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authorMarcelo Tosatti <mtosatti@redhat.com>2008-06-27 14:58:02 -0300
committerAvi Kivity <avi@qumranet.com>2008-10-15 10:13:57 +0200
commit5fdbf9765b7ba6a45100851154768de703d51e76 (patch)
treeec34ec9357575dc4190e5228a6eabfd5f81b66a5 /arch/x86/kvm/lapic.c
parentca60dfbb69afb549e33527cbf676e4daf8febfb5 (diff)
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KVM: x86: accessors for guest registers
As suggested by Avi, introduce accessors to read/write guest registers. This simplifies the ->cache_regs/->decache_regs interface, and improves register caching which is important for VMX, where the cost of vmcs_read/vmcs_write is significant. [avi: fix warnings] Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86/kvm/lapic.c')
-rw-r--r--arch/x86/kvm/lapic.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 73f43de69f6..9fde0ac2426 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -32,6 +32,7 @@
#include <asm/current.h>
#include <asm/apicdef.h>
#include <asm/atomic.h>
+#include "kvm_cache_regs.h"
#include "irq.h"
#define PRId64 "d"
@@ -558,8 +559,7 @@ static void __report_tpr_access(struct kvm_lapic *apic, bool write)
struct kvm_run *run = vcpu->run;
set_bit(KVM_REQ_REPORT_TPR_ACCESS, &vcpu->requests);
- kvm_x86_ops->cache_regs(vcpu);
- run->tpr_access.rip = vcpu->arch.rip;
+ run->tpr_access.rip = kvm_rip_read(vcpu);
run->tpr_access.is_write = write;
}