diff options
Diffstat (limited to '')
-rw-r--r-- | arch/powerpc/kvm/book3s_64_entry.S | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/arch/powerpc/kvm/book3s_64_entry.S b/arch/powerpc/kvm/book3s_64_entry.S index 983b8c18bc31..6c2b1d17cb63 100644 --- a/arch/powerpc/kvm/book3s_64_entry.S +++ b/arch/powerpc/kvm/book3s_64_entry.S @@ -124,7 +124,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) /* * "Skip" interrupts are part of a trick KVM uses a with hash guests to load - * the faulting instruction in guest memory from the the hypervisor without + * the faulting instruction in guest memory from the hypervisor without * walking page tables. * * When the guest takes a fault that requires the hypervisor to load the @@ -315,7 +315,7 @@ kvmppc_p9_exit_interrupt: reg = reg + 1 .endr - ld r2,PACATOC(r13) + LOAD_PACA_TOC() mflr r4 std r4,VCPU_LR(r3) @@ -374,11 +374,16 @@ END_MMU_FTR_SECTION_IFCLR(MMU_FTR_TYPE_RADIX) BEGIN_FTR_SECTION mtspr SPRN_DAWRX1,r10 END_FTR_SECTION_IFSET(CPU_FTR_DAWR1) - mtspr SPRN_PID,r10 /* - * Switch to host MMU mode + * Switch to host MMU mode (don't have the real host PID but we aren't + * going back to userspace). */ + hwsync + isync + + mtspr SPRN_PID,r10 + ld r10, HSTATE_KVM_VCPU(r13) ld r10, VCPU_KVM(r10) lwz r10, KVM_HOST_LPID(r10) @@ -389,6 +394,8 @@ END_FTR_SECTION_IFSET(CPU_FTR_DAWR1) ld r10, KVM_HOST_LPCR(r10) mtspr SPRN_LPCR,r10 + isync + /* * Set GUEST_MODE_NONE so the handler won't branch to KVM, and clear * MSR_RI in r12 ([H]SRR1) so the handler won't try to return. @@ -407,10 +414,16 @@ END_FTR_SECTION_IFSET(CPU_FTR_DAWR1) */ ld r10,HSTATE_SCRATCH0(r13) cmpwi r10,BOOK3S_INTERRUPT_MACHINE_CHECK - beq machine_check_common + beq .Lcall_machine_check_common cmpwi r10,BOOK3S_INTERRUPT_SYSTEM_RESET - beq system_reset_common + beq .Lcall_system_reset_common b . + +.Lcall_machine_check_common: + b machine_check_common + +.Lcall_system_reset_common: + b system_reset_common #endif |