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Commit 0e2af2a9 authored by Rakib Mullick's avatar Rakib Mullick Committed by Ingo Molnar
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x86, hw_nmi: Move backtrace_mask declaration under ARCH_HAS_NMI_WATCHDOG 



backtrace_mask has been used under the code context of
ARCH_HAS_NMI_WATCHDOG. So put it into that context.
We were warned by the following warning:

  arch/x86/kernel/apic/hw_nmi.c:21: warning: ‘backtrace_mask’ defined but not used

Signed-off-by: default avatarRakib Mullick <rakib.mullick@gmail.com>
Signed-off-by: default avatarDon Zickus <dzickus@redhat.com>
LKML-Reference: <1289573455-3410-2-git-send-email-dzickus@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent a89d4bd0

arch/x86/kernel/apic/hw_nmi.c

+4 −3
Original line number Diff line number Diff line
@@ -17,15 +17,16 @@ 
#include <linux/nmi.h>

#include <linux/module.h>



/* For reliability, we're prepared to waste bits here. */

static DECLARE_BITMAP(backtrace_mask, NR_CPUS) __read_mostly;



u64 hw_nmi_get_sample_period(void)

{

	return (u64)(cpu_khz) * 1000 * 60;

}



#ifdef ARCH_HAS_NMI_WATCHDOG



/* For reliability, we're prepared to waste bits here. */

static DECLARE_BITMAP(backtrace_mask, NR_CPUS) __read_mostly;



void arch_trigger_all_cpu_backtrace(void)

{

	int i;