 32 bit x86 triggers a warning: In file included from include/asm-generic/bug.h:13:0, from [...]/arch/x86/include/asm/bug.h:38, from include/linux/bug.h:4, from include/drm/drm_mm.h:39, from include/drm/drm_vma_manager.h:26, from include/drm/ttm/ttm_bo_api.h:35, from drivers/gpu/drm/radeon/radeon_ttm.c:32: drivers/gpu/drm/radeon/radeon_ttm.c: In function 'radeon_ttm_gtt_read': include/linux/kernel.h:712:17: warning: comparison of distinct pointer types lacks a cast [enabled by default] (void) (&_min1 == &_min2); \ ^ drivers/gpu/drm/radeon/radeon_ttm.c:938:22: note: in expansion of macro 'min' ssize_t cur_size = min(size, PAGE_SIZE - off); ^ Silence this warning by using min_t(). Since cur_size will never be negative and its upper bound is PAGE_SIZE, we can change its type to size_t and use min_t(size_t, [...]) here. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> | 06 March 2014, 21:46:56 UTC |
bc6a629 | Alex Deucher | 25 February 2014, 17:01:28 UTC | drm/radeon: resume old pm late Moving the pm resume up in the init order to fix dpm seems to have regressed somes cases with the old pm code. Move it back to late resume. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | 06 March 2014, 21:46:56 UTC |
14eedc3 | Lauri Kasanen | 28 February 2014, 18:50:23 UTC | drm/radeon: TTM must be init with cpu-visible VRAM, v2 Without this, a bo may get created in the cpu-inaccessible vram. Before the CP engines get setup, all copies are done via cpu memcpy. This means that the cpu tries to read from inaccessible memory, fails, and the radeon module proceeds to disable acceleration. Doing this has no downsides, as the real VRAM size gets set as soon as the CP engines get init. This is a candidate for 3.14 fixes. v2: Add comment on why the function is used Signed-off-by: Lauri Kasanen <cand@gmx.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Cc: stable@vger.kernel.org | 06 March 2014, 21:46:55 UTC |
0ca4934 | Stefan Richter | 06 March 2014, 19:39:04 UTC | firewire: ohci: fix probe failure with Agere/LSI controllers Since commit bd972688eb24 "firewire: ohci: Fix 'failed to read phy reg' on FW643 rev8", there is a high chance that firewire-ohci fails to initialize LSI née Agere controllers. https://bugzilla.kernel.org/show_bug.cgi?id=65151 Peter Hurley points out the reason: IEEE 1394a:2000 clause 5A.1 (or IEEE 1394:2008 clause 17.2.1) say: "The PHY shall insure that no more than 10 ms elapse from the reassertion of LPS until the interface is reset. The link shall not assert LReq until the reset is complete." In other words, the link needs to give the PHY at least 10 ms to get the interface operational. With just the msleep(1) in bd972688eb24, the first read_phy_reg() during ohci_enable() may happen before the phy-link interface reset was finished, and fail. Due to the high variability of msleep(n) with small n, this failure was not fully reproducible, and not apparent at all with low CONFIG_HZ setting. On the other hand, Peter can no longer reproduce the issue with FW643 rev8. The read phy reg failures that happened back then may have had an unrelated cause. So, just revert bd972688eb24, except for the valid comment on TSB82AA2 cards. Reported-by: Mikhail Gavrilov Reported-by: Jay Fenlason <fenlason@redhat.com> Reported-by: Clemens Ladisch <clemens@ladisch.de> Reported-by: Peter Hurley <peter@hurleysoftware.com> Cc: stable@vger.kernel.org # v3.10+ Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> | 06 March 2014, 20:36:23 UTC |
f6d16d3 | Mike Snitzer | 06 March 2014, 19:04:51 UTC | dm thin: fix Documentation for held metadata root feature The Documentation for the thin provisioning target's held metadata root feature was incorrect. It is now available and the value for the held metadata root is in block units (not 512b sectors). Signed-off-by: Mike Snitzer <snitzer@redhat.com> | 06 March 2014, 19:23:35 UTC |
d4078e2 | Peter Zijlstra | 05 March 2014, 13:07:49 UTC | x86, trace: Further robustify CR2 handling vs tracing Building on commit 0ac09f9f8cd1 ("x86, trace: Fix CR2 corruption when tracing page faults") this patch addresses another few issues: - Now that read_cr2() is lifted into trace_do_page_fault(), we should pass the address to trace_page_fault_entries() to avoid it re-reading a potentially changed cr2. - Put both trace_do_page_fault() and trace_page_fault_entries() under CONFIG_TRACING. - Mark both fault entry functions {,trace_}do_page_fault() as notrace to avoid getting __mcount or other function entry trace callbacks before we've observed CR2. - Mark __do_page_fault() as noinline to guarantee the function tracer does get to see the fault. Cc: <jolsa@redhat.com> Cc: <vincent.weaver@maine.edu> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20140306145300.GO9987@twins.programming.kicks-ass.net Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> | 06 March 2014, 18:58:18 UTC |
