[xen master] x86/shadow: don't open-code copy_domain_page()

[patchbot@xxxxxxx]

commit 43b5d7b14c569e2deaf6a2863cfa44351061ad80
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Thu Dec 22 10:08:31 2022 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Dec 22 10:08:31 2022 +0100

    x86/shadow: don't open-code copy_domain_page()
    
    Let's use the library-like function that we have.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/mm/shadow/common.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/xen/arch/x86/mm/shadow/common.c b/xen/arch/x86/mm/shadow/common.c
index b0ef574890..e1db6cf890 100644
--- a/xen/arch/x86/mm/shadow/common.c
+++ b/xen/arch/x86/mm/shadow/common.c
@@ -450,7 +450,6 @@ static void _sh_resync(struct vcpu *v, mfn_t gmfn,
 static void oos_hash_add(struct vcpu *v, mfn_t gmfn)
 {
     int i, idx, oidx, swap = 0;
-    void *gptr, *gsnpptr;
     mfn_t *oos = v->arch.paging.shadow.oos;
     mfn_t *oos_snapshot = v->arch.paging.shadow.oos_snapshot;
     struct oos_fixup *oos_fixup = v->arch.paging.shadow.oos_fixup;
@@ -483,11 +482,7 @@ static void oos_hash_add(struct vcpu *v, mfn_t gmfn)
     if ( swap )
         SWAP(oos_snapshot[idx], oos_snapshot[oidx]);
 
-    gptr = map_domain_page(oos[oidx]);
-    gsnpptr = map_domain_page(oos_snapshot[oidx]);
-    memcpy(gsnpptr, gptr, PAGE_SIZE);
-    unmap_domain_page(gptr);
-    unmap_domain_page(gsnpptr);
+    copy_domain_page(oos_snapshot[oidx], oos[oidx]);
 }
 
 /* Remove an MFN from the list of out-of-sync guest pagetables */
--
generated by git-patchbot for /home/xen/git/xen.git#master