Commit cd0608e7 authored Oct 10, 2012 by Konrad Rzeszutek Wilk

xen/bootup: allow read_tscp call for Xen PV guests.



The hypervisor will trap it. However without this patch,
we would crash as the .read_tscp is set to NULL. This patch
fixes it and sets it to the native_read_tscp call.

CC: stable@vger.kernel.org
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

parent 34b6f01a

arch/x86/xen/enlighten.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1164,6 +1164,8 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = {
		.read_tsc = native_read_tsc,
		.read_pmc = native_read_pmc,

		.read_tscp = native_read_tscp,

		.iret = xen_iret,
		.irq_enable_sysexit = xen_sysexit,
		#ifdef CONFIG_X86_64