[PATCH] i386: remove IOPL check on task switch
IOPL is implicitly saved and restored on task switch, so explicit check is no longer needed. Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com> Signed-off-by: Andi Kleen <ak@suse.de>
This commit is contained in:
parent
516d283643
commit
8c89812684
@ -674,12 +674,6 @@ struct task_struct fastcall * __switch_to(struct task_struct *prev_p, struct tas
|
|||||||
|
|
||||||
write_pda(pcurrent, next_p);
|
write_pda(pcurrent, next_p);
|
||||||
|
|
||||||
/*
|
|
||||||
* Restore IOPL if needed.
|
|
||||||
*/
|
|
||||||
if (unlikely(prev->iopl != next->iopl))
|
|
||||||
set_iopl_mask(next->iopl);
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Now maybe handle debug registers and/or IO bitmaps
|
* Now maybe handle debug registers and/or IO bitmaps
|
||||||
*/
|
*/
|
||||||
|
Loading…
Reference in New Issue
Block a user