mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

WHPX improve interrupt notification registration

Browse Source 
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) <juterry@microsoft.com>
Message-Id: <1519665216-1078-9-git-send-email-juterry@microsoft.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Justin Terry (VM) via Qemu-devel <qemu-devel@nongnu.org>
This commit is contained in:
Justin Terry (VM) via Qemu-devel 2018-02-26 09:13:36 -08:00 committed by Paolo Bonzini
parent e2940978fc
commit eb1fe944a8
1 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
target/i386/whpx-all.c
View File

@ -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;
}
reg_names[reg_count] = WHvX64RegisterDeliverabilityNotifications;
reg_count += 1;
}