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x86/xen: Initialize cr4 shadow for 64-bit PV(H) guests

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Commit 1e02ce4ccc ("x86: Store a per-cpu shadow copy of CR4")
introduced CR4 shadows.

These shadows are initialized in early boot code. The commit missed
initialization for 64-bit PV(H) guests that this patch adds.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
This commit is contained in:
Boris Ostrovsky
2015-02-23 11:01:00 -05:00
committed by David Vrabel
parent facb5732b0
commit 5054daa285
1 changed files with 1 additions and 0 deletions
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arch/x86/xen/enlighten.c
+1
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@@ -1758,6 +1758,7 @@ asmlinkage __visible void __init xen_start_kernel(void)
#ifdef CONFIG_X86_32
i386_start_kernel();
#else
cr4_init_shadow(); /* 32b kernel does this in i386_start_kernel() */
x86_64_start_reservations((char *)__pa_symbol(&boot_params));
#endif
}