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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-07 07:59:41 -0700
committerIngo Molnar <mingo@elte.hu>2009-04-07 17:07:41 +0200
commitab3c9c686e22ab264269337ce7b75d9760211198 (patch)
tree613445ecfef2b6a0dc2e4300ff8b463f7968f84f /include/linux/compiler.h
parentd9ad8bc0ca823705413f75b50c442a88cc518b35 (diff)
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branch tracer, intel-iommu: fix build with CONFIG_BRANCH_TRACER=y
Fix the branch tracer barfing on comma statements within if () statements. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/compiler.h')
-rw-r--r--include/linux/compiler.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 8872ad6..37bcb50 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -115,7 +115,9 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
* "Define 'is'", Bill Clinton
* "Define 'if'", Steven Rostedt
*/
-#define if(cond) if (__builtin_constant_p((cond)) ? !!(cond) : \
+#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
+#define __trace_if(cond) \
+ if (__builtin_constant_p((cond)) ? !!(cond) : \
({ \
int ______r; \
static struct ftrace_branch_data \
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