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| author | Andre Przywara <andre.przywara@amd.com> | 2010-12-21 11:12:07 +0100 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-01-12 11:31:07 +0200 |
| commit | dc25e89e07d5ef31c476117d2c76b34dbb22196c (patch) | |
| tree | 9fef452c4bd0704b9d74512a9a58dc5d5b742d53 /arch/x86/include/asm/kvm_emulate.h | |
| parent | df4f3108562dc6f6ae6648f2698df7f4c9acf52d (diff) | |
| download | blackbird-obmc-linux-dc25e89e07d5ef31c476117d2c76b34dbb22196c.tar.gz blackbird-obmc-linux-dc25e89e07d5ef31c476117d2c76b34dbb22196c.zip | |
KVM: SVM: copy instruction bytes from VMCB
In case of a nested page fault or an intercepted #PF newer SVM
implementations provide a copy of the faulting instruction bytes
in the VMCB.
Use these bytes to feed the instruction emulator and avoid the costly
guest instruction fetch in this case.
Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/kvm_emulate.h')
| -rw-r--r-- | arch/x86/include/asm/kvm_emulate.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h index bf70ecea3974..8e37deb1eb38 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -265,7 +265,7 @@ struct x86_emulate_ctxt { #define X86EMUL_MODE_HOST X86EMUL_MODE_PROT64 #endif -int x86_decode_insn(struct x86_emulate_ctxt *ctxt); +int x86_decode_insn(struct x86_emulate_ctxt *ctxt, void *insn, int insn_len); #define EMULATION_FAILED -1 #define EMULATION_OK 0 #define EMULATION_RESTART 1 |
