https://github.com/torvalds/linux
- HEAD
- refs/heads/arm64-uaccess
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/certifi-2024.7.4
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/idna-3.7
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/requests-2.32.2
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/setuptools-70.0.0
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/urllib3-2.2.2
- refs/heads/master
- 9b6d25100ace1dcf9750803ff08f6b61f840be79
- v6.9-rc7
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Revision | Author | Date | Message | Commit Date |
---|---|---|---|---|
9b6d251 | Ilpo Järvinen | 20 February 2009, 23:38:45 UTC | sx.c: fix dbl statement if - add missing braces Caused by 736d54533aed (sx.c: fix missed unlock_kernel() on error path in sx_fw_ioctl()). You guys keep breaking things this way in every single kernel release in at least couple of places... :-( Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Acked-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 21 February 2009, 01:57:49 UTC |
ad44468 | Li Zefan | 20 February 2009, 23:38:43 UTC | README: fix a wrong filename It should be Documentation/build/kconfig.txt. Introduced by commit 2af238e455ef5fd31c2f7a06c2db3f13d843b9bf ("kbuild: make *config usage docs"). Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 21 February 2009, 01:57:49 UTC |
3ef0e5b | Johannes Weiner | 20 February 2009, 23:38:41 UTC | slab: introduce kzfree() kzfree() is a wrapper for kfree() that additionally zeroes the underlying memory before releasing it to the slab allocator. Currently there is code which memset()s the memory region of an object before releasing it back to the slab allocator to make sure security-sensitive data are really zeroed out after use. These callsites can then just use kzfree() which saves some code, makes users greppable and allows for a stupid destructor that isn't necessarily aware of the actual object size. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Matt Mackall <mpm@selenic.com> Acked-by: Christoph Lameter <cl@linux-foundation.org> Cc: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 21 February 2009, 01:57:48 UTC |
d919091 | Wei Yongjun | 20 February 2009, 23:38:40 UTC | mn10300: fix typo && -> || in arch/mn10300/unit-asb2305/pci.c Fix the typo && -> ||. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 21 February 2009, 01:57:48 UTC |
58bafe7 | David Howells | 20 February 2009, 23:38:38 UTC | mn10300: fix oprofile oprofile for MN10300 seems to have been broken by the advent of the new tracing framework. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 21 February 2009, 01:57:48 UTC |
41a9e64 | Luca Bigliardi | 20 February 2009, 23:38:36 UTC | uml: fix vde network backend in user mode linux * Replace kmalloc() with uml_kmalloc() (fix build failure) * Remove unnecessary UM_KERN_INFO in printk() (don't display '<6>' while printing info) Signed-off-by: Luca Bigliardi <shammash@artha.org> Cc: Jiri Kosina <jkosina@suse.cz> Reviewed-by: WANG Cong <wangcong@zeuux.org> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 21 February 2009, 01:57:48 UTC |
620565e | Linus Torvalds | 19 February 2009, 21:09:32 UTC | Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs * 'for-linus' of git://oss.sgi.com/xfs/xfs: Revert "[XFS] remove old vmap cache" Revert "[XFS] use scalable vmap API" | 19 February 2009, 21:09:32 UTC |
a5e7536 | Linus Torvalds | 19 February 2009, 21:09:20 UTC | Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] xen_domu build fix [IA64] fixes configs and add default config for ia64 xen domU [IA64] Remove redundant cpu_clear() in __cpu_disable path [IA64] Revert "prevent ia64 from invoking irq handlers on offline CPUs" [IA64] bte_copy of BTE_MAX_XFER trips BUG_ON. [IA64] Build fix for __early_pfn_to_nid() undefined link error | 19 February 2009, 21:09:20 UTC |
ec8148d | Tony Luck | 19 February 2009, 20:05:00 UTC | [IA64] xen_domu build fix arch/ia64/xen/xen_pv_ops.c:156: error: xen_init_ops causes a section type conflict arch/ia64/xen/xen_pv_ops.c:340: error: xen_iosapic_ops causes a section type conflict Signed-off-by: Tony Luck <tony.luck@intel.com> | 19 February 2009, 20:05:00 UTC |
1d5b20f | Isaku Yamahata | 16 January 2009, 03:17:30 UTC | [IA64] fixes configs and add default config for ia64 xen domU This patch fixes xen related Kconfigs and add default config file for ia64 xen domU. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Tony Luck <aegl@agluck-desktop.(none)> | 19 February 2009, 19:39:06 UTC |
c0acdea | Alex Chiang | 09 February 2009, 18:16:57 UTC | [IA64] Remove redundant cpu_clear() in __cpu_disable path The second call to cpu_clear() is redundant, as we've already removed the CPU from cpu_online_map before calling migrate_platform_irqs(). Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Tony Luck <aegl@agluck-desktop.(none)> | 19 February 2009, 19:32:50 UTC |
66db2e6 | Alex Chiang | 09 February 2009, 18:16:16 UTC | [IA64] Revert "prevent ia64 from invoking irq handlers on offline CPUs" This reverts commit e7b140365b86aaf94374214c6f4e6decbee2eb0a. Commit e7b14036 removes the targetted disabled CPU from the cpu_online_map after calls to migrate_platform_irqs and fixup_irqs. Paul McKenney states that the reasoning behind the patch was to prevent irq handlers from running on CPUs marked offline because: RCU happily ignores CPUs that don't have their bits set in cpu_online_map, so if there are RCU read-side critical sections in the irq handlers being run, RCU will ignore them. If the other CPUs were running, they might sequence through the RCU state machine, which could result in data structures being yanked out from under those irq handlers, which in turn could result in oopses or worse. Unfortunately, both ia64 functions above look at cpu_online_map to find a new CPU to migrate interrupts onto. This means we can potentially migrate an interrupt off ourself back to... ourself. Uh oh. This causes an oops when we finally try to process pending interrupts on the CPU we want to disable. The oops results from calling __do_IRQ with a NULL pt_regs: Unable to handle kernel NULL pointer dereference (address 0000000000000040) Call Trace: [<a000000100016930>] show_stack+0x50/0xa0 sp=e0000009c922fa00 bsp=e0000009c92214d0 [<a0000001000171a0>] show_regs+0x820/0x860 sp=e0000009c922fbd0 bsp=e0000009c9221478 [<a00000010003c700>] die+0x1a0/0x2e0 sp=e0000009c922fbd0 bsp=e0000009c9221438 [<a0000001006e92f0>] ia64_do_page_fault+0x950/0xa80 sp=e0000009c922fbd0 bsp=e0000009c92213d8 [<a00000010000c7a0>] ia64_native_leave_kernel+0x0/0x270 sp=e0000009c922fc60 bsp=e0000009c92213d8 [<a0000001000ecdb0>] profile_tick+0xd0/0x1c0 sp=e0000009c922fe30 bsp=e0000009c9221398 [<a00000010003bb90>] timer_interrupt+0x170/0x3e0 sp=e0000009c922fe30 bsp=e0000009c9221330 [<a00000010013a800>] handle_IRQ_event+0x80/0x120 sp=e0000009c922fe30 bsp=e0000009c92212f8 [<a00000010013aa00>] __do_IRQ+0x160/0x4a0 sp=e0000009c922fe30 bsp=e0000009c9221290 [<a000000100012290>] ia64_process_pending_intr+0x2b0/0x360 sp=e0000009c922fe30 bsp=e0000009c9221208 [<a0000001000112d0>] fixup_irqs+0xf0/0x2a0 sp=e0000009c922fe30 bsp=e0000009c92211a8 [<a00000010005bd80>] __cpu_disable+0x140/0x240 sp=e0000009c922fe30 bsp=e0000009c9221168 [<a0000001006c5870>] take_cpu_down+0x50/0xa0 sp=e0000009c922fe30 bsp=e0000009c9221148 [<a000000100122610>] stop_cpu+0xd0/0x200 sp=e0000009c922fe30 bsp=e0000009c92210f0 [<a0000001000e0440>] kthread+0xc0/0x140 sp=e0000009c922fe30 bsp=e0000009c92210c8 [<a000000100014ab0>] kernel_thread_helper+0xd0/0x100 sp=e0000009c922fe30 bsp=e0000009c92210a0 [<a00000010000a4c0>] start_kernel_thread+0x20/0x40 sp=e0000009c922fe30 bsp=e0000009c92210a0 I don't like this revert because it is fragile. ia64 is getting lucky because we seem to only ever process timer interrupts in this path, but if we ever race with an IPI here, we definitely use RCU and have the potential of hitting an oops that Paul describes above. Patching ia64's timer_interrupt() to check for NULL pt_regs is insufficient though, as we still hit the above oops. As a short term solution, I do think that this revert is the right answer. The revert hold up under repeated testing (24+ hour test runs) with this setup: - 8-way rx6600 - randomly toggling CPU online/offline state every 2 seconds - running CPU exercisers, memory hog, disk exercisers, and network stressors - average system load around ~160 In the long term, we really need to figure out why we set pt_regs = NULL in ia64_process_pending_intr(). If it turns out that it is unnecessary to do so, then we could safely re-introduce e7b14036 (along with some other logic to be smarter about migrating interrupts). One final note: x86 also removes the disabled CPU from cpu_online_map and then re-enables interrupts for 1ms, presumably to handle any pending interrupts: arch/x86/kernel/irq_32.c (and irq_64.c): cpu_disable_common: [remove cpu from cpu_online_map] fixup_irqs(): for_each_irq: [break CPU affinities] local_irq_enable(); mdelay(1); local_irq_disable(); So they are doing implicitly what ia64 is doing explicitly. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Tony Luck <aegl@agluck-desktop.(none)> | 19 February 2009, 19:32:26 UTC |
