commit: f7b0e1055574ce06ab53391263b4e205bf38daf3 From: Li Fei <fei.li@xxxxxxxxx> Date: Fri, 26 Apr 2013 20:50:11 +0800 Subject: x86: Eliminate irq_mis_count counted in arch_irq_stat With the current implementation, kstat_cpu(cpu).irqs_sum is also increased in case of irq_mis_count increment. So there is no need to count irq_mis_count in arch_irq_stat, otherwise irq_mis_count will be counted twice in the sum of /proc/stat. Reported-by: Liu Chuansheng <chuansheng.liu@xxxxxxxxx> Signed-off-by: Li Fei <fei.li@xxxxxxxxx> Acked-by: Liu Chuansheng <chuansheng.liu@xxxxxxxxx> Cc: tomoki.sekiyama.qu@xxxxxxxxxxx Cc: joe@xxxxxxxxxxx Link: http://lkml.kernel.org/r/1366980611.32469.7.camel@fli24-HP-Compaq-8100-Elite-CMT-PC Cc: <stable@xxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- arch/x86/kernel/irq.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index e4595f1..84b7789 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -165,10 +165,6 @@ u64 arch_irq_stat_cpu(unsigned int cpu) u64 arch_irq_stat(void) { u64 sum = atomic_read(&irq_err_count); - -#ifdef CONFIG_X86_IO_APIC - sum += atomic_read(&irq_mis_count); -#endif return sum; } -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html