- 23 Mar, 2011 15 commits
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Tetsuo Handa authored
commit eae61f3c upstream. In tomoyo_check_open_permission() since 2.6.36, TOMOYO was by error recalculating already calculated pathname when checking allow_rewrite permission. As a result, memory will leak whenever a file is opened for writing without O_APPEND flag. Also, performance will degrade because TOMOYO is calculating pathname regardless of profile configuration. This patch fixes the leak and performance degrade. Signed-off-by:
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by:
James Morris <jmorris@namei.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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Mathieu Desnoyers authored
commit 0e00f7ae upstream. Intel Archiecture Software Developer's Manual section 7.1.3 specifies that a core serializing instruction such as "cpuid" should be executed on _each_ core before the new instruction is made visible. Failure to do so can lead to unspecified behavior (Intel XMC erratas include General Protection Fault in the list), so we should avoid this at all cost. This problem can affect modified code executed by interrupt handlers after interrupt are re-enabled at the end of stop_machine, because no core serializing instruction is executed between the code modification and the moment interrupts are reenabled. Because stop_machine_text_poke performs the text modification from the first CPU decrementing stop_machine_first, modified code executed in thread context is also affected by this problem. To explain why, we have to split the CPUs in two categories: the CPU that initiates the text modification (calls text_poke_smp) and all the others. The scheduler, executed on all other CPUs after stop_machine, issues an "iret" core serializing instruction, and therefore handles core serialization for all these CPUs. However, the text modification initiator can continue its execution on the same thread and access the modified text without any scheduler call. Given that the CPU that initiates the code modification is not guaranteed to be the one actually performing the code modification, it falls into the XMC errata. Q: Isn't this executed from an IPI handler, which will return with IRET (a serializing instruction) anyway? A: No, now stop_machine uses per-cpu workqueue, so that handler will be executed from worker threads. There is no iret anymore. Signed-off-by:
Mathieu Desnoyers <mathieu.desnoyers@efficios.com> LKML-Reference: <20110303160137.GB1590@Krystal> Reviewed-by:
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Arjan van de Ven <arjan@infradead.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by:
H. Peter Anvin <hpa@linux.intel.com> Signed-off-by:
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Steven J. Magnani authored
commit 6f3946b4 upstream. A userland read of more than PAGE_SIZE bytes from /dev/zero results in (a) not all of the bytes returned being zero, and (b) memory corruption due to zeroing of bytes beyond the user buffer. This is caused by improper constraints on the assembly __clear_user function. The constrints don't indicate to the compiler that the pointer argument is modified. Since the function is inline, this results in double-incrementing of the pointer when __clear_user() is invoked through a multi-page read() of /dev/zero. Signed-off-by:
Steven J. Magnani <steve@digidescorp.com> Acked-by:
Michal Simek <monstr@monstr.eu> Signed-off-by:
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Andreas Herrmann authored
commit 1d3e09a3 upstream. Commit 7f74f8f2 (x86 quirk: Fix polarity for IRQ0 pin2 override on SB800 systems) introduced a regression. It removed some SB600 specific code to determine the revision ID without adapting a corresponding revision ID check for SB600. See this mail thread: http://marc.info/?l=linux-kernel&m=129980296006380&w=2 This patch adapts the corresponding check to cover all SB600 revisions. Tested-by:
Wang Lei <f3d27b@gmail.com> Signed-off-by:
Andreas Herrmann <andreas.herrmann3@amd.com> Cc: Andrew Morton <akpm@linux-foundation.org> LKML-Reference: <20110315143137.GD29499@alberich.amd.com> Signed-off-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Sean Hefty authored
commit 29963437 upstream. When processing a SIDR REQ, the ib_cm allocates a new cm_id. The refcount of the cm_id is initialized to 1. However, cm_process_work will decrement the refcount after invoking all callbacks. The result is that the cm_id will end up with refcount set to 0 by the end of the sidr req handler. If a user tries to destroy the cm_id, the destruction will proceed, under the incorrect assumption that no other threads are referencing the cm_id. This can lead to a crash when the cm callback thread tries to access the cm_id. This problem was noticed as part of a larger investigation with kernel crashes in the rdma_cm when running on a real time OS. Signed-off-by:
