61f585cdc1
for install guest on tapdisk very very slow. - bnc#542525 - VUL-1: xen pygrub vulnerability 20099-pygrub-security.patch 20107-pygrub-security.patch 20146-pygrub-security.patch 20174-pygrub-security.patch 20201-pygrub-security.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=22
30 lines
971 B
Diff
30 lines
971 B
Diff
Index: xen-3.4.1-testing/xen/arch/x86/hvm/hyperv/hv_intercept.c
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===================================================================
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--- xen-3.4.1-testing.orig/xen/arch/x86/hvm/hyperv/hv_intercept.c
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+++ xen-3.4.1-testing/xen/arch/x86/hvm/hyperv/hv_intercept.c
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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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@@ -987,8 +988,15 @@ hyperv_do_wr_msr(uint32_t idx, struct cp
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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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+ }
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+
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break;
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default:
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