svn commit: r322800 - head/sys/arm64/arm64

Andrew Turner andrew at FreeBSD.org
Tue Aug 22 18:20:26 UTC 2017


Author: andrew
Date: Tue Aug 22 18:20:25 2017
New Revision: 322800
URL: https://svnweb.freebsd.org/changeset/base/322800

Log:
  Remove an unneeded call to pmap_invalidate_all. This was never called as
  the anyvalid variable is never set.
  
  MFC after:	1 week
  Sponsored by:	DARPA, AFRL

Modified:
  head/sys/arm64/arm64/pmap.c

Modified: head/sys/arm64/arm64/pmap.c
==============================================================================
--- head/sys/arm64/arm64/pmap.c	Tue Aug 22 18:15:47 2017	(r322799)
+++ head/sys/arm64/arm64/pmap.c	Tue Aug 22 18:20:25 2017	(r322800)
@@ -2331,7 +2331,6 @@ 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.
@@ -2339,7 +2338,6 @@ 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);
@@ -2429,8 +2427,6 @@ 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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