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| author | Alexander Graf <agraf@suse.de> | 2014-04-24 12:48:19 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-05-30 14:26:18 +0200 |
| commit | 740f834eb2505e1883b54cfc1644af80834ab6b6 (patch) | |
| tree | b79bf158e2a93d54b2978c2582570c5bcf7e5144 /arch/powerpc | |
| parent | KVM: PPC: BOOK3S: PR: Fix WARN_ON with debug options on (diff) | |
| download | linux-740f834eb2505e1883b54cfc1644af80834ab6b6.tar.xz linux-740f834eb2505e1883b54cfc1644af80834ab6b6.zip | |
KVM: PPC: Book3S: PR: Fix C/R bit setting
Commit 9308ab8e2d made C/R HTAB updates go byte-wise into the target HTAB.
However, it didn't update the guest's copy of the HTAB, but instead the
host local copy of it.
Write to the guest's HTAB instead.
Signed-off-by: Alexander Graf <agraf@suse.de>
CC: Paul Mackerras <paulus@samba.org>
Acked-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kvm/book3s_32_mmu.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kvm/book3s_64_mmu.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/kvm/book3s_32_mmu.c b/arch/powerpc/kvm/book3s_32_mmu.c index 76a64ce6a5b6..60fc3f4de25f 100644 --- a/arch/powerpc/kvm/book3s_32_mmu.c +++ b/arch/powerpc/kvm/book3s_32_mmu.c @@ -270,7 +270,7 @@ static int kvmppc_mmu_book3s_32_xlate_pte(struct kvm_vcpu *vcpu, gva_t eaddr, page */ if (found) { u32 pte_r = pteg[i+1]; - char __user *addr = (char __user *) &pteg[i+1]; + char __user *addr = (char __user *) (ptegp + (i+1) * sizeof(u32)); /* * Use single-byte writes to update the HPTE, to diff --git a/arch/powerpc/kvm/book3s_64_mmu.c b/arch/powerpc/kvm/book3s_64_mmu.c index 8231b83c493b..171e5caf2b88 100644 --- a/arch/powerpc/kvm/book3s_64_mmu.c +++ b/arch/powerpc/kvm/book3s_64_mmu.c @@ -342,14 +342,14 @@ do_second: * non-PAPR platforms such as mac99, and this is * what real hardware does. */ - char __user *addr = (char __user *) &pteg[i+1]; + char __user *addr = (char __user *) (ptegp + (i + 1) * sizeof(u64)); r |= HPTE_R_R; put_user(r >> 8, addr + 6); } if (iswrite && gpte->may_write && !(r & HPTE_R_C)) { /* Set the dirty flag */ /* Use a single byte write */ - char __user *addr = (char __user *) &pteg[i+1]; + char __user *addr = (char __user *) (ptegp + (i + 1) * sizeof(u64)); r |= HPTE_R_C; put_user(r, addr + 7); } |