diff options
| author | Martin Pelikan <pelikan@cvs.openbsd.org> | 2015-02-09 13:41:25 +0000 |
|---|---|---|
| committer | Martin Pelikan <pelikan@cvs.openbsd.org> | 2015-02-09 13:41:25 +0000 |
| commit | cc9d0dd1acdbc2bb5eb3f11554ea05ae6f5b3960 (patch) | |
| tree | eeea61319c1cad5f47159dd09e784853c4ed1701 /sys/kern/init_sysent.c | |
| parent | 38cb664e9152d456b8327dade98778d13345b869 (diff) | |
make sigprocmask(2) not take the kernel lock
Tests on a 4-core CPU show setjmp(3) run four times as fast under load.
discussed on tech@ some time ago, now by kettenis and guenther, ok deraadt
Diffstat (limited to 'sys/kern/init_sysent.c')
| -rw-r--r-- | sys/kern/init_sysent.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/kern/init_sysent.c b/sys/kern/init_sysent.c index edcb7a510c4..ba8df68d0a4 100644 --- a/sys/kern/init_sysent.c +++ b/sys/kern/init_sysent.c @@ -1,4 +1,4 @@ -/* $OpenBSD: init_sysent.c,v 1.162 2015/02/09 13:34:49 deraadt Exp $ */ +/* $OpenBSD: init_sysent.c,v 1.163 2015/02/09 13:41:24 pelikan Exp $ */ /* * System call switch table. @@ -124,7 +124,7 @@ struct sysent sysent[] = { sys_sigaction }, /* 46 = sigaction */ { 0, 0, SY_NOLOCK | 0, sys_getgid }, /* 47 = getgid */ - { 2, s(struct sys_sigprocmask_args), 0, + { 2, s(struct sys_sigprocmask_args), SY_NOLOCK | 0, sys_sigprocmask }, /* 48 = sigprocmask */ { 2, s(struct sys_getlogin_args), 0, sys_getlogin }, /* 49 = getlogin */ |