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Accepting request 17919 from Virtualization

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Copy from Virtualization/xen based on submit request 17919 from user charlesa

OBS-URL: https://build.opensuse.org/request/show/17919
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/xen?expand=0&rev=77
This commit is contained in:
OBS User autobuild
2009-08-17 12:57:35 +00:00
committed by Git OBS Bridge
parent b4c780fd71
commit 12bd2215f3
7 changed files with 101 additions and 9 deletions
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29
hv_win7_eoi_bug.patch Normal file
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@@ -0,0 +1,29 @@
Index: xen-3.4.1-testing/xen/arch/x86/hvm/hyperv/hv_intercept.c
===================================================================
--- xen-3.4.1-testing.orig/xen/arch/x86/hvm/hyperv/hv_intercept.c 2009-08-10 14:01:45.000000000 -0600
+++ xen-3.4.1-testing/xen/arch/x86/hvm/hyperv/hv_intercept.c 2009-08-10 14:07:15.000000000 -0600
@@ -33,6 +33,7 @@
#include <asm/config.h>
#include <asm/hvm/io.h>
+#include <asm/hvm/support.h>
#include <asm/processor.h>
#include <asm/page.h>
#include <asm/apicdef.h>
@@ -987,8 +988,15 @@
break;
case HV_MSR_APIC_ASSIST_PAGE:
/*
- * For now ignore this.
+ * We don't support the APIC assist page; windows7 appears to
+ * use this; set it up so that os uses the APIC MSR to indicate EOI.
*/
+ if (msr_content & 0x1) {
+ uint32_t data = 0;
+ paddr_t assist_page = msr_content & ~1UL;
+ (void)hvm_copy_to_guest_phys(assist_page, &data, sizeof(data));
+ }
+
break;
default: