- 23 Sep, 2010 24 commits
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Mark Salter authored
The MN10300 arch ext2 bitops assume a big-endian kernel, but the MN10300 arch only runs in little-endian mode. Reported-by:
Akira Takeuchi <takeuchi.akr@jp.panasonic.com> Signed-off-by:
Mark Salter <msalter@redhat.com> Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpuLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: percpu: fix pcpu_last_unit_cpu
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Yinghai Lu authored
When modprobe.conf has options ipmi_si type="kcs" ports=0xCA2 regspacings="4" ipmi_si can be loaded properly, but when try to unload it get: Sep 20 15:00:27 xx abrt: Kerneloops: Reported 1 kernel oopses to Abrt Sep 20 15:00:27 xx abrtd: Directory 'kerneloops-1285020027-1' creation detected Sep 20 15:00:27 xx abrtd: New crash /var/spool/abrt/kerneloops-1285020027-1, processing Sep 20 15:01:09 xx kernel: ------------[ cut here ]------------ Sep 20 15:01:09 xx kernel: WARNING: at drivers/base/driver.c:262 driver_unregister+0x8a/0xa0() Sep 20 15:01:09 xx kernel: Hardware name: Sun Fire x4800 Sep 20 15:01:09 xx kernel: Unexpected driver unregister! Sep 20 15:01:09 xx kernel: Modules linked in: ipmi_si(-) ipmi_msghandler ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat bridge stp llc autofs4 sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf xt_physdev be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb3i iw_cxgb3 cxgb3 mdio ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr ipv6 iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi dm_mirror dm_region_hash dm_log dm_mod vhost_net macvtap macvlan tun kvm_intel kvm uinput sg ses enclosure ahci libahci pcspkr i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support igb dca i7core_edac edac_core ext3 jbd mbcache sd_mod crc_t10dif megaraid_sas [last unloaded: ipmi_devintf] Sep 20 15:01:09 xx kernel: Pid: 10625, comm: modprobe Tainted: G W 2.6.36-rc5-tip+ #6 Sep 20 15:01:09 xx kernel: Call Trace: Sep 20 15:01:09 xx kernel: [<ffffffff810600df>] warn_slowpath_common+0x7f/0xc0 Sep 20 15:01:09 xx kernel: [<ffffffff810601d6>] warn_slowpath_fmt+0x46/0x50 Sep 20 15:01:09 xx kernel: [<ffffffff812ff60a>] driver_unregister+0x8a/0xa0 Sep 20 15:01:09 xx kernel: [<ffffffff812ae112>] pnp_unregister_driver+0x12/0x20 Sep 20 15:01:09 xx kernel: [<ffffffffa01d0327>] cleanup_ipmi_si+0x3c/0xa7 [ipmi_si] Sep 20 15:01:09 xx kernel: [<ffffffff81099a60>] sys_delete_module+0x1a0/0x270 Sep 20 15:01:09 xx kernel: [<ffffffff814b7070>] ? do_page_fault+0x150/0x320 Sep 20 15:01:09 xx kernel: [<ffffffff8100b072>] system_call_fastpath+0x16/0x1b Sep 20 15:01:09 xx kernel: ---[ end trace 0d1967161adcee0d ]--- We need to check if ipmi_pnp_driver is loaded before we try to unload it. Signed-off-by:
Yinghai Lu <yinghai@kernel.org> Cc: Corey Minyard <minyard@acm.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Vladimir Zapolskiy authored
This change resolves a problem about unbalanced calls of enable_irq_wakeup() and disable_irq_wakeup() for alarm interrupt. Bug reproduction: root@eb600:~# echo 0 > /sys/class/rtc/rtc0/wakealarm WARNING: at kernel/irq/manage.c:361 set_irq_wake+0x7c/0xe4() Unbalanced IRQ 46 wake disable Modules linked in: [<c0025708>] (unwind_backtrace+0x0/0xd8) from [<c003358c>] (warn_slowpath_common+0x44/0x5c) [<c003358c>] (warn_slowpath_common+0x44/0x5c) from [<c00335dc>] (warn_slowpath_fmt+0x24/0x30) [<c00335dc>] (warn_slowpath_fmt+0x24/0x30) from [<c0058c20>] (set_irq_wake+0x7c/0xe4) [<c0058c20>] (set_irq_wake+0x7c/0xe4) from [<c01b5e80>] (s3c_rtc_setalarm+0xa8/0xb8) [<c01b5e80>] (s3c_rtc_setalarm+0xa8/0xb8) from [<c01b47a0>] (rtc_set_alarm+0x60/0x74) [<c01b47a0>] (rtc_set_alarm+0x60/0x74) from [<c01b5a98>] (rtc_sysfs_set_wakealarm+0xc8/0xd8) [<c01b5a98>] (rtc_sysfs_set_wakealarm+0xc8/0xd8) from [<c01891ec>] (dev_attr_store+0x20/0x24) [<c01891ec>] (dev_attr_store+0x20/0x24) from [<c00be934>] (sysfs_write_file+0x104/0x13c) [<c00be934>] (sysfs_write_file+0x104/0x13c) from [<c0080e7c>] (vfs_write+0xb0/0x158) [<c0080e7c>] (vfs_write+0xb0/0x158) from [<c0080fcc>] (sys_write+0x3c/0x68) [<c0080fcc>] (sys_write+0x3c/0x68) from [<c0020ec0>] (ret_fast_syscall+0x0/0x28) Signed-off-by:
