Commit-ID: 2c6cb1053ad8b61ab9fb50b578d0ffea959f7583
Gitweb: http://git.kernel.org/tip/2c6cb1053ad8b61ab9fb50b578d0ffea959f7583
Author: Rakib Mullick <rakib.mullick@xxxxxxxxx>
AuthorDate: Thu, 9 Dec 2010 14:47:34 +0600
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Thu, 9 Dec 2010 16:06:52 +0100
x86: Address 'unused' warning in hw_nmi.c again
arch/x86/kernel/apic/hw_nmi.c:29: warning: backtrace_mask defined but not used
commit 0e2af2a9(x86, hw_nmi: Move backtrace_mask declaration under
ARCH_HAS_NMI_WATCHDOG) addressed this warning, but it was reintroduced
by commit 5f2b0ba4(x86, nmi_watchdog: Remove the old nmi_watchdog).
Move backtrace_mask into the #ifdef arch_trigger_all_cpu_backtrace
section again.
Signed-off-by: Rakib Mullick <rakib.mullick@xxxxxxxxx>
Cc: Don Zickus <dzickus@xxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
LKML-Reference: <AANLkTi=rcc38QzoKa6LFy4m++-p_9=Zt4_kDQE=GeKxf@xxxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/x86/kernel/apic/hw_nmi.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/apic/hw_nmi.c b/arch/x86/kernel/apic/hw_nmi.c
index a0e71cb..057f1eb 100644
--- a/arch/x86/kernel/apic/hw_nmi.c
+++ b/arch/x86/kernel/apic/hw_nmi.c
@@ -24,11 +24,11 @@ u64 hw_nmi_get_sample_period(void)
}
#endif
+#ifdef arch_trigger_all_cpu_backtrace
/* For reliability, we're prepared to waste bits here. */
static DECLARE_BITMAP(backtrace_mask, NR_CPUS) __read_mostly;
-#ifdef arch_trigger_all_cpu_backtrace
void arch_trigger_all_cpu_backtrace(void)
{
int i;
--
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