39d481c | Robin Holt | 04 February 2009, 00:40:59 UTC | [IA64] bte_copy of BTE_MAX_XFER trips BUG_ON. BTE_MAX_XFER is wrong. It is one greater than the number of cache lines the BTE is actually able to transfer. If you request a transfer of exactly BTE_MAX_XFER size, you trip a very cryptic BUG_ON() which should certainly be made more clear. This patch fixes that constant and also cleans up the BUG_ON()s in arch/ia64/sn/kernel/bte.c to test one condition per line. Signed-off-by: Robin Holt <holt@sgi.com> Signed-off-by: Tony Luck <aegl@agluck-desktop.(none)> | 19 February 2009, 19:29:31 UTC |
334f85b | Tony Luck | 19 February 2009, 19:22:36 UTC | [IA64] Build fix for __early_pfn_to_nid() undefined link error ia64 only defines __early_pfn_to_nid() for SPARSEMEM && NUMA configurations, so the recent: commit: f2dbcfa738368c8a40d4a5f0b65dc9879577cb21 mm: clean up for early_pfn_to_nid() ends up with some link problems for certain configuration files. Fix arch/ia64/Kconfig to only define HAVE_ARCH_EARLY_PFN_TO_NID in the cases where we do provide this function. Signed-off-by: Tony Luck <tony.luck@intel.com> | 19 February 2009, 19:22:36 UTC |
27e88bf | Felix Blyakher | 18 February 2009, 21:56:51 UTC | Revert "[XFS] remove old vmap cache" This reverts commit d2859751cd0bf586941ffa7308635a293f943c17. This commit caused regression. We'll try to fix use of new vmap API for next release. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Felix Blyakher <felixb@sgi.com> | 19 February 2009, 19:15:55 UTC |
7fdf582 | Felix Blyakher | 18 February 2009, 21:41:28 UTC | Revert "[XFS] use scalable vmap API" This reverts commit 95f8e302c04c0b0c6de35ab399a5551605eeb006. This commit caused regression. We'll try to fix use of new vmap API for next release. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Felix Blyakher <felixb@sgi.com> | 19 February 2009, 19:15:44 UTC |
402a917 | Linus Torvalds | 19 February 2009, 17:52:12 UTC | Merge master.kernel.org:/home/rmk/linux-2.6-arm * master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 5405/1: ep93xx: remove unused gesbc9312.h header [ARM] 5404/1: Fix condition in arm_elf_read_implies_exec() to set READ_IMPLIES_EXEC [ARM] omap: fix clock reparenting in omap2_clk_set_parent() [ARM] 5403/1: pxa25x_ep_fifo_flush() *ep->reg_udccs always set to 0 [ARM] 5402/1: fix a case of wrap-around in sanity_check_meminfo() [ARM] 5401/1: Orion: fix edge triggered GPIO interrupt support [ARM] 5400/1: Add support for inverted rdy_busy pin for Atmel nand device controller [ARM] 5391/1: AT91: Enable GPIO clocks earlier [ARM] 5390/1: AT91: Watchdog fixes [ARM] 5398/1: Add Wan ZongShun to MAINTAINERS for W90P910 [ARM] omap: fix _omap2_clksel_get_src_field() [ARM] omap: fix omap2_divisor_to_clksel() error return value | 19 February 2009, 17:52:12 UTC |
bcf8951 | Linus Torvalds | 19 February 2009, 17:14:35 UTC | Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, mce: fix ifdef for 64bit thermal apic vector clear on shutdown x86, mce: use force_sig_info to kill process in machine check x86, mce: reinitialize per cpu features on resume x86, rcu: fix strange load average and ksoftirqd behavior | 19 February 2009, 17:14:35 UTC |
f54b2fe | Linus Torvalds | 19 February 2009, 17:14:22 UTC | Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: tracing: limit the number of loops the ring buffer self test can make tracing: have function trace select kallsyms tracing: disable tracing while testing ring buffer tracing/function-graph-tracer: trace the idle tasks | 19 February 2009, 17:14:22 UTC |
83ff1af | Linus Torvalds | 19 February 2009, 16:35:52 UTC | Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6 * 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: [S390] fix "mem=" handling in case of standby memory [S390] Fix timeval regression on s390 [S390] sclp: handle empty event buffers | 19 February 2009, 16:35:52 UTC |
a1342d3 | Linus Torvalds | 19 February 2009, 16:35:29 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: sound: virtuoso: revert "do not overwrite EEPROM on Xonar D2/D2X" ALSA: jack - Use card->shortname for input name ALSA: usb-audio - Workaround for misdetected sample rate with CM6207 ALSA: usb-audio - Fix non-continuous rate detection sound: usb-audio: fix uninitialized variable with M-Audio MIDI interfaces Revert "Sound: hda - Restore PCI configuration space with interrupts off" | 19 February 2009, 16:35:29 UTC |
9dd446f | Hartley Sweeten | 19 February 2009, 16:09:04 UTC | [ARM] 5405/1: ep93xx: remove unused gesbc9312.h header Remove the gesbc9312.h header since it is unused. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 19 February 2009, 16:13:02 UTC |
9da616f | Makito SHIOKAWA | 19 February 2009, 14:34:59 UTC | [ARM] 5404/1: Fix condition in arm_elf_read_implies_exec() to set READ_IMPLIES_EXEC READ_IMPLIES_EXEC must be set when: o binary _is_ an executable stack (i.e. not EXSTACK_DISABLE_X) o processor architecture is _under_ ARMv6 (XN bit is supported from ARMv6) Signed-off-by: Makito SHIOKAWA <lkhmkt@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 19 February 2009, 14:45:27 UTC |
23d75d9 | Heiko Carstens | 19 February 2009, 14:19:01 UTC | [S390] fix "mem=" handling in case of standby memory Standby memory detected with the sclp interface gets always registered with add_memory calls without considering the limitationt that the "mem=" kernel paramater implies. So fix this and only register standby memory that is below the specified limit. This fixes zfcpdump since it uses "mem=32M". In case there is appr. 2GB standby memory present all of usable memory would be used for the struct pages needed for standby memory. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> | 19 February 2009, 14:19:19 UTC |
d5cd034 | Christian Borntraeger | 19 February 2009, 14:19:00 UTC | [S390] Fix timeval regression on s390 commit aa5e97ce4bbc9d5daeec16b1d15bb3f6b7b4f4d4 [PATCH] improve precision of process accounting. Introduced a timing regression: -bash-3.2# time ls real 0m0.006s user 0m1.754s sys 0m1.094s The problem was introduced by an error in cputime_to_timeval. Cputime is now 1/4096 microsecond, therefore, we have to divide the remainder with 4096 to get the microseconds. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> | 19 February 2009, 14:19:19 UTC |
e2e5a0f | Peter Oberparleiter | 19 February 2009, 14:18:59 UTC | [S390] sclp: handle empty event buffers Handle a malformed hardware response which some versions of the Support Element (SE) may present during SE restart and which otherwise would result in an endless loop in function sclp_dispatch_evbufs. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> | 19 February 2009, 14:19:19 UTC |
41f3103 | Russell King | 19 February 2009, 13:25:16 UTC | [ARM] omap: fix clock reparenting in omap2_clk_set_parent() When changing the parent of a clock, it is necessary to keep the clock use counts balanced otherwise things the parent state will get corrupted. Since we already disable and re-enable the clock, we might as well use the recursive versions instead. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 19 February 2009, 13:25:16 UTC |
e432472 | Takashi Iwai | 19 February 2009, 12:58:05 UTC | Merge branch 'fix/usb-audio' into for-linus | 19 February 2009, 12:58:05 UTC |
e6845d9 | Takashi Iwai | 19 February 2009, 12:58:01 UTC | Merge branch 'fix/misc' into for-linus | 19 February 2009, 12:58:01 UTC |
379752f | Takashi Iwai | 19 February 2009, 12:57:52 UTC | Merge branch 'fix/hda' into for-linus | 19 February 2009, 12:57:52 UTC |
