[Xen-changelog] [xen-3.1-testing] x86 hvm: hvm_maybe_deassert_evtchn_irq() needs to be called early in

["Xen patchbot-3.1-testing" <patchbot-3.1-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1200049582 0
# Node ID 5a64f1bf9460c601bd3aa8089a3419535ec740ba
# Parent  f479c2af0825f79b5082779c7f09c4cdd204993c
x86 hvm: hvm_maybe_deassert_evtchn_irq() needs to be called early in
vmexit handling, before IO-APIC can be EOIed or unmasked and resample
the fake INTx line.
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
xen-unstable changeset:   16705:e4fd457a3dd5eebf059b49340bb7f3aea1239d8f
xen-unstable date:        Fri Jan 11 10:53:44 2008 +0000
---
 xen/arch/x86/hvm/svm/intr.c |    1 -
 xen/arch/x86/hvm/svm/svm.c  |    2 ++
 xen/arch/x86/hvm/vmx/intr.c |    2 --
 xen/arch/x86/hvm/vmx/vmx.c  |    2 ++
 4 files changed, 4 insertions(+), 3 deletions(-)

diff -r f479c2af0825 -r 5a64f1bf9460 xen/arch/x86/hvm/svm/intr.c
--- a/xen/arch/x86/hvm/svm/intr.c       Thu Jan 10 22:58:05 2008 +0000
+++ b/xen/arch/x86/hvm/svm/intr.c       Fri Jan 11 11:06:22 2008 +0000
@@ -125,7 +125,6 @@ asmlinkage void svm_intr_assist(void)
 
     /* Crank the handle on interrupt state and check for new interrrupts. */
     pt_update_irq(v);
-    hvm_maybe_deassert_evtchn_irq();
 
     do {
         if ( !cpu_has_pending_irq(v) )
diff -r f479c2af0825 -r 5a64f1bf9460 xen/arch/x86/hvm/svm/svm.c
--- a/xen/arch/x86/hvm/svm/svm.c        Thu Jan 10 22:58:05 2008 +0000
+++ b/xen/arch/x86/hvm/svm/svm.c        Fri Jan 11 11:06:22 2008 +0000
@@ -2451,6 +2451,8 @@ asmlinkage void svm_vmexit_handler(struc
     perfc_incra(svmexits, exit_reason);
     eip = vmcb->rip;
 
+    hvm_maybe_deassert_evtchn_irq();
+
     switch ( exit_reason )
     {
     case VMEXIT_INTR:
diff -r f479c2af0825 -r 5a64f1bf9460 xen/arch/x86/hvm/vmx/intr.c
--- a/xen/arch/x86/hvm/vmx/intr.c       Thu Jan 10 22:58:05 2008 +0000
+++ b/xen/arch/x86/hvm/vmx/intr.c       Fri Jan 11 11:06:22 2008 +0000
@@ -110,8 +110,6 @@ asmlinkage void vmx_intr_assist(void)
 
     pt_update_irq(v);
 
-    hvm_maybe_deassert_evtchn_irq();
-
     update_tpr_threshold(vcpu_vlapic(v));
 
     do {
diff -r f479c2af0825 -r 5a64f1bf9460 xen/arch/x86/hvm/vmx/vmx.c
--- a/xen/arch/x86/hvm/vmx/vmx.c        Thu Jan 10 22:58:05 2008 +0000
+++ b/xen/arch/x86/hvm/vmx/vmx.c        Fri Jan 11 11:06:22 2008 +0000
@@ -2912,6 +2912,8 @@ asmlinkage void vmx_vmexit_handler(struc
     if ( unlikely(exit_reason & VMX_EXIT_REASONS_FAILED_VMENTRY) )
         return vmx_failed_vmentry(exit_reason, regs);
 
+    hvm_maybe_deassert_evtchn_irq();
+
     switch ( exit_reason )
     {
     case EXIT_REASON_EXCEPTION_NMI:

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