[src/trunk]: src/sys/arch/x86/x86 pmap_page_remove: perform TLB shootdown, as...

[rmind <rmind%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/945ab5be9045
branches:  trunk
changeset: 766211:945ab5be9045
user:      rmind <rmind%NetBSD.org@localhost>
date:      Sat Jun 18 21:18:20 2011 +0000

description:
pmap_page_remove: perform TLB shootdown, as it is not caller's responsibility
to perform pmap_update() according to the interface.  Might want to revisit.

Should fix recently reported tmpfs problems.  Thanks to enami@ and hannken@!

diffstat:

 sys/arch/x86/x86/pmap.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r 1c144230c4ec -r 945ab5be9045 sys/arch/x86/x86/pmap.c
--- a/sys/arch/x86/x86/pmap.c   Sat Jun 18 21:17:28 2011 +0000
+++ b/sys/arch/x86/x86/pmap.c   Sat Jun 18 21:18:20 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.c,v 1.123 2011/06/13 04:30:40 tls Exp $   */
+/*     $NetBSD: pmap.c,v 1.124 2011/06/18 21:18:20 rmind Exp $ */
 
 /*-
  * Copyright (c) 2008, 2010 The NetBSD Foundation, Inc.
@@ -171,7 +171,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.123 2011/06/13 04:30:40 tls Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.124 2011/06/18 21:18:20 rmind Exp $");
 
 #include "opt_user_ldt.h"
 #include "opt_lockdebug.h"
@@ -3532,6 +3532,7 @@
                        killlist = pve;
                }
        }
+       pmap_tlb_shootnow();
        kpreempt_enable();
 
        /* Now free unused pvs. */