提交 40e19b51 编写于 作者: A Avi Kivity

KVM: SVM: Get rid of x86_intercept_map::valid

By reserving 0 as an invalid x86_intercept_stage, we no longer
need to store a valid flag in x86_intercept_map.
Signed-off-by: NAvi Kivity <avi@redhat.com>
上级 5ef39c71
......@@ -304,6 +304,7 @@ struct x86_emulate_ctxt {
X86EMUL_MODE_PROT64)
enum x86_intercept_stage {
X86_ICTP_NONE = 0, /* Allow zero-init to not match anything */
X86_ICPT_PRE_EXCEPT,
X86_ICPT_POST_EXCEPT,
X86_ICPT_POST_MEMACCESS,
......
......@@ -3959,19 +3959,15 @@ static void svm_fpu_deactivate(struct kvm_vcpu *vcpu)
}
#define PRE_EX(exit) { .exit_code = (exit), \
.stage = X86_ICPT_PRE_EXCEPT, \
.valid = true }
.stage = X86_ICPT_PRE_EXCEPT, }
#define POST_EX(exit) { .exit_code = (exit), \
.stage = X86_ICPT_POST_EXCEPT, \
.valid = true }
.stage = X86_ICPT_POST_EXCEPT, }
#define POST_MEM(exit) { .exit_code = (exit), \
.stage = X86_ICPT_POST_MEMACCESS, \
.valid = true }
.stage = X86_ICPT_POST_MEMACCESS, }
static struct __x86_intercept {
u32 exit_code;
enum x86_intercept_stage stage;
bool valid;
} x86_intercept_map[] = {
[x86_intercept_cr_read] = POST_EX(SVM_EXIT_READ_CR0),
[x86_intercept_cr_write] = POST_EX(SVM_EXIT_WRITE_CR0),
......@@ -4039,7 +4035,7 @@ static int svm_check_intercept(struct kvm_vcpu *vcpu,
icpt_info = x86_intercept_map[info->intercept];
if (!icpt_info.valid || stage != icpt_info.stage)
if (stage != icpt_info.stage)
goto out;
switch (icpt_info.exit_code) {
......
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