44 lines
1.4 KiB
Diff
44 lines
1.4 KiB
Diff
From ab07574ef90fa510f293c37897d577066a88fe0d Mon Sep 17 00:00:00 2001
|
|
From: Nathan Lynch <nathan_lynch@mentor.com>
|
|
Date: Tue, 25 Apr 2017 16:26:57 -0500
|
|
Subject: [PATCH] BUILD_RUNTIME_BUG_ON vs gcc7
|
|
|
|
Avoid using LTTng's BUILD_RUNTIME_BUG_ON macro, as it appears to run
|
|
into a similar problem as Linux experienced with ilog2.
|
|
|
|
See:
|
|
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=474c90156c8dcc2fa815e6716cc9394d7930cb9c
|
|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72785
|
|
|
|
Upstream-Status: Pending
|
|
Signed-off-by: Nathan Lynch <nathan_lynch@mentor.com>
|
|
---
|
|
lib/align.h | 4 ++--
|
|
1 file changed, 2 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/lib/align.h b/lib/align.h
|
|
index 5b91ae87410b..5e134cd485fe 100644
|
|
--- a/lib/align.h
|
|
+++ b/lib/align.h
|
|
@@ -48,7 +48,7 @@
|
|
*/
|
|
#define offset_align(align_drift, alignment) \
|
|
({ \
|
|
- BUILD_RUNTIME_BUG_ON((alignment) == 0 \
|
|
+ BUG_ON((alignment) == 0 \
|
|
|| ((alignment) & ((alignment) - 1))); \
|
|
(((alignment) - (align_drift)) & ((alignment) - 1)); \
|
|
})
|
|
@@ -63,7 +63,7 @@
|
|
*/
|
|
#define offset_align_floor(align_drift, alignment) \
|
|
({ \
|
|
- BUILD_RUNTIME_BUG_ON((alignment) == 0 \
|
|
+ BUG_ON((alignment) == 0 \
|
|
|| ((alignment) & ((alignment) - 1))); \
|
|
(((align_drift) - (alignment)) & ((alignment) - 1)); \
|
|
})
|
|
--
|
|
2.9.3
|
|
|