[06/10] x86/shadow: sh_remove_write_access_from_sl1p() can be static

Commit Message

Jan Beulich April 17, 2020, 2:27 p.m. UTC

It's only used by common.c.

Signed-off-by: Jan Beulich <[e-mail]>

Patch

--- a/xen/arch/x86/mm/shadow/common.c
+++ b/xen/arch/x86/mm/shadow/common.c
@@ -38,6 +38,9 @@ 
 #include <xen/numa.h>
 #include "private.h"
 
+static int sh_remove_write_access_from_sl1p(struct domain *d, mfn_t gmfn,
+                                            mfn_t smfn, unsigned long offset);
+
 DEFINE_PER_CPU(uint32_t,trace_shadow_path_flags);
 
 static int sh_enable_log_dirty(struct domain *, bool log_global);
@@ -1999,8 +2002,8 @@  int sh_remove_write_access(struct domain
 }
 
 #if (SHADOW_OPTIMIZATIONS & SHOPT_OUT_OF_SYNC)
-int sh_remove_write_access_from_sl1p(struct domain *d, mfn_t gmfn,
-                                     mfn_t smfn, unsigned long off)
+static int sh_remove_write_access_from_sl1p(struct domain *d, mfn_t gmfn,
+                                            mfn_t smfn, unsigned long off)
 {
     struct page_info *sp = mfn_to_page(smfn);
 
--- a/xen/arch/x86/mm/shadow/private.h
+++ b/xen/arch/x86/mm/shadow/private.h
@@ -396,9 +396,6 @@  void sh_resync(struct domain *d, mfn_t g
 
 void oos_fixup_add(struct domain *d, mfn_t gmfn, mfn_t smfn, unsigned long off);
 
-int sh_remove_write_access_from_sl1p(struct domain *d, mfn_t gmfn,
-                                     mfn_t smfn, unsigned long offset);
-
 /* Pull all out-of-sync shadows back into sync.  If skip != 0, we try
  * to avoid resyncing where we think we can get away with it. */