[xen staging] x86/p2m: set_shared_p2m_entry() is MEM_SHARING-only

[patchbot@xxxxxxx]

commit 5a324e1c39b6b78496dc73c222c9874302c2423c
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Wed Dec 16 16:44:18 2020 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Dec 16 16:44:18 2020 +0100

    x86/p2m: set_shared_p2m_entry() is MEM_SHARING-only
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>
---
 xen/arch/x86/mm/p2m.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/xen/arch/x86/mm/p2m.c b/xen/arch/x86/mm/p2m.c
index db6cc2202d..cd0812db18 100644
--- a/xen/arch/x86/mm/p2m.c
+++ b/xen/arch/x86/mm/p2m.c
@@ -1466,6 +1466,8 @@ int clear_identity_p2m_entry(struct domain *d, unsigned 
long gfn_l)
     return ret;
 }
 
+#ifdef CONFIG_MEM_SHARING
+
 /* Returns: 0 for success, -errno for failure */
 int set_shared_p2m_entry(struct domain *d, unsigned long gfn_l, mfn_t mfn)
 {
@@ -1504,7 +1506,10 @@ int set_shared_p2m_entry(struct domain *d, unsigned long 
gfn_l, mfn_t mfn)
     return rc;
 }
 
+#endif /* CONFIG_MEM_SHARING */
+
 #ifdef CONFIG_HVM
+
 static struct p2m_domain *
 p2m_getlru_nestedp2m(struct domain *d, struct p2m_domain *p2m)
 {
--
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