Vladimir Zapolskiy <vzapolskiy@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Ben Dooks <ben@fluff.org.uk> Cc: Atul Dahiya <atul.dahiya@samsung.com> Cc: Taekgyun Ko <taeggyun.ko@samsung.com> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: <stable@kernel.org> Signed-off-by:
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Andrea Arcangeli authored
If __split_vma fails because of an out of memory condition the anon_vma_chain isn't teardown and freed potentially leading to rmap walks accessing freed vma information plus there's a memleak. Signed-off-by:
Andrea Arcangeli <aarcange@redhat.com> Acked-by:
Johannes Weiner <jweiner@redhat.com> Acked-by:
Rik van Riel <riel@redhat.com> Acked-by:
Hugh Dickins <hughd@google.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: <stable@kernel.org> Signed-off-by:
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Andrea Arcangeli authored
The below bug in fork led to the rmap walk finding the parent huge-pmd twice instead of just once, because the anon_vma_chain objects of the child vma still point to the vma->vm_mm of the parent. The patch fixes it by making the rmap walk accurate during fork. It's not a big deal normally but it worth being accurate considering the cost is the same. Signed-off-by:
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Andrew Morton authored
drivers/pci/intel-iommu.c: In function `__iommu_calculate_agaw': drivers/pci/intel-iommu.c:437: sorry, unimplemented: inlining failed in call to 'width_to_agaw': function body not available drivers/pci/intel-iommu.c:445: sorry, unimplemented: called from here Move the offending function (and its siblings) to top-of-file, remove the forward declaration. Addresses https://bugzilla.kernel.org/show_bug.cgi?id=17441Reported-by:
Martin Mokrejs <mmokrejs@ribosome.natur.cuni.cz> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: <stable@kernel.org> Signed-off-by:
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David Rientjes authored
/proc/sys/vm/oom_dump_tasks is enabled by default, so it's necessary to limit as much information as possible that it should emit. The tasklist dump should be filtered to only those tasks that are eligible for oom kill. This is already done for memcg ooms, but this patch extends it to both cpuset and mempolicy ooms as well as init. In addition to suppressing irrelevant information, this also reduces confusion since users currently don't know which tasks in the tasklist aren't eligible for kill (such as those attached to cpusets or bound to mempolicies with a disjoint set of mems or nodes, respectively) since that information is not shown. Signed-off-by:
David Rientjes <rientjes@google.com> Reviewed-by:
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by:
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Dan Rosenberg authored
The FBIOGET_VBLANK device ioctl allows unprivileged users to read 16 bytes of uninitialized stack memory, because the "reserved" member of the fb_vblank struct declared on the stack is not altered or zeroed before being copied back to the user. This patch takes care of it. Signed-off-by:
Dan Rosenberg <dan.j.rosenberg@gmail.com> Cc: Thomas Winischhofer <thomas@winischhofer.net> Cc: <stable@kernel.org> Signed-off-by:
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Richard Weinberger authored
This fixes: incompatible pointer type: => 89 arch/um/kernel/exec.c: warning: passing argument 2 of 'execve1' from incompatible pointer type: => 69, 85 arch/um/kernel/exec.c: warning: passing argument 3 of 'execve1' from incompatible pointer type: => 69, 85 which was introduced by d7627467 ("Make do_execve() take a const filename pointer") Signed-off-by:Richard Weinberger <richard@nod.at> Cc: David Howells <dhowells@redhat.com> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by:
