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(parent: c3db768) | 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)
commit3bf54bd78e8a8a186fee9805425d0f5cb233044e
treeb51f9766922a1050e376df6680bfae4cec82014ftree | snapshot
parentc3db76890639140631d8cd7c41d55793aa2af382commit | 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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