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(parent: 8e5c290) | patch
powerpc/kvm: Fix VSID usage in 64-bit "PR" KVM
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 23 Mar 2012 00:21:14 +0000 (11:21 +1100)
committerAlexander Graf <agraf@suse.de>
Wed, 16 May 2012 13:02:11 +0000 (15:02 +0200)
commitcd0f142b44227ec86183143fa235fa6da96034c6
treebc95604d39cdefb135adc60c03fabffda4557604tree | snapshot
parent8e5c290a3bd9d5bc9a63e1cb8a259b92aae01b10commit | diff
powerpc/kvm: Fix VSID usage in 64-bit "PR" KVM

The code forgot to scramble the VSIDs the way we normally do
and was basically using the "proto VSID" directly with the MMU.

This means that in practice, KVM used random VSIDs that could
collide with segments used by other user space programs.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[agraf: simplify ppc32 case]
Signed-off-by: Alexander Graf <agraf@suse.de>
arch/powerpc/include/asm/kvm_book3s.h diff | blob | history
arch/powerpc/kvm/book3s_64_mmu_host.c diff | blob | history
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