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[PATCH v1 06/25] xen/domctl: provide stub for domctl_lock_{acquire,release}
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Penny Zheng <Penny.Zheng@xxxxxxx>
- Date: Sun, 3 Aug 2025 17:47:19 +0800
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- Cc: <ray.huang@xxxxxxx>, Penny Zheng <Penny.Zheng@xxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, "Julien Grall" <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Sun, 03 Aug 2025 09:50:46 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
With DOMCTL=n, we need to provide stub for domctl_lock_{acquire,release}(),
as it may be invoked by hvm_set_param() in x86 PV shim mode. Although
PV_SHIM_EXCLUSIVE and HVM shall not be both enabled, randconfig stands
little chance to make it happen.
Signed-off-by: Penny Zheng <Penny.Zheng@xxxxxxx>
---
xen/include/xen/domain.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/xen/include/xen/domain.h b/xen/include/xen/domain.h
index 33dd90357c..b45ac91760 100644
--- a/xen/include/xen/domain.h
+++ b/xen/include/xen/domain.h
@@ -148,8 +148,17 @@ void arch_dump_domain_info(struct domain *d);
int arch_vcpu_reset(struct vcpu *v);
+#ifdef CONFIG_DOMCTL
bool domctl_lock_acquire(void);
void domctl_lock_release(void);
+#else
+static inline bool domctl_lock_acquire(void)
+{
+ return false;
+}
+
+static inline void domctl_lock_release(void) {}
+#endif /* CONFIG_DOMCTL */
/*
* Continue the current hypercall via func(data) on specified cpu.
--
2.34.1
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