22eb36f | Roel Kluin | 19 February 2009, 10:57:46 UTC | [ARM] 5403/1: pxa25x_ep_fifo_flush() *ep->reg_udccs always set to 0 *ep->reg_udccs is always set to 0. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 19 February 2009, 11:04:46 UTC |
3fd9825 | Nicolas Pitre | 18 February 2009, 21:29:22 UTC | [ARM] 5402/1: fix a case of wrap-around in sanity_check_meminfo() In the non highmem case, if two memory banks of 1GB each are provided, the second bank would evade suppression since its virtual base would be 0. Fix this by disallowing any memory bank which virtual base address is found to be lower than PAGE_OFFSET. Reported-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 19 February 2009, 09:49:45 UTC |
ed4a2f3 | Ingo Molnar | 19 February 2009, 09:16:45 UTC | Merge branch 'tip/tracing/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/urgent | 19 February 2009, 09:16:45 UTC |
6ce6c47 | Clemens Ladisch | 17 February 2009, 08:50:30 UTC | sound: virtuoso: revert "do not overwrite EEPROM on Xonar D2/D2X" This reverts commit 7e86c0e6850504ec9516b953f316a47277825e33 ("do not overwrite EEPROM on Xonar D2/D2X") because it did not actually help with the problem. More user reports show that the overwriting of the EEPROM is not triggered by using this driver but by installing Linux, and that the installation of any other operating system (even one without any CMI8788 driver) has the same effect. In other words, the presence of this driver does not have any effect on the occurrence of the error. (So far, the available evidence seems to point to a BIOS bug.) Furthermore, it turns out that the EEPROM chip is protected against stray write commands by the command format and by requiring a separate write-enable command, so the error scenario in the previous commit (that SPI writes can be misinterpreted as an EEPROM write command) is not even theoretically possible. The mixer control that was removed as a consequence of the previous commit can only be partially emulated in userspace, which also means it cannot be seen be the in-kernel OSS API emulation, so it is better to revert that change. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Cc: <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> | 19 February 2009, 09:15:39 UTC |
4b3e3d2 | Steven Rostedt | 19 February 2009, 03:50:01 UTC | tracing: limit the number of loops the ring buffer self test can make Impact: prevent deadlock if ring buffer gets corrupted This patch adds a paranoid check to make sure the ring buffer consumer does not go into an infinite loop. Since the ring buffer has been set to read only, the consumer should not loop for more than the ring buffer size. A check is added to make sure the consumer does not loop more than the ring buffer size. Signed-off-by: Steven Rostedt <srostedt@redhat.com> | 19 February 2009, 03:50:01 UTC |
4d7a077 | Steven Rostedt | 19 February 2009, 03:06:18 UTC | tracing: have function trace select kallsyms Impact: fix output of function tracer to be useful The function tracer is pretty useless if KALLSYMS is not configured. Unless you are good at reading hex values, the function tracer should select the KALLSYMS configuration. Also, the dynamic function tracer will fail its self test if KALLSYMS is not selected. Signed-off-by: Steven Rostedt <srostedt@redhat.com> | 19 February 2009, 03:06:18 UTC |
0c5119c | Steven Rostedt | 18 February 2009, 23:33:57 UTC | tracing: disable tracing while testing ring buffer Impact: fix to prevent hard lockup on self tests If one of the tracers are broken and is constantly filling the ring buffer while the test of the ring buffer is running, it will hang the box. The reason is that the test is a consumer that will not stop till the ring buffer is empty. But if the tracer is broken and is constantly producing input to the buffer, this test will never end. The result is a lockup of the box. This happened when KALLSYMS was not defined and the dynamic ftrace test constantly filled the ring buffer, because the filter failed and all functions were being traced. Something was being called that constantly filled the buffer. Signed-off-by: Steven Rostedt <srostedt@redhat.com> | 19 February 2009, 03:04:01 UTC |
ba95fd4 | Linus Torvalds | 19 February 2009, 02:33:04 UTC | Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block * 'for-linus' of git://git.kernel.dk/linux-2.6-block: block: fix deadlock in blk_abort_queue() for drivers that readd to timeout list block: fix booting from partitioned md array block: revert part of 18ce3751ccd488c78d3827e9f6bf54e6322676fb cciss: PCI power management reset for kexec paride/pg.c: xs(): &&/|| confusion fs/bio: bio_alloc_bioset: pass right object ptr to mempool_free block: fix bad definition of BIO_RW_SYNC bsg: Fix sense buffer bug in SG_IO | 19 February 2009, 02:33:04 UTC |
59af0a0 | Linus Torvalds | 19 February 2009, 01:55:15 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: omap_hsmmc: Change while(); loops with finite version omap_hsmmc: recover from transfer failures omap_hsmmc: only MMC1 allows HCTL.SDVS != 1.8V omap_hsmmc: card detect irq bugfix sdhci: fix led naming mmc_test: fix basic read test s3cmci: Fix hangup in do_pio_write() Revert "sdhci: force high speed capability on some controllers" MMC: fix bug - SDHC card capacity not correct | 19 February 2009, 01:55:15 UTC |
f04b30d | Ingo Molnar | 18 February 2009, 22:48:43 UTC | inotify: fix GFP_KERNEL related deadlock Enhanced lockdep coverage of __GFP_NOFS turned up this new lockdep assert: [ 1093.677775] [ 1093.677781] ================================= [ 1093.680031] [ INFO: inconsistent lock state ] [ 1093.680031] 2.6.29-rc5-tip-01504-gb49eca1-dirty #1 [ 1093.680031] --------------------------------- [ 1093.680031] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-W} usage. [ 1093.680031] kswapd0/308 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 1093.680031] (&inode->inotify_mutex){+.+.?.}, at: [<c0205942>] inotify_inode_is_dead+0x20/0x80 [ 1093.680031] {RECLAIM_FS-ON-W} state was registered at: [ 1093.680031] [<c01696b9>] mark_held_locks+0x43/0x5b [ 1093.680031] [<c016baa4>] lockdep_trace_alloc+0x6c/0x6e [ 1093.680031] [<c01cf8b0>] kmem_cache_alloc+0x20/0x150 [ 1093.680031] [<c040d0ec>] idr_pre_get+0x27/0x6c [ 1093.680031] [<c02056e3>] inotify_handle_get_wd+0x25/0xad [ 1093.680031] [<c0205f43>] inotify_add_watch+0x7a/0x129 [ 1093.680031] [<c020679e>] sys_inotify_add_watch+0x20f/0x250 [ 1093.680031] [<c010389e>] sysenter_do_call+0x12/0x35 [ 1093.680031] [<ffffffff>] 0xffffffff [ 1093.680031] irq event stamp: 60417 [ 1093.680031] hardirqs last enabled at (60417): [<c018d5f5>] call_rcu+0x53/0x59 [ 1093.680031] hardirqs last disabled at (60416): [<c018d5b9>] call_rcu+0x17/0x59 [ 1093.680031] softirqs last enabled at (59656): [<c0146229>] __do_softirq+0x157/0x16b [ 1093.680031] softirqs last disabled at (59651): [<c0106293>] do_softirq+0x74/0x15d [ 1093.680031] [ 1093.680031] other info that might help us debug this: [ 1093.680031] 2 locks held by kswapd0/308: [ 1093.680031] #0: (shrinker_rwsem){++++..}, at: [<c01b0502>] shrink_slab+0x36/0x189 [ 1093.680031] #1: (&type->s_umount_key#4){+++++.}, at: [<c01e6d77>] shrink_dcache_memory+0x110/0x1fb [ 1093.680031] [ 1093.680031] stack backtrace: [ 1093.680031] Pid: 308, comm: kswapd0 Not tainted 2.6.29-rc5-tip-01504-gb49eca1-dirty #1 [ 1093.680031] Call Trace: [ 1093.680031] [<c016947a>] valid_state+0x12a/0x13d [ 1093.680031] [<c016954e>] mark_lock+0xc1/0x1e9 [ 1093.680031] [<c016a5b4>] ? check_usage_forwards+0x0/0x3f [ 1093.680031] [<c016ab74>] __lock_acquire+0x2c6/0xac8 [ 1093.680031] [<c01688d9>] ? register_lock_class+0x17/0x228 [ 1093.680031] [<c016b3d3>] lock_acquire+0x5d/0x7a [ 1093.680031] [<c0205942>] ? inotify_inode_is_dead+0x20/0x80 [ 1093.680031] [<c08824c4>] __mutex_lock_common+0x3a/0x4cb [ 1093.680031] [<c0205942>] ? inotify_inode_is_dead+0x20/0x80 [ 1093.680031] [<c08829ed>] mutex_lock_nested+0x2e/0x36 [ 1093.680031] [<c0205942>] ? inotify_inode_is_dead+0x20/0x80 [ 1093.680031] [<c0205942>] inotify_inode_is_dead+0x20/0x80 [ 1093.680031] [<c01e6672>] dentry_iput+0x90/0xc2 [ 1093.680031] [<c01e67a3>] d_kill+0x21/0x45 [ 1093.680031] [<c01e6a46>] __shrink_dcache_sb+0x27f/0x355 [ 1093.680031] [<c01e6dc5>] shrink_dcache_memory+0x15e/0x1fb [ 1093.680031] [<c01b05ed>] shrink_slab+0x121/0x189 [ 1093.680031] [<c01b0d12>] kswapd+0x39f/0x561 [ 1093.680031] [<c01ae499>] ? isolate_pages_global+0x0/0x233 [ 1093.680031] [<c0157eae>] ? autoremove_wake_function+0x0/0x43 [ 1093.680031] [<c01b0973>] ? kswapd+0x0/0x561 [ 1093.680031] [<c0157daf>] kthread+0x41/0x82 [ 1093.680031] [<c0157d6e>] ? kthread+0x0/0x82 [ 1093.680031] [<c01043ab>] kernel_thread_helper+0x7/0x10 inotify_handle_get_wd() does idr_pre_get() which does a kmem_cache_alloc() without __GFP_FS - and is hence deadlockable under extreme MM pressure. Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: MinChan Kim <minchan.kim@gmail.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:56 UTC |