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KOSAKI Motohiro authored
Currently, /proc/<pid>/smaps has wrong dirty pages accounting. Shared_Dirty and Private_Dirty output only pte dirty pages and ignore PG_dirty page flag. It is difference against documentation, but also inconsistent against Referenced field. (Referenced checks both pte and page flags) This patch fixes it. Test program: large-array.c --------------------------------------------------- #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> char array[1*1024*1024*1024L]; int main(void) { memset(array, 1, sizeof(array)); pause(); return 0; } --------------------------------------------------- Test case: 1. run ./large-array 2. cat /proc/`pidof large-array`/smaps 3. swapoff -a 4. cat /proc/`pidof large-array`/smaps again Test result: <before patch> 00601000-40601000 rw-p 00000000 00:00 0 Size: 1048576 kB Rss: 1048576 kB Pss: 1048576 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 218992 kB <-- showed pages as clean incorrectly Private_Dirty: 829584 kB Referenced: 388364 kB Swap: 0 kB KernelPageSize: 4 kB MMUPageSize: 4 kB <after patch> 00601000-40601000 rw-p 00000000 00:00 0 Size: 1048576 kB Rss: 1048576 kB Pss: 1048576 kB Shared_Clean: 0 kB Shared_Dirty: 0 kB Private_Clean: 0 kB Private_Dirty: 1048576 kB <-- fixed Referenced: 388480 kB Swap: 0 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Signed-off-by: -
Jarek Poplawski authored
Fix the lockdep warning: [ 13.657164] INFO: trying to register non-static key. [ 13.657169] the code is fine but needs lockdep annotation. [ 13.657171] turning off the locking correctness validator. [ 13.657177] Pid: 622, comm: modprobe Not tainted 2.6.36-rc3c #8 [ 13.657180] Call Trace: [ 13.657194] [<c13002c8>] ? printk+0x18/0x20 [ 13.657202] [<c1056cf6>] register_lock_class+0x336/0x350 [ 13.657208] [<c1058bf9>] __lock_acquire+0x449/0x1180 [ 13.657215] [<c1059997>] lock_acquire+0x67/0x80 [ 13.657222] [<c1042bf1>] ? __cancel_work_timer+0x51/0x230 [ 13.657227] [<c1042c23>] __cancel_work_timer+0x83/0x230 [ 13.657231] [<c1042bf1>] ? __cancel_work_timer+0x51/0x230 [ 13.657236] [<c10582b2>] ? mark_held_locks+0x62/0x80 [ 13.657243] [<c10b3a2f>] ? kfree+0x7f/0xe0 [ 13.657248] [<c105853c>] ? trace_hardirqs_on_caller+0x11c/0x160 [ 13.657253] [<c105858b>] ? trace_hardirqs_on+0xb/0x10 [ 13.657259] [<c117f4cd>] ? fbcon_deinit+0x16d/0x1e0 [ 13.657263] [<c117f4cd>] ? fbcon_deinit+0x16d/0x1e0 [ 13.657268] [<c1042dea>] cancel_work_sync+0xa/0x10 [ 13.657272] [<c117f444>] fbcon_deinit+0xe4/0x1e0 ... The warning is caused by trying to cancel an uninitialized work from fbcon_exit(). Fix it by adding a check for queue.func, similarly to other places in this code. Signed-off-by:
Jarek Poplawski <jarkao2@gmail.com> Signed-off-by:
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Luke Macken authored
Enable the EFI framebuffer on 14 more Macs, including the iMac11,1 iMac10,1 iMac8,1 Macmini3,1 Macmini4,1 MacBook5,1 MacBook6,1 MacBook7,1 MacBookPro2,2 MacBookPro5,2 MacBookPro5,3 MacBookPro6,1 MacBookPro6,2 and MacBookPro7,1 Information gathered from various user submissions. https://bugzilla.redhat.com/show_bug.cgi?id=528232 http://ubuntuforums.org/showthread.php?t=1557326 [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:Luke Macken <lmacken@redhat.com> Signed-off-by:
Peter Jones <pjones@redhat.com> Signed-off-by:
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Peter Jones authored
Some Apple machines have identical DMI data but different memory configurations for the video. Given that, check that the address in our table is actually within the range of a PCI BAR on a VGA device in the machine. This also fixes up the return value from set_system(), which has always been wrong, but never resulted in bad behavior since there's only ever been one matching entry in the dmi table. The patch 1) stops people's machines from crashing when we get their display wrong, which seems to be unfortunately inevitable, 2) allows us to support identical dmi data with differing video memory configurations This also adds me as the efifb maintainer, since I've effectively been acting as such for quite some time. Signed-off-by:
