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(parent: a640354) | 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)
commit94fa09fa9dfcf7db7d21fa387a5a47b8e78a8cab
tree156c5ae4bf4e0c2b8e27f2bc499b2248a7fe28a4tree | snapshot
parenta6403548534bc248a7ca13677dbbb78b3ae8ff8ecommit | 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
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