be50344 | Michael Buesch | 18 February 2009, 22:48:41 UTC | spi-gpio: sanitize MISO bitvalue gpio_get_value() returns 0 or nonzero, but getmiso() expects 0 or 1. Sanitize the value to a 0/1 boolean. Signed-off-by: Michael Buesch <mb@bu3sch.de> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:56 UTC |
97bef7d | Bernhard Walle | 18 February 2009, 22:48:40 UTC | Bernhard has moved Since I don't work for SUSE any more and the bwalle@suse.de address is invalid, correct it in the copyright headers and documentation. Signed-off-by: Bernhard Walle <bernhard.walle@gmx.de> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:56 UTC |
310d8c9 | Randy Dunlap | 18 February 2009, 22:48:39 UTC | x86: dell-laptop: depends on POWER_SUPPLY Build breaks when DELL_LAPTOP=y and POWER_SUPPLY=m. DELL_LAPTOP needs to depend on POWER_SUPPLY. dell-laptop.c:(.text+0x1ef3c4): undefined reference to `power_supply_is_system_supplied' dell-laptop.c:(.text+0x1ef45e): undefined reference to `power_supply_is_system_supplied' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Matthew Garrett <mjg59@srcf.ucam.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:56 UTC |
2db69a9 | Bill Nottingham | 18 February 2009, 22:48:39 UTC | vt: Declare PIO_CMAP/GIO_CMAP as compatbile ioctls. Otherwise, these don't work when called from 32-bit userspace on 64-bit kernels. Cc: Jiri Kosina <jkosina@suse.cz> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x, 2.6.27.x, 2.6.28.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:56 UTC |
a1a5c3b | Krzysztof Helt | 18 February 2009, 22:48:38 UTC | fbdev/drm: fix Kconfig submenu mess in "Graphics support" Submenus of the graphics support "Support for frame buffer devices" and "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)" are broken in half after latest changes for Intel 915 mode setting support. The DRM subsection is broken because one option is put outside the choice section it depends on. The frame buffers part is broken then due to circular dependency. Fix this by make Intel frame buffers depend on CONFIG_INTEL_AGP. Kconfigs are broken by d2f59357700487a8b944f4f7777d1e97cf5ea2ed ("drm/i915: select framebuffer support automatically"). This is probably not only way to fix this. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Cc: Ingo Molnar <mingo@elte.hu> Cc: Dave Airlie <airlied@linux.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:56 UTC |
5a74db0 | Philippe De Muyter | 18 February 2009, 22:48:36 UTC | floppy: request and release only the ports we actually use The floppy driver requests an I/O port it doesn't need, and sometimes this causes a conflict with a motherboard device reported by PNPBIOS. This patch makes the floppy driver request and release only the ports it actually uses. It also factors out the request/release stuff and the io-ports list so they're all in one place now. The current floppy driver uses only these ports: 0x3f2 (FD_DOR) 0x3f4 (FD_STATUS) 0x3f5 (FD_DATA) 0x3f7 (FD_DCR/FD_DIR) but it requests 0x3f2-0x3f5 and 0x3f7, which includes the unused port 0x3f3. Some BIOSes report 0x3f3 as a motherboard resource. The PNP system driver reserves that, which causes a conflict when the floppy driver requests 0x3f2-0x3f5 later. Philippe reported that this conflict broke the floppy driver between 2.6.11 and 2.6.22. His PNPBIOS reports these devices: $ cat 00:07/id 00:07/resources # motherboard device PNP0c02 state = active io 0x80-0x80 io 0x10-0x1f io 0x22-0x3f io 0x44-0x5f io 0x90-0x9f io 0xa2-0xbf io 0x3f0-0x3f1 io 0x3f3-0x3f3 $ cat 00:03/id 00:03/resources # floppy device PNP0700 state = active io 0x3f4-0x3f5 io 0x3f2-0x3f2 Reference: http://lkml.org/lkml/2009/1/31/162 Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Philippe De Muyter <phdm@macqel.be> Reported-by: Philippe De Muyter <phdm@macqel.be> Tested-by: Philippe De Muyter <phdm@macqel.be> Cc: Adam M Belay <abelay@mit.edu> Cc: Robert Hancock <hancockrwd@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:55 UTC |
ffa7525 | Adam Lackorzynski | 18 February 2009, 22:48:34 UTC | jsm: additional device support I have a Digi Neo 8 PCI card (114f:00b1) Serial controller: Digi International Digi Neo 8 (rev 05) that works with the jsm driver after using the following patch. Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de> Cc: Scott H Kilau <Scott_Kilau@digi.com> Cc: Wendy Xiong <wendyx@us.ibm.com> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:55 UTC |
cc2559b | KAMEZAWA Hiroyuki | 18 February 2009, 22:48:33 UTC | mm: fix memmap init for handling memory hole Now, early_pfn_in_nid(PFN, NID) may returns false if PFN is a hole. and memmap initialization was not done. This was a trouble for sparc boot. To fix this, the PFN should be initialized and marked as PG_reserved. This patch changes early_pfn_in_nid() return true if PFN is a hole. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Reported-by: David Miller <davem@davemlloft.net> Tested-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x, 2.6.27.x, 2.6.28.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:55 UTC |
f2dbcfa | KAMEZAWA Hiroyuki | 18 February 2009, 22:48:32 UTC | mm: clean up for early_pfn_to_nid() What's happening is that the assertion in mm/page_alloc.c:move_freepages() is triggering: BUG_ON(page_zone(start_page) != page_zone(end_page)); Once I knew this is what was happening, I added some annotations: if (unlikely(page_zone(start_page) != page_zone(end_page))) { printk(KERN_ERR "move_freepages: Bogus zones: " "start_page[%p] end_page[%p] zone[%p]\n", start_page, end_page, zone); printk(KERN_ERR "move_freepages: " "start_zone[%p] end_zone[%p]\n", page_zone(start_page), page_zone(end_page)); printk(KERN_ERR "move_freepages: " "start_pfn[0x%lx] end_pfn[0x%lx]\n", page_to_pfn(start_page), page_to_pfn(end_page)); printk(KERN_ERR "move_freepages: " "start_nid[%d] end_nid[%d]\n", page_to_nid(start_page), page_to_nid(end_page)); ... And here's what I got: move_freepages: Bogus zones: start_page[2207d0000] end_page[2207dffc0] zone[fffff8103effcb00] move_freepages: start_zone[fffff8103effcb00] end_zone[fffff8003fffeb00] move_freepages: start_pfn[0x81f600] end_pfn[0x81f7ff] move_freepages: start_nid[1] end_nid[0] My memory layout on this box is: [ 0.000000] Zone PFN ranges: [ 0.000000] Normal 0x00000000 -> 0x0081ff5d [ 0.000000] Movable zone start PFN for each node [ 0.000000] early_node_map[8] active PFN ranges [ 0.000000] 0: 0x00000000 -> 0x00020000 [ 0.000000] 1: 0x00800000 -> 0x0081f7ff [ 0.000000] 1: 0x0081f800 -> 0x0081fe50 [ 0.000000] 1: 0x0081fed1 -> 0x0081fed8 [ 0.000000] 1: 0x0081feda -> 0x0081fedb [ 0.000000] 1: 0x0081fedd -> 0x0081fee5 [ 0.000000] 1: 0x0081fee7 -> 0x0081ff51 [ 0.000000] 1: 0x0081ff59 -> 0x0081ff5d So it's a block move in that 0x81f600-->0x81f7ff region which triggers the problem. This patch: Declaration of early_pfn_to_nid() is scattered over per-arch include files, and it seems it's complicated to know when the declaration is used. I think it makes fix-for-memmap-init not easy. This patch moves all declaration to include/linux/mm.h After this, if !CONFIG_NODES_POPULATES_NODE_MAP && !CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID -> Use static definition in include/linux/mm.h else if !CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID -> Use generic definition in mm/page_alloc.c else -> per-arch back end function will be called. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Tested-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Reported-by: David Miller <davem@davemlloft.net> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x, 2.6.27.x, 2.6.28.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:55 UTC |
