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

[patchbot@xxxxxxx]

commit b6b672e8a925ff4b71a1a67bc7d213ef445af74f
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Mon Oct 11 10:58:44 2021 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Oct 11 10:58:44 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>
---
 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 261d8ee8a4..122abf80de 100644
--- 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),
--
generated by git-patchbot for /home/xen/git/xen.git#staging