Module Name:    src
Committed By:   rmind
Date:           Fri Jul  2 02:11:21 UTC 2010

Modified Files:
        src/sys/arch/x86/x86 [rmind-uvmplock]: pmap_tlb.c

Log Message:
pmap_tlb_shootdown: add assert demonstrating assumption.


To generate a diff of this commit:
cvs rdiff -u -r1.1.2.2 -r1.1.2.3 src/sys/arch/x86/x86/pmap_tlb.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/arch/x86/x86/pmap_tlb.c
diff -u src/sys/arch/x86/x86/pmap_tlb.c:1.1.2.2 src/sys/arch/x86/x86/pmap_tlb.c:1.1.2.3
--- src/sys/arch/x86/x86/pmap_tlb.c:1.1.2.2	Mon May 31 01:12:14 2010
+++ src/sys/arch/x86/x86/pmap_tlb.c	Fri Jul  2 02:11:21 2010
@@ -1,4 +1,4 @@
-/*	$NetBSD: pmap_tlb.c,v 1.1.2.2 2010/05/31 01:12:14 rmind Exp $	*/
+/*	$NetBSD: pmap_tlb.c,v 1.1.2.3 2010/07/02 02:11:21 rmind Exp $	*/
 
 /*-
  * Copyright (c) 2008, 2010 The NetBSD Foundation, Inc.
@@ -40,7 +40,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap_tlb.c,v 1.1.2.2 2010/05/31 01:12:14 rmind Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap_tlb.c,v 1.1.2.3 2010/07/02 02:11:21 rmind Exp $");
 
 #include <sys/param.h>
 #include <sys/kernel.h>
@@ -172,7 +172,11 @@
 	 */ 
 	s = splvm();
 	tp = (struct pmap_tlb_packet *)curcpu()->ci_pmap_data;
+
+	/* Whole address flush will be needed if PG_G is set. */
+	CTASSERT(PG_G == (uint16_t)PG_G);
 	tp->tp_pte |= (uint16_t)pte;
+
 	if (tp->tp_count < TP_MAXVA && va != (vaddr_t)-1LL) {
 		/* Flush a single page. */
 		tp->tp_va[tp->tp_count++] = va;

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