diff options
Diffstat (limited to 'arch/x86/kvm/emulate.c')
| -rw-r--r-- | arch/x86/kvm/emulate.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index b46fa37..a2d343c 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -491,6 +491,7 @@ static unsigned seg_override(struct x86_emulate_ctxt *ctxt, static int linearize(struct x86_emulate_ctxt *ctxt, struct segmented_address addr, + unsigned size, bool write, ulong *linear) { struct decode_cache *c = &ctxt->decode; @@ -550,7 +551,7 @@ static int segmented_read_std(struct x86_emulate_ctxt *ctxt, int rc; ulong linear; - rc = linearize(ctxt, addr, &linear); + rc = linearize(ctxt, addr, size, false, &linear); if (rc != X86EMUL_CONTINUE) return rc; return ctxt->ops->read_std(linear, data, size, ctxt->vcpu, @@ -973,7 +974,7 @@ static int segmented_read(struct x86_emulate_ctxt *ctxt, int rc; ulong linear; - rc = linearize(ctxt, addr, &linear); + rc = linearize(ctxt, addr, size, false, &linear); if (rc != X86EMUL_CONTINUE) return rc; return read_emulated(ctxt, ctxt->ops, linear, data, size); @@ -987,7 +988,7 @@ static int segmented_write(struct x86_emulate_ctxt *ctxt, int rc; ulong linear; - rc = linearize(ctxt, addr, &linear); + rc = linearize(ctxt, addr, size, true, &linear); if (rc != X86EMUL_CONTINUE) return rc; return ctxt->ops->write_emulated(linear, data, size, @@ -1002,7 +1003,7 @@ static int segmented_cmpxchg(struct x86_emulate_ctxt *ctxt, int rc; ulong linear; - rc = linearize(ctxt, addr, &linear); + rc = linearize(ctxt, addr, size, true, &linear); if (rc != X86EMUL_CONTINUE) return rc; return ctxt->ops->cmpxchg_emulated(linear, orig_data, data, @@ -2509,7 +2510,7 @@ static int em_invlpg(struct x86_emulate_ctxt *ctxt) int rc; ulong linear; - rc = linearize(ctxt, c->src.addr.mem, &linear); + rc = linearize(ctxt, c->src.addr.mem, 1, false, &linear); if (rc == X86EMUL_CONTINUE) emulate_invlpg(ctxt->vcpu, linear); /* Disable writeback. */ |