[xen stable-4.15] x86/HVM: fix xsm_op for 32-bit guests

[patchbot@xxxxxxx]

commit ad70a247e132696944bd5f22fb886f99b4ed23e3
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Fri Oct 15 11:05:50 2021 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Fri Oct 15 11:05:50 2021 +0200

    x86/HVM: fix xsm_op for 32-bit guests
    
    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@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    master commit: b6b672e8a925ff4b71a1a67bc7d213ef445af74f
    master date: 2021-10-11 10:58:44 +0200
---
 xen/arch/x86/hvm/hypercall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/x86/hvm/hypercall.c b/xen/arch/x86/hvm/hypercall.c
index 01846b0718..40cc8fb993 100644
--- a/xen/arch/x86/hvm/hypercall.c
+++ b/xen/arch/x86/hvm/hypercall.c
@@ -136,7 +136,7 @@ static const hypercall_table_t hvm_hypercall_table[] = {
     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),
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.15