[PATCH] powerpc: Define cpus_in_crash only for SMP kernels

The variable cpus_in_crash gets a defined-but-not-used warning when
CONFIG_SMP=n, so fix by placing the variable under ifdef.

Signed-off-by: Paul E. McKenney <redacted>

diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 28be345..eb3384e 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c

@@ -46,7 +46,9 @@
 
 /* This keeps a track of which one is the crashing cpu. */
 int crashing_cpu = -1;
+#ifdef CONFIG_SMP
 static atomic_t cpus_in_crash;
+#endif /* #ifdef CONFIG_SMP */
 static int time_to_dump;
 
 #define CRASH_HANDLER_MAX 3

On 12-02-01 01:55 PM, Paul E. McKenney wrote:

The variable cpus_in_crash gets a defined-but-not-used warning when
CONFIG_SMP=n, so fix by placing the variable under ifdef.

I think Ben already merged a similar fix.

http://patchwork.ozlabs.org/patch/136549/

P.

On Wed, Feb 01, 2012 at 03:28:34PM -0500, Paul Gortmaker wrote:

On 12-02-01 01:55 PM, Paul E. McKenney wrote:

quoted

The variable cpus_in_crash gets a defined-but-not-used warning when
CONFIG_SMP=n, so fix by placing the variable under ifdef.

I think Ben already merged a similar fix.

http://patchwork.ozlabs.org/patch/136549/

P.

Linus's tree does now have cpus_in_crash, so agreed.  Sorry for the
noise!

							Thanx, Paul

quoted

Signed-off-by: Paul E. McKenney <redacted>

diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 28be345..eb3384e 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c

@@ -46,7 +46,9 @@
 
 /* This keeps a track of which one is the crashing cpu. */
 int crashing_cpu = -1;
+#ifdef CONFIG_SMP
 static atomic_t cpus_in_crash;
+#endif /* #ifdef CONFIG_SMP */
 static int time_to_dump;
 
 #define CRASH_HANDLER_MAX 3