- 10 Dec, 2012 9 commits
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Calvin Walton authored
commit a51d4ed0 upstream. This board is incorrectly detected as having an LVDS connector, resulting in the VGA output (the only available output on the board) showing the console only in the top-left 1024x768 pixels, and an extra LVDS connector appearing in X. It's a desktop Mini-ITX board using an Atom D525 CPU with an NM10 chipset. I've had this board for about a year, but this is the first time I noticed the issue because I've been running it headless for most of its life. Signed-off-by:
Calvin Walton <calvin.walton@kepstin.ca> Signed-off-by:
Peter Huewe <peterhuewe@gmx.de> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Alan Cox authored
commit 879dca01 upstream. We handle NOTIFY_THROTTLING so don't then fall through to unsupported event. Signed-off-by:
Alan Cox <alan@linux.intel.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by:
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Michal Kubecek authored
Stable-3.0 commit 42ab5316 (ipv4: fix redirect handling) was backport of mainline commit 9cc20b26 from 3.2-rc3 where hh member of struct dst_entry was already gone. However, in 3.0 we still have it and we have to clean it as well, otherwise it keeps pointing to the cleaned up (and unusable) hh_cache entry and packets cannot be sent out. Signed-off-by:
Michal Kubecek <mkubecek@suse.cz> Cc: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by:
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Mike Galbraith authored
commit fd8ef117 upstream. This reverts commit 800d4d30. Between commits 8323f26c ("sched: Fix race in task_group()") and 800d4d30 ("sched, autogroup: Stop going ahead if autogroup is disabled"), autogroup is a wreck. With both applied, all you have to do to crash a box is disable autogroup during boot up, then reboot.. boom, NULL pointer dereference due to commit 800d4d30 not allowing autogroup to move things, and commit 8323f26c making that the only way to switch runqueues: BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffff81063ac0>] effective_load.isra.43+0x50/0x90 Pid: 7047, comm: systemd-user-se Not tainted 3.6.8-smp #7 MEDIONPC MS-7502/MS-7502 RIP: effective_load.isra.43+0x50/0x90 Process systemd-user-se (pid: 7047, threadinfo ffff880221dde000, task ffff88022618b3a0) Call Trace: select_task_rq_fair+0x255/0x780 try_to_wake_up+0x156/0x2c0 wake_up_state+0xb/0x10 signal_wake_up+0x28/0x40 complete_signal+0x1d6/0x250 __send_signal+0x170/0x310 send_signal+0x40/0x80 do_send_sig_info+0x47/0x90 group_send_sig_info+0x4a/0x70 kill_pid_info+0x3a/0x60 sys_kill+0x97/0x1a0 ? vfs_read+0x120/0x160 ? sys_read+0x45/0x90 system_call_fastpath+0x16/0x1b Code: 49 0f af 41 50 31 d2 49 f7 f0 48 83 f8 01 48 0f 46 c6 48 2b 07 48 8b bf 40 01 00 00 48 85 ff 74 3a 45 31 c0 48 8b 8f 50 01 00 00 <48> 8b 11 4c 8b 89 80 00 00 00 49 89 d2 48 01 d0 45 8b 59 58 4c RIP [<ffffffff81063ac0>] effective_load.isra.43+0x50/0x90 RSP <ffff880221ddfbd8> CR2: 0000000000000000 Signed-off-by:
Mike Galbraith <efault@gmx.de> Acked-by:
Ingo Molnar <mingo@kernel.org> Cc: Yong Zhang <yong.zhang0@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
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Mike Galbraith authored
commit 412d32e6 upstream. A rescue thread exiting TASK_INTERRUPTIBLE can lead to a task scheduling off, never to be seen again. In the case where this occurred, an exiting thread hit reiserfs homebrew conditional resched while holding a mutex, bringing the box to its knees. PID: 18105 TASK: ffff8807fd412180 CPU: 5 COMMAND: "kdmflush" #0 [ffff8808157e7670] schedule at ffffffff8143f489 #1 [ffff8808157e77b8] reiserfs_get_block at ffffffffa038ab2d [reiserfs] #2 [ffff8808157e79a8] __block_write_begin at ffffffff8117fb14 #3 [ffff8808157e7a98] reiserfs_write_begin at ffffffffa0388695 [reiserfs] #4 [ffff8808157e7ad8] generic_perform_write at ffffffff810ee9e2 #5 [ffff8808157e7b58] generic_file_buffered_write at ffffffff810eeb41 #6 [ffff8808157e7ba8] __generic_file_aio_write at ffffffff810f1a3a #7 [ffff8808157e7c58] generic_file_aio_write at ffffffff810f1c88 #8 [ffff8808157e7cc8] do_sync_write at ffffffff8114f850 #9 [ffff8808157e7dd8] do_acct_process at ffffffff810a268f [exception RIP: kernel_thread_helper] RIP: ffffffff8144a5c0 RSP: ffff8808157e7f58 RFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8107af60 RDI: ffff8803ee491d18 RBP: 0000000000000000 R8: 0000000000000000 R9: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 Signed-off-by:
