diff options
| -rw-r--r-- | arch/powerpc/include/asm/kvm_book3s.h | 9 | ||||
| -rw-r--r-- | arch/powerpc/kvm/book3s.c | 46 |
2 files changed, 29 insertions, 26 deletions
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index e6ea974..14d0262 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -99,10 +99,11 @@ struct kvmppc_vcpu_book3s { #define CONTEXT_GUEST 1 #define CONTEXT_GUEST_END 2 -#define VSID_REAL 0xfffffffffff00000 -#define VSID_REAL_DR 0xffffffffffe00000 -#define VSID_REAL_IR 0xffffffffffd00000 -#define VSID_BAT 0xffffffffffc00000 +#define VSID_REAL_DR 0x7ffffffffff00000 +#define VSID_REAL_IR 0x7fffffffffe00000 +#define VSID_SPLIT_MASK 0x7fffffffffe00000 +#define VSID_REAL 0x7fffffffffc00000 +#define VSID_BAT 0x7fffffffffb00000 #define VSID_PR 0x8000000000000000 extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask); diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index 8cab902..ff5a420 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -134,6 +134,14 @@ void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr) if (((vcpu->arch.msr & (MSR_IR|MSR_DR)) != (old_msr & (MSR_IR|MSR_DR))) || (vcpu->arch.msr & MSR_PR) != (old_msr & MSR_PR)) { + bool dr = (vcpu->arch.msr & MSR_DR) ? true : false; + bool ir = (vcpu->arch.msr & MSR_IR) ? true : false; + + /* Flush split mode PTEs */ + if (dr != ir) + kvmppc_mmu_pte_vflush(vcpu, VSID_SPLIT_MASK, + VSID_SPLIT_MASK); + kvmppc_mmu_flush_segments(vcpu); kvmppc_mmu_map_segment(vcpu, vcpu->arch.pc); } @@ -396,15 +404,7 @@ static int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, bool data, } else { pte->eaddr = eaddr; pte->raddr = eaddr & 0xffffffff; - pte->vpage = eaddr >> 12; - switch (vcpu->arch.msr & (MSR_DR|MSR_IR)) { - case 0: - pte->vpage |= VSID_REAL; - case MSR_DR: - pte->vpage |= VSID_REAL_DR; - case MSR_IR: - pte->vpage |= VSID_REAL_IR; - } + pte->vpage = VSID_REAL | eaddr >> 12; pte->may_read = true; pte->may_write = true; pte->may_execute = true; @@ -513,12 +513,10 @@ int kvmppc_handle_pagefault(struct kvm_run *run, struct kvm_vcpu *vcpu, int page_found = 0; struct kvmppc_pte pte; bool is_mmio = false; + bool dr = (vcpu->arch.msr & MSR_DR) ? true : false; + bool ir = (vcpu->arch.msr & MSR_IR) ? true : false; - if ( vec == BOOK3S_INTERRUPT_DATA_STORAGE ) { - relocated = (vcpu->arch.msr & MSR_DR); - } else { - relocated = (vcpu->arch.msr & MSR_IR); - } + relocated = data ? dr : ir; /* Resolve real address if translation turned on */ if (relocated) { @@ -530,14 +528,18 @@ int kvmppc_handle_pagefault(struct kvm_run *run, struct kvm_vcpu *vcpu, pte.raddr = eaddr & 0xffffffff; pte.eaddr = eaddr; pte.vpage = eaddr >> 12; - switch (vcpu->arch.msr & (MSR_DR|MSR_IR)) { - case 0: - pte.vpage |= VSID_REAL; - case MSR_DR: - pte.vpage |= VSID_REAL_DR; - case MSR_IR: - pte.vpage |= VSID_REAL_IR; - } + } + + switch (vcpu->arch.msr & (MSR_DR|MSR_IR)) { + case 0: + pte.vpage |= VSID_REAL; + break; + case MSR_DR: + pte.vpage |= VSID_REAL_DR; + break; + case MSR_IR: + pte.vpage |= VSID_REAL_IR; + break; } if (vcpu->arch.mmu.is_dcbz32(vcpu) && |