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[PATCH] x86/HVM: fix xsm_op for 32-bit guests
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Fri, 8 Oct 2021 15:06:35 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Fri, 08 Oct 2021 13:07:01 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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>
--- 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),
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