summaryrefslogtreecommitdiff
path: root/arch/x86/xen
diff options
context:
space:
mode:
authorJuergen Gross <jgross@suse.com>2021-03-11 17:23:16 +0300
committerBorislav Petkov <bp@suse.de>2021-03-11 21:58:54 +0300
commitae755b5a45482b5de4d96d6f35823076af77445e (patch)
treeb617f4d18ead2e9c92e92f33b6b85086e1747b13 /arch/x86/xen
parent0b8d366a942fd48a83dfa728e9f8a8d8b20e735f (diff)
downloadlinux-ae755b5a45482b5de4d96d6f35823076af77445e.tar.xz
x86/paravirt: Switch iret pvops to ALTERNATIVE
The iret paravirt op is rather special as it is using a jmp instead of a call instruction. Switch it to ALTERNATIVE. Signed-off-by: Juergen Gross <jgross@suse.com> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20210311142319.4723-12-jgross@suse.com
Diffstat (limited to 'arch/x86/xen')
-rw-r--r--arch/x86/xen/enlighten_pv.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
index dc0a337f985b..08dca7bebb30 100644
--- a/arch/x86/xen/enlighten_pv.c
+++ b/arch/x86/xen/enlighten_pv.c
@@ -1070,8 +1070,6 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = {
.read_pmc = xen_read_pmc,
- .iret = xen_iret,
-
.load_tr_desc = paravirt_nop,
.set_ldt = xen_set_ldt,
.load_gdt = xen_load_gdt,
@@ -1235,6 +1233,7 @@ asmlinkage __visible void __init xen_start_kernel(void)
pv_info = xen_info;
pv_ops.init.patch = paravirt_patch_default;
pv_ops.cpu = xen_cpu_ops;
+ paravirt_iret = xen_iret;
xen_init_irq_ops();
/*