ad332c8 | Kieran Clancy | 28 February 2014, 14:12:28 UTC | ACPI / EC: Clear stale EC events on Samsung systems A number of Samsung notebooks (530Uxx/535Uxx/540Uxx/550Pxx/900Xxx/etc) continue to log events during sleep (lid open/close, AC plug/unplug, battery level change), which accumulate in the EC until a buffer fills. After the buffer is full (tests suggest it holds 8 events), GPEs stop being triggered for new events. This state persists on wake or even on power cycle, and prevents new events from being registered until the EC is manually polled. This is the root cause of a number of bugs, including AC not being detected properly, lid close not triggering suspend, and low ambient light not triggering the keyboard backlight. The bug also seemed to be responsible for performance issues on at least one user's machine. Juan Manuel Cabo found the cause of bug and the workaround of polling the EC manually on wake. The loop which clears the stale events is based on an earlier patch by Lan Tianyu (see referenced attachment). This patch: - Adds a function acpi_ec_clear() which polls the EC for stale _Q events at most ACPI_EC_CLEAR_MAX (currently 100) times. A warning is logged if this limit is reached. - Adds a flag EC_FLAGS_CLEAR_ON_RESUME which is set to 1 if the DMI system vendor is Samsung. This check could be replaced by several more specific DMI vendor/product pairs, but it's likely that the bug affects more Samsung products than just the five series mentioned above. Further, it should not be harmful to run acpi_ec_clear() on systems without the bug; it will return immediately after finding no data waiting. - Runs acpi_ec_clear() on initialisation (boot), from acpi_ec_add() - Runs acpi_ec_clear() on wake, from acpi_ec_unblock_transactions() References: https://bugzilla.kernel.org/show_bug.cgi?id=44161 References: https://bugzilla.kernel.org/show_bug.cgi?id=45461 References: https://bugzilla.kernel.org/show_bug.cgi?id=57271 References: https://bugzilla.kernel.org/attachment.cgi?id=126801 Suggested-by: Juan Manuel Cabo <juanmanuel.cabo@gmail.com> Signed-off-by: Kieran Clancy <clancy.kieran@gmail.com> Reviewed-by: Lan Tianyu <tianyu.lan@intel.com> Reviewed-by: Dennis Jansen <dennis.jansen@web.de> Tested-by: Kieran Clancy <clancy.kieran@gmail.com> Tested-by: Juan Manuel Cabo <juanmanuel.cabo@gmail.com> Tested-by: Dennis Jansen <dennis.jansen@web.de> Tested-by: Maurizio D'Addona <mauritiusdadd@gmail.com> Tested-by: San Zamoyski <san@plusnet.pl> Cc: All applicable <stable@vger.kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 06 March 2014, 12:27:23 UTC |
4e97b63 | Viresh Kumar | 04 March 2014, 03:44:01 UTC | cpufreq: Initialize governor for a new policy under policy->rwsem policy->rwsem is used to lock access to all parts of code modifying struct cpufreq_policy, but it's not used on a new policy created by __cpufreq_add_dev(). Because of that, if cpufreq_update_policy() is called in a tight loop on one CPU in parallel with offline/online of another CPU, then the following crash can be triggered: Unable to handle kernel NULL pointer dereference at virtual address 00000020 pgd = c0003000 [00000020] *pgd=80000000004003, *pmd=00000000 Internal error: Oops: 206 [#1] PREEMPT SMP ARM PC is at __cpufreq_governor+0x10/0x1ac LR is at cpufreq_update_policy+0x114/0x150 ---[ end trace f23a8defea6cd706 ]--- Kernel panic - not syncing: Fatal exception CPU0: stopping CPU: 0 PID: 7136 Comm: mpdecision Tainted: G D W 3.10.0-gd727407-00074-g979ede8 #396 [<c0afe180>] (notifier_call_chain+0x40/0x68) from [<c02a23ac>] (__blocking_notifier_call_chain+0x40/0x58) [<c02a23ac>] (__blocking_notifier_call_chain+0x40/0x58) from [<c02a23d8>] (blocking_notifier_call_chain+0x14/0x1c) [<c02a23d8>] (blocking_notifier_call_chain+0x14/0x1c) from [<c0803c68>] (cpufreq_set_policy+0xd4/0x2b8) [<c0803c68>] (cpufreq_set_policy+0xd4/0x2b8) from [<c0803e7c>] (cpufreq_init_policy+0x30/0x98) [<c0803e7c>] (cpufreq_init_policy+0x30/0x98) from [<c0805a18>] (__cpufreq_add_dev.isra.17+0x4dc/0x7a4) [<c0805a18>] (__cpufreq_add_dev.isra.17+0x4dc/0x7a4) from [<c0805d38>] (cpufreq_cpu_callback+0x58/0x84) [<c0805d38>] (cpufreq_cpu_callback+0x58/0x84) from [<c0afe180>] (notifier_call_chain+0x40/0x68) [<c0afe180>] (notifier_call_chain+0x40/0x68) from [<c02812dc>] (__cpu_notify+0x28/0x44) [<c02812dc>] (__cpu_notify+0x28/0x44) from [<c0aeed90>] (_cpu_up+0xf4/0x1dc) [<c0aeed90>] (_cpu_up+0xf4/0x1dc) from [<c0aeeed4>] (cpu_up+0x5c/0x78) [<c0aeeed4>] (cpu_up+0x5c/0x78) from [<c0aec808>] (store_online+0x44/0x74) [<c0aec808>] (store_online+0x44/0x74) from [<c03a40f4>] (sysfs_write_file+0x108/0x14c) [<c03a40f4>] (sysfs_write_file+0x108/0x14c) from [<c03517d4>] (vfs_write+0xd0/0x180) [<c03517d4>] (vfs_write+0xd0/0x180) from [<c0351ca8>] (SyS_write+0x38/0x68) [<c0351ca8>] (SyS_write+0x38/0x68) from [<c0205de0>] (ret_fast_syscall+0x0/0x30) Fix that by taking locks at appropriate places in __cpufreq_add_dev() as well. Reported-by: Saravana Kannan <skannan@codeaurora.org> Suggested-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> [rjw: Changelog] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 06 March 2014, 12:25:30 UTC |
5a7e56a | Viresh Kumar | 04 March 2014, 03:44:00 UTC | cpufreq: Initialize policy before making it available for others to use Policy must be fully initialized before it is being made available for use by others. Otherwise cpufreq_cpu_get() would be able to grab a half initialized policy structure that might not have affected_cpus (for example) populated. Then, anybody accessing those fields will get a wrong value and that will lead to unpredictable results. In order to fix this, do all the necessary initialization before we make the policy structure available via cpufreq_cpu_get(). That will guarantee that any code accessing fields of the policy will get correct data from them. Reported-by: Saravana Kannan <skannan@codeaurora.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> [rjw: Changelog] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 06 March 2014, 12:25:29 UTC |
999976e | Aaron Plattner | 04 March 2014, 20:42:15 UTC | cpufreq: use cpufreq_cpu_get() to avoid cpufreq_get() race conditions If a module calls cpufreq_get while cpufreq is initializing, it's possible for it to be called after cpufreq_driver is set but before cpufreq_cpu_data is written during subsys_interface_register. This happens because cpufreq_get doesn't take the cpufreq_driver_lock around its use of cpufreq_cpu_data. Fix this by using cpufreq_cpu_get(cpu) to look up the policy rather than reading it out of cpufreq_cpu_data directly. cpufreq_cpu_get() takes the appropriate locks to prevent this race from happening. Since it's possible for policy to be NULL if the caller passes in an invalid CPU number or calls the function before cpufreq is initialized, delete the BUG_ON(!policy) and simply return 0. Don't try to return -ENOENT because that's negative and the function returns an unsigned integer. References: https://bbs.archlinux.org/viewtopic.php?id=177934 Signed-off-by: Aaron Plattner <aplattner@nvidia.com> Cc: 3.13+ <stable@vger.kernel.org> # 3.13+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 06 March 2014, 12:25:16 UTC |
d912019 | Benoit Cousson | 28 February 2014, 13:12:05 UTC | clk: shmobile: rcar-gen2: Use kick bit to allow Z clock frequency change The Z clock frequency change is effective only after setting the kick bit located in the FRQCRB register. Without that, the CA15 CPUs clock rate will never change. Fix that by checking if the kick bit is cleared and enable it to make the clock rate change effective. The bit is cleared automatically upon completion. Signed-off-by: Benoit Cousson <bcousson+renesas@baylibre.com> Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mike Turquette <mturquette@linaro.org> | 06 March 2014, 06:41:15 UTC |
738211f | Joe Thornber | 03 March 2014, 15:52:28 UTC | dm thin: fix noflush suspend IO queueing i) by the time DM core calls the postsuspend hook the dm_noflush flag has been cleared. So the old thin_postsuspend did nothing. We need to use the presuspend hook instead. ii) There was a race between bios leaving DM core and arriving in the deferred queue. thin_presuspend now sets a 'requeue' flag causing all bios destined for that thin to be requeued back to DM core. Then it requeues all held IO, and all IO on the deferred queue (destined for that thin). Finally postsuspend clears the 'requeue' flag. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> | 05 March 2014, 20:26:59 UTC |
