Commit cd0608e7 authored by Konrad Rzeszutek Wilk's avatar 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: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent 34b6f01a
...@@ -1164,6 +1164,8 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = { ...@@ -1164,6 +1164,8 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = {
.read_tsc = native_read_tsc, .read_tsc = native_read_tsc,
.read_pmc = native_read_pmc, .read_pmc = native_read_pmc,
.read_tscp = native_read_tscp,
.iret = xen_iret, .iret = xen_iret,
.irq_enable_sysexit = xen_sysexit, .irq_enable_sysexit = xen_sysexit,
#ifdef CONFIG_X86_64 #ifdef CONFIG_X86_64
......
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