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    Subject[PATCH 35/42] x86: check with without_new in show_interrupts
    Date
    so don't get new one that we don't need

    Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
    ---
    arch/x86/kernel/irq_64.c | 5 ++++-
    1 files changed, 4 insertions(+), 1 deletions(-)

    diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
    index 007e4a2..42b2c12 100644
    --- a/arch/x86/kernel/irq_64.c
    +++ b/arch/x86/kernel/irq_64.c
    @@ -83,7 +83,10 @@ int show_interrupts(struct seq_file *p, void *v)

    if (i < nr_irqs) {
    unsigned any_count = 0;
    - struct irq_desc *desc = irq_desc(i);
    + struct irq_desc *desc = irq_desc_without_new(i);
    +
    + if (!desc)
    + return 0;

    spin_lock_irqsave(&desc->lock, flags);
    #ifndef CONFIG_SMP
    --
    1.5.4.5


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