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For now, don't reset arm_cache_prefer_mask unless both l1 caches are PIPT

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This commit is contained in:
matt 2014-02-21 06:28:25 +00:00
parent c7dda21c10
commit 70eecc9d6e
1 changed files with 4 additions and 3 deletions
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7
sys/arch/arm/arm/cpufunc.c
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@ -1,4 +1,4 @@
/* $NetBSD: cpufunc.c,v 1.139 2014/02/20 23:24:55 matt Exp $ */
/* $NetBSD: cpufunc.c,v 1.140 2014/02/21 06:28:25 matt Exp $ */
/*
* arm7tdmi support code Copyright (c) 2001 John Fremlin
@ -49,7 +49,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: cpufunc.c,v 1.139 2014/02/20 23:24:55 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: cpufunc.c,v 1.140 2014/02/21 06:28:25 matt Exp $");
#include "opt_compat_netbsd.h"
#include "opt_cpuoptions.h"
@ -1595,7 +1595,8 @@ get_cachetype_cp15(void)
if (arm_scache.dcache_line_size < arm_dcache_align)
arm_dcache_align = arm_scache.dcache_line_size;
}
if (arm_pcache.dcache_type == CACHE_TYPE_PIPT) {
if (arm_pcache.dcache_type == CACHE_TYPE_PIPT
&& arm_pcache.icache_type == CACHE_TYPE_PIPT) {
arm_cache_prefer_mask = 0;
}
goto out;