18adc57 | Joe Thornber | 03 March 2014, 15:46:42 UTC | dm thin: fix deadlock in __requeue_bio_list The spin lock in requeue_io() was held for too long, allowing deadlock. Don't worry, due to other issues addressed in the following "dm thin: fix noflush suspend IO queueing" commit, this code was never called. Fix this by taking the spin lock for a much shorter period of time. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> | 05 March 2014, 20:26:58 UTC |
3e1a069 | Joe Thornber | 03 March 2014, 16:03:26 UTC | dm thin: fix out of data space handling Ideally a thin pool would never run out of data space; the low water mark would trigger userland to extend the pool before we completely run out of space. However, many small random IOs to unprovisioned space can consume data space at an alarming rate. Adjust your low water mark if you're frequently seeing "out-of-data-space" mode. Before this fix, if data space ran out the pool would be put in PM_READ_ONLY mode which also aborted the pool's current metadata transaction (data loss for any changes in the transaction). This had a side-effect of needlessly compromising data consistency. And retry of queued unserviceable bios, once the data pool was resized, could initiate changes to potentially inconsistent pool metadata. Now when the pool's data space is exhausted transition to a new pool mode (PM_OUT_OF_DATA_SPACE) that allows metadata to be changed but data may not be allocated. This allows users to remove thin volumes or discard data to recover data space. The pool is no longer put in PM_READ_ONLY mode in response to the pool running out of data space. And PM_READ_ONLY mode no longer aborts the pool's current metadata transaction. Also, set_pool_mode() will now notify userspace when the pool mode is changed. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> | 05 March 2014, 20:26:58 UTC |
07f2b6e | Mike Snitzer | 14 February 2014, 16:58:41 UTC | dm thin: ensure user takes action to validate data and metadata consistency If a thin metadata operation fails the current transaction will abort, whereby causing potential for IO layers up the stack (e.g. filesystems) to have data loss. As such, set THIN_METADATA_NEEDS_CHECK_FLAG in the thin metadata's superblock which: 1) requires the user verify the thin metadata is consistent (e.g. use thin_check, etc) 2) suggests the user verify the thin data is consistent (e.g. use fsck) The only way to clear the superblock's THIN_METADATA_NEEDS_CHECK_FLAG is to run thin_repair. On metadata operation failure: abort current metadata transaction, set pool in read-only mode, and now set the needs_check flag. As part of this change, constraints are introduced or relaxed: * don't allow a pool to transition to write mode if needs_check is set * don't allow data or metadata space to be resized if needs_check is set * if a thin pool's metadata space is exhausted: the kernel will now force the user to take the pool offline for repair before the kernel will allow the metadata space to be extended. Also, update Documentation to include information about when the thin provisioning target commits metadata, how it handles metadata failures and running out of space. Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Joe Thornber <ejt@redhat.com> | 05 March 2014, 20:25:35 UTC |
0418dae | Trond Myklebust | 04 March 2014, 18:48:16 UTC | NFSv4: Fail the truncate() if the lock/open stateid is invalid If the open stateid could not be recovered, or the file locks were lost, then we should fail the truncate() operation altogether. Reported-by: Andy Adamson <andros@netapp.com> Link: http://lkml.kernel.org/r/1393954269-3974-1-git-send-email-andros@netapp.com Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> | 05 March 2014, 16:55:25 UTC |
869a9d3 | Andy Adamson | 04 March 2014, 17:31:09 UTC | NFSv4.1 Fail data server I/O if stateid represents a lost lock Signed-off-by: Andy Adamson <andros@netapp.com> Link: http://lkml.kernel.org/r/1393954269-3974-1-git-send-email-andros@netapp.com Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> | 05 March 2014, 16:55:24 UTC |
927864c | Trond Myklebust | 04 March 2014, 18:12:03 UTC | NFSv4: Fix the return value of nfs4_select_rw_stateid In commit 5521abfdcf4d6 (NFSv4: Resend the READ/WRITE RPC call if a stateid change causes an error), we overloaded the return value of nfs4_select_rw_stateid() to cause it to return -EWOULDBLOCK if an RPC call is outstanding that would cause the NFSv4 lock or open stateid to change. That is all redundant when we actually copy the stateid used in the read/write RPC call that failed, and check that against the current stateid. It is doubly so, when we consider that in the NFSv4.1 case, we also set the stateid's seqid to the special value '0', which means 'match the current valid stateid'. Reported-by: Andy Adamson <andros@netapp.com> Link: http://lkml.kernel.org/r/1393954269-3974-1-git-send-email-andros@netapp.com Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> | 05 March 2014, 16:55:24 UTC |
