diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2012-02-08 13:34:41 (GMT) |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2012-03-08 12:10:29 (GMT) |
| commit | 4cee4798a304ee1ea579423ca048f16ceaccdfb5 (patch) | |
| tree | 1088f534433daf9e9f705453038ced11c059570e /arch/x86/include/asm/kvm_emulate.h | |
| parent | ea5e97e8bf1d56a4d9461c39e082b9c31a7be4ff (diff) | |
| download | linux-fsl-qoriq-4cee4798a304ee1ea579423ca048f16ceaccdfb5.tar.xz | |
KVM: x86 emulator: Allow PM/VM86 switch during task switch
Task switches can switch between Protected Mode and VM86. The current
mode must be updated during the task switch emulation so that the new
segment selectors are interpreted correctly.
In order to let privilege checks succeed, rflags needs to be updated in
the vcpu struct as this causes a CPL update.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/kvm_emulate.h')
| -rw-r--r-- | arch/x86/include/asm/kvm_emulate.h | 1 |
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 df437b6..c222e1a 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -176,6 +176,7 @@ struct x86_emulate_ops { void (*set_idt)(struct x86_emulate_ctxt *ctxt, struct desc_ptr *dt); ulong (*get_cr)(struct x86_emulate_ctxt *ctxt, int cr); int (*set_cr)(struct x86_emulate_ctxt *ctxt, int cr, ulong val); + void (*set_rflags)(struct x86_emulate_ctxt *ctxt, ulong val); int (*cpl)(struct x86_emulate_ctxt *ctxt); int (*get_dr)(struct x86_emulate_ctxt *ctxt, int dr, ulong *dest); int (*set_dr)(struct x86_emulate_ctxt *ctxt, int dr, ulong value); |