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authorAlexander Graf <agraf@suse.de>2014-04-17 12:53:13 +0200
committerAlexander Graf <agraf@suse.de>2014-05-30 14:26:17 +0200
commit07fec1c2e75ef2f55d7a211414b0d63e185e84f0 (patch)
treef71b012a7ffd10655f37d78a8c9ea39a9b31a07d /arch/powerpc/kvm
parentKVM: vmx: DR7 masking on task switch emulation is wrong (diff)
downloadlinux-dev-07fec1c2e75ef2f55d7a211414b0d63e185e84f0.tar.xz
linux-dev-07fec1c2e75ef2f55d7a211414b0d63e185e84f0.zip
KVM: PPC: E500: Ignore L1CSR1_ICFI,ICLFR
The L1 instruction cache control register contains bits that indicate that we're still handling a request. Mask those out when we set the SPR so that a read doesn't assume we're still doing something. Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm')
-rw-r--r--arch/powerpc/kvm/e500_emulate.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c
index 89b7f821f6c4..95d886f461fb 100644
--- a/arch/powerpc/kvm/e500_emulate.c
+++ b/arch/powerpc/kvm/e500_emulate.c
@@ -222,6 +222,7 @@ int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn, ulong spr_va
break;
case SPRN_L1CSR1:
vcpu_e500->l1csr1 = spr_val;
+ vcpu_e500->l1csr1 &= ~(L1CSR1_ICFI | L1CSR1_ICLFR);
break;
case SPRN_HID0:
vcpu_e500->hid0 = spr_val;