e1253be | Trond Myklebust | 05 March 2014, 13:44:23 UTC | NFSv4: nfs4_stateid_is_current should return 'true' for an invalid stateid When nfs4_set_rw_stateid() can fails by returning EIO to indicate that the stateid is completely invalid, then it makes no sense to have it trigger a retry of the READ or WRITE operation. Instead, we should just have it fall through and attempt a recovery. This fixes an infinite loop in which the client keeps replaying the same bad stateid back to the server. Reported-by: Andy Adamson <andros@netapp.com> Link: http://lkml.kernel.org/r/1393954269-3974-1-git-send-email-andros@netapp.com Cc: stable@vger.kernel.org # 3.10+ Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> | 05 March 2014, 16:55:06 UTC |
e805ca8 | Takashi Iwai | 05 March 2014, 11:34:39 UTC | ALSA: usb-audio: Add quirk for Logitech Webcam C500 Logitech C500 (046d:0807) needs the same workaround like other Logitech Webcams. Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> | 05 March 2014, 11:37:15 UTC |
f3e9b59 | Takashi Iwai | 05 March 2014, 11:00:29 UTC | ALSA: hda - Use analog beep for Thinkpads with AD1984 codecs For making the driver behavior compatible with the earlier kernels, use the analog beep in the loopback path instead of the digital beep. Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> | 05 March 2014, 11:00:29 UTC |
c5eda4c | Takashi Iwai | 05 March 2014, 10:52:24 UTC | ALSA: hda - Add missing loopback merge path for AD1884/1984 codecs The mixer widget (NID 0x20) of AD1884 and AD1984 codecs isn't connected directly to the actual I/O paths but only via another mixer widget (NID 0x21). We need a similar fix as we did for AD1882. Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> | 05 March 2014, 10:52:24 UTC |
e291fd2 | Barry Song | 05 March 2014, 06:55:02 UTC | pinctrl: sirf: fix kernel panic in gpio_lock_as_irq commit 655dada6277991 causes kernel panic, this patch fixes it. [ 1.197816] [ffffffee] *pgd=0d7fd821, *pte=00000000, *ppte=00000000 [ 1.204070] Internal error: Oops: 17 [#1] PREEMPT SMP ARM [ 1.209447] Modules linked in: [ 1.212490] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.14.0-rc1 #3 [ 1.218737] task: cd03c000 ti: cd040000 task.ti: cd040000 [ 1.224127] PC is at gpiod_lock_as_irq+0xc/0x64 [ 1.228634] LR is at sirfsoc_gpio_irq_startup+0x18/0x44 [ 1.233842] pc : [<c01d3990>] lr : [<c01d1c38>] psr: a0000193 [ 1.233842] sp : cd041d30 ip : 00000000 fp : 00000000 [ 1.245296] r10: 00000000 r9 : cd023db4 r8 : 60000113 [ 1.250505] r7 : 0000003e r6 : cd023dd4 r5 : c06bfa54 r4 : cd023d80 [ 1.257014] r3 : 00000020 r2 : 00000000 r1 : ffffffea r0 : ffffffea [ 1.263526] Flags: NzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel [ 1.270903] Control: 10c53c7d Table: 00004059 DAC: 00000015 [ 1.276631] Process swapper/0 (pid: 1, stack limit = 0xcd040240) [ 1.282620] Stack: (0xcd041d30 to 0xcd042000) [ 1.286963] 1d20: cd023d80 c01d1c38 c01d1c20 cd023d80 [ 1.295124] 1d40: 00000001 c0068438 cd023d80 ccb6d880 cd023dd4 c0067044 0000718e c006719c [ 1.286963] 1d20: cd023d80 c01d1c38 c01d1c20 cd023d80 [ 1.295124] 1d40: 00000001 c0068438 cd023d80 ccb6d880 cd023dd4 c0067044 0000718e c006719c [ 1.295124] 1d40: 00000001 c0068438 cd023d80 ccb6d880 cd023dd4 c0067044 0000718e c006719c [ 1.303283] 1d60: 00000800 00000083 ccb6d880 cd023d80 c02b41d8 00000083 0000003e ccb7c410 [ 1.311442] 1d80: 00000000 c00671dc 00000083 0000003e c02b41d8 cd3dd5c0 0000003e ccb7c634 [ 1.319601] 1da0: cd040030 c00672a8 cd3dd5c0 ccb7c410 ccb6d340 ccb7c410 ccb6d340 cd3dd400 [ 1.327760] 1dc0: cd3dd410 c02b4434 ccb7c410 c01265a8 00000001 cd3dd410 c0687108 00000000 [ 1.335919] 1de0: c0687108 00000000 00000000 c0240170 c0240158 cd3dd410 c06c30d0 c023e8bc [ 1.344079] 1e00: c023e9d4 00000000 cd3dd410 c023e9d4 c0682150 c023cf88 cd003e98 cd2d50c4 [ 1.352238] 1e20: cd3dd410 cd3dd444 c06822f0 c023e768 cd3dd418 cd3dd410 c06822f0 c023de14 [ 1.360397] 1e40: cd3dd418 00000000 cd3dd410 c023c398 cd041e78 cd041ea8 cd3dd400 cd3dd410 [ 1.368556] 1e60: 00000083 00000000 cd3dd400 cd3dd410 00000083 000000c8 c04e00c8 c023fee8 [ 1.376715] 1e80: 00000000 cd041ea8 cd3dd400 00000001 00000083 c024048c c0435ef8 c0434dec [ 1.384874] 1ea0: c068da58 c04c6d04 