ada723d | Peter Zijlstra | 18 February 2009, 22:48:30 UTC | fs/super.c: add lockdep annotation to s_umount Li Zefan said: Thread 1: for ((; ;)) { mount -t cpuset xxx /mnt > /dev/null 2>&1 cat /mnt/cpus > /dev/null 2>&1 umount /mnt > /dev/null 2>&1 } Thread 2: for ((; ;)) { mount -t cpuset xxx /mnt > /dev/null 2>&1 umount /mnt > /dev/null 2>&1 } (Note: It is irrelevant which cgroup subsys is used.) After a while a lockdep warning showed up: ============================================= [ INFO: possible recursive locking detected ] 2.6.28 #479 --------------------------------------------- mount/13554 is trying to acquire lock: (&type->s_umount_key#19){--..}, at: [<c049d888>] sget+0x5e/0x321 but task is already holding lock: (&type->s_umount_key#19){--..}, at: [<c049da0c>] sget+0x1e2/0x321 other info that might help us debug this: 1 lock held by mount/13554: #0: (&type->s_umount_key#19){--..}, at: [<c049da0c>] sget+0x1e2/0x321 stack backtrace: Pid: 13554, comm: mount Not tainted 2.6.28-mc #479 Call Trace: [<c044ad2e>] validate_chain+0x4c6/0xbbd [<c044ba9b>] __lock_acquire+0x676/0x700 [<c044bb82>] lock_acquire+0x5d/0x7a [<c049d888>] ? sget+0x5e/0x321 [<c061b9b8>] down_write+0x34/0x50 [<c049d888>] ? sget+0x5e/0x321 [<c049d888>] sget+0x5e/0x321 [<c045a2e7>] ? cgroup_set_super+0x0/0x3e [<c045959f>] ? cgroup_test_super+0x0/0x2f [<c045bcea>] cgroup_get_sb+0x98/0x2e7 [<c045cfb6>] cpuset_get_sb+0x4a/0x5f [<c049dfa4>] vfs_kern_mount+0x40/0x7b [<c049e02d>] do_kern_mount+0x37/0xbf [<c04af4a0>] do_mount+0x5c3/0x61a [<c04addd2>] ? copy_mount_options+0x2c/0x111 [<c04af560>] sys_mount+0x69/0xa0 [<c0403251>] sysenter_do_call+0x12/0x31 The cause is after alloc_super() and then retry, an old entry in list fs_supers is found, so grab_super(old) is called, but both functions hold s_umount lock: struct super_block *sget(...) { ... retry: spin_lock(&sb_lock); if (test) { list_for_each_entry(old, &type->fs_supers, s_instances) { if (!test(old, data)) continue; if (!grab_super(old)) <--- 2nd: down_write(&old->s_umount); goto retry; if (s) destroy_super(s); return old; } } if (!s) { spin_unlock(&sb_lock); s = alloc_super(type); <--- 1th: down_write(&s->s_umount) if (!s) return ERR_PTR(-ENOMEM); goto retry; } ... } It seems like a false positive, and seems like VFS but not cgroup needs to be fixed. Peter said: We can simply put the new s_umount instance in a but lockdep doesn't particularly cares about subclass order. If there's any issue with the callers of sget() assuming the s_umount lock being of sublcass 0, then there is another annotation we can use to fix that, but lets not bother with that if this is sufficient. Addresses http://bugzilla.kernel.org/show_bug.cgi?id=12673 Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Tested-by: Li Zefan <lizf@cn.fujitsu.com> Reported-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Paul Menage <menage@google.com> Cc: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:55 UTC |
27c0c8e | Atsushi Nemoto | 18 February 2009, 22:48:28 UTC | atmel_serial might lose modem status change I found a problem of handling of modem status of atmel_serial driver. With the commit 1ecc26 ("atmel_serial: split the interrupt handler"), handling of modem status signal was splitted into two parts. The atmel_tasklet_func() compares new status with irq_status_prev, but irq_status_prev is not correct if signal status was changed while the port is closed. Here is a sequence to cause problem: 1. Remote side sets CTS (and DSR). 2. Local side close the port. 3. Local side clears RTS and DTR. 4. Remote side clears CTS and DSR. 5. Local side reopen the port. hw_stopped becomes 1. 6. Local side sets RTS and DTR. 7. Remote side sets CTS and DSR. Then CTS change interrupt can be received, but since CTS bit in irq_status_prev and new status is same, uart_handle_cts_change() will not be called (so hw_stopped will not be cleared, i.e. cannot send any data). I suppose irq_status_prev should be initialized at somewhere in open sequence. Itai Levi pointed out that we need to initialize atmel_port->irq_status as well here. His analysis is as follows: > Regarding the second part of the patch (which resets irq_status_prev), > it turns out that both versions of the patch (mine and Atsushi's) > still leave enough room for faulty behavior when opening the port. > > This is because we are not resetting both irq_status_prev and > irq_status in atmel_startup() to CSR, which leads faulty behavior in > the following sequences: > > First case: > 1. closing the port while CTS line = 1 (TX not allowed) > 2. setting CTS line = 0 (TX allowed) > 3. opening the port > 4. transmitting one char > 5. Cannot transmit more chars, although CTS line is 0 > > Second case: > 1. closing the port while CTS line = 0 (TX allowed) > 2. setting CTS line = 1 (TX not allowed) > 3. opening the port > 4. receiving some chars > 5. Now we can transmit, although CTS line is 1 > > This reason for this is that the tasklet is scheduled as a result of > TX or RX interrupts (not a status change!), in steps 4 above. Inside > the tasklet, the atmel_port->irq_status (which holds the value from > the previous session) is compared to atmel_port->irq_status_prev. > Hence, a status-change of the CTS line is faultily detected. > > Both cases were verified on 9260 hardware. [haavard.skinnemoen@atmel.com: folded with patch from Itai Levi] Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com> Cc: Remy Bohmer <linux@bohmer.net> Cc: Marc Pignat <marc.pignat@hevs.ch> Cc: Itai Levi <itai.levi.devel@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:55 UTC |
287d859 | Dan Williams | 18 February 2009, 22:48:26 UTC | atmel-mci: fix initialization of dma slave data The conversion of atmel-mci to dma_request_channel missed the initialization of the channel dma_slave information. The filter_fn passed to dma_request_channel is responsible for initializing the channel's private data. This implementation has the additional benefit of enabling a generic client-channel data passing mechanism. Reviewed-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:55 UTC |
9ccf3b5 | Giuseppe Bilotta | 18 February 2009, 22:48:25 UTC | lis3lv02d: add axes knowledge of HP Pavilion dv5 models Add support for HP Pavilion dv5. Since Intel-based models have an inverted x axis, while AMD-based models have an inverted y axis, we introduce a new macro that special-cases axis orientation based on two DMI entries: HP dv5 axis configuration is then based on both the PRODUCT and BOARD name. Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com> Cc: Eric Piel <Eric.Piel@tremplin-utc.net> Cc: Pavel Machek <pavel@suse.cz> Tested-by: Palatis Tseng <palatis@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:54 UTC |
137bad3 | Giuseppe Bilotta | 18 February 2009, 22:48:24 UTC | lis3lv02d: support both one- and two-byte sensors Sensors responding with 0x3B to WHO_AM_I only have one data register per direction, thus returning a signed byte from the position which is occupied by the MSB in sensors responding with 0x3A. Since multiple sensors share the reply to WHO_AM_I, we rename the defines to better indicate what they identify (family of single and double precision sensors). We support both kind of sensors by checking for the sensor type on init and defining appropriate data-access routines and sensor limits (for the joystick) depending on what we find. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com> Acked-by: Eric Piel <Eric.Piel@tremplin-utc.net> Cc: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:54 UTC |
ef2cfc7 | Pavel Machek | 18 February 2009, 22:48:23 UTC | hp accelerometer: add freefall detection This adds freefall handling to hp_accel driver. According to HP, it should just work, without us having to set the chip up by hand. hpfall.c is example .c program that parks the disk when accelerometer detects free fall. It should work; for now, it uses fixed 20seconds protection period. Signed-off-by: Pavel Machek <pavel@suse.cz> Cc: Thomas Renninger <trenn@suse.de> Cc: Éric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:54 UTC |
