diff options
| author |   guenther <guenther@openbsd.org> | 2012-05-24 01:19:16 +0000 |
|---|---|---|
| committer | guenther <guenther@openbsd.org> | 2012-05-24 01:19:16 +0000 |
| commit | b7f883556878a94e68e7ac6f877d584dfe11e4fe (patch) | |
| tree | bb306473d1216a7dd14aae4487065d7f4c4575f9 /sys/compat/linux/linux_sched.c | |
| parent | - introduce temp_inet_net_pton_ipv6() temporarily until we have AF_INET6 (diff) | |
| download | wireguard-openbsd-b7f883556878a94e68e7ac6f877d584dfe11e4fe.tar.xz wireguard-openbsd-b7f883556878a94e68e7ac6f877d584dfe11e4fe.zip | |
If LINUX_CLONE_SETTLS isn't set, then the clone()d child should inherit
the TCB value from the parent instead of having it zeroed.
ok pirofti@
Diffstat (limited to 'sys/compat/linux/linux_sched.c')
| -rw-r--r-- | sys/compat/linux/linux_sched.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/compat/linux/linux_sched.c b/sys/compat/linux/linux_sched.c index d0a3ea5c88a..cb35647a43b 100644 --- a/sys/compat/linux/linux_sched.c +++ b/sys/compat/linux/linux_sched.c @@ -1,4 +1,4 @@ -/* $OpenBSD: linux_sched.c,v 1.12 2012/04/12 15:42:52 guenther Exp $ */ +/* $OpenBSD: linux_sched.c,v 1.13 2012/05/24 01:19:16 guenther Exp $ */ /* $NetBSD: linux_sched.c,v 1.6 2000/05/28 05:49:05 thorpej Exp $ */ /*- @@ -166,9 +166,10 @@ linux_sys_clone(struct proc *p, void *v, register_t *retval) if (ldesc.entry_number != GUGS_SEL) return (EINVAL); emul->child_tls_base = ldesc.base_addr; + emul->set_tls_base = 1; } else - emul->child_tls_base = 0; + emul->set_tls_base = 0; /* * Note that Linux does not provide a portable way of specifying @@ -407,7 +408,8 @@ linux_child_return(void *arg) struct proc *p = (struct proc *)arg; struct linux_emuldata *emul = p->p_emuldata; - i386_set_threadbase(p, emul->my_tls_base, TSEG_GS); + if (emul->set_tls_base) + i386_set_threadbase(p, emul->my_tls_base, TSEG_GS); if (emul->my_set_tid) { pid_t pid = p->p_pid + THREAD_PID_OFFSET; |