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authorGleb Natapov2010-08-02 12:47:51 +0300
committerAvi Kivity2010-10-24 10:50:29 +0200
commit4fc40f076f4fa289dd546990b597351c9cdad985 (patch)
tree589e394aee1efb859a398438ced6326a5df3f97e /arch/x86/include/asm
parent9928ff608b1b6ba10fafde85f57970a83a181331 (diff)
KVM: x86 emulator: check io permissions only once for string pio
Do not recheck io permission on every iteration. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r--arch/x86/include/asm/kvm_emulate.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index 0f901c16cf1c..8762411fe9bb 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -224,6 +224,7 @@ struct x86_emulate_ctxt {
int interruptibility;
bool restart; /* restart string instruction after writeback */
+ bool perm_ok; /* do not check permissions if true */
int exception; /* exception that happens during emulation or -1 */
u32 error_code; /* error code for exception */