3a5093e | Alexey Dobriyan | 18 February 2009, 22:48:22 UTC | eeepc: should depend on INPUT Otherwise with INPUT=m, EEEPC_LAPTOP=y one gets drivers/built-in.o: In function `input_sync': eeepc-laptop.c:(.text+0x18ce51): undefined reference to `input_event' drivers/built-in.o: In function `input_report_key': eeepc-laptop.c:(.text+0x18ce73): undefined reference to `input_event' drivers/built-in.o: In function `eeepc_hotk_check': eeepc-laptop.c:(.text+0x18d05f): undefined reference to `input_allocate_device' eeepc-laptop.c:(.text+0x18d10f): undefined reference to `input_register_device' eeepc-laptop.c:(.text+0x18d131): undefined reference to `input_free_device' drivers/built-in.o: In function `eeepc_backlight_exit': eeepc-laptop.c:(.text+0x18d546): undefined reference to `input_unregister_device' Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Len Brown <lenb@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:54 UTC |
42f5e03 | Rafael J. Wysocki | 18 February 2009, 22:48:21 UTC | pm: fix build for CONFIG_PM unset Compilation of kprobes.c with CONFIG_PM unset is broken due to some broken config dependncies. Fix that. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Reported-by: Ingo Molnar <mingo@elte.hu> Tested-by: Masami Hiramatsu <mhiramat@redhat.com> Cc: Len Brown <lenb@kernel.org> Acked-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:54 UTC |
67e055d | Li Zefan | 18 February 2009, 22:48:20 UTC | cgroups: fix possible use after free In cgroup_kill_sb(), root is freed before sb is detached from the list, so another sget() may find this sb and call cgroup_test_super(), which will access the root that has been freed. Reported-by: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:54 UTC |
1cf6e7d | Nick Piggin | 18 February 2009, 22:48:18 UTC | mm: task dirty accounting fix YAMAMOTO-san noticed that task_dirty_inc doesn't seem to be called properly for cases where set_page_dirty is not used to dirty a page (eg. mark_buffer_dirty). Additionally, there is some inconsistency about when task_dirty_inc is called. It is used for dirty balancing, however it even gets called for __set_page_dirty_no_writeback. So rather than increment it in a set_page_dirty wrapper, move it down to exactly where the dirty page accounting stats are incremented. Cc: YAMAMOTO Takashi <yamamoto@valinux.co.jp> Signed-off-by: Nick Piggin <npiggin@suse.de> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:54 UTC |
610d18f | Davide Libenzi | 18 February 2009, 22:48:18 UTC | timerfd: add flags check As requested by Michael, add a missing check for valid flags in timerfd_settime(), and make it return EINVAL in case some extra bits are set. Michael said: If this is to be any use to userland apps that want to check flag support (perhaps it is too late already), then the sooner we get it into the kernel the better: 2.6.29 would be good; earlier stables as well would be even better. [akpm@linux-foundation.org: remove unused TFD_FLAGS_SET] Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Signed-off-by: Davide Libenzi <davidel@xmailserver.org> Cc: <stable@kernel.org> [2.6.27.x, 2.6.28.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:53 UTC |
ef35ce2 | Pavel Machek | 18 February 2009, 22:48:16 UTC | Pavel has moved My @suse.cz address will stop working some day, so put working one into MAINTAINERS/CREDITS. It would be cool to get this to 2.6.29... it should not really break anything. Signed-off-by: Pavel Machek <pavel@ucw.cz> Cc: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:53 UTC |
8f19d47 | Eric Biederman | 18 February 2009, 22:48:16 UTC | seq_file: properly cope with pread Currently seq_read assumes that the offset passed to it is always the offset it passed to user space. In the case pread this assumption is broken and we do the wrong thing when presented with pread. To solve this I introduce an offset cache inside of struct seq_file so we know where our logical file position is. Then in seq_read if we try to read from another offset we reset our data structures and attempt to go to the offset user space wanted. [akpm@linux-foundation.org: restore FMODE_PWRITE] [pjt@google.com: seq_open needs its fmode opened up to take advantage of this] Signed-off-by: Eric Biederman <ebiederm@xmission.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Paul Turner <pjt@google.com> Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x, 2.6.27.x, 2.6.28.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:53 UTC |
55ec821 | Paul Turner | 18 February 2009, 22:48:15 UTC | vfs: separate FMODE_PREAD/FMODE_PWRITE into separate flags Separate FMODE_PREAD and FMODE_PWRITE into separate flags to reflect the reality that the read and write paths may have independent restrictions. A git grep verifies that these flags are always cleared together so this new behavior will only apply to interfaces that change to clear flags individually. This is required for "seq_file: properly cope with pread", a post-2.6.25 regression fix. [akpm@linux-foundation.org: add comment] Signed-off-by: Paul Turner <pjt@google.com> Cc: Eric Biederman <ebiederm@xmission.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x, 2.6.27.x, 2.6.28.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:53 UTC |
b851ee7 | Li Zefan | 18 February 2009, 22:48:14 UTC | cgroups: update documentation about css_set hash table The css_set hash table was introduced in 2.6.26, so update the documentation accordingly. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:53 UTC |
b6d6c51 | Ed Cashin | 18 February 2009, 22:48:13 UTC | aoe: ignore vendor extension AoE responses The Welland ME-747K-SI AoE target generates unsolicited AoE responses that are marked as vendor extensions. Instead of ignoring these packets, the aoe driver was generating kernel messages for each unrecognized response received. This patch corrects the behavior. Signed-off-by: Ed Cashin <ecashin@coraid.com> Reported-by: <karaluh@karaluh.pl> Tested-by: <karaluh@karaluh.pl> Cc: <stable@kernel.org> Cc: Alex Buell <alex.buell@munted.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:53 UTC |
c296861 | Benjamin Herrenschmidt | 18 February 2009, 22:48:12 UTC | vmalloc: add __get_vm_area_caller() We have get_vm_area_caller() and __get_vm_area() but not __get_vm_area_caller() On powerpc, I use __get_vm_area() to separate the ranges of addresses given to vmalloc vs. ioremap (various good reasons for that) so in order to be able to implement the new caller tracking in /proc/vmallocinfo, I need a "_caller" variant of it. (akpm: needed for ongoing powerpc development, so merge it early) [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 23:37:53 UTC |
3ebf74b | Jean Pihet | 06 February 2009, 15:42:51 UTC | omap_hsmmc: Change while(); loops with finite version Replace the infinite 'while() ;' loops with a finite loop version. Signed-off-by: Jean Pihet <jpihet@mvista.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> | 18 February 2009, 21:14:21 UTC |
c232f45 | Jean Pihet | 11 February 2009, 21:11:39 UTC | omap_hsmmc: recover from transfer failures Timeouts during a command that has a data phase can result in the next command issued after the command that failed not being processed, i.e. no interrupt ever occurs to indicate the command has completed. This failure can result in a deadlock. This patch resets the data state machine to clear the error in case of a command timeout. Tested on OMAP3430 chip and intensive MMC/SD device removal while transferring data. Signed-off-by: Andy Lowe <alowe@mvista.com> Signed-off-by: Jean Pihet <jpihet@mvista.com> Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> | 18 February 2009, 21:10:49 UTC |
eb25082 | David Brownell | 17 February 2009, 22:49:01 UTC | omap_hsmmc: only MMC1 allows HCTL.SDVS != 1.8V Based on a patch from Tony Lindgren ... after initialization, never change HCTL.SDVS except for MMC1. The other controller instances only support 1.8V in that field, although they can suport other card/SDIO/eMMC/... voltages with level shifting solutions such as external transceivers. MMC2 behavior sanity tested on Overo/WLAN, OMAP3430 SDP, and custom hardware. MMC1 also sanity tested on those platforms plus Beagle. This also fixes a bug preventing MMC2 (and also presumably MMC3) from powering down when requested. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> | 18 February 2009, 21:09:56 UTC |
249d0fa | David Brownell | 04 February 2009, 22:42:03 UTC | omap_hsmmc: card detect irq bugfix Work around lockdep issue when card detect IRQ handlers run in thread context ... it forces IRQF_DISABLED, which prevents all access to twl4030 card detect signals. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> | 18 February 2009, 20:27:30 UTC |
