x86/xen: Make xen_reservation_lock static

jgross1 · KAGA-KOKO · commit 4f2d7af70256 · 2018-09-06T14:37:37.000+02:00
No users outside of that file. Fixes: f030aad ("x86/xen: Move pv specific parts of arch/x86/xen/mmu.c to mmu_pv.c") Signed-off-by: Juergen Gross <jgross@suse.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: xen-devel@lists.xenproject.org Cc: boris.ostrovsky@oracle.com Cc: hpa@zytor.com Link: https://lkml.kernel.org/r/20180905053634.13648-1-jgross@suse.com
diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c
@@ -104,7 +104,7 @@ static pud_t level3_user_vsyscall[PTRS_PER_PUD] __page_aligned_bss;
  * Protects atomic reservation decrease/increase against concurrent increases.
  * Also protects non-atomic updates of current_pages and balloon lists.
  */
-DEFINE_SPINLOCK(xen_reservation_lock);
+static DEFINE_SPINLOCK(xen_reservation_lock);
 
 /*
  * Note about cr3 (pagetable base) values:
