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DISCONTINUED:openSUSE:11.1:Update
xen
19505-x86_64-clear-cr1.patch
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File 19505-x86_64-clear-cr1.patch of Package xen
# HG changeset patch # User Keir Fraser <keir.fraser@citrix.com> # Date 1239022595 -3600 # Node ID 1f705f0a32e2b99423394ef0e2f2348199f13a8e # Parent 3fecb8f43617039fc71a5c01ad8266c74c7be0cb x86_64: explicitly zero CR[1] in getvcpucontext for guests with no user PT Signed-off-by: Ian Campbell <ian.campbell@citrix.com> --- a/xen/arch/x86/domctl.c +++ b/xen/arch/x86/domctl.c @@ -1083,9 +1083,9 @@ void arch_get_info_guest(struct vcpu *v, c.nat->ctrlreg[3] = xen_pfn_to_cr3( pagetable_get_pfn(v->arch.guest_table)); #ifdef __x86_64__ - if ( !pagetable_is_null(v->arch.guest_table_user) ) - c.nat->ctrlreg[1] = xen_pfn_to_cr3( - pagetable_get_pfn(v->arch.guest_table_user)); + c.nat->ctrlreg[1] = + pagetable_is_null(v->arch.guest_table_user) ? 0 + : xen_pfn_to_cr3(pagetable_get_pfn(v->arch.guest_table_user)); #endif /* Merge shadow DR7 bits into real DR7. */
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