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i386_set_ioperm, i386_get_ldt and i386_set_ldt are now MPSAFE

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(Giant/sched_lock free) so remove unuseful Giant cruft.

Approved by: jeff
Approved by: re
Sponsorized by: NGX Italy (http://www.ngx.it)
This commit is contained in:
attilio 2007-07-20 08:35:18 +00:00
parent 8765bda351
commit d6dfb4f4cb
1 changed files with 0 additions and 6 deletions
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6
sys/i386/linux/linux_machdep.c
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@ -846,9 +846,7 @@ linux_ioperm(struct thread *td, struct linux_ioperm_args *args)
iia.start = args->start;
iia.length = args->length;
iia.enable = args->enable;
mtx_lock(&Giant);
error = i386_set_ioperm(td, &iia);
mtx_unlock(&Giant);
return (error);
}
@ -884,10 +882,8 @@ linux_modify_ldt(struct thread *td, struct linux_modify_ldt_args *uap)
ldt.start = 0;
ldt.descs = uap->ptr;
ldt.num = uap->bytecount / sizeof(union descriptor);
mtx_lock(&Giant);
error = i386_get_ldt(td, &ldt);
td->td_retval[0] *= sizeof(union descriptor);
mtx_unlock(&Giant);
break;
case 0x01: /* write_ldt */
case 0x11: /* write_ldt */
@ -912,9 +908,7 @@ linux_modify_ldt(struct thread *td, struct linux_modify_ldt_args *uap)
desc.sd.sd_xx = 0;
desc.sd.sd_def32 = ld.seg_32bit;
desc.sd.sd_gran = ld.limit_in_pages;
mtx_lock(&Giant);
error = i386_set_ldt(td, &ldt, &desc);
mtx_unlock(&Giant);
break;
default:
error = EINVAL;