c0682150 c0435ef8 ffffffff 00000000 00000000 c068da58 [ 1.393033] 1ec0: 00000020 00000000 00000000 00000000 c05dabb8 00000007 c068d640 c068d640 [ 1.401193] 1ee0: c04c247c c04c249c 00000000 c00088e8 cd004c00 c043bbb8 cd029180 c03812a0 [ 1.409352] 1f00: 00000000 00000000 60000113 c0673728 60000113 c0673728 00000000 00000000 [ 1.417511] 1f20: cd7fce01 c0390a54 00000065 c003a81c c049e8bc 00000007 cd7fce0e 00000007 [ 1.425670] 1f40: 00000000 c05dabb8 00000007 c068d640 c068d640 c04c050c c04e00c8 00000065 [ 1.433829] 1f60: c04e00c0 c04c0c54 00000007 00000007 c04c050c c037d8fc cd03c000 c004322c [ 1.441988] 1f80: c0662b40 0000d640 c03737c0 00000000 00000000 00000000 00000000 00000000 [ 1.450147] 1fa0: 00000000 c03737cc 00000000 c000e478 00000000 00000000 00000000 00000000 [ 1.458307] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1.466467] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 0002d481 05014092 [ 1.474640] [<c01d3990>] (gpiod_lock_as_irq) from [<c01d1c38>] (sirfsoc_gpio_irq_startup+0x18/0x44) [ 1.483661] [<c01d1c38>] (sirfsoc_gpio_irq_startup) from [<c0068438>] (irq_startup+0x34/0x6c) [ 1.492163] [<c0068438>] (irq_startup) from [<c0067044>] (__setup_irq+0x450/0x4b8) [ 1.499714] [<c0067044>] (__setup_irq) from [<c00671dc>] (request_threaded_irq+0xa8/0x128) [ 1.507960] [<c00671dc>] (request_threaded_irq) from [<c00672a8>] (request_any_context_irq+0x4c/0x7c) [ 1.517164] [<c00672a8>] (request_any_context_irq) from [<c02b4434>] (gpio_extcon_probe+0x144/0x1d4) [ 1.526279] [<c02b4434>] (gpio_extcon_probe) from [<c0240170>] (platform_drv_probe+0x18/0x48) [ 1.534783] [<c0240170>] (platform_drv_probe) from [<c023e8bc>] (driver_probe_device+0x120/0x238) [ 1.543641] [<c023e8bc>] (driver_probe_device) from [<c023cf88>] (bus_for_each_drv+0x58/0x8c) [ 1.552143] [<c023cf88>] (bus_for_each_drv) from [<c023e768>] (device_attach+0x74/0x88) [ 1.560126] [<c023e768>] (device_attach) from [<c023de14>] (bus_probe_device+0x84/0xa8) [ 1.568113] [<c023de14>] (bus_probe_device) from [<c023c398>] (device_add+0x440/0x520) [ 1.576012] [<c023c398>] (device_add) from [<c023fee8>] (platform_device_add+0xb4/0x214) [ 1.584084] [<c023fee8>] (platform_device_add) from [<c024048c>] (platform_device_register_full+0xb8/0xdc) [ 1.593719] [<c024048c>] (platform_device_register_full) from [<c04c6d04>] (sirfsoc_init_late+0xec/0xf4) [ 1.603185] [<c04c6d04>] (sirfsoc_init_late) from [<c04c249c>] (init_machine_late+0x20/0x28) [ 1.611603] [<c04c249c>] (init_machine_late) from [<c00088e8>] (do_one_initcall+0xf8/0x144) [ 1.619934] [<c00088e8>] (do_one_initcall) from [<c04c0c54>] (kernel_init_freeable+0x13c/0x1dc) [ 1.628620] [<c04c0c54>] (kernel_init_freeable) from [<c03737cc>] (kernel_init+0xc/0x118) Signed-off-by: Barry Song <Baohua.Song@csr.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> | 05 March 2014, 09:11:47 UTC |
6d7c2a6 | Dave Airlie | 05 March 2014, 04:50:38 UTC | Merge tag 'drm-intel-fixes-2014-03-04' of ssh://git.freedesktop.org/git/drm-intel into drm-fixes Small fixes all around, mostly stable material. Please pull. * tag 'drm-intel-fixes-2014-03-04' of ssh://git.freedesktop.org/git/drm-intel: drm/i915: Reject >165MHz modes w/ DVI monitors drm/i915: fix assert_cursor on BDW drm/i915: vlv: reserve GT power context early drm/i915: fix pch pci device enumeration drm/i915: Resolving the memory region conflict for Stolen area drm/i915: use backlight legacy combination mode also for i915gm/i945gm | 05 March 2014, 04:50:38 UTC |
ba938f3 | Wenyou Yang | 05 March 2014, 03:29:01 UTC | spi: atmel: add missing spi_master_{resume,suspend} calls to PM callbacks The PM callbacks implemented by the spi-atmel driver don't call spi_master_{resume,suspend}, fix that. Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> Signed-off-by: Mark Brown <broonie@linaro.org> | 05 March 2014, 03:59:53 UTC |
ee73b4c | Axel Lin | 14 February 2014, 01:53:00 UTC | spi: coldfire-qspi: Fix getting correct address for *mcfqspi dev_get_drvdata() returns the address of master rather than mcfqspi. Fixes: af361079 (spi/coldfire-qspi: Drop extra calls to spi_master_get in suspend/resume functions) Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@linaro.org> Cc: stable@vger.kernel.org | 05 March 2014, 03:53:08 UTC |
017145f | Axel Lin | 14 February 2014, 04:49:12 UTC | spi: fsl-dspi: Fix getting correct address for master Current code set platform drvdata to dspi. However, the code in dspi_suspend() and dspi_resume() assumes the drvdata is the address of master. Fix it by setting platform drvdata to master. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@linaro.org> Cc: stable@vger.kernel.org | 05 March 2014, 03:51:02 UTC |