Sean Hefty <sean.hefty@intel.com> Acked-by:
Doug Ledford <dledford@redhat.com> Signed-off-by:
Roland Dreier <roland@purestorage.com> Signed-off-by:
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Linus Torvalds authored
commit 34d211a2 upstream. It turns out that while a maximum of 8 partitions may be what people "should" have had, you can actually fit up to 18 entries(*) in a sector. And some people clearly were taking advantage of that, like Michael Cree, who had ten partitions on one of his OSF disks. (*) The OSF partition data starts at byte offset 64 in the first sector, and the array of 16-byte partition entries start at offset 148 in the on-disk partition structure. Reported-by:
Michael Cree <mcree@orcon.net.nz> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
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Sean Hefty authored
commit 25ae21a1 upstream. Doug Ledford and Red Hat reported a crash when running the rdma_cm on a real-time OS. The crash has the following call trace: cm_process_work cma_req_handler cma_disable_callback rdma_create_id kzalloc init_completion cma_get_net_info cma_save_net_info cma_any_addr cma_zero_addr rdma_translate_ip rdma_copy_addr cma_acquire_dev rdma_addr_get_sgid ib_find_cached_gid cma_attach_to_dev ucma_event_handler kzalloc ib_copy_ah_attr_to_user cma_comp [ preempted ] cma_write copy_from_user ucma_destroy_id copy_from_user _ucma_find_context ucma_put_ctx ucma_free_ctx rdma_destroy_id cma_exch cma_cancel_operation rdma_node_get_transport rt_mutex_slowunlock bad_area_nosemaphore oops_enter They were able to reproduce the crash multiple times with the following details: Crash seems to always happen on the: mutex_unlock(&conn_id->handler_mutex); as conn_id looks to have been freed during this code path. An examination of the code shows that a race exists in the request handlers. When a new connection request is received, the rdma_cm allocates a new connection identifier. This identifier has a single reference count on it. If a user calls rdma_destroy_id() from another thread after receiving a callback, rdma_destroy_id will proceed to destroy the id and free the associated memory. However, the request handlers may still be in the process of running. When control returns to the request handlers, they can attempt to access the newly created identifiers. Fix this by holding a reference on the newly created rdma_cm_id until the request handler is through accessing it. Signed-off-by:
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Tejun Heo authored
commit eb0e85e3 upstream. ata_eh_analyze_serror() suppresses hotplug notifications if LPM is being used because LPM generates spurious hotplug events. It compared whether link->lpm_policy was different from ATA_LPM_MAX_POWER to determine whether LPM is enabled; however, this is incorrect as for drivers which don't implement LPM, lpm_policy is always ATA_LPM_UNKNOWN. This disabled hotplug detection for all drivers which don't implement LPM. Fix it by comparing whether lpm_policy is greater than ATA_LPM_MAX_POWER. Signed-off-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
Jeff Garzik <jgarzik@redhat.com> Signed-off-by:
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Per Jessen authored
commit 467b41c6 upstream. Recognize Marvell 88SE9125 PCIe SATA 6.0 Gb/s controller. Signed-off-by:
Per Jessen <per@computer.org> Signed-off-by:
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Seth Heasley authored
commit 64a3903d upstream. This patch adds an updated SATA RAID DeviceID for the Intel Patsburg PCH. Signed-off-by:
Seth Heasley <seth.heasley@intel.com> Signed-off-by:
Jeff Garzik <jgarzik@pobox.com> Signed-off-by:
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Kamal Mostafa authored
commit 9a6d44b9 upstream. Emit warning when "mem=nopentium" is specified on any arch other than x86_32 (the only that arch supports it). Signed-off-by:
Kamal Mostafa <kamal@canonical.com> BugLink: http://bugs.launchpad.net/bugs/553464 Cc: Yinghai Lu <yinghai@kernel.org> Cc: Len Brown <len.brown@intel.com> Cc: Rafael J. Wysocki <rjw@sisk.pl> LKML-Reference: <1296783486-23033-2-git-send-email-kamal@canonical.com> Signed-off-by:
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Kamal Mostafa authored
commit 77eed821 upstream. Avoid removing all of memory and panicing when "mem={invalid}" is specified, e.g. mem=blahblah, mem=0, or mem=nopentium (on platforms other than x86_32). Signed-off-by:
