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