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authorAlexander Graf <agraf@suse.de>2009-11-30 03:02:02 (GMT)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-12-08 05:02:50 (GMT)
commite15a113700324f7fdcee95589875daed2b98a2fe (patch)
treef2a528fb83219a748c86d0c03efd54c6980165ab /arch/powerpc/kvm/book3s_64_mmu.c
parentc0cefebc0b6ae1bc4c92672223a54e1ee96ea7f0 (diff)
downloadlinux-fsl-qoriq-e15a113700324f7fdcee95589875daed2b98a2fe.tar.xz
powerpc/kvm: Sync guest visible MMU state
Currently userspace has no chance to find out which virtual address space we're in and resolve addresses. While that is a big problem for migration, it's also unpleasent when debugging, as gdb and the monitor don't work on virtual addresses. This patch exports enough of the MMU segment state to userspace to make debugging work and thus also includes the groundwork for migration. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kvm/book3s_64_mmu.c')
-rw-r--r--arch/powerpc/kvm/book3s_64_mmu.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_64_mmu.c b/arch/powerpc/kvm/book3s_64_mmu.c
index a31f9c6..5598f88 100644
--- a/arch/powerpc/kvm/book3s_64_mmu.c
+++ b/arch/powerpc/kvm/book3s_64_mmu.c
@@ -473,4 +473,6 @@ void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu)
mmu->esid_to_vsid = kvmppc_mmu_book3s_64_esid_to_vsid;
mmu->ea_to_vp = kvmppc_mmu_book3s_64_ea_to_vp;
mmu->is_dcbz32 = kvmppc_mmu_book3s_64_is_dcbz32;
+
+ vcpu->arch.hflags |= BOOK3S_HFLAG_SLB;
}