lkml.org 
[lkml]   [2010]   [Mar]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    Subject[PATCH][RESEND] tracing: Fix lockdep warning in global_clock()
     # echo 1 > events/enable
    # echo global > trace_clock

    ------------[ cut here ]------------
    WARNING: at kernel/lockdep.c:3162 check_flags+0xb2/0x190()
    ...
    ---[ end trace 3f86734a89416623 ]---
    possible reason: unannotated irqs-on.
    ...

    Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
    ---
    kernel/trace/trace_clock.c | 4 ++--
    1 files changed, 2 insertions(+), 2 deletions(-)

    diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c
    index 6fbfb8f..9d589d8 100644
    --- a/kernel/trace/trace_clock.c
    +++ b/kernel/trace/trace_clock.c
    @@ -84,7 +84,7 @@ u64 notrace trace_clock_global(void)
    int this_cpu;
    u64 now;

    - raw_local_irq_save(flags);
    + local_irq_save(flags);

    this_cpu = raw_smp_processor_id();
    now = cpu_clock(this_cpu);
    @@ -110,7 +110,7 @@ u64 notrace trace_clock_global(void)
    arch_spin_unlock(&trace_clock_struct.lock);

    out:
    - raw_local_irq_restore(flags);
    + local_irq_restore(flags);

    return now;
    }
    --
    1.6.3


    \
     
     \ /
      Last update: 2010-03-24 03:59    [W:0.021 / U:2.044 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site