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Use critical section functions rather than scheduler lock to protect

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critical region.
This commit is contained in:
David Xu 2005-04-19 13:15:52 +00:00
parent 5345b2d755
commit 4b1fa23954
1 changed files with 4 additions and 4 deletions
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8
sys/i386/i386/sys_machdep.c
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@ -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: