[v3,2/8] KVM: selftests: x86: sync_regs_test: Get regs structure before modifying it

Message ID 20240208204844.119326-3-thuth@redhat.com
State New
Headers
Series Use TAP in some more x86 KVM selftests |

Commit Message

Thomas Huth Feb. 8, 2024, 8:48 p.m. UTC
  The regs structure just accidentally contains the right values
from the previous test in the spot where we want to change rbx.
It's cleaner if we properly initialize the structure here before
using it.

Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 tools/testing/selftests/kvm/x86_64/sync_regs_test.c | 1 +
 1 file changed, 1 insertion(+)
  

Patch

diff --git a/tools/testing/selftests/kvm/x86_64/sync_regs_test.c b/tools/testing/selftests/kvm/x86_64/sync_regs_test.c
index 8c3898cf79b31..1cd19dfa0046c 100644
--- a/tools/testing/selftests/kvm/x86_64/sync_regs_test.c
+++ b/tools/testing/selftests/kvm/x86_64/sync_regs_test.c
@@ -315,6 +315,7 @@  int main(int argc, char *argv[])
 	run->kvm_valid_regs = 0;
 	run->kvm_dirty_regs = 0;
 	run->s.regs.regs.rbx = 0xAAAA;
+	vcpu_regs_get(vcpu, &regs);
 	regs.rbx = 0xBAC0;
 	vcpu_regs_set(vcpu, &regs);
 	vcpu_run(vcpu);