b5973fc | Magnus Damm | 26 February 2014, 10:10:26 UTC | pinctrl: sh-pfc: r8a7791: SD1_CLK fix Fix the SD1_CLK handling for r8a7791. Without this patch it is impossible to request all pins needed for SDHI1 on the Koelsch board. Signed-off-by: Magnus Damm <damm@opensource.se> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> | 05 March 2014, 01:57:47 UTC |
5ba3416 | Josh Cartwright | 24 February 2014, 18:41:20 UTC | pinctrl: msm: make PINCTRL_MSM bool instead of tristate Modular builds of pinctrl-msm break due to handle_bad_irq being unexported for module use. For now, make PINCTRL_MSM 'bool'. Signed-off-by: Josh Cartwright <joshc@codeaurora.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> | 05 March 2014, 01:57:47 UTC |
ef5aff0 | Hans de Goede | 17 February 2014, 21:19:44 UTC | pinctrl: sunxi: Fix interrupt register offset calculation This fixing setting the interrupt type for eints >= 8. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> | 05 March 2014, 01:57:42 UTC |
d82f940 | Hans de Goede | 17 February 2014, 21:19:43 UTC | pinctrl: sunxi: Fix masking when setting irq type Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> | 05 March 2014, 01:57:36 UTC |
905a511 | Chen-Yu Tsai | 10 February 2014, 16:22:37 UTC | pinctrl: sunxi: use chained_irq_{enter, exit} for GIC compatibility On tha Allwinner A20 SoC, the external interrupts on the pin controller device are connected to the GIC. Without chained_irq_{enter, exit}, external GPIO interrupts, such as used by mmc core card detect, cause the system to hang. This issue was first encountered during my attempt to get out-of-band interrupts for WiFi on the Cubietruck working. With David's new series of sunci-mci using mmc slot-gpio for (GPIO interrupt based) card detection, removing the SD card also causes my Cubietruck to hang. This problem should extend to all Allwinner A20 based boards. With this fix, the system no longer hangs when I remove or insert the SD card. /proc/interrupts show that the interrupt has correctly fired. However the system still does not detect card removal/insertion. I believe this is another unrelated issue. Cc: stable@vger.kernel.org Signed-off-by: Chen-Yu Tsai <wens@csie.org> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> | 05 March 2014, 01:57:10 UTC |
ebbe442 | Nicholas Bellinger | 02 March 2014, 22:51:12 UTC | iser-target: Fix command leak for tx_desc->comp_llnode_batch This patch addresses a number of active I/O shutdown issues related to isert_cmd descriptors being leaked that are part of a completion interrupt coalescing batch. This includes adding logic in isert_cq_tx_comp_err() to drain any associated tx_desc->comp_llnode_batch, as well as isert_cq_drain_comp_llist() to drain any associated isert_conn->conn_comp_llist. Also, set tx_desc->llnode_active in isert_init_send_wr() in order to determine when work requests need to be skipped in isert_cq_tx_work() exception path code. Finally, update isert_init_send_wr() to only allow interrupt coalescing when ISER_CONN_UP. Acked-by: Sagi Grimberg <sagig@mellanox.com> Cc: Or Gerlitz <ogerlitz@mellanox.com> Cc: <stable@vger.kernel.org> #3.13+ Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> | 05 March 2014, 01:54:10 UTC |
9bb4ca6 | Nicholas Bellinger | 27 February 2014, 15:02:48 UTC | iser-target: Ignore completions for FRWRs in isert_cq_tx_work This patch changes IB_WR_FAST_REG_MR + IB_WR_LOCAL_INV related work requests to include a ISER_FRWR_LI_WRID value in order to signal isert_cq_tx_work() that these requests should be ignored. This is necessary because even though IB_SEND_SIGNALED is not set for either work request, during a QP failure event the work requests will be returned with exception status from the TX completion queue. v2 changes: - Rename ISER_FRWR_LI_WRID -> ISER_FASTREG_LI_WRID (Sagi) Acked-by: Sagi Grimberg <sagig@mellanox.com> Cc: Or Gerlitz <ogerlitz@mellanox.com> Cc: <stable@vger.kernel.org> #3.12+ Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> | 05 March 2014, 01:54:10 UTC |
