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[Qemu-devel] [PULL 32/34] WHPX improve interrupt notification registrati
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 32/34] WHPX improve interrupt notification registration |
Date: |
Tue, 6 Mar 2018 14:19:28 +0100 |
From: "Justin Terry (VM) via Qemu-devel" <address@hidden>
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) <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
Signed-off-by: Justin Terry (VM) via Qemu-devel <address@hidden>
---
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 24387be..940bbe5 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;
}
--
1.8.3.1
- [Qemu-devel] [PULL 23/34] checkpatch: add check for `while` and `for`, (continued)
- [Qemu-devel] [PULL 23/34] checkpatch: add check for `while` and `for`, Paolo Bonzini, 2018/03/06
- [Qemu-devel] [PULL 24/34] Revert "build-sys: compile with -Og or -O1 when --enable-debug", Paolo Bonzini, 2018/03/06
- [Qemu-devel] [PULL 25/34] Fixing WHPX casing to match SDK, Paolo Bonzini, 2018/03/06
- [Qemu-devel] [PULL 27/34] Remove unnecessary WHPX __debugbreak();, Paolo Bonzini, 2018/03/06
- [Qemu-devel] [PULL 26/34] Resolves WHPX breaking changes in SDK 17095, Paolo Bonzini, 2018/03/06
- [Qemu-devel] [PULL 29/34] Fix WHPX typo in 'mmio', Paolo Bonzini, 2018/03/06
- [Qemu-devel] [PULL 30/34] Fix WHPX issue leaking tpr values, Paolo Bonzini, 2018/03/06
- [Qemu-devel] [PULL 34/34] use g_path_get_basename instead of basename, Paolo Bonzini, 2018/03/06
- [Qemu-devel] [PULL 31/34] WHXP Removes the use of WHvGetExitContextSize, Paolo Bonzini, 2018/03/06
- [Qemu-devel] [PULL 32/34] WHPX improve interrupt notification registration,
Paolo Bonzini <=
- [Qemu-devel] [PULL 33/34] balloon: Fix documentation of the --balloon parameter and deprecate it, Paolo Bonzini, 2018/03/06
- [Qemu-devel] [PULL 28/34] Fix WHPX additional lock acquisition, Paolo Bonzini, 2018/03/06
- Re: [Qemu-devel] [PULL 00/34] Misc patches for 2018-03-06, no-reply, 2018/03/06
- Re: [Qemu-devel] [PULL 00/34] Misc patches for 2018-03-06, Peter Maydell, 2018/03/06
- Re: [Qemu-devel] [PULL 00/34] Misc patches for 2018-03-06, Thomas Huth, 2018/03/07