Improves the usage of the InterruptNotification registration by skipping the
additional call to WHvSetVirtualProcessorRegisters if we have already
registered for the window exit.
Signed-off-by: Justin Terry (VM) <jute...@microsoft.com>
---
target/i386/whpx-all.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/target/i386/whpx-all.c b/target/i386/whpx-all.c
index 24387bebad..940bbe590d 100644
--- a/target/i386/whpx-all.c
+++ b/target/i386/whpx-all.c
@@ -756,12 +756,11 @@ static void whpx_vcpu_pre_run(CPUState *cpu)
}
/* Update the state of the interrupt delivery notification */
- if (cpu->interrupt_request & CPU_INTERRUPT_HARD) {
+ if (!vcpu->window_registered &&
+ cpu->interrupt_request & CPU_INTERRUPT_HARD) {
reg_values[reg_count].DeliverabilityNotifications.InterruptNotification
= 1;
- if (vcpu->window_registered != 1) {
- vcpu->window_registered = 1;
- }
+ vcpu->window_registered = 1;
reg_names[reg_count] = WHvX64RegisterDeliverabilityNotifications;
reg_count += 1;
}
--
2.13.6