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Jan Kara authored
OCFS2 can return ERESTARTSYS from its write function when the process is signalled while waiting for a cluster lock (and the filesystem is mounted with intr mount option). Generally, it seems reasonable to allow filesystems to return this error code from its IO functions. As we must not leak ERESTARTSYS (and similar error codes) to userspace as a result of an AIO operation, we have to properly convert it to EINTR inside AIO code (restarting the syscall isn't really an option because other AIO could have been already submitted by the same io_submit syscall). Signed-off-by:
Jan Kara <jack@suse.cz> Reviewed-by:
Jeff Moyer <jmoyer@redhat.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Zach Brown <zach.brown@oracle.com> Cc: <stable@kernel.org> Signed-off-by:
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Minchan Kim authored
M. Vefa Bicakci reported 2.6.35 kernel hang up when hibernation on his 32bit 3GB mem machine. (https://bugzilla.kernel.org/show_bug.cgi?id=16771). Also he bisected the regression to commit bb21c7ce Author: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Date: Fri Jun 4 14:15:05 2010 -0700 vmscan: fix do_try_to_free_pages() return value when priority==0 reclaim failure At first impression, this seemed very strange because the above commit only chenged function return value and hibernate_preallocate_memory() ignore return value of shrink_all_memory(). But it's related. Now, page allocation from hibernation code may enter infinite loop if the system has highmem. The reasons are that vmscan don't care enough OOM case when oom_killer_disabled. The problem sequence is following as. 1. hibernation 2. oom_disable 3. alloc_pages 4. do_try_to_free_pages if (scanning_global_lru(sc) && !all_unreclaimable) return 1; If kswapd is not freozen, it would set zone->all_unreclaimable to 1 and then shrink_zones maybe return true(ie, all_unreclaimable is true). So at last, alloc_pages could go to _nopage_. If it is, it should have no problem. This patch adds all_unreclaimable check to protect in direct reclaim path, too. It can care of hibernation OOM case and help bailout all_unreclaimable case slightly. Signed-off-by:
Minchan Kim <minchan.kim@gmail.com> Reported-by:
M. Vefa Bicakci <bicave@superonline.com> Reported-by: <caiqian@redhat.com> Reviewed-by:
Johannes Weiner <hannes@cmpxchg.org> Tested-by: <caiqian@redhat.com> Acked-by:
Rafael J. Wysocki <rjw@sisk.pl> Acked-by:
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: <stable@kernel.org> Signed-off-by:
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Axel Lin authored
Otherwise, calling platform_get_drvdata() in ab3100_rtc_remove() returns NULL. Signed-off-by:
Axel Lin <axel.lin@gmail.com> Acked-by:
Wan ZongShun <mcuos.com@gmail.com> Acked-by:
Linus Walleij <linus.walleij@stericsson.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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Hans-Christian Egtvedt authored
Alter the maintainer of the AVR32 architecture and the AVR32/AT32AP machine support to me. Haavard is moving on to new challenges, and we've found it better to transfer the maintainer part to me. I will have good contact with Haavard anyway. Signed-off-by:
Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Acked-by:
Haavard Skinnemoen <haavard.skinnemoen@atmel.com> Signed-off-by:
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Dmitry Torokhov authored
