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x86: conditionalize stack canary handling in hot path
author
Tejun Heo
<tj@kernel.org>
Tue, 20 Jan 2009 03:29:19 +0000
(12:29 +0900)
committer
Tejun Heo
<tj@kernel.org>
Tue, 20 Jan 2009 03:29:19 +0000
(12:29 +0900)
Impact: no unnecessary stack canary swapping during context switch
There's no point in moving stack_canary around during context switch
if it's not enabled. Conditionalize it.
Signed-off-by: Tejun Heo <tj@kernel.org>
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git.openpandora.org / pandora-kernel.git / commitdiff