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(parent: 44fcf1c) | patch
[POWERPC] Remove barriers from the SLB shadow buffer update
authorMichael Neuling <mikey@neuling.org>
Fri, 24 Aug 2007 06:58:37 +0000 (16:58 +1000)
committerPaul Mackerras <paulus@samba.org>
Wed, 19 Sep 2007 04:40:54 +0000 (14:40 +1000)
commit5c7023b99de1446808703c8d6c10f288506befdc
tree672112cc5404b389f0547b4f5428ec06ca1ca122tree | snapshot
parent44fcf1c9d03e1f4a3c712031c92fb52d71b2106ccommit | diff
[POWERPC] Remove barriers from the SLB shadow buffer update

After talking to an IBM POWER hypervisor (PHYP) design and development
guy, there seems to be no need for memory barriers when updating the SLB
shadow buffer provided we only update it from the current CPU, which we
do.

Also, these guys see no need in the future for these barriers.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
arch/powerpc/kernel/entry_64.S diff | blob | history
arch/powerpc/mm/slb.c diff | blob | history
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