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(parent: 4ae0ff6) | patch
powerpc/mm: Remove unused register usage in SW TLB miss handling
authorKumar Gala <galak@kernel.crashing.org>
Thu, 19 Mar 2009 03:55:39 +0000 (03:55 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Tue, 24 Mar 2009 02:47:31 +0000 (13:47 +1100)
commit00fcb14703d8322a9c66cb3f48b5c49ac7d43f0a
treee23dd5504897c5dc75d2dc839ef84dfd56c6ff6btree | snapshot
parent4ae0ff606e848fa4957ebf8f97e5db5fdeec27becommit | diff
powerpc/mm: Remove unused register usage in SW TLB miss handling

Long ago we had some code that actually used the CTR in the SW TLB
miss handlers (603/e300).  Since we don't use it no reason to waste
cycles saving it off and restoring it (we actually didn't restore it
in the fast path case).

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/head_32.S diff | blob | history
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