Commit 5054daa2 authored Feb 23, 2015 by Boris Ostrovsky Committed by David Vrabel Feb 23, 2015

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



Commit 1e02ce4c ("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>

parent facb5732

arch/x86/xen/enlighten.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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
		}