In an effort to minimize customer confusion we want to unify naming convention for VMware-provided kernel modules. This change renames the balloon driver from vmware_ballon to vmw_balloon. We expect to follow this naming convention (vmw_<module_name>) for all modules that are part of mainline kernel and/or being distributed by VMware, with the sole exception of vmxnet3 driver (since the name of mainline driver happens to match with the name used in VMware Tools). Signed-off-by:
Dmitry Torokhov <dtor@vmware.com> Acked-by:
Bhavesh Davda <bhavesh@vmware.com> Signed-off-by:
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FUJITA Tomonori authored
This fixes the regression caused by the commit 6fee48cd ("dma-mapping: arm: use generic pci_set_dma_mask and pci_set_consistent_dma_mask"). ARM needs to clip the dma coherent mask for dmabounce devices. This restores the old trick. Note that strictly speaking, the DMA API doesn't allow architectures to do such but I'm not sure it's worth adding the new API to set the dma mask that allows architectures to clip it. Reported-by:
Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by:
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by:
Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by:
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Arnd Bergmann authored
Commit 73296bc6 ("procfs: Use generic_file_llseek in /proc/vmcore") broke seeking on /proc/vmcore. This changes it back to use default_llseek in order to restore the original behaviour. The problem with generic_file_llseek is that it only allows seeks up to inode->i_sb->s_maxbytes, which is zero on procfs and some other virtual file systems. We should merge generic_file_llseek and default_llseek some day and clean this up in a proper way, but for 2.6.35/36, reverting vmcore is the safer solution. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Cc: Frederic Weisbecker <fweisbec@gmail.com> Reported-by:
CAI Qian <caiqian@redhat.com> Tested-by:
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Yinghai Lu authored
After d9e1b6c4 ("ipmi: fix ACPI detection with regspacing") we get [ 11.026326] ipmi_si: probing via ACPI [ 11.030019] ipmi_si 00:09: (null) regsize 1 spacing 1 irq 0 [ 11.035594] ipmi_si: Adding ACPI-specified kcs state machine on an old system with only one range for ipmi kcs range. Try to fix it by adding another res pointer. Signed-off-by:
Corey Minyard <cminyard@mvista.com> Signed-off-by:
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David Rientjes authored
A task's badness score is roughly a proportion of its rss and swap compared to the system's capacity. The scale ranges from 0 to 1000 with the highest score chosen for kill. Thus, this scale operates on a resolution of 0.1% of RAM + swap. Admin tasks are also given a 3% bonus, so the badness score of an admin task using 3% of memory, for example, would still be 0. It's possible that an exceptionally large number of tasks will combine to exhaust all resources but never have a single task that uses more than 0.1% of RAM and swap (or 3.0% for admin tasks). This patch ensures that the badness score of any eligible task is never 0 so the machine doesn't unnecessarily panic because it cannot find a task to kill. Signed-off-by:
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Dan Rosenberg authored
In 32-bit compatibility mode, the error handling for compat_do_readv_writev() may free an uninitialized pointer, potentially leading to all sorts of ugly memory corruption. This is reliably triggerable by unprivileged users by invoking the readv()/writev() syscalls with an invalid iovec pointer. The below patch fixes this to emulate the non-compat version. Introduced by commit b8373363 ("compat: factor out compat_rw_copy_check_uvector from compat_do_readv_writev") Signed-off-by:
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- 22 Sep, 2010 11 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc: Prevent no-handler signal syscall restart recursion. sparc: Don't mask signal when we can't setup signal frame. sparc64: Fix race in signal instruction flushing. sparc64: Support RAW perf events.
