svn commit: r323846 - stable/11/sys/arm64/arm64

Andrew Turner andrew at FreeBSD.org
Thu Sep 21 08:20:34 UTC 2017


Author: andrew
Date: Thu Sep 21 08:20:33 2017
New Revision: 323846
URL: https://svnweb.freebsd.org/changeset/base/323846

Log:
  MFC r322800:
  
  Remove an unneeded call to pmap_invalidate_all. This was never called as
  the anyvalid variable is never set.
  
  Sponsored by:	DARPA, AFRL

Modified:
  stable/11/sys/arm64/arm64/pmap.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/arm64/arm64/pmap.c
==============================================================================
--- stable/11/sys/arm64/arm64/pmap.c	Thu Sep 21 08:16:21 2017	(r323845)
+++ stable/11/sys/arm64/arm64/pmap.c	Thu Sep 21 08:20:33 2017	(r323846)
@@ -2335,7 +2335,6 @@ pmap_remove(pmap_t pmap, vm_offset_t sva, vm_offset_t 
 	pd_entry_t *l0, *l1, *l2;
 	pt_entry_t l3_paddr, *l3;
 	struct spglist free;
-	int anyvalid;
 
 	/*
 	 * Perform an unsynchronized read.  This is, however, safe.
@@ -2343,7 +2342,6 @@ pmap_remove(pmap_t pmap, vm_offset_t sva, vm_offset_t 
 	if (pmap->pm_stats.resident_count == 0)
 		return;
 
-	anyvalid = 0;
 	SLIST_INIT(&free);
 
 	PMAP_LOCK(pmap);
@@ -2430,8 +2428,6 @@ pmap_remove(pmap_t pmap, vm_offset_t sva, vm_offset_t 
 	}
 	if (lock != NULL)
 		rw_wunlock(lock);
-	if (anyvalid)
-		pmap_invalidate_all(pmap);
 	PMAP_UNLOCK(pmap);
 	pmap_free_zero_pages(&free);
 }


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