Messages in this thread Patch in this message |  | | | Date | Fri, 26 Dec 2008 21:06:52 -0800 | | From | Yinghai Lu <> | | Subject | [PATCH] kgdb: more barrier in blank weak function |
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Impact: fix panic possible panic etc
some compiler seems to inline the weak global function if no line in it
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
diff --git a/kernel/kgdb.c b/kernel/kgdb.c index e4dcfb2..70d2e36 100644 --- a/kernel/kgdb.c +++ b/kernel/kgdb.c @@ -223,7 +223,7 @@ int __weak kgdb_skipexception(int exception, struct pt_regs *regs) void __weak kgdb_post_primary_code(struct pt_regs *regs, int e_vector, int err_code) { - return; + barrier(); } /** @@ -236,6 +236,7 @@ kgdb_post_primary_code(struct pt_regs *regs, int e_vector, int err_code) */ void __weak kgdb_disable_hw_debug(struct pt_regs *regs) { + barrier(); } /*
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