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(parent: 9969497) | patch
powerpc/pseries: Kill all prefetch streams on context switch
authorMichael Neuling <mikey@neuling.org>
Wed, 29 May 2013 19:34:27 +0000 (19:34 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 31 May 2013 22:29:25 +0000 (08:29 +1000)
commit6b7dcc39e787ead8dcd9e5a88ffe30a6706eee33
treeb51f9766922a1050e376df6680bfae4cec82014ftree | snapshot
parent996949774af3cfb0711ec761e40caa1600086a94commit | diff
powerpc/pseries: Kill all prefetch streams on context switch

On context switch, we should have no prefetch streams leak from one
userspace process to another.  This frees up prefetch resources for the
next process.

Based on patch from Milton Miller.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/include/asm/ppc_asm.h diff | blob | history
arch/powerpc/kernel/entry_64.S diff | blob | history
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