5dbace0 | Helmut Schaa | 14 February 2009, 15:22:39 UTC | sdhci: fix led naming Fix the led device naming for the sdhci driver. The led class documentation defines the led name to have the form "devicename:colour:function" while not applicable sections should be left blank. To comply with the documentation the led device name is changed from "mmc*" to "mmc*::". Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> | 18 February 2009, 20:02:38 UTC |
58a5dd3 | Rabin Vincent | 13 February 2009, 17:25:26 UTC | mmc_test: fix basic read test Due to a typo in the Basic Read test, it's currently identical to the Basic Write test. Fix this. Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> | 18 February 2009, 20:01:14 UTC |
9942448 | Yauhen Kharuzhy | 11 February 2009, 21:25:52 UTC | s3cmci: Fix hangup in do_pio_write() This commit fixes the regression what was added by commit 088a78af978d0c8e339071a9b2bca1f4cb368f30 "s3cmci: Support transfers which are not multiple of 32 bits." fifo_free() now returns amount of available space in FIFO buffer in bytes. But do_pio_write() writes to FIFO 32-bit words. Condition for return from cycle is (fifo_free() == 0), but when fifo has 1..3 bytes of free space then this condition will never be true and system hangs. This patch changes condition in the while() to (fifo_free() > 3). Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> | 18 February 2009, 19:56:04 UTC |
2678f60 | Takashi Iwai | 18 February 2009, 15:46:27 UTC | ALSA: jack - Use card->shortname for input name Currently the jack layer refers to card->longname as a part of its input device name string. However, longname is often really long and way too ugly as an identifier, such as, "HDA Intel at 0xf8400000 irq 21". This patch changes the code to use card->shortname instead. The shortname string contains usually the h/w vendor and product names but without messy I/O port or IRQ numbers. Signed-off-by: Takashi Iwai <tiwai@suse.de> | 18 February 2009, 15:46:27 UTC |
be987fd | Hannes Reinecke | 18 February 2009, 09:30:15 UTC | block: fix deadlock in blk_abort_queue() for drivers that readd to timeout list blk_abort_queue() iterates the timeout list and aborts each request on the list, but if the driver error handling readds a request to the timeout list during this processing, we could be looping forever. Fix this by splicing current entries to a local list and run over that list instead. Signed-off-by: Jens Axboe <jens.axboe@oracle.com> | 18 February 2009, 09:34:16 UTC |
41b8c85 | Neil Brown | 18 February 2009, 09:33:59 UTC | block: fix booting from partitioned md array Hi Tejun, it looks like your commit: block: don't depend on consecutive minor space f331c0296f2a9fee0d396a70598b954062603015 broke a particular case for booting from partitioned md/raid devices. That is the second time this has been broken recently. The previous time was fixed by block: do_mounts - accept root=<non-existant partition> 30f2f0eb4bd2c43d10a8b0d872c6e5ad8f31c9a0 Because the data isn't available when an md device is first created (we add disks and set it up after creation), the initial partition scan finds nothing. It is not until the device is opened that another partition scan happens and finds something. So at the point where the kernel parameter "root=/dev/md_d0p1" is being parsed, md_d0 exists, but md_d0p1 does not. However if we let blk_lookup_devt return the correct device number even though the device doesn't exist, then the attempt to mount it will successfully find the partition. I have tried in the past to find a way to get the partition table to be read as soon as the array is assembled but that proved impossible (at the time). I don't remember the details, and could possibly revisit it. However it would be really nice if blk_lookup_devt could be adjusted to again accept non existant partitions. Signed-off-by: Jens Axboe <jens.axboe@oracle.com> | 18 February 2009, 09:33:59 UTC |
78f707b | Jens Axboe | 17 February 2009, 12:59:08 UTC | block: revert part of 18ce3751ccd488c78d3827e9f6bf54e6322676fb The above commit added WRITE_SYNC and switched various places to using that for committing writes that will be waited upon immediately after submission. However, this causes a performance regression with AS and CFQ for ext3 at least, since sync_dirty_buffer() will submit some writes with WRITE_SYNC while ext3 has sumitted others dependent writes without the sync flag set. This causes excessive anticipation/idling in the IO scheduler because sync and async writes get interleaved, causing a big performance regression for the below test case (which is meant to simulate sqlite like behaviour). ---- test case ---- int main(int argc, char **argv) { int fdes, i; FILE *fp; struct timeval start; struct timeval end; struct timeval res; gettimeofday(&start, NULL); for (i=0; i<ROWS; i++) { fp = fopen("test_file", "a"); fprintf(fp, "Some Text Data\n"); fdes = fileno(fp); fsync(fdes); fclose(fp); } gettimeofday(&end, NULL); timersub(&end, &start, &res); fprintf(stdout, "time to write %d lines is %ld(msec)\n", ROWS, (res.tv_sec*1000000 + res.tv_usec)/1000); return 0; } ------------------- Thanks to Sean.White@APCC.com for tracking down this performance regression and providing a test case. Signed-off-by: Jens Axboe <jens.axboe@oracle.com> | 18 February 2009, 09:32:01 UTC |
82eb03c | Chip Coldwell | 16 February 2009, 12:11:56 UTC | cciss: PCI power management reset for kexec The kexec kernel resets the CCISS hardware in three steps: 1. Use PCI power management states to reset the controller in the kexec kernel. 2. Clear the MSI/MSI-X bits in PCI configuration space so that MSI initialization in the kexec kernel doesn't fail. 3. Use the CCISS "No-op" message to determine when the controller firmware has recovered from the PCI PM reset. [akpm@linux-foundation.org: cleanups] Signed-off-by: Mike Miller <mike.miller@hp.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com> | 18 February 2009, 09:32:01 UTC |
c8cbec6 | Roel Kluin | 16 February 2009, 12:11:55 UTC | paride/pg.c: xs(): &&/|| confusion &&/|| confusion Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com> | 18 February 2009, 09:32:01 UTC |
a60e78e | Subhash Peddamallu | 16 February 2009, 09:27:07 UTC | fs/bio: bio_alloc_bioset: pass right object ptr to mempool_free When freeing from bio pool use right ptr to account for bs->front_pad, instead of bio ptr, Signed-off-by: Subhash Peddamallu <subhash.peddamallu@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com> | 18 February 2009, 09:32:01 UTC |
93dbb39 | Jens Axboe | 16 February 2009, 09:25:40 UTC | block: fix bad definition of BIO_RW_SYNC We can't OR shift values, so get rid of BIO_RW_SYNC and use BIO_RW_SYNCIO and BIO_RW_UNPLUG explicitly. This brings back the behaviour from before 213d9417fec62ef4c3675621b9364a667954d4dd. Signed-off-by: Jens Axboe <jens.axboe@oracle.com> | 18 February 2009, 09:32:00 UTC |
c1c2012 | Boaz Harrosh | 03 February 2009, 06:47:29 UTC | bsg: Fix sense buffer bug in SG_IO When submitting requests via SG_IO, which does a sync io, a bsg_command is not allocated. So an in-Kernel sense_buffer was not set. However when calling blk_execute_rq() with no sense buffer one is provided from the stack. Now bsg at blk_complete_sgv4_hdr_rq() would check if rq->sense_len and a sense was requested by sg_io_v4 the rq->sense was copy_user() back, but by now it is already mangled stack memory. I have fixed that by forcing a sense_buffer when calling bsg_map_hdr(). The bsg_command->sense is provided in the write/read path like before, and on-the-stack buffer is provided when doing SG_IO. I have also fixed a dprintk message to print rq->errors in hex because of the scsi bit-field use of this member. For other block devices it does not matter anyway. Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com> | 18 February 2009, 09:32:00 UTC |
86a6a87 | Pierre Ossman | 02 February 2009, 20:13:49 UTC | Revert "sdhci: force high speed capability on some controllers" This reverts commit a4b76193774b463b922cab2f92450efb20d29ef0. It turned out that the controller had problem running at the higher speed, so go back to trusting the hardware capability bits. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> | 18 February 2009, 05:36:22 UTC |
