diff options
| author | Avi Kivity <avi@redhat.com> | 2011-04-20 16:47:13 +0400 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-05-22 16:39:18 +0400 |
| commit | d6aa10003b0cded5a538af0d198460e89dc2d6d2 (patch) | |
| tree | 1a98dd6a65d5c9deaa83616b3a74fdcff5ca00fd | |
| parent | 6c3287f7c5050076b554145f11bdba058de287d1 (diff) | |
| download | linux-d6aa10003b0cded5a538af0d198460e89dc2d6d2.tar.xz | |
KVM: x86 emulator: add ->fix_hypercall() callback
Artificial, but needed to remove direct calls to KVM.
Signed-off-by: Avi Kivity <avi@redhat.com>
| -rw-r--r-- | arch/x86/include/asm/kvm_emulate.h | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/emulate.c | 4 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 6 |
4 files changed, 8 insertions, 5 deletions
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h index d30f1e9b7544..d30840ddd2f3 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -187,6 +187,7 @@ struct x86_emulate_ops { int (*set_msr)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 data); int (*get_msr)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 *pdata); void (*halt)(struct x86_emulate_ctxt *ctxt); + int (*fix_hypercall)(struct x86_emulate_ctxt *ctxt); void (*get_fpu)(struct x86_emulate_ctxt *ctxt); /* disables preempt */ void (*put_fpu)(struct x86_emulate_ctxt *ctxt); /* reenables preempt */ int (*intercept)(struct x86_emulate_ctxt *ctxt, diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index d957d0d06562..6cfc1ab2cdd6 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -752,8 +752,6 @@ gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva, int kvm_emulate_hypercall(struct kvm_vcpu *vcpu); -int kvm_fix_hypercall(struct kvm_vcpu *vcpu); - int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code, void *insn, int insn_len); void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva); diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 210df51b76a4..64e7373d3b2b 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -4025,7 +4025,7 @@ twobyte_insn: if (c->modrm_mod != 3 || c->modrm_rm != 1) goto cannot_emulate; - rc = kvm_fix_hypercall(ctxt->vcpu); + rc = ctxt->ops->fix_hypercall(ctxt); if (rc != X86EMUL_CONTINUE) goto done; @@ -4048,7 +4048,7 @@ twobyte_insn: if (c->modrm_mod == 3) { switch (c->modrm_rm) { case 1: - rc = kvm_fix_hypercall(ctxt->vcpu); + rc = ctxt->ops->fix_hypercall(ctxt); break; default: goto cannot_emulate; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 2246cf1a4ee0..4a2b40e25021 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -152,6 +152,8 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { u64 __read_mostly host_xcr0; +int emulator_fix_hypercall(struct x86_emulate_ctxt *ctxt); + static inline void kvm_async_pf_hash_reset(struct kvm_vcpu *vcpu) { int i; @@ -4406,6 +4408,7 @@ static struct x86_emulate_ops emulate_ops = { .set_msr = emulator_set_msr, .get_msr = emulator_get_msr, .halt = emulator_halt, + .fix_hypercall = emulator_fix_hypercall, .get_fpu = emulator_get_fpu, .put_fpu = emulator_put_fpu, .intercept = emulator_intercept, @@ -5042,8 +5045,9 @@ out: } EXPORT_SYMBOL_GPL(kvm_emulate_hypercall); -int kvm_fix_hypercall(struct kvm_vcpu *vcpu) +int emulator_fix_hypercall(struct x86_emulate_ctxt *ctxt) { + struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); char instruction[3]; unsigned long rip = kvm_rip_read(vcpu); |