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2013-07-19qlcnic: Fix releasing of Tx frag which was never mapped.Jitendra Kalsaria
o Driver was freeing Tx frag which was never mapped before which result into panic as kernel was unable to handle paging request. BUG: unable to handle kernel paging request at ffffc9002552a000 IP: [<ffffffffa05ed762>] qlcnic_release_tx_buffers+0x72/0x170 [qlcnic] PGD 87fc15067 PUD 47febf067 PMD 4758c5067 PTE 0 Oops: 0000 [#1] SMP crash> bt PID: 27343 TASK: ffff8802a5de8080 CPU: 27 COMMAND: "ifconfig" [ffff8802a34b3850] machine_kexec at ffffffff81035b7b [ffff8802a34b38b0] crash_kexec at ffffffff810c0db2 [ffff8802a34b3980] oops_end at ffffffff815111d0 [ffff8802a34b39b0] no_context at ffffffff81046bfb [ffff8802a34b3a00] __bad_area_nosemaphore at ffffffff81046e85 [ffff8802a34b3a50] bad_area_nosemaphore at ffffffff81046f53 [ffff8802a34b3a60] __do_page_fault at ffffffff810476b1 [ffff8802a34b3b80] do_page_fault at ffffffff8151311e [ffff8802a34b3bb0] page_fault at ffffffff815104d5 [exception RIP: qlcnic_release_tx_buffers+114] RIP: ffffffffa05ed762 RSP: ffff8802a34b3c68 RFLAGS: 00010246 RAX: ffff88087989c000 RBX: ffffc90025529ff8 RCX: 0000000000000001 RDX: 0000000000000013 RSI: 0000000000000013 RDI: 0000000000000000 RBP: ffff8802a34b3ca8 R8: 0000000000000000 R9: 0000000000000000 R10: 000000000000000c R11: 0000000000000000 R12: 0000000000000012 R13: ffffc90025529ec0 R14: ffff880761e876e0 R15: 00000000000003ff ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 [ffff8802a34b3cb0] __qlcnic_down at ffffffffa05e8b15 [qlcnic] [ffff8802a34b3d00] qlcnic_close at ffffffffa05e8b78 [qlcnic] [ffff8802a34b3d10] dev_close at ffffffff81449d81 [ffff8802a34b3d30] dev_change_flags at ffffffff814495c1 Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-19qlcnic: Fix dump template version maskShahed Shaikh
Driver was using wrong mask for template version. Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-19qlcnic: Fix ethtool display for 83xx adapter.Himanshu Madhani
o Commit b938662d88264c1a92611ca1b82fdff5a4e87121 ("qlcnic: Fix ethtool supported port status for 83xx") introduced regression for display of link status for 83xx adapter while refactoring port status display. This patch is to fix the link status display for 83xx adapter. Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-19qlcnic: Fix panic while setting VF's MAC addressManish Chopra
o "qlcnic_sriov" structure pointer should be accessed only when SR-IOV is enabled. Access this pointer after SR-IOV PF check. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-19qlcnic: Fix multicast packet handling for PF and VF.Sucheta Chakraborty
o Multicast MAC was not getting programmed due to which multicast packets were being dropped by FW. This patch fixes commit 168e4fb54c11865668ad50eff81b5f2729e0e0f4 ("qlcnic: Secondary unicast MAC address support.") which introduced bug in handling multicast packets. Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-19qlcnic: Fix NULL pointer dereference in VF probe path.Sucheta Chakraborty
o Check for non-NULL set_mac_filter_count function pointer before calling it fixes the panic. This patch fixes regression introduced by patch "qlcnic: Secondary unicast MAC address support." with commit id 168e4fb54c11865668ad50eff81b5f2729e0e0f4. Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-19qlcnic: Set __QLCNIC_DEV_UP in adapter state before enabling interruptsPratik Pujar
NAPI poll function does not re-enable the interrupt, if __QLCNIC_DEV_UP is not set in adapter state. This was preventing driver from receiving any packet. Signed-off-by: Pratik Pujar <pratik.pujar@qlogic.com> Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-19qlcnic: Fix invalid register offset calculationShahed Shaikh
83xx adapter specific code was accessing 82xx register which resulted in invalid register offset. This patch uses proper register access method. Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-19vxlan: fix igmp racesstephen hemminger
There are two race conditions in existing code for doing IGMP management in workqueue in vxlan. First, the vxlan_group_used function checks the list of vxlan's without any protection, and it is possible for open followed by close to occur before the igmp work queue runs. To solve these move the check into vxlan_open/stop so it is protected by RTNL. And split into two work structures so that there is no racy reference to underlying device state. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-19vxlan: unregister on namespace exitstephen hemminger