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Steven Rostedt authored
commit 868baf07 upstream. When the fuction graph tracer starts, it needs to make a special stack for each task to save the real return values of the tasks. All running tasks have this stack created, as well as any new tasks. On CPU hot plug, the new idle task will allocate a stack as well when init_idle() is called. The problem is that cpu hotplug does not create a new idle_task. Instead it uses the idle task that existed when the cpu went down. ftrace_graph_init_task() will add a new ret_stack to the task that is given to it. Because a clone will make the task have a stack of its parent it does not check if the task's ret_stack is already NULL or not. When the CPU hotplug code starts a CPU up again, it will allocate a new stack even though one already existed for it. The solution is to treat the idle_task specially. In fact, the function_graph code already does, just not at init_idle(). Instead of using the ftrace_graph_init_task() for the idle task, which that function expects the task to be a clone, have a separate ftrace_graph_init_idle_task(). Also, we will create a per_cpu ret_stack that is used by the idle task. When we call ftrace_graph_init_idle_task() it will check if the idle task's ret_stack is NULL, if it is, then it will assign it the per_cpu ret_stack. Reported-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Suggested-by:
Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by:
Steven Rostedt <rostedt@goodmis.org> Signed-off-by:
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Trond Myklebust authored
commit c83ce989 upstream. The new vfs locking scheme introduced in 2.6.38 breaks NFS sillyrename because the latter relies on being able to determine the parent directory of the dentry in the ->iput() callback in order to send the appropriate unlink rpc call. Looking at the code that cares about races with dput(), there doesn't seem to be anything that specifically uses d_parent as a test for whether or not there is a race: - __d_lookup_rcu(), __d_lookup() all test for d_hashed() after d_parent - shrink_dcache_for_umount() is safe since nothing else can rearrange the dentries in that super block. - have_submount(), select_parent() and d_genocide() can test for a deletion if we set the DCACHE_DISCONNECTED flag when the dentry is removed from the parent's d_subdirs list. Signed-off-by:
Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by:
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Linus Torvalds authored
commit c826cb7d upstream. This creates a helper function for he "try to ascend into the parent directory" case, which was written out in triplicate before. With all the locking and subtle sequence number stuff, we really don't want to duplicate that kind of code. Signed-off-by:
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- 15 Mar, 2011 1 commit
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Linus Torvalds authored
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- 14 Mar, 2011 24 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300Linus Torvalds authored
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300: MN10300: atomic_read() should ensure it emits a load MN10300: The SMP_ICACHE_INV_FLUSH_RANGE IPI command does not exist MN10300: Proper use of macros get_user() in the case of incremented pointers
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git://git.linux-mips.org/pub/scm/upstream-linusLinus Torvalds authored
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: (26 commits) MIPS: Alchemy: Fix reset for MTX-1 and XXS1500 MIPS: MTX-1: Make au1000_eth probe all PHY addresses MIPS: Jz4740: Add HAVE_CLK MIPS: Move idle task creation to work queue MIPS, Perf-events: Use unsigned delta for right shift in event update MIPS, Perf-events: Work with the new callchain interface MIPS, Perf-events: Fix event check in validate_event() MIPS, Perf-events: Work with the new PMU interface MIPS, Perf-events: Work with irq_work MIPS: Fix always CONFIG_LOONGSON_UART_BASE=y MIPS: Loongson: Fix potentially wrong string handling MIPS: Fix GCC-4.6 'set but not used' warning in arch/mips/mm/init.c MIPS: Fix GCC-4.6 'set but not used' warning in ieee754int.h MIPS: Remove unused code from arch/mips/kernel/syscall.c MIPS: Fix GCC-4.6 'set but not used' warning in signal*.c MIPS: MSP: Fix MSP71xx bpci interrupt handler return value MIPS: Select R4K timer lib for all MSP platforms MIPS: Loongson: Remove ad-hoc cmdline default MIPS: Clear the correct flag in sysmips(MIPS_FIXADE, ...). MIPS: Add an unreachable return statement to satisfy buggy GCCs. ...
