Displaying 4 results from an estimated 4 matches for "irq_work_run".
2012 Apr 20
1
[PATCH v2 0/2] fix "perf top" soft lockups under Xen
v2:
- fix compile issues if no CONFIG_SMP, Konrad Rzeszutek Wilk
- move inc_irq_stat after irq_work_run
These 2 patches fixed the "perf top" soft lockups under Xen
reported by Steven at: https://lkml.org/lkml/2012/2/9/506
Both Steven and I tested it and "perf top" works well now.
The soft lockup code path is:
__irq_work_queue
arch_irq_work_raise
apic->send_IPI_self(IR...
2014 May 29
2
Divide error in kvm_unlock_kick()
Paolo Bonzini <pbonzini at redhat.com> wrote:
> Il 29/05/2014 19:45, Chris Webb ha scritto:
>> Chris Webb <chris at arachsys.com> wrote:
>>
>>> My CPU flags inside the crashing guest look like this:
>>>
>>> fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush
>>> mmx fxsr sse sse2 ht syscall nx mmxext
2014 May 29
2
Divide error in kvm_unlock_kick()
Paolo Bonzini <pbonzini at redhat.com> wrote:
> Il 29/05/2014 19:45, Chris Webb ha scritto:
>> Chris Webb <chris at arachsys.com> wrote:
>>
>>> My CPU flags inside the crashing guest look like this:
>>>
>>> fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush
>>> mmx fxsr sse sse2 ht syscall nx mmxext
2014 Jun 01
0
Divide error in kvm_unlock_kick()
...[<ffffffff810dd6f6>] default_wake_function+0xd/0xf
[<ffffffff810e99f0>] autoremove_wake_function+0xd/0x2f
[<ffffffff810e944f>] __wake_up_common+0x50/0x7c
[<ffffffff810e962f>] __wake_up+0x34/0x46
[<ffffffff810f3b45>] rsp_wakeup+0x1c/0x1e
[<ffffffff81112e31>] irq_work_run+0x77/0x9b
[<ffffffff810063e2>] smp_irq_work_interrupt+0x2a/0x31
[<ffffffff8158739d>] irq_work_interrupt+0x6d/0x80
[<ffffffff81585336>] ? _raw_spin_unlock_irqrestore+0x41/0x6a
[<ffffffff810f5402>] rcu_process_callbacks+0x162/0x486
[<ffffffff810c4140>] ? run_timer_s...