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Al Viro authored
Make sigreturn zero regs->trap, make do_signal() do the same on all paths. As it is, signal interrupting e.g. read() from fd 512 (== ERESTARTSYS) with another signal getting unblocked when the first handler finishes will lead to restart one insn earlier than it ought to. Same for multiple signals with in-kernel handlers interrupting that sucker at the same time. Same for multiple signals of any kind interrupting that sucker on 64bit... Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Acked-by:
Paul Mackerras <paulus@samba.org> Signed-off-by:
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git://git.kernel.dk/linux-2.6-blockLinus Torvalds authored
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: bdi: Fix warnings in __mark_inode_dirty for /dev/zero and friends char: Mark /dev/zero and /dev/kmem as not capable of writeback bdi: Initialize noop_backing_dev_info properly cfq-iosched: fix a kernel OOPs when usb key is inserted block: fix blk_rq_map_kern bio direction flag cciss: freeing uninitialized data on error path
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Jan Kara authored
Inodes of devices such as /dev/zero can get dirty for example via utime(2) syscall or due to atime update. Backing device of such inodes (zero_bdi, etc.) is however unable to handle dirty inodes and thus __mark_inode_dirty complains. In fact, inode should be rather dirtied against backing device of the filesystem holding it. This is generally a good rule except for filesystems such as 'bdev' or 'mtd_inodefs'. Inodes in these pseudofilesystems are referenced from ordinary filesystem inodes and carry mapping with real data of the device. Thus for these inodes we have to use inode->i_mapping->backing_dev_info as we did so far. We distinguish these filesystems by checking whether sb->s_bdi points to a non-trivial backing device or not. Example: Assume we have an ext3 filesystem on /dev/sda1 mounted on /. There's a device inode A described by a path "/dev/sdb" on this filesystem. This inode will be dirtied against backing device "8:0" after this patch. bdev filesystem contains block device inode B coupled with our inode A. When someone modifies a page of /dev/sdb, it's B that gets dirtied and the dirtying happens against the backing device "8:16". Thus both inodes get filed to a correct bdi list. Cc: stable@kernel.org Signed-off-by:
Jens Axboe <jaxboe@fusionio.com>
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Jan Kara authored
These devices don't do any writeback but their device inodes still can get dirty so mark bdi appropriately so that bdi code does the right thing and files inodes to lists of bdi carrying the device inodes. Cc: stable@kernel.org Signed-off-by:
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Jan Kara authored
Properly initialize this backing dev info so that writeback code does not barf when getting to it e.g. via sb->s_bdi. Cc: stable@kernel.org Signed-off-by:
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David S. Miller authored
Explicitly clear the "in-syscall" bit when we have no signal handler and back up the program counters to back up the system call. Reported-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Don't invoke the signal handler tracehook in that situation either. Reported-by:
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git://git.fluff.org/bjdooks/linuxLinus Torvalds authored
* 'for-linus/i2c/2636-rc5' of git://git.fluff.org/bjdooks/linux: i2c-omap: Make sure i2c bus is free before setting it to idle
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Sage Weil authored
The lock structs are currently protected by the BKL, but are accessed by code in fs/locks.c and misc file system and DLM code. These stubs will allow all users to switch to the new interface before the implementation is changed to a spinlock. Acked-by:
Sage Weil <sage@newdream.net> Signed-off-by:
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Mathias Nyman authored
If the i2c bus receives an interrupt with both BB (bus busy) and ARDY (register access ready) statuses set during the tranfer of the last message the bus was put to idle while still busy. This caused bus to timeout. Signed-off-by:
Mathias Nyman <mathias.nyman@nokia.com> Acked-by:
Tony Lindgren <tony@atomide.com> Signed-off-by:
Ben Dooks <ben-linux@fluff.org>
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- 21 Sep, 2010 5 commits
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Linus Torvalds authored
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: Fix nohz balance kick sched: Fix user time incorrectly accounted as system time on 32-bit
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Linus Torvalds authored
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: hw breakpoints: Fix pid namespace bug x86: Fix instruction breakpoint encoding oprofile: Add Support for Intel CPU Family 6 / Model 22 (Intel Celeron 540) kprobes: Fix Kconfig dependency
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-clientLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: ceph: select CRYPTO ceph: check mapping to determine if FILE_CACHE cap is used ceph: only send one flushsnap per cap_snap per mds session ceph: fix cap_snap and realm split ceph: stop sending FLUSHSNAPs when we hit a dirty capsnap ceph: correctly set 'follows' in flushsnap messages ceph: fix dn offset during readdir_prepopulate ceph: fix file offset wrapping at 4GB on 32-bit archs ceph: fix reconnect encoding for old servers ceph: fix pagelist kunmap tail ceph: fix null pointer deref on anon root dentry release
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git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intelLinus Torvalds authored
* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel: drm/i915: Hold a reference to the object whilst unbinding the eviction list drm/i915,agp/intel: Add second set of PCI-IDs for B43 drm/i915: Fix Sandybridge fence registers drm/i915/crt: Downgrade warnings for hotplug failures drm/i915: Ensure that the crtcinfo is populated during mode_fixup()
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: lguest: update comments to reflect LHCALL_LOAD_GDT_ENTRY. virtio: console: Prevent userspace from submitting NULL buffers virtio: console: Fix poll blocking even though there is data to read
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