Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use roundup2() instead of hardcoding the CACHE_LINE_SIZE rounding

Browse Source 
operation.
This commit is contained in:
jym 2010-03-03 00:09:03 +00:00
parent c79910eee7
commit 56436d584f
1 changed files with 4 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
sys/arch/xen/x86/cpu.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: cpu.c,v 1.41 2010/02/24 22:37:55 dyoung Exp $ */
/* $NetBSD: cpu.c,v 1.42 2010/03/03 00:09:03 jym Exp $ */
/* NetBSD: cpu.c,v 1.18 2004/02/20 17:35:01 yamt Exp */
/*-
@ -66,7 +66,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.41 2010/02/24 22:37:55 dyoung Exp $");
__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.42 2010/03/03 00:09:03 jym Exp $");
#include "opt_ddb.h"
#include "opt_multiprocessor.h"
@ -236,8 +236,7 @@ cpu_attach(device_t parent, device_t self, void *aux)
aprint_naive(": Application Processor\n");
ptr = (uintptr_t)kmem_zalloc(sizeof(*ci) + CACHE_LINE_SIZE - 1,
KM_SLEEP);
ci = (struct cpu_info *)((ptr + CACHE_LINE_SIZE - 1) &
~(CACHE_LINE_SIZE - 1));
ci = (struct cpu_info *)roundup2(ptr, CACHE_LINE_SIZE);
ci->ci_curldt = -1;
} else {
aprint_naive(": %s Processor\n",
@ -372,8 +371,7 @@ cpu_attach_common(device_t parent, device_t self, void *aux)
aprint_naive(": Application Processor\n");
ptr = (uintptr_t)kmem_alloc(sizeof(*ci) + CACHE_LINE_SIZE - 1,
KM_SLEEP);
ci = (struct cpu_info *)((ptr + CACHE_LINE_SIZE - 1) &
~(CACHE_LINE_SIZE - 1));
ci = (struct cpu_info *)roundup2(ptr, CACHE_LINE_SIZE);
memset(ci, 0, sizeof(*ci));
#ifdef TRAPLOG
ci->ci_tlog_base = kmem_zalloc(sizeof(struct tlog), KM_SLEEP);