Fix memory leaks and other badness from VXLAN network namespace teardown. When network namespace is removed, all the vxlan devices should be unregistered (not closed). Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Reviewed-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-20allow O_TMPFILE to work with O_WRONLYAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-07-19Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/umlLinus Torvalds
Pull UML fixes from Richard Weinberger: "Special thanks goes to Toralf Föster for continuously testing UML and reporting issues!" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: remove dead code um: siginfo cleanup uml: Fix which_tmpdir failure when /dev/shm is a symlink, and in other edge cases um: Fix wait_stub_done() error handling um: Mark stub pages mapping with VM_PFNMAP um: Fix return value of strnlen_user()
2013-07-19Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds
Pull MIPS fixes from Ralf Baechle: "MIPS fixes for 3.11. Half of then is for Netlogic the remainder touches things across arch/mips. Nothing really dramatic and by rc1 standards MIPS will be in fairly good shape with this applied. Tested by building all MIPS defconfigs of which with this pull request four platforms won't build. And yes, it boots also on my favorite test systems" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: kvm: Kconfig: Drop HAVE_KVM dependency from VIRTUALIZATION MIPS: Octeon: Fix DT pruning bug with pip ports MIPS: KVM: Mark KVM_GUEST (T&E KVM) as BROKEN_ON_SMP MIPS: tlbex: fix broken build in v3.11-rc1 MIPS: Netlogic: Add XLP PIC irqdomain MIPS: Netlogic: Fix USB block's coherent DMA mask MIPS: tlbex: Fix typo in r3000 tlb store handler MIPS: BMIPS: Fix thinko to release slave TP from reset MIPS: Delete dead invocation of exception_exit().
2013-07-19Merge tag 'arm64-stable' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64 Pull arm64 fixes from Catalin Marinas: - Post -rc1 update to the common reboot infrastructure. - Fixes (user cache maintenance fault handling, !COMPAT compilation, CPU online and interrupt hanlding). * tag 'arm64-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64: arm64: use common reboot infrastructure arm64: mm: don't treat user cache maintenance faults as writes arm64: add '#ifdef CONFIG_COMPAT' for aarch32_break_handler() arm64: Only enable local interrupts after the CPU is marked online
2013-07-19Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Martin Schwidefsky: "An update for the BFP jit to the latest and greatest, two patches to get kdump working again, the random-abort ptrace extention for transactional execution, the z90crypt module alias for ap and a tiny cleanup" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/zcrypt: Alias for new zcrypt device driver base module s390/kdump: Allow copy_oldmem_page() copy to virtual memory s390/kdump: Disable mmap for s390 s390/bpf,jit: add pkt_type support s390/bpf,jit: address randomize and write protect jit code s390/bpf,jit: use generic jit dumper s390/bpf,jit: call module_free() from any context s390/qdio: remove unused variable s390/ptrace: PTRACE_TE_ABORT_RAND
2013-07-19alpha: Use handle_percpu_irq for the timer interruptRichard Henderson
Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-07-19alpha: Force the user-visible HZ to a constant 1024.Richard Henderson
This kernel/user split was done long ago for other architectures. Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-07-19alpha: Don't if-out dp264_device_interrupt.Richard Henderson
The code as written is correct, and will be used by QEMU emulation. Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-07-19alpha: Use __builtin_alpha_rpccRichard Henderson
As introduced in gcc 3.2. Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-07-19alpha: Fix type compatibility warning for marvel_map_irqRichard Henderson
Acked-by: Phil Carmody <pc+lkml@asdf.org> Reviewed-and-Tested-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-07-19alpha: Generate dwarf2 unwind info for various kernel entry points.Richard Henderson
Having unwind info past the PALcode generated stack frame makes debugging the kernel significantly easier. Acked-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-07-19alpha: Implement atomic64_dec_if_positiveRichard Henderson
Reviewed-and-Tested-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-07-19alpha: Improve atomic_add_unlessRichard Henderson
