]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 54c271b) | patch
powerpc: No need to preserve count register across system call
authorAnton Blanchard <anton@samba.org>
Wed, 4 Apr 2012 18:26:39 +0000 (18:26 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 30 Apr 2012 05:35:10 +0000 (15:35 +1000)
commite21c54338240077e56afae29eb65e49322fe8863
tree156c5ae4bf4e0c2b8e27f2bc499b2248a7fe28a4tree | snapshot
parent54c271ba9f33986fa078f3c799ca11cdfa15ae01commit | diff
powerpc: No need to preserve count register across system call

The count register is volatile so we don't need to preserve it.
Store zero to the entry in the exception frame.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/entry_64.S diff | blob | history
Linux Kernel Source Tree.