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authorChuck Ebbert <76306.1226@compuserve.com>2006-12-06 20:14:07 -0500
committerAndi Kleen <andi@basil.nowhere.org>2006-12-06 20:14:07 -0500
commit8c89812684de3b47066d800031dfd7098abbdc74 (patch)
tree5ecd29411a637313a54876f71b10fc7467d07ec5 /arch/i386
parent516d2836434d279fef164bb1b964e83425d312d2 (diff)
[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>
Diffstat (limited to 'arch/i386')
-rw-r--r--arch/i386/kernel/process.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c
index 8f42659ef9d2..99308510a17c 100644
--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -675,12 +675,