444122f | Yi Li | 05 February 2009, 07:31:57 UTC | MMC: fix bug - SDHC card capacity not correct Signed-off-by: Yi Li <yi.li@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> | 18 February 2009, 05:27:33 UTC |
5955c7a | Zlatko Calusic | 18 February 2009, 00:33:34 UTC | Add support for VT6415 PCIE PATA IDE Host Controller Signed-off-by: Zlatko Calusic <zlatko.calusic@iskon.hr> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 00:56:31 UTC |
3494252 | Rafael J. Wysocki | 13 February 2009, 22:41:12 UTC | USB/PCI: Fix resume breakage of controllers behind cardbus bridges If a USB PCI controller is behind a cardbus bridge, we are trying to restore its configuration registers too early, before the cardbus bridge is operational. To fix this, call pci_restore_state() from usb_hcd_pci_resume() and remove usb_hcd_pci_resume_early() which is no longer necessary (the configuration spaces of USB controllers that are not behind cardbus bridges will be restored by the PCI PM core with interrupts disabled anyway). This patch fixes the regression from 2.6.28 tracked as http://bugzilla.kernel.org/show_bug.cgi?id=12659 [ Side note: the proper long-term fix is probably to just force the unplug event at suspend time instead of doing a plug/unplug at resume time, but this patch is fine regardless - Linus ] Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Reported-by: Miles Lane <miles.lane@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 18 February 2009, 00:56:31 UTC |
07db1c1 | Andi Kleen | 12 February 2009, 12:39:35 UTC | x86, mce: fix ifdef for 64bit thermal apic vector clear on shutdown Impact: Bugfix The ifdef for the apic clear on shutdown for the 64bit intel thermal vector was incorrect and never triggered. Fix that. Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: H. Peter Anvin <hpa@zytor.com> | 17 February 2009, 23:24:34 UTC |
380851b | Andi Kleen | 12 February 2009, 12:39:33 UTC | x86, mce: use force_sig_info to kill process in machine check Impact: bug fix (with tolerant == 3) do_exit cannot be called directly from the exception handler because it can sleep and the exception handler runs on the exception stack. Use force_sig() instead. Based on a earlier patch by Ying Huang who debugged the problem. Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: H. Peter Anvin <hpa@zytor.com> | 17 February 2009, 23:24:31 UTC |
6ec68bf | Andi Kleen | 12 February 2009, 12:39:26 UTC | x86, mce: reinitialize per cpu features on resume Impact: Bug fix This fixes a long standing bug in the machine check code. On resume the boot CPU wouldn't get its vendor specific state like thermal handling reinitialized. This means the boot cpu wouldn't ever get any thermal events reported again. Call the respective initialization functions on resume v2: Remove ancient init because they don't have a resume device anyways. Pointed out by Thomas Gleixner. v3: Now fix the Subject too to reflect v2 change Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: H. Peter Anvin <hpa@zytor.com> | 17 February 2009, 23:24:28 UTC |
fd4b9b3 | Nicolas Pitre | 17 February 2009, 19:45:50 UTC | [ARM] 5401/1: Orion: fix edge triggered GPIO interrupt support The GPIO interrupts can be configured as either level triggered or edge triggered, with a default of level triggered. When an edge triggered interrupt is requested, the gpio_irq_set_type method is called which currently switches the given IRQ descriptor between two struct irq_chip instances: orion_gpio_irq_level_chip and orion_gpio_irq_edge_chip. This happens via __setup_irq() which also calls irq_chip_set_defaults() to assign default methods to uninitialized ones. The problem is that irq_chip_set_defaults() is called before the irq_chip reference is switched, leaving the new irq_chip (orion_gpio_irq_edge_chip in this case) with uninitialized methods such as chip->startup() causing a kernel oops. Many solutions are possible, such as making irq_chip_set_defaults() global and calling it from gpio_irq_set_type(), or calling __irq_set_trigger() before irq_chip_set_defaults() in __setup_irq(). But those require modifications to the generic IRQ code which might have adverse effect on other architectures, and that would still be a fragile arrangement. Manually copying the missing methods from within gpio_irq_set_type() would be really ugly and it would break again the day new methods with automatic defaults are added. A better solution is to have a single irq_chip instance which can deal with both edge and level triggered interrupts. It is also a good idea to switch the IRQ handler instead, as the edge IRQ handler allows for one edge IRQ event to be queued as the IRQ is actually masked only when that second IRQ is received, at which point the hardware can queue an additional IRQ event, making edge triggered interrupts a bit more reliable. Tested-by: Martin Michlmayr <tbm@cyrius.com> Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 17 February 2009, 22:37:09 UTC |
e78ac4b | Linus Torvalds | 17 February 2009, 22:30:06 UTC | Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: cpu hotplug fix | 17 February 2009, 22:30:06 UTC |
29a0c5c | Linus Torvalds | 17 February 2009, 22:29:42 UTC | Merge branch 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: timers: more consistently use clock vs timer | 17 February 2009, 22:29:42 UTC |
f8effd1 | Linus Torvalds | 17 February 2009, 22:29:15 UTC | Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: doc: mmiotrace.txt, buffer size control change trace: mmiotrace to the tracer menu in Kconfig mmiotrace: count events lost due to not recording | 17 February 2009, 22:29:15 UTC |
3501033 | Linus Torvalds | 17 February 2009, 22:27:39 UTC | Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, vm86: fix preemption bug x86, olpc: fix model detection without OFW x86, hpet: fix for LS21 + HPET = boot hang x86: CPA avoid repeated lazy mmu flush x86: warn if arch_flush_lazy_mmu_cpu is called in preemptible context x86/paravirt: make arch_flush_lazy_mmu/cpu disable preemption x86, pat: fix warn_on_once() while mapping 0-1MB range with /dev/mem x86/cpa: make sure cpa is safe to call in lazy mmu mode x86, ptrace, mm: fix double-free on race | 17 February 2009, 22:27:39 UTC |
8ce9a75 | Linus Torvalds | 17 February 2009, 22:26:35 UTC | Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: iommu: fix Intel IOMMU write-buffer flushing futex: fix reference leak Trivial conflicts fixed manually in drivers/pci/intel-iommu.c | 17 February 2009, 22:26:35 UTC |
b30b774 | Linus Torvalds | 17 February 2009, 22:23:49 UTC | Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/vsx: Fix VSX alignment handler for regs 32-63 powerpc/ps3: Move ps3_mm_add_memory to device_initcall powerpc/mm: Fix numa reserve bootmem page selection powerpc/mm: Fix _PAGE_CHG_MASK to protect _PAGE_SPECIAL | 17 February 2009, 22:23:49 UTC |
c951aa6 | Linus Torvalds | 17 February 2009, 22:23:35 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI: Documentation: fix minor PCIe HOWTO thinko PCI: fix missing kernel-doc and typos PCI: fix struct pci_platform_pm_ops kernel-doc PCI: fix rom.c kernel-doc warning PCI/MSI: fix msi_mask() shift fix | 17 February 2009, 22:23:35 UTC |
23beafb | Linus Torvalds | 17 February 2009, 22:22:59 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: lrw - Fix big endian support | 17 February 2009, 22:22:59 UTC |
48c0d9e | Linus Torvalds | 17 February 2009, 22:19:14 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable * git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: hold trans_mutex when using btrfs_record_root_in_trans Btrfs: make a lockdep class for the extent buffer locks Btrfs: fs/btrfs/volumes.c: remove useless kzalloc Btrfs: remove unused code in split_state() Btrfs: remove btrfs_init_path Btrfs: balance_level checks !child after access Btrfs: Avoid using __GFP_HIGHMEM with slab allocator Btrfs: don't clean old snapshots on sync(1) Btrfs: use larger metadata clusters in ssd mode Btrfs: process mount options on mount -o remount, Btrfs: make sure all pending extent operations are complete | 17 February 2009, 22:19:14 UTC |
0637810 | Linus Torvalds | 17 February 2009, 22:16:02 UTC | Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: sata_nv: give up hardreset on nf2 libata-sff: fix 32-bit PIO ATAPI regression | 17 February 2009, 22:16:02 UTC |