2009-08-17 14:57:35 +02:00
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Index: xen-3.4.1-testing/xen/arch/x86/hvm/hyperv/hv_intercept.c
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===================================================================
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2009-10-12 16:04:54 +02:00
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--- xen-3.4.1-testing.orig/xen/arch/x86/hvm/hyperv/hv_intercept.c 2009-08-10 14:01:45.000000000 -0600
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+++ xen-3.4.1-testing/xen/arch/x86/hvm/hyperv/hv_intercept.c 2009-08-10 14:07:15.000000000 -0600
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2009-08-17 14:57:35 +02:00
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@@ -33,6 +33,7 @@
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#include <asm/config.h>
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#include <asm/hvm/io.h>
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+#include <asm/hvm/support.h>
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#include <asm/processor.h>
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#include <asm/page.h>
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#include <asm/apicdef.h>
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2009-10-12 16:04:54 +02:00
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@@ -987,8 +988,15 @@
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2009-08-17 14:57:35 +02:00
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break;
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case HV_MSR_APIC_ASSIST_PAGE:
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/*
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- * For now ignore this.
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+ * We don't support the APIC assist page; windows7 appears to
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+ * use this; set it up so that os uses the APIC MSR to indicate EOI.
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*/
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+ if (msr_content & 0x1) {
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+ uint32_t data = 0;
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+ paddr_t assist_page = msr_content & ~1UL;
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+ (void)hvm_copy_to_guest_phys(assist_page, &data, sizeof(data));
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2009-10-12 16:04:54 +02:00
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+ }
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2009-08-17 14:57:35 +02:00
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+
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break;
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default:
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