diff options
Diffstat (limited to 'usr/src/uts/common/os/lwp.c')
| -rw-r--r-- | usr/src/uts/common/os/lwp.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/usr/src/uts/common/os/lwp.c b/usr/src/uts/common/os/lwp.c index 1775e22b0d..3aaf2c746c 100644 --- a/usr/src/uts/common/os/lwp.c +++ b/usr/src/uts/common/os/lwp.c @@ -697,7 +697,14 @@ grow: t->t_pre_sys = 1; t->t_post_sys = 1; - /* Complete branded lwp initialization */ + /* + * Perform lwp branding + * + * The b_initlwp hook is _not_ allowed to drop p->p_lock as it must be + * continuously held between when the tidhash is sized and when the lwp + * is inserted into it. Operations requiring p->p_lock to be + * temporarily dropped can be performed in b_initlwp_post. + */ if (PROC_IS_BRANDED(p)) { BROP(p)->b_initlwp(lwp, brand_data); /* @@ -732,6 +739,13 @@ grow: lep->le_start = t->t_start; lwp_hash_in(p, lep, p->p_tidhash, p->p_tidhash_sz, 1); + /* + * Complete lwp branding + */ + if (PROC_IS_BRANDED(p) && BROP(p)->b_initlwp_post != NULL) { + BROP(p)->b_initlwp_post(lwp); + } + if (state == TS_RUN) { /* * We set the new lwp running immediately. |