diff mbox series

x86/HVM: fix xsm_op for 32-bit guests

Message ID cb3fc8b0-cd60-edc4-7064-0bea87a6c8b6@suse.com (mailing list archive)
State New, archived
Headers show
Series x86/HVM: fix xsm_op for 32-bit guests | expand

Commit Message

Jan Beulich Oct. 8, 2021, 1:06 p.m. UTC 
Like for PV, 32-bit guests need to invoke the compat handler, not the
native one.

Fixes: db984809d61b ("hvm: wire up domctl and xsm hypercalls")
Signed-off-by: Jan Beulich <jbeulich@suse.com>

Comments

Andrew Cooper Oct. 8, 2021, 4:19 p.m. UTC | #1 
On 08/10/2021 14:06, Jan Beulich wrote:
> Like for PV, 32-bit guests need to invoke the compat handler, not the
> native one.
>
> Fixes: db984809d61b ("hvm: wire up domctl and xsm hypercalls")
> Signed-off-by: Jan Beulich <jbeulich@suse.com>

Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
diff mbox series

Patch

--- a/xen/arch/x86/hvm/hypercall.c
+++ b/xen/arch/x86/hvm/hypercall.c
@@ -138,7 +138,7 @@  static const struct {
     HYPERCALL(event_channel_op),
     COMPAT_CALL(sched_op),
     COMPAT_CALL(set_timer_op),
-    HYPERCALL(xsm_op),
+    COMPAT_CALL(xsm_op),
     HYPERCALL(hvm_op),
     HYPERCALL(sysctl),
     HYPERCALL(domctl),