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    Subject[PATCH 46/79] [PATCH] schedule work only if keventd is already running
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    From: Glauber Costa <gcosta@redhat.com>

    Only call schedule_work if keventd is already running.
    This is already the way x86_64 does

    Signed-off-by: Glauber Costa <gcosta@redhat.com>
    ---
    arch/x86/kernel/smpboot_32.c | 8 ++++++--
    1 files changed, 6 insertions(+), 2 deletions(-)

    diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c
    index 5cae17f..255c6f7 100644
    --- a/arch/x86/kernel/smpboot_32.c
    +++ b/arch/x86/kernel/smpboot_32.c
    @@ -708,8 +708,12 @@ static void __cpuinit __smp_prepare_cpu(int cpu)
    clone_pgd_range(swapper_pg_dir, swapper_pg_dir + USER_PGD_PTRS,
    min_t(unsigned long, KERNEL_PGD_PTRS, USER_PGD_PTRS));
    flush_tlb_all();
    - schedule_work(&info.task);
    - wait_for_completion(&done);
    + if (!keventd_up() || current_is_keventd())
    + info.task.func(&info.task);
    + else {
    + schedule_work(&info.task);
    + wait_for_completion(&done);
    + }

    zap_low_mappings();
    }
    --
    1.5.0.6


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