b6b87a1 | Nicholas Bellinger | 27 February 2014, 17:05:03 UTC | iser-target: Fix post_send_buf_count for RDMA READ/WRITE This patch fixes the incorrect setting of ->post_send_buf_count related to RDMA WRITEs + READs where isert_rdma_rw->send_wr_num was not being taken into account. This includes incrementing ->post_send_buf_count within isert_put_datain() + isert_get_dataout(), decrementing within __isert_send_completion() + isert_response_completion(), and clearing wr->send_wr_num within isert_completion_rdma_read() This is necessary because even though IB_SEND_SIGNALED is not set for RDMA WRITEs + READs, during a QP failure event the work requests will be returned with exception status from the TX completion queue. Acked-by: Sagi Grimberg <sagig@mellanox.com> Cc: Or Gerlitz <ogerlitz@mellanox.com> Cc: <stable@vger.kernel.org> #3.10+ Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> | 05 March 2014, 01:54:09 UTC |
defd884 | Nicholas Bellinger | 03 February 2014, 20:54:39 UTC | iscsi/iser-target: Fix isert_conn->state hung shutdown issues This patch addresses a couple of different hug shutdown issues related to wait_event() + isert_conn->state. First, it changes isert_conn->conn_wait + isert_conn->conn_wait_comp_err from waitqueues to completions, and sets ISER_CONN_TERMINATING from within isert_disconnect_work(). Second, it splits isert_free_conn() into isert_wait_conn() that is called earlier in iscsit_close_connection() to ensure that all outstanding commands have completed before continuing. Finally, it breaks isert_cq_comp_err() into seperate TX / RX related code, and adds logic in isert_cq_rx_comp_err() to wait for outstanding commands to complete before setting ISER_CONN_DOWN and calling complete(&isert_conn->conn_wait_comp_err). Acked-by: Sagi Grimberg <sagig@mellanox.com> Cc: Or Gerlitz <ogerlitz@mellanox.com> Cc: <stable@vger.kernel.org> #3.10+ Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> | 05 March 2014, 01:54:09 UTC |
5159d76 | Nicholas Bellinger | 03 February 2014, 20:53:51 UTC | iscsi/iser-target: Use list_del_init for ->i_conn_node There are a handful of uses of list_empty() for cmd->i_conn_node within iser-target code that expect to return false once a cmd has been removed from the per connect list. This patch changes all uses of list_del -> list_del_init in order to ensure that list_empty() returns false as expected. Acked-by: Sagi Grimberg <sagig@mellanox.com> Cc: Or Gerlitz <ogerlitz@mellanox.com> Cc: <stable@vger.kernel.org> #3.10+ Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> | 05 March 2014, 01:54:09 UTC |
a2a99ce | Nicholas Bellinger | 26 February 2014, 11:09:41 UTC | iscsi-target: Fix iscsit_get_tpg_from_np tpg_state bug This patch fixes a bug in iscsit_get_tpg_from_np() where the tpg->tpg_state sanity check was looking for TPG_STATE_FREE, instead of != TPG_STATE_ACTIVE. The latter is expected during a normal TPG shutdown once the tpg_state goes into TPG_STATE_INACTIVE in order to reject any new incoming login attempts. Cc: <stable@vger.kernel.org> #3.10+ Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> | 05 March 2014, 01:54:09 UTC |
084b6e7 | Salva Peiró | 03 March 2014, 07:44:04 UTC | staging/cxt1e1/linux.c: Correct arbitrary memory write in c4_ioctl() The function c4_ioctl() writes data from user in ifr->ifr_data to the kernel struct data arg, without any iolen bounds checking. This can lead to a arbitrary write outside of the struct data arg. Corrected by adding bounds-checking of iolen before the copy_from_user(). Signed-off-by: Salva Peiró <speiro@ai2.upv.es> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 05 March 2014, 00:20:01 UTC |
0ac09f9 | Jiri Olsa | 28 February 2014, 16:05:26 UTC | x86, trace: Fix CR2 corruption when tracing page faults The trace_do_page_fault function trigger tracepoint and then handles the actual page fault. This could lead to error if the tracepoint caused page fault. The original cr2 value gets lost and the original page fault handler kills current process with SIGSEGV. This happens if you record page faults with callchain data, the user part of it will cause tracepoint handler to page fault: # perf record -g -e exceptions:page_fault_user ls Fixing this by saving the original cr2 value and using it after tracepoint handler is done. v2: Moving the cr2 read before exception_enter, because it could trigger tracepoint as well. Reported-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Reported-by: Vince Weaver <vincent.weaver@maine.edu> Tested-by: Vince Weaver <vincent.weaver@maine.edu> Acked-by: Steven Rostedt <rostedt@goodmis.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Seiji Aguchi <seiji.aguchi@hds.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1402211701380.6395@vincent-weaver-1.um.maine.edu Link: http://lkml.kernel.org/r/20140228160526.GD1133@krava.brq.redhat.com | 05 March 2014, 00:00:14 UTC |