Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=29bd8a78082f2d7e2165a735f50b5c716ef3213b
Commit: 29bd8a78082f2d7e2165a735f50b5c716ef3213b
Parent: 2e3e5882dca3ab409aa8c9c96f47610b576719f8
Author: Avi Kivity <[EMAIL PROTECTED]>
AuthorDate: Mon Sep 10 17:27:03 2007 +0300
Committer: Avi Kivity <[EMAIL PROTECTED]>
CommitDate: Sat Oct 13 10:18:27 2007 +0200
KVM: VMX: Move vm entry failure handling to the exit handler
This will help moving the main loop to subarch independent code.
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
---
drivers/kvm/vmx.c | 19 ++++++++++---------
1 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index 57a6055..713f78a 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -43,6 +43,7 @@ struct vmcs {
struct vcpu_vmx {
struct kvm_vcpu vcpu;
int launched;
+ u8 fail;
struct kvm_msr_entry *guest_msrs;
struct kvm_msr_entry *host_msrs;
int nmsrs;
@@ -2099,6 +2100,14 @@ static int kvm_handle_exit(struct kvm_run *kvm_run,
struct kvm_vcpu *vcpu)
{
u32 vectoring_info = vmcs_read32(IDT_VECTORING_INFO_FIELD);
u32 exit_reason = vmcs_read32(VM_EXIT_REASON);
+ struct vcpu_vmx *vmx = to_vmx(vcpu);
+
+ if (unlikely(vmx->fail)) {
+ kvm_run->exit_reason = KVM_EXIT_FAIL_ENTRY;
+ kvm_run->fail_entry.hardware_entry_failure_reason
+ = vmcs_read32(VM_INSTRUCTION_ERROR);
+ return 0;
+ }
if ( (vectoring_info & VECTORING_INFO_VALID_MASK) &&
exit_reason != EXIT_REASON_EXCEPTION_NMI )
@@ -2208,7 +2217,6 @@ static void vmx_intr_assist(struct kvm_vcpu *vcpu)
static int vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
- u8 fail;
int r;
if (unlikely(vcpu->mp_state == VCPU_MP_STATE_SIPI_RECEIVED)) {
@@ -2352,7 +2360,7 @@ again:
"pop %%ecx; popa \n\t"
#endif
"setbe %0 \n\t"
- : "=q" (fail)
+ : "=q" (vmx->fail)
: "r"(vmx->launched), "d"((unsigned long)HOST_RSP),
"c"(vcpu),
[rax]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_RAX])),
@@ -2387,13 +2395,6 @@ again:
preempt_enable();
- if (unlikely(fail)) {
- kvm_run->exit_reason = KVM_EXIT_FAIL_ENTRY;
- kvm_run->fail_entry.hardware_entry_failure_reason
- = vmcs_read32(VM_INSTRUCTION_ERROR);
- r = 0;
- goto out;
- }
/*
* Profile KVM exit RIPs:
*/
-
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