diff options
| author | davidxu <davidxu@FreeBSD.org> | 2005-04-19 13:15:52 +0000 |
|---|---|---|
| committer | davidxu <davidxu@FreeBSD.org> | 2005-04-19 13:15:52 +0000 |
| commit | 8c800ec582517905069e92bf0cfd91861baaca19 (patch) | |
| tree | 9e2bb167a51b4ab89bdef35395551a97b1d6d2f3 /sys | |
| parent | 6762159f447a21c4628baf709fe2e7b25826de39 (diff) | |
| download | FreeBSD-src-8c800ec582517905069e92bf0cfd91861baaca19.zip FreeBSD-src-8c800ec582517905069e92bf0cfd91861baaca19.tar.gz | |
Use critical section functions rather than scheduler lock to protect
critical region.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/i386/i386/sys_machdep.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/i386/i386/sys_machdep.c b/sys/i386/i386/sys_machdep.c index 2159043..137674f 100644 --- a/sys/i386/i386/sys_machdep.c +++ b/sys/i386/i386/sys_machdep.c @@ -171,11 +171,11 @@ sysarch(td, uap) sd.sd_xx = 0; sd.sd_def32 = 1; sd.sd_gran = 1; - mtx_lock_spin(&sched_lock); + critical_enter(); td->td_pcb->pcb_fsd = sd; PCPU_GET(fsgs_gdt)[0] = sd; td->td_frame->tf_fs = GSEL(GUFS_SEL, SEL_UPL); - mtx_unlock_spin(&sched_lock); + critical_exit(); } break; case I386_GET_GSBASE: @@ -201,11 +201,11 @@ sysarch(td, uap) sd.sd_xx = 0; sd.sd_def32 = 1; sd.sd_gran = 1; - mtx_lock_spin(&sched_lock); + critical_enter(); td->td_pcb->pcb_gsd = sd; PCPU_GET(fsgs_gdt)[1] = sd; + critical_exit(); load_gs(GSEL(GUGS_SEL, SEL_UPL)); - mtx_unlock_spin(&sched_lock); } break; default: |
