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authorjeff <jeff@FreeBSD.org>2005-02-23 10:05:43 +0000
committerjeff <jeff@FreeBSD.org>2005-02-23 10:05:43 +0000
commitd2fecffa39eea996b742a72ed14b73f73cf0217d (patch)
tree8c7b6734d313394e10edeade07b72088a5e46bb7 /sys/kern/vfs_subr.c
parent4b4c9adb80f11da18a259f2a3b99e0a3b877c3bd (diff)
downloadFreeBSD-src-d2fecffa39eea996b742a72ed14b73f73cf0217d.zip
FreeBSD-src-d2fecffa39eea996b742a72ed14b73f73cf0217d.tar.gz
- Enable SMP VFS by default on current. More users are needed to turn up
any remaining bugs. Anyone inconvenienced by this can still disable it in the loader. Sponsored by: Isilon Systems, Inc.
Diffstat (limited to 'sys/kern/vfs_subr.c')
-rw-r--r--sys/kern/vfs_subr.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
index 053c385..6eba571 100644
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -98,7 +98,11 @@ static void vholdl(struct vnode *);
* Enable Giant pushdown based on whether or not the vm is mpsafe in this
* build. Without mpsafevm the buffer cache can not run Giant free.
*/
-int mpsafe_vfs = 0;
+#if defined(__alpha__) || defined(__amd64__) || defined(__i386__)
+int mpsafe_vfs = 1;
+#else
+int mpsafe_vfs;
+#endif
TUNABLE_INT("debug.mpsafevfs", &mpsafe_vfs);
SYSCTL_INT(_debug, OID_AUTO, mpsafevfs, CTLFLAG_RD, &mpsafe_vfs, 0,
"MPSAFE VFS");
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