diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_hv_interrupts.S')
| -rw-r--r-- | arch/powerpc/kvm/book3s_hv_interrupts.S | 39 |
1 files changed, 1 insertions, 38 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_interrupts.S b/arch/powerpc/kvm/book3s_hv_interrupts.S index 731be74..36540a9 100644 --- a/arch/powerpc/kvm/book3s_hv_interrupts.S +++ b/arch/powerpc/kvm/book3s_hv_interrupts.S @@ -52,10 +52,8 @@ _GLOBAL(__kvmppc_vcore_entry) std r3, _CCR(r1) /* Save host DSCR */ -BEGIN_FTR_SECTION mfspr r3, SPRN_DSCR std r3, HSTATE_DSCR(r13) -END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206) BEGIN_FTR_SECTION /* Save host DABR */ @@ -84,11 +82,9 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) mfspr r7, SPRN_MMCR0 /* save MMCR0 */ mtspr SPRN_MMCR0, r3 /* freeze all counters, disable interrupts */ mfspr r6, SPRN_MMCRA -BEGIN_FTR_SECTION - /* On P7, clear MMCRA in order to disable SDAR updates */ + /* Clear MMCRA in order to disable SDAR updates */ li r5, 0 mtspr SPRN_MMCRA, r5 -END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206) isync ld r3, PACALPPACAPTR(r13) /* is the host using the PMU? */ lbz r5, LPPACA_PMCINUSE(r3) @@ -113,20 +109,12 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) mfspr r7, SPRN_PMC4 mfspr r8, SPRN_PMC5 mfspr r9, SPRN_PMC6 -BEGIN_FTR_SECTION - mfspr r10, SPRN_PMC7 - mfspr r11, SPRN_PMC8 -END_FTR_SECTION_IFSET(CPU_FTR_ARCH_201) stw r3, HSTATE_PMC(r13) stw r5, HSTATE_PMC + 4(r13) stw r6, HSTATE_PMC + 8(r13) stw r7, HSTATE_PMC + 12(r13) stw r8, HSTATE_PMC + 16(r13) stw r9, HSTATE_PMC + 20(r13) -BEGIN_FTR_SECTION - stw r10, HSTATE_PMC + 24(r13) - stw r11, HSTATE_PMC + 28(r13) -END_FTR_SECTION_IFSET(CPU_FTR_ARCH_201) 31: /* @@ -140,31 +128,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_201) add r8,r8,r7 std r8,HSTATE_DECEXP(r13) -#ifdef CONFIG_SMP - /* - * On PPC970, if the guest vcpu has an external interrupt pending, - * send ourselves an IPI so as to interrupt the guest once it - * enables interrupts. (It must have interrupts disabled, - * otherwise we would already have delivered the interrupt.) - * - * XXX If this is a UP build, smp_send_reschedule is not available, - * so the interrupt will be delayed until the next time the vcpu - * enters the guest with interrupts enabled. - */ -BEGIN_FTR_SECTION - ld r4, HSTATE_KVM_VCPU(r13) - ld r0, VCPU_PENDING_EXC(r4) - li r7, (1 << BOOK3S_IRQPRIO_EXTERNAL) - oris r7, r7, (1 << BOOK3S_IRQPRIO_EXTERNAL_LEVEL)@h - and. r0, r0, r7 - beq 32f - lhz r3, PACAPACAINDEX(r13) - bl smp_send_reschedule - nop -32: -END_FTR_SECTION_IFSET(CPU_FTR_ARCH_201) -#endif /* CONFIG_SMP */ - /* Jump to partition switch code */ bl kvmppc_hv_entry_trampoline nop |
