1d11625a98
521c6d4a-x86-don-t-allow-Dom0-access-to-the-MSI-address-range.patch 521c6d6c-x86-don-t-allow-Dom0-access-to-the-HT-address-range.patch 521c6e23-x86-Intel-add-support-for-Haswell-CPU-models.patch 521db25f-Fix-inactive-timer-list-corruption-on-second-S3-resume.patch 521e1156-x86-AVX-instruction-emulation-fixes.patch 521ef8d9-AMD-IOMMU-add-missing-checks.patch 52205a7d-hvmloader-smbios-Correctly-count-the-number-of-tables-written.patch 52205a90-public-hvm_xs_strings.h-Fix-ABI-regression-for-OEM-SMBios-strings.patch 52205e27-x86-xsave-initialization-improvements.patch 5226020f-xend-handle-extended-PCI-configuration-space-when-saving-state.patch 52260214-xend-fix-file-descriptor-leak-in-pci-utilities.patch 52285317-hvmloader-fix-SeaBIOS-interface.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=271
25 lines
1.0 KiB
Diff
25 lines
1.0 KiB
Diff
# Commit 850188e1278cecd1dfb9b936024bee2d8dfdcc18
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# Date 2013-08-27 11:11:38 +0200
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# Author Jan Beulich <jbeulich@suse.com>
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# Committer Jan Beulich <jbeulich@suse.com>
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x86: don't allow Dom0 access to the MSI address range
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In particular, MMIO assignments should not be done using this area.
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Signed-off-by: Jan Beulich <jbeulich@suse.com>
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Acked-by Xiantao Zhang <xiantao.zhang@intel.com>
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--- 2013-08-30.orig/xen/arch/x86/domain_build.c 2013-07-09 20:57:12.000000000 +0200
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+++ 2013-08-30/xen/arch/x86/domain_build.c 2013-09-09 11:23:00.000000000 +0200
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@@ -1122,6 +1122,10 @@ int __init construct_dom0(
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if ( !rangeset_contains_singleton(mmio_ro_ranges, mfn) )
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rc |= iomem_deny_access(dom0, mfn, mfn);
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}
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+ /* MSI range. */
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+ rc |= iomem_deny_access(dom0, paddr_to_pfn(MSI_ADDR_BASE_LO),
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+ paddr_to_pfn(MSI_ADDR_BASE_LO +
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+ MSI_ADDR_DEST_ID_MASK));
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/* Remove access to E820_UNUSABLE I/O regions above 1MB. */
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for ( i = 0; i < e820.nr_map; i++ )
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