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Linus Torvalds authored
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: ce4100: Set pci ops via callback instead of module init x86/mm: Fix pgd_lock deadlock x86/mm: Handle mm_fault_error() in kernel space x86: Don't check for BIOS corruption in first 64K when there's no need to
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Linus Torvalds authored
This reverts the parent commit. I hate doing that, but it's generating some discussion ("half of it is right"), and since I am planning on doing the 2.6.38 release later today we can punt it to stable if required. Let's not rock the boat right now. Signed-off-by: -
Oleg Nesterov authored
oom_kill_process() starts with victim_points == 0. This means that (most likely) any child has more points and can be killed erroneously. Also, "children has a different mm" doesn't match the reality, we should check child->mm != t->mm. This check is not exactly correct if t->mm == NULL but this doesn't really matter, oom_kill_task() will kill them anyway. Note: "Kill all processes sharing p->mm" in oom_kill_task() is wrong too. Signed-off-by:
Oleg Nesterov <oleg@redhat.com> Signed-off-by:
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Florian Fainelli authored
Since commit 32fd6901 (MIPS: Alchemy: get rid of common/reset.c) Alchemy-based boards use their own reset function. For MTX-1 and XXS1500, the reset function pokes at the BCSR.SYSTEM_RESET register, but this does not work. According to Bruno Randolf, this was not tested when written. Previously, the generic au1000_restart() routine called the board specific reset function, which for MTX-1 and XXS1500 did not work, but finally made a jump to the reset vector, which really triggers a system restart. Fix reboot for both targets by jumping to the reset vector. Signed-off-by:
Florian Fainelli <florian@openwrt.org> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2093/Acked-by:
Bruno Randolf <br1@einfach.org> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Florian Fainelli authored
When au1000_eth probes the MII bus for PHY address, if we do not set au1000_eth platform data's phy_search_highest_address, the MII probing logic will exit early and will assume a valid PHY is found at address 0. For MTX-1, the PHY is at address 31, and without this patch, the link detection/speed/duplex would not work correctly. CC: stable@kernel.org Signed-off-by:
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Maurus Cuelenaere authored
Jz4740 supports the clock framework but doesn't have HAVE_CLK defined, so define it! Signed-off-by:
Maurus Cuelenaere <mcuelenaere@gmail.com> To: linux-mips@linux-mips.org To: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/2112/Acked-by:
Lars-Peter Clausen <lars@metafoo.de> Signed-off-by:
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Maksim Rayskiy authored
To avoid forking usermode thread when creating an idle task, move fork_idle to a work queue. If kernel starts with maxcpus= option which does not bring all available cpus online at boot time, idle tasks for offline cpus are not created. If later offline cpus are hotplugged through sysfs, __cpu_up is called in the context of the user task, and fork_idle copies its non-zero mm pointer. This causes BUG() in per_cpu_trap_init. This also avoids issues with resource limits of the CPU writing to sysfs, containers, maybe others. Signed-off-by:
Maksim Rayskiy <mrayskiy@broadcom.com> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2070/Signed-off-by:
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Deng-Cheng Zhu authored
Leverage the commit for ARM by Will Deacon: - 446a5a8b ARM: 6205/1: perf: ensure counter delta is treated as unsigned Hardware performance counters on ARM are 32-bits wide but atomic64_t variables are used to represent counter data in the hw_perf_event structure. The armpmu_event_update function right-shifts a signed 64-bit delta variable and adds the result to the event count. This can lead to shifting in sign-bits if the MSB of the 32-bit counter value is set. This results in perf output such as: Performance counter stats for 'sleep 20': 18446744073460670464 cycles <-- 0xFFFFFFFFF12A6000 7783773 instructions # 0.000 IPC 465 context-switches 161 page-faults 1172393 branches 20.154242147 seconds time elapsed This patch ensures that the delta value is treated as unsigned so that the right shift sets the upper bits to zero. Acked-by:
Will Deacon <will.deacon@arm.com> Acked-by:
David Daney <ddaney@caviumnetworks.com> Signed-off-by:
Deng-Cheng Zhu <dengcheng.zhu@gmail.com> To: a.p.zijlstra@chello.nl To: fweisbec@gmail.com To: will.deacon@arm.com Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: wuzhangjin@gmail.com Cc: paulus@samba.org Cc: mingo@elte.hu Cc: acme@redhat.com Cc: matt@console-pimps.org Cc: sshtylyov@mvista.com Patchwork: http://patchwork.linux-mips.org/patch/2015/Signed-off-by:
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Deng-Cheng Zhu authored
This is the MIPS part of the following commits by Frederic Weisbecker: - f72c1a93 perf: Factorize callchain context handling Store the kernel and user contexts from the generic layer instead of archs, this gathers some repetitive code. - 56962b44 perf: Generalize some arch callchain code - Most archs use one callchain buffer per cpu, except x86 that needs to deal with NMIs. Provide a default perf_callchain_buffer() implementation that x86 overrides. - Centralize all the kernel/user regs handling and invoke new arch handlers from there: perf_callchain_user() / perf_callchain_kernel() That avoid all the user_mode(), current->mm checks and so... - Invert some parameters in perf_callchain_*() helpers: entry to the left, regs to the right, following the traditional (dst, src). - 70791ce9 perf: Generalize callchain_store() callchain_store() is the same on every archs, inline it in perf_event.h and rename it to perf_callchain_store() to avoid any collision. This removes repetitive code. - c1a65932 perf: Drop unappropriate tests on arch callchains Drop the TASK_RUNNING test on user tasks for callchains as this check doesn't seem to make any sense. Also remove the tests for !current that is not supposed to happen and current->pid as this should be handled at the generic level, with exclude_idle attribute. Reported-by:
Wu Zhangjin <wuzhangjin@gmail.com> Acked-by:
Frederic Weisbecker <fweisbec@gmail.com> Acked-by:
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Deng-Cheng Zhu authored
Ignore events that are in off/error state or belong to a different PMU. This patch originates from the following commit for ARM by Will Deacon: - 65b4711f ARM: 6352/1: perf: fix event validation The validate_event function in the ARM perf events backend has the following problems: 1.) Events that are disabled count towards the cost. 2.) Events associated with other PMUs [for example, software events or breakpoints] do not count towards the cost, but do fail validation, causing the group to fail. This patch changes validate_event so that it ignores events in the PERF_EVENT_STATE_OFF state or that are scheduled for other PMUs. Acked-by:
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Deng-Cheng Zhu authored
This is the MIPS part of the following commits by Peter Zijlstra: - a4eaf7f1 perf: Rework the PMU methods Replace pmu::{enable,disable,start,stop,unthrottle} with pmu::{add,del,start,stop}, all of which take a flags argument. The new interface extends the capability to stop a counter while keeping it scheduled on the PMU. We replace the throttled state with the generic stopped state. This also allows us to efficiently stop/start counters over certain code paths (like IRQ handlers). It also allows scheduling a counter without it starting, allowing for a generic frozen state (useful for rotating stopped counters). The stopped state is implemented in two different ways, depending on how the architecture implemented the throttled state: 1) We disable the counter: a) the pmu has per-counter enable bits, we flip that b) we program a NOP event, preserving the counter state 2) We store the counter state and ignore all read/overflow events For MIPSXX, the stopped state is implemented in the way of 1.b as above. - 33696fc0 perf: Per PMU disable Changes perf_disable() into perf_pmu_disable(). - 24cd7f54 perf: Reduce perf_disable() usage Since the current perf_disable() usage is only an optimization, remove it for now. This eases the removal of the __weak hw_perf_enable() interface. - b0a873eb perf: Register PMU implementations Simple registration interface for struct pmu, this provides the infrastructure for removing all the weak functions. - 51b0fe39 perf: Deconstify struct pmu sed -ie 's/const struct pmu\>/struct pmu/g' `git grep -l "const struct pmu\>"` Reported-by:
