diff options
Diffstat (limited to 'arch/powerpc/kvm')
| -rw-r--r-- | arch/powerpc/kvm/book3s_64_interrupts.S | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/powerpc/kvm/book3s_64_interrupts.S b/arch/powerpc/kvm/book3s_64_interrupts.S index 66e3b1179b3..3c0ba551307 100644 --- a/arch/powerpc/kvm/book3s_64_interrupts.S +++ b/arch/powerpc/kvm/book3s_64_interrupts.S @@ -221,15 +221,8 @@ no_dcbz32_off: mflr r5 std r5, VCPU_LR(r7) - /* XXX convert to safe function call */ - /* Restore host msr -> SRR1 */ ld r6, VCPU_HOST_MSR(r7) - mtsrr1 r6 - - /* Restore host IP -> SRR0 */ - ld r5, VCPU_HOST_RETIP(r7) - mtsrr0 r5 /* * For some interrupts, we need to call the real Linux @@ -246,8 +239,9 @@ no_dcbz32_off: cmpwi r12, BOOK3S_INTERRUPT_DECREMENTER beq call_linux_handler - /* Back to Interruptable Mode! (goto kvm_return_point) */ - RFI + /* Back to EE=1 */ + mtmsr r6 + b kvm_return_point call_linux_handler: @@ -260,10 +254,16 @@ call_linux_handler: * interrupt handler! * * R3 still contains the exit code, - * R6 VCPU_HOST_RETIP and - * R7 VCPU_HOST_MSR + * R5 VCPU_HOST_RETIP and + * R6 VCPU_HOST_MSR */ + /* Restore host IP -> SRR0 */ + ld r5, VCPU_HOST_RETIP(r7) + + /* XXX Better move to a safe function? + * What if we get an HTAB flush in between mtsrr0 and mtsrr1? */ + mtlr r12 ld r4, VCPU_TRAMPOLINE_LOWMEM(r7) |