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i386/kvm: initialize struct at full before ioctl call 

Not the whole structure is initialized before passing it to the KVM.
Reduce the number of Valgrind reports.

Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-Id: <1564502498-805893-4-git-send-email-andrey.shinkevich@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Andrey Shinkevich 2019-07-30 19:01:38 +03:00 committed by Paolo Bonzini
parent f673174e3f
commit 1f670a95b3
1 changed files with 3 additions and 0 deletions
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3
target/i386/kvm.c
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@ -193,6 +193,7 @@ static int kvm_get_tsc(CPUState *cs)
return 0; return 0;
} }
memset(&msr_data, 0, sizeof(msr_data));
msr_data.info.nmsrs = 1; msr_data.info.nmsrs = 1;
msr_data.entries[0].index = MSR_IA32_TSC; msr_data.entries[0].index = MSR_IA32_TSC;
env->tsc_valid = !runstate_is_running(); env->tsc_valid = !runstate_is_running();
@ -1709,6 +1710,7 @@ int kvm_arch_init_vcpu(CPUState *cs)
if (has_xsave) { if (has_xsave) {
env->xsave_buf = qemu_memalign(4096, sizeof(struct kvm_xsave)); env->xsave_buf = qemu_memalign(4096, sizeof(struct kvm_xsave));
memset(env->xsave_buf, 0, sizeof(struct kvm_xsave));
} }
max_nested_state_len = kvm_max_nested_state_length(); max_nested_state_len = kvm_max_nested_state_length();
@ -3491,6 +3493,7 @@ static int kvm_put_debugregs(X86CPU *cpu)
return 0; return 0;
} }
memset(&dbgregs, 0, sizeof(dbgregs));
for (i = 0; i < 4; i++) { for (i = 0; i < 4; i++) {
dbgregs.db[i] = env->dr[i]; dbgregs.db[i] = env->dr[i];
} }