Mike Galbraith <mgalbraith@suse.de> Signed-off-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
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Naoya Horiguchi authored
commit 783657a7 upstream. When we try to soft-offline a thp tail page, put_page() is called on the tail page unthinkingly and VM_BUG_ON is triggered in put_compound_page(). This patch splits thp before going into the main body of soft-offlining. Signed-off-by:
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Andi Kleen <andi.kleen@intel.com> Cc: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Jianguo Wu authored
commit ae64ffca upstream. I enable CONFIG_DEBUG_VIRTUAL and CONFIG_SPARSEMEM_VMEMMAP, when doing memory hotremove, there is a kernel BUG at arch/x86/mm/physaddr.c:20. It is caused by free_section_usemap()->virt_to_page(), virt_to_page() is only used for kernel direct mapping address, but sparse-vmemmap uses vmemmap address, so it is going wrong here. ------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:20! invalid opcode: 0000 [#1] SMP Modules linked in: acpihp_drv acpihp_slot edd cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq mperf fuse vfat fat loop dm_mod coretemp kvm crc32c_intel ipv6 ixgbe igb iTCO_wdt i7core_edac edac_core pcspkr iTCO_vendor_support ioatdma microcode joydev sr_mod i2c_i801 dca lpc_ich mfd_core mdio tpm_tis i2c_core hid_generic tpm cdrom sg tpm_bios rtc_cmos button ext3 jbd mbcache usbhid hid uhci_hcd ehci_hcd usbcore usb_common sd_mod crc_t10dif processor thermal_sys hwmon scsi_dh_alua scsi_dh_hp_sw scsi_dh_rdac scsi_dh_emc scsi_dh ata_generic ata_piix libata megaraid_sas scsi_mod CPU 39 Pid: 6454, comm: sh Not tainted 3.7.0-rc1-acpihp-final+ #45 QCI QSSC-S4R/QSSC-S4R RIP: 0010:[<ffffffff8103c908>] [<ffffffff8103c908>] __phys_addr+0x88/0x90 RSP: 0018:ffff8804440d7c08 EFLAGS: 00010006 RAX: 0000000000000006 RBX: ffffea0012000000 RCX: 000000000000002c ... Signed-off-by:
Jianguo Wu <wujianguo@huawei.com> Signed-off-by:
Jiang Liu <jiang.liu@huawei.com> Reviewd-by:
Wen Congyang <wency@cn.fujitsu.com> Acked-by:
Johannes Weiner <hannes@cmpxchg.org> Reviewed-by:
Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Reviewed-by:
Michal Hocko <mhocko@suse.cz> Signed-off-by:
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Russell King - ARM Linux authored
commit d356cf5a upstream. PMU interrupts start at IRQ_DOVE_PMU_START, not IRQ_DOVE_PMU_START + 1. Fix the condition. (It may have been less likely to occur had the code been written "if (irq >= IRQ_DOVE_PMU_START" which imho is the easier to understand notation, and matches the normal way of thinking about these things.) Signed-off-by:
Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by:
Jason Cooper <jason@lakedaemon.net> Signed-off-by:
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Russell King - ARM Linux authored
commit 5d3df935 upstream. Fix the acknowledgement of PMU interrupts on Dove: some Dove hardware has not been sensibly designed so that interrupts can be handled in a race free manner. The PMU is one such instance. The pending (aka 'cause') register is a bunch of RW bits, meaning that these bits can be both cleared and set by software (confirmed on the Armada-510 on the cubox.) Hardware sets the appropriate bit when an interrupt is asserted, and software is required to clear the bits which are to be processed. If we write ~(1 << bit), then we end up asserting every other interrupt except the one we're processing. So, we need to do a read-modify-write cycle to clear the asserted bit. However, any interrupts which occur in the middle of this cycle will also be written back as zero, which will also clear the new interrupts. The upshot of this is: there is _no_ way to safely clear down interrupts in this register (and other similarly behaving interrupt pending registers on this device.) The patch below at least stops us creating new interrupts. Signed-off-by:
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- 06 Dec, 2012 2 commits
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Greg Kroah-Hartman authored
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H. Peter Anvin authored
commit cb57a2b4 upstream. Modules, in particular oprofile (and possibly other similar tools) need kernel_stack_pointer(), so export it using EXPORT_SYMBOL_GPL(). Cc: Yang Wei <wei.yang@windriver.com> Cc: Robert Richter <robert.richter@amd.com> Cc: Jun Zhang <jun.zhang@intel.com> Link: http://lkml.kernel.org/r/20120912135059.GZ8285@erda.amd.comSigned-off-by:
H. Peter Anvin <hpa@linux.intel.com> Cc: Robert Richter <rric@kernel.org> Cc: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com> Cc: Philip Müller <philm@manjaro.org> Signed-off-by:
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- 03 Dec, 2012 29 commits
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Greg Kroah-Hartman authored
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Jaehoon Chung authored
commit 5feb54a1 upstream. We can use up to four bus-clocks; but on module remove, we didn't disable the fourth bus clock. Signed-off-by:
Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by:
Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by:
Chris Ball <cjb@laptop.org> Cc: Ben Hutchings <ben@decadent.org.uk> Signed-off-by:
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Jussi Pakkanen authored
commit 52965cc0 upstream. Some bcm5974 trackpads have a physical button beneath the physical surface. This patch sets the property bit so user space applications can detect the trackpad type and act accordingly. Signed-off-by:
Jussi Pakkanen <jussi.pakkanen@canonical.com> Reviewed-by:
Henrik Rydberg <rydberg@euromail.se> Signed-off-by:
Dmitry Torokhov <dtor@mail.ru> Cc: maximilian attems <max@stro.at> Signed-off-by:
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Fenghua Yu authored
commit 29e9bf18 upstream. Thermal throttle and power limit events are not defined as MCE errors in x86 architecture and should not generate MCE errors in mcelog. Current kernel generates fake software defined MCE errors for these events. This may confuse users because they may think the machine has real MCE errors while actually only thermal throttle or power limit events happen. To make it worse, buggy firmware on some platforms may falsely generate the events. Therefore, kernel reports MCE errors which users think as real hardware errors. Although the firmware bugs should be fixed, on the other hand, kernel should not report MCE errors either. So mcelog is not a good mechanism to report these events. To report the events, we count them in respective counters (core_power_limit_count, package_power_limit_count, core_throttle_count, and package_throttle_count) in /sys/devices/system/cpu/cpu#/thermal_throttle/. Users can check the counters for each event on each CPU. Please note that all CPU's on one package report duplicate counters. It's user application's responsibity to retrieve a package level counter for one package. This patch doesn't report package level power limit, core level power limit, and package level thermal throttle events in mcelog. When the events happen, only report them in respective counters in sysfs. Since core level thermal throttle has been legacy code in kernel for a while and users accepted it as MCE error in mcelog, core level thermal throttle is still reported in mcelog. In the mean time, the event is counted in a counter in sysfs as well. Signed-off-by:
Fenghua Yu <fenghua.yu@intel.com> Acked-by:
Borislav Petkov <bp@amd64.org> Acked-by:
Tony Luck <tony.luck@intel.com> Link: http://lkml.kernel.org/r/20111215001945.GA21009@linux-os.sc.intel.comSigned-off-by:
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Merlin Schumacher authored
commit 67e1d34c upstream. BugLink: http://launchpad.net/bugs/865807 There is no entry for P key on TM8372, so when P key is pressed, only "acer_wmi: Unknown key number - 0x29" in dmesg. Signed-off-by:
Merlin Schumacher <merlin.schumacher@gmail.com> Signed-off-by:
Ike Panhc <ike.pan@canonical.com> Signed-off-by:
Matthew Garrett <mjg@redhat.com> Cc: maximilian attems <max@stro.at> Signed-off-by:
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Chuansheng Liu authored
commit 8ffeb9b0 upstream. In get_sample_period(), unsigned long is not enough: watchdog_thresh * 2 * (NSEC_PER_SEC / 5) case1: watchdog_thresh is 10 by default, the sample value will be: 0xEE6B2800 case2: set watchdog_thresh is 20, the sample value will be: 0x1 DCD6 5000 In case2, we need use u64 to express the sample period. Otherwise, changing the threshold thru proc often can not be successful. Signed-off-by:
liu chuansheng <chuansheng.liu@intel.com> Acked-by:
Don Zickus <dzickus@redhat.com> Signed-off-by:
Shuah Khan <shuah.khan@hp.com> Signed-off-by:
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Johan Hovold authored
commit 5260e458 upstream. Make sure generic close is called at close. The driver relies on the generic write implementation but did not call generic close. Note that the call to kill the read urb is not redundant, as mct_u232 uses an interrupt urb from the second port as the read urb and that generic close therefore fails to kill it. Compile-only tested. Signed-off-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
Ben Hutchings <ben@decadent.org.uk>
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Mauro Carvalho Chehab authored
commit 25ec43d3 upstream. The previous website doesn't exist anymore. Update it to one site that actually exists. Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by:
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Emil Tantilov authored
commit 9e791e4a upstream. Support for new 82599 based quad port adapter. Signed-off-by:
Emil Tantilov <emil.s.tantilov@intel.com> Tested-by:
Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by:
Abdallah Chatila <Abdallah.Chatila@ericsson.com> Signed-off-by:
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Emil Tantilov authored
commit 7d145282 upstream. This patch adds support for new device ID. Signed-off-by:
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David Milburn authored
commit b03e66a6 upstream. If kdump is triggered with pending IO, controller may not respond causing kdump to fail. http://marc.info/?l=linux-ide&m=133032255424658&w=2 During error recovery ata_do_dev_read_id never completes due hang in mmio_insw. ata_do_dev_read_id ata_sff_data_xfer ioread16_rep mmio_insw if DMA start bit is cleared before reset, PIO command is successful and kdump succeeds. Signed-off-by:
David Milburn <dmilburn@redhat.com> Signed-off-by:
Jeff Garzik <jgarzik@redhat.com> Cc: CAI Qian <caiqian@redhat.com> Signed-off-by:
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joshua.a.hay@intel.com authored
commit df376f0d upstream. This patch adds device support for Ethernet Controller X540-AT1. Signed-off-by:
Josh Hay <joshua.a.hay@intel.com> Tested-by:
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Tilman Schmidt authored
commit c6fdd8e5 upstream. The delayed work function int_in_work() may call usb_reset_device() and thus, indirectly, the driver's pre_reset method. Trying to cancel the work synchronously in that situation would deadlock. Fix by avoiding cancel_work_sync() in the pre_reset method. If the reset was NOT initiated by int_in_work() this might cause int_in_work() to run after the post_reset method, with urb_int_in already resubmitted, so handle that case gracefully. Signed-off-by:
Tilman Schmidt <tilman@imap.cc> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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David Henningsson authored
commit af02dde8 upstream. We found a new codec ID 292, and that just a simple quirk would enable sound output/input on this ALC292 chip. BugLink: https://bugs.launchpad.net/bugs/1081466Tested-by:
Acelan Kao <acelan.kao@canonical.com> Signed-off-by:
David Henningsson <david.henningsson@canonical.com> Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Duncan Roe authored
commit 7110005e upstream. Signed-off-by:
Duncan Roe <duncan_roe@acslink.net.au> Signed-off-by:
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Kailang Yang authored
commit 7ff34ad8 upstream. These are compatible with standard ALC269 parser. Signed-off-by:
Kailang Yang <kailang@realtek.com> Signed-off-by:
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Al Viro authored
commit fae2ae2a upstream. If a signal handler is executed on altstack and another signal comes, we will end up with rt_sigreturn() on return from the second handler getting -EPERM from do_sigaltstack(). It's perfectly OK, since we are not asking to change the settings; in fact, they couldn't have been changed during the second handler execution exactly because we'd been on altstack all along. 64bit sigreturn on sparc treats any error from do_sigaltstack() as "SIGSEGV now"; we need to switch to the same semantics we are using on other architectures. Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
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Jan Kara authored
commit 25389bb2 upstream. Commit 09e05d48 introduced a wait for transaction commit into journal_unmap_buffer() in the case we are truncating a buffer undergoing commit in the page stradding i_size on a filesystem with blocksize < pagesize. Sadly we forgot to drop buffer lock before waiting for transaction commit and thus deadlock is possible when kjournald wants to lock the buffer. Fix the problem by dropping the buffer lock before waiting for transaction commit. Since we are still holding page lock (and that is OK), buffer cannot disappear under us. Signed-off-by:
Jan Kara <jack@suse.cz> Signed-off-by:
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Oliver Hartkopp authored
commit 81b40110 upstream. Set in the rx_ifindex to pass the correct interface index in the case of a message timeout detection. Usually the rx_ifindex value is set at receive time. But when no CAN frame has been received the RX_TIMEOUT notification did not contain a valid value. Reported-by:
Andre Naujoks <nautsch2@googlemail.com> Signed-off-by:
Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by:
Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by:
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Paul Bolle authored
commit 45171002 upstream. The Intel 82855PM host bridge / Mobility FireGL 9000 RV250 combination in an (outdated) ThinkPad T41 needs AGPMode 1 for suspend/resume (under KMS, that is). So add a quirk for it. (Change R250 to RV250 in comment for preceding quirk too.) Signed-off-by:
Paul Bolle <pebolle@tiscali.nl> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Signed-off-by:
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Simon Wunderlich authored
commit b78a4932 upstream. The check whether the IBSS is active and can be removed should be performed before deinitializing the fields used for the check/search. Otherwise, the configured BSS will not be found and removed properly. To make it more clear for the future, rename sdata->u.ibss to the local pointer ifibss which is used within the checks. This behaviour was introduced by f3209bea ("mac80211: fix IBSS teardown race") Signed-off-by:
Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Cc: Ignacy Gawedzki <i@lri.fr> Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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Darren Hart authored
commit aa10990e upstream. Dave Jones reported a bug with futex_lock_pi() that his trinity test exposed. Sometime between queue_me() and taking the q.lock_ptr, the lock_ptr became NULL, resulting in a crash. While futex_wake() is careful to not call wake_futex() on futex_q's with a pi_state or an rt_waiter (which are either waiting for a futex_unlock_pi() or a PI futex_requeue()), futex_wake_op() and futex_requeue() do not perform the same test. Update futex_wake_op() and futex_requeue() to test for q.pi_state and q.rt_waiter and abort with -EINVAL if detected. To ensure any future breakage is caught, add a WARN() to wake_futex() if the same condition is true. This fix has seen 3 hours of testing with "trinity -c futex" on an x86_64 VM with 4 CPUS. [akpm@linux-foundation.org: tidy up the WARN()] Signed-off-by:
Darren Hart <dvhart@linux.intel.com> Reported-by:
Dave Jones <davej@redat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: John Kacur <jkacur@redhat.com> Signed-off-by:
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Jens Axboe authored
commit a8c32a5c upstream. Request based dm attempts to re-run the request queue off the request completion path. If used with a driver that potentially does end_io from its request_fn, we could deadlock trying to recurse back into request dispatch. Fix this by punting the request queue run to kblockd. Tested to fix a quickly reproducible deadlock in such a scenario. Acked-by:
Alasdair G Kergon <agk@redhat.com> Signed-off-by:
Jens Axboe <axboe@kernel.dk> Signed-off-by:
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Jiri Engelthaler authored
commit c36a7ff4 upstream. Fixed parsing end absolute address. Signed-off-by:
Jiri Engelthaler <engycz@gmail.com> Signed-off-by:
Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by:
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Al Viro authored
commit 441a179d upstream. int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, compat_sigset_t __user *oset, unsigned int sigsetsize) { sigset_t old_set, new_set; int ret; if (set && get_sigset32(set, &new_set, sigsetsize)) ... static int get_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz) { compat_sigset_t s; int r; if (sz != sizeof *set) panic("put_sigset32()"); In other words, rt_sigprocmask(69, (void *)69, 69) done by 32bit process will promptly panic the box. Signed-off-by:
James Bottomley <JBottomley@Parallels.com> Signed-off-by:
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James Bottomley authored
commit 949a05d0 upstream. On Thu, 2012-11-01 at 16:45 -0700, Michel Lespinasse wrote: > Looking at the arch/parisc/kernel/sys_parisc.c implementation of > get_shared_area(), I do have a concern though. The function basically > ignores the pgoff argument, so that if one creates a shared mapping of > pages 0-N of a file, and then a separate shared mapping of pages 1-N > of that same file, both will have the same cache offset for their > starting address. > > This looks like this would create obvious aliasing issues. Am I > misreading this ? I can't understand how this could work good enough > to be undetected, so there must be something I'm missing here ??? This turns out to be correct and we need to pay attention to the pgoff as well as the address when creating the virtual address for the area. Fortunately, the bug is rarely triggered as most applications which use pgoff tend to use large values (git being the primary one, and it uses pgoff in multiples of 16MB) which are larger than our cache coherency modulus, so the problem isn't often seen in practise. Reported-by:
Michel Lespinasse <walken@google.com> Signed-off-by:
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Clemens Ladisch authored
commit e99ddfde upstream. Commit 88a8516a (ALSA: usbaudio: implement USB autosuspend) added autosuspend code to all files making up the snd-usb-audio driver. However, midi.c is part of snd-usb-lib and is also used by other drivers, not all of which support autosuspend. Thus, calls to usb_autopm_get_interface() could fail, and this unexpected error would result in the MIDI output being completely unusable. Make it work by ignoring the error that is expected with drivers that do not support autosuspend. Reported-by:
Colin Fletcher <colin.m.fletcher@googlemail.com> Reported-by:
Devin Venable <venable.devin@gmail.com> Reported-by:
Dr Nick Bailey <nicholas.bailey@glasgow.ac.uk> Reported-by:
Jannis Achstetter <jannis_achstetter@web.de> Reported-by:
Rui Nuno Capela <rncbc@rncbc.org> Cc: Oliver Neukum <oliver@neukum.org> Signed-off-by:
Clemens Ladisch <clemens@ladisch.de> Signed-off-by:
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Maciej Patelczyk authored
commit 49bd665c upstream. SATA MICROCODE DOWNALOAD fails on isci driver. After receiving Register Device to Host (FIS 0x34) frame Initiator resets phy. In the frame handler routine response (FIS 0x34) was copied into wrong buffer and upper layer did not receive any answer which resulted in timeout and reset. This patch corrects this bug. Signed-off-by:
Maciej Patelczyk <maciej.patelczyk@intel.com> Signed-off-by:
Lukasz Dorau <lukasz.dorau@intel.com> Signed-off-by:
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Bing Zhao authored
commit dd321acd upstream. When host_sleep_config command fails we should return error to MMC core to indicate the failure for our device. The misspelled variable is also removed as it's redundant. Signed-off-by:
Bing Zhao <bzhao@marvell.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com> Signed-off-by:
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