diff options
Diffstat (limited to 'arch/powerpc/kvm')
| -rw-r--r-- | arch/powerpc/kvm/book3s_hv_rmhandlers.S | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 4e8be4d9e114..31f914742fdd 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -969,17 +969,27 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_300) #ifdef CONFIG_KVM_XICS /* We are entering the guest on that thread, push VCPU to XIVE */ - ld r10, HSTATE_XIVE_TIMA_PHYS(r13) - cmpldi cr0, r10, 0 - beq no_xive ld r11, VCPU_XIVE_SAVED_STATE(r4) li r9, TM_QW1_OS + lwz r8, VCPU_XIVE_CAM_WORD(r4) + li r7, TM_QW1_OS + TM_WORD2 + mfmsr r0 + andi. r0, r0, MSR_DR /* in real mode? */ + beq 2f + ld r10, HSTATE_XIVE_TIMA_VIRT(r13) + cmpldi cr1, r10, 0 + beq cr1, no_xive + eieio + stdx r11,r9,r10 + stwx r8,r7,r10 + b 3f +2: ld r10, HSTATE_XIVE_TIMA_PHYS(r13) + cmpldi cr1, r10, 0 + beq cr1, no_xive eieio stdcix r11,r9,r10 - lwz r11, VCPU_XIVE_CAM_WORD(r4) - li r9, TM_QW1_OS + TM_WORD2 - stwcix r11,r9,r10 - li r9, 1 + stwcix r8,r7,r10 +3: li r9, 1 stb r9, VCPU_XIVE_PUSHED(r4) eieio @@ -998,12 +1008,16 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_300) * on, we mask it. */ lbz r0, VCPU_XIVE_ESC_ON(r4) - cmpwi r0,0 - beq 1f - ld r10, VCPU_XIVE_ESC_RADDR(r4) + cmpwi cr1, r0,0 + beq cr1, 1f li r9, XIVE_ESB_SET_PQ_01 + beq 4f /* in real mode? */ + ld r10, VCPU_XIVE_ESC_VADDR(r4) + ldx r0, r10, r9 + b 5f +4: ld r10, VCPU_XIVE_ESC_RADDR(r4) ldcix r0, r10, r9 - sync +5: sync /* We have a possible subtle race here: The escalation interrupt might * have fired and be on its way to the host queue while we mask it, |