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openSUSE:Evergreen:11.1:kernel-2.6.32
xen
19372-2-on-3-shadow-mode-fix.patch
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File 19372-2-on-3-shadow-mode-fix.patch of Package xen
# HG changeset patch # User Keir Fraser <keir.fraser@citrix.com> # Date 1237301760 0 # Node ID f3bdb4a66257ad67e380f4ac4ccd967bd309d4c1 # Parent d3a2bcff275c6a00c91133e9974f56454b4b79b5 x86 shadow: Fix 2-on-3 mode. Signed-off-by: Gianluca Guida <Gianluca.Guida@eu.citrix.com> xen-unstable changeset: 19372:0e8005a9d81201f5224e8fd0690a8b787befc4c0 xen-unstable date: Tue Mar 17 14:30:15 2009 +0000 --- a/xen/arch/x86/mm/shadow/multi.c +++ b/xen/arch/x86/mm/shadow/multi.c @@ -2759,16 +2759,15 @@ int sh_safe_not_to_sync(struct vcpu *v, return 0; smfn = _mfn(sp->up >> PAGE_SHIFT); ASSERT(mfn_valid(smfn)); +#endif -#if (GUEST_PAGING_LEVELS == 2) +#if (GUEST_PAGING_LEVELS == 2 && SHADOW_PAGING_LEVELS == 3) /* In 2-on-3 shadow mode the up pointer contains the link to the * shadow page, but the shadow_table contains only the first of the * four pages that makes the PAE top shadow tables. */ smfn = _mfn(mfn_x(smfn) & ~0x3UL); #endif -#endif - if ( pagetable_get_pfn(v->arch.shadow_table[0]) == mfn_x(smfn) #if (SHADOW_PAGING_LEVELS == 3) || pagetable_get_pfn(v->arch.shadow_table[1]) == mfn_x(smfn)
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