Module Name: src
Committed By: martin
Date: Sat Dec 23 13:06:43 UTC 2023
Modified Files:
src/sys/arch/vax/vax [netbsd-10]: pmap.c
Log Message:
Pull up following revision(s) (requested by thorpej in ticket #515):
sys/arch/vax/vax/pmap.c: revision 1.200
rmspace(): when a PT page is put back onto the free list, invalidate
it's VA in the TB.
rmptep(): Add a comment that the no TIBS is needed for newly-freed PT
pages here because all of the callers perform a TBIA.
To generate a diff of this commit:
cvs rdiff -u -r1.195.2.1 -r1.195.2.2 src/sys/arch/vax/vax/pmap.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/vax/vax/pmap.c
diff -u src/sys/arch/vax/vax/pmap.c:1.195.2.1 src/sys/arch/vax/vax/pmap.c:1.195.2.2
--- src/sys/arch/vax/vax/pmap.c:1.195.2.1 Wed Jun 21 19:09:07 2023
+++ src/sys/arch/vax/vax/pmap.c Sat Dec 23 13:06:43 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.c,v 1.195.2.1 2023/06/21 19:09:07 martin Exp $ */
+/* $NetBSD: pmap.c,v 1.195.2.2 2023/12/23 13:06:43 martin Exp $ */
/*
* Copyright (c) 1994, 1998, 1999, 2003 Ludd, University of Lule}, Sweden.
* All rights reserved.
@@ -25,7 +25,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.195.2.1 2023/06/21 19:09:07 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.195.2.2 2023/12/23 13:06:43 martin Exp $");
#include "opt_ddb.h"
#include "opt_cputype.h"
@@ -631,6 +631,7 @@ rmspace(struct pmap *pm)
}
free_ptp((((struct pte *)ptpp)->pg_pfn << VAX_PGSHIFT));
*ptpp = 0;
+ mtpr((vaddr_t)br, PR_TBIS);
}
lr = pm->pm_p1lr/NPTEPG;
for (i = lr; i < NPTEPERREG/NPTEPG; i++) {
@@ -645,6 +646,7 @@ rmspace(struct pmap *pm)
}
free_ptp((((struct pte *)ptpp)->pg_pfn << VAX_PGSHIFT));
*ptpp = 0;
+ mtpr((vaddr_t)br, PR_TBIS);
}
if (pm->pm_p0lr != 0)
@@ -770,6 +772,7 @@ rmptep(struct pte *pte)
#endif
free_ptp((((struct pte *)ptpp)->pg_pfn << VAX_PGSHIFT));
*ptpp = 0;
+ /* N.B. callers all do a TBIA, so TBIS not needed here. */
}
static int