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Deng-Cheng Zhu authored
This is the MIPS part of the following commit by Peter Zijlstra: - e360adbe irq_work: Add generic hardirq context callbacks Provide a mechanism that allows running code in IRQ context. It is most useful for NMI code that needs to interact with the rest of the system -- like wakeup a task to drain buffers. Perf currently has such a mechanism, so extract that and provide it as a generic feature, independent of perf so that others may also benefit. The IRQ context callback is generated through self-IPIs where possible, or on architectures like powerpc the decrementer (the built-in timer facility) is set to generate an interrupt immediately. Architectures that don't have anything like this get to do with a callback from the timer tick. These architectures can call irq_work_run() at the tail of any IRQ handlers that might enqueue such work (like the perf IRQ handler) to avoid undue latencies in processing the work. For MIPSXX, we need to call irq_work_run() at the tail of the perf IRQ handler as described above. Reported-by:
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Yoichi Yuasa authored
Signed-off-by:
Yoichi Yuasa <yuasa@linux-mips.org> Cc: linux-mips <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/2055/Signed-off-by:
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Stefan Weil authored
This error was reported by cppcheck: arch/mips/loongson/common/machtype.c:56: error: Dangerous usage of 'str' (strncpy doesn't always 0-terminate it) If strncpy copied MACHTYPE_LEN bytes, the destination string str was not terminated. The patch adds one more byte to str and makes sure that this byte is always 0. Signed-off-by:
Stefan Weil <weil@mail.berlios.de> Cc: Wu Zhangjin <wuzhangjin@gmail.com> Cc: Arnaud Patard <apatard@mandriva.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/2053/Signed-off-by:
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David Daney authored
Under some combinations of CONFIG_*, lastpfn in page_is_ram is 'set but not used'. Mark it as __maybe_unused to quiet the warning/error. Signed-off-by:
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David Daney authored
GCC-4.6 can find more unused code than previous versions could. In the case of arch/mips/math-emu/ieee754int.h, the COMPXSP and COMPXDP macros are used in several places, but a couple of them leave xs unused. The easiest thing to do is mark it as __maybe_unused to quiet the warning. Signed-off-by:
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David Daney authored
The variable arg3 in _sys_sysmips() is unused. Remove it. Signed-off-by:
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David Daney authored
GCC-4.6 can find more unused code than previous versions could. In the case of protected_restore_fp_context{,32}, the variable tmp is really used. Its use is tricky in that we really care about the side effects of the __put_user() calls. So we must mark tmp with __maybe_unused to quiet the warning. Signed-off-by: -
Anoop P A authored
Signed-off-by:
Anoop P A <anoop.pa@gmail.com> To: Ben Hutchings <ben@decadent.org.uk> To: linux-mips@linux-mips.org To: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1804/Signed-off-by:
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Anoop P A authored
Signed-off-by:
Shane McDonald <mcdonald.shane@gmail.com> Signed-off-by:
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Robert Millan authored
Loongson builds have an ad-hoc cmdline default of "console=ttyS0,115200 root=/dev/hda1". These settings come from a vendor; I remember builds from Lemote branch requiring a "console=tty" override in order to get a working console. At least on Yeeloong, they're particularly useless: there's no external serial port, and the IDE drive is now recognised as /dev/sda. Signed-off-by:
Robert Millan <rmh@gnu.org> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1759/Signed-off-by:
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Stefan Oberhumer authored
The sysmips(MIPS_FIXADE, ...) case contains an obvious copy-and-paste error in the handling of the TIF_LOGADE flag. Fix that Patchwork: https://patchwork.linux-mips.org/patch/1997/Signed-off-by:
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