Use ll/sc loops instead of C loops around cmpxchg. Update the atomic64_add_unless block comment to match the code. Reviewed-and-Tested-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-07-19alpha: Modernize lib/mpi/longlong.hRichard Henderson
Remove the compile warning for __udiv_qrnnd not having a prototype. Use the __builtin_alpha_umulh introduced in gcc 4.0. Reviewed-and-Tested-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-07-19alpha: Add kcmp and finit_module syscallsRichard Henderson
Reviewed-and-Tested-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-07-19alpha: locks: remove unused arch_*_relax operationsWill Deacon
The arch_{spin,read,write}_relax macros are not used anywhere in the kernel and are typically just aliases for cpu_relax(). This patch removes the unused definitions for Alpha. Cc: Al Viro <viro@zeniv.linux.org.uk> Reviewed-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2013-07-19alpha: kernel: typo issue, using '1' instead of '11'Chen Gang
For sending message: *(unsigned int *)&cpu->ipc_buffer[0] = len; cp1 = (char *) &cpu->ipc_buffer[1]; But for receive message: cnt = cpu->ipc_buffer[0] >> 32; ... cp1 = (char *) &cpu->ipc_buffer[11]; They are not pairs, it is typo issue of the redundency '1'. So need use '1' instead of '11'. Reviewed-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Chen Gang <gang.chen@asianux.com>
2013-07-19alpha: kernel: using memcpy() instead of strcpy()Chen Gang
When sending message in send_secondary_console_msg(), the length is not include the NUL byte, and also not copy NUL to 'ipc_buffer'. When receive message in recv_secondary_console_msg(), the 'cnt' also excludes NUL. So when get string from ipc_buffer, it may not be NUL terminated. Then use memcpy() instead of strcpy(), and set last byte NUL. Reviewed-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Chen Gang <gang.chen@asianux.com>
2013-07-19alpha: Convert print_symbol to %pSRJoe Perches
Use the new vsprintf extension to avoid any possible message interleaving. Reviewed-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Joe Perches <joe@perches.com>
2013-07-19Btrfs: fix wrong write offset when replacing a deviceStefan Behrens
Miao Xie reported the following issue: The filesystem was corrupted after we did a device replace. Steps to reproduce: # mkfs.btrfs -f -m single -d raid10 <device0>..<device3> # mount <device0> <mnt> # btrfs replace start -rfB 1 <device4> <mnt> # umount <mnt> # btrfsck <device4> The reason for the issue is that we changed the write offset by mistake, introduced by commit 625f1c8dc. We read the data from the source device at first, and then write the data into the corresponding place of the new device. In order to implement the "-r" option, the source location is remapped using btrfs_map_block(). The read takes place on the mapped location, and the write needs to take place on the unmapped location. Currently the write is using the mapped location, and this commit changes it back by undoing the change to the write address that the aforementioned commit added by mistake. Reported-by: Miao Xie <miaox@cn.fujitsu.com> Cc: <stable@vger.kernel.org> # 3.10+ Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-07-19Btrfs: re-add root to dead root list if we stop dropping itJosef Bacik
If we stop dropping a root for whatever reason we need to add it back to the dead root list so that we will re-start the dropping next transaction commit. The other case this happens is if we recover a drop because we will add a root without adding it to the fs radix tree, so we can leak it's root and commit root extent buffer, adding this to the dead root list makes this cleanup happen. Thanks, Cc: stable@vger.kernel.org Reported-by: Alex Lyakas <alex.btrfs@zadarastorage.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-07-19Btrfs: fix lock leak when resuming snapshot deletionJosef Bacik
We aren't setting path->locks[level] when we resume a snapshot deletion which means we won't unlock the buffer when we free the path. This causes deadlocks if we happen to re-allocate the block before we've evicted the extent buffer from cache. Thanks, Cc: stable@vger.kernel.org Reported-by: Alex Lyakas <alex.btrfs@zadarastorage.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-07-19Btrfs: update drop progress before stopping snapshot droppingJosef Bacik
Alex pointed out a problem and fix that exists in the drop one snapshot at a time patch. If we decide we need to exit for whatever reason (umount for example) we will just exit the snapshot dropping without updating the drop progress. So the next time we go to resume we will BUG_ON() because we can't find the extent we left off at because we never updated it. This patch fixes the problem. Cc: stable@vger.kernel.org Reported-by: Alex Lyakas <alex.btrfs@zadarastorage.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-07-19ASoC: ep93xx: fix build of ep93xx-ac97.cH Hartley Sweeten
Fix the build of this driver. It was broken by: Commit 453807f3006757a5661c4000262d7d9284b5214c ASoC: ep93xx: Use ep93xx_dma_params instead of ep93xx_pcm_dma_params The removed struct ep93xx_pcm_dma_params use the member 'dma_port' to select the dma channel. The struct ep93xx_dma_data uses the member 'port'. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ryan Mallon <rmallon@gmail.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Mark Brown <broonie@kernel.org> Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: Jaroslav Kysela <perex@perex.cz> Cc: Takashi Iwai <tiwai@suse.de> Signed-off-by: Mark Brown <broonie@linaro.org>
2013-07-19tracing: Kill the unbalanced tr->ref++ in tracing_buffers_open()Oleg Nesterov
tracing_buffers_open() does trace_array_get() and then it wrongly inrcements tr->ref again under trace_types_lock. This means that every caller leaks trace_array: # cd /sys/kernel/debug/tracing/ # mkdir instances/X # true < instances/X/per_cpu/cpu0/trace_pipe_raw # rmdir instances/X rmdir: failed to remove `instances/X': Device or resource busy Link: http://lkml.kernel.org/r/20130719153644.GA18899@redhat.com Cc: Ingo Molnar <mingo@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: stable@vger.kernel.org # 3.10 Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2013-07-19Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull KVM fix from Paolo Bonzini: "This single patch fixes a regression caused by one of the optimizations introduced in 3.11, which is generally visible only on AMD processors" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: MMU: avoid fast page fault fixing mmio page fault
2013-07-19Merge tag 'pm+acpi-3.11-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management and ACPI fixes from Rafael Wysocki: "These are fixes collected over the last week, most importnatly two cpufreq reverts fixing regressions introduced in 3.10, an autoseelp fix preventing systems using it from crashing during shutdown and two ACPI scan fixes related to hotplug. Specifics: - Two cpufreq commits from the 3.10 cycle introduced regressions. The first of them was buggy (it did way much more than it needed to do) and the second one attempted to fix an issue introduced by the first one. Fixes from Srivatsa S Bhat revert both. - If autosleep triggers during system shutdown and the shutdown callbacks of some device drivers have been called already, it may crash the system. Fix from Liu Shuo prevents that from happening by making try_to_suspend() check system_state. - The ACPI memory hotplug driver doesn't clear its driver_data on errors which may cause a NULL poiter dereference to happen later. Fix from Toshi Kani. - The ACPI namespace scanning code should not try to attach scan handlers to device objects that have them already, which may confuse things quite a bit, and it should rescan the whole namespace branch starting at the given node after receiving a bus check notify event even if the device at that particular node has been discovered already. Fixes from Rafael J Wysocki. - New ACPI video blacklist entry for a system whose initial backlight setting from the BIOS doesn't make sense. From Lan Tianyu. - Garbage string output avoindance for ACPI PNP from Liu Shuo. - Two Kconfig fixes for issues introduced recently in the s3c24xx cpufreq driver (when moving the driver to drivers/cpufreq) from Paul Bolle. - Trivial comment fix in pm_wakeup.h from Chanwoo Choi" * tag 'pm+acpi-3.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / video: ignore BIOS initial backlight value for Fujitsu E753 PNP / ACPI: avoid garbage in resource name cpufreq: Revert commit 2f7021a8 to fix CPU hotplug regression cpufreq: s3c24xx: fix "depends on ARM_S3C24XX" in Kconfig cpufreq: s3c24xx: rename CONFIG_CPU_FREQ_S3C24XX_DEBUGFS PM / Sleep: Fix comment typo in pm_wakeup.h PM / Sleep: avoid 'autosleep' in shutdown progress cpufreq: Revert commit a66b2e to fix suspend/resume regression ACPI / memhotplug: Fix a stale pointer in error path ACPI / scan: Always call acpi_bus_scan() for bus check notifications ACPI / scan: Do not try to attach scan handlers to devices having them
2013-07-19Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
2013-07-19arm64: use common reboot infrastructureMarc Zyngier
Commit 7b6d864b48d9 (reboot: arm: change reboot_mode to use enum reboot_mode) changed the way reboot is handled on arm, which has a direct impact on arm64 as we share the reset driver on the VE platform. The obvious fix is to move arm64 to use the same infrastructure. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> [catalin.marinas@arm.com: removed reboot_mode = REBOOT_HARD default setting] Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-07-19tracing: Kill trace_array->waiterOleg Nesterov
Trivial. trace_array->waiter has no users since 6eaaa5d5 "tracing/core: use appropriate waiting on trace_pipe". Link: http://lkml.kernel.org/r/20130719142036.GA1594@redhat.com Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2013-07-19NFC: Fix NCI over SPI buildFrederic Danis
kbuild test robot found following error: net/built-in.o: In function `nci_spi_send': >> spi.c:(.text+0x19a76f): undefined reference to `crc_ccitt' Add CRC_CCITT module to Kconfig to fix it Reported-by: kbuild test robot. Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-07-19arm64: mm: don't treat user cache maintenance faults as writesWill Deacon
On arm64, cache maintenance faults appear as data aborts with the CM bit set in the ESR. The WnR bit, usually used to distinguish between faulting loads and stores, always reads as 1 and (slightly confusingly) the instructions are treated as reads by the architecture. This patch fixes our fault handling code to treat cache maintenance faults in the same way as loads. Signed-off-by: Will Deacon <will.deacon@arm.com> Cc: <stable@vger.kernel.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-07-19arm64: add '#ifdef CONFIG_COMPAT' for aarch32_break_handler()Chen Gang
If 'COMPAT' not defined, aarch32_break_handler() cannot pass compiling, and it can work independent with 'COMPAT', so remove dummy definition. The related error: arch/arm64/kernel/debug-monitors.c:249:5: error: redefinition of ‘aarch32_break_handler’ In file included from arch/arm64/kernel/debug-monitors.c:29:0: /root/linux-next/arch/arm64/include/asm/debug-monitors.h:89:12: note: previous definition of ‘aarch32_break_handler’ was here Signed-off-by: Chen Gang <gang.chen@asianux.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-07-19arm64: Only enable local interrupts after the CPU is marked onlineCatalin Marinas
There is a slight chance that (timer) interrupts are triggered before a secondary CPU has been marked online with implications on softirq thread affinity. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Reported-by: Kirill Tkhai <tkhai@yandex.ru>
2013-07-19can: usb_8dev: fix urb leak on failure path in usb_8dev_start()Alexey Khoroshilov
If usb_8dev_start() fails to submit urb, it unanchors the urb but forgets to free it. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2013-07-19net: can: esd_usb2: check index of array before accessingMaximilian Schneider
The esd_usb2_read_bulk_callback() function is parsing the data that comes from the USB CAN adapter. One datum is used as an index to access the dev->nets[] array. This patch adds the missing bounds checking. Acked-by: Matthias Fuchs <matthias.fuchs@esd.eu> Signed-off-by: Maximilian Schneider <max@schneidersoft.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2013-07-19MIPS: kvm: Kconfig: Drop HAVE_KVM dependency from VIRTUALIZATIONMarkos Chandras
Virtualization does not always need KVM capabilities so drop the dependency. The KVM symbol already depends on HAVE_KVM. Fixes the following problem on a randconfig: warning: (REMOTEPROC && RPMSG) selects VIRTUALIZATION which has unmet direct dependencies (HAVE_KVM) warning: (REMOTEPROC && RPMSG) selects VIRTUALIZATION which has unmet direct dependencies (HAVE_KVM) Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Acked-by: Steven J. Hill <Steven.Hill@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5443/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-07-19Merge branch 'omap-for-v3.11/dt-fixes' into omap-for-v3.11/fixesTony Lindgren
2013-07-19um: remove dead codeRichard Weinberger
"me" is not used. Signed-off-by: Richard Weinberger <richard@nod.at>
2013-07-19um: siginfo cleanupRichard Weinberger
Currently we use both struct siginfo and siginfo_t. Let's use struct siginfo internally to avoid ongoing compiler warning. We are allowed to do so because struct siginfo and siginfo_t are equivalent. Signed-off-by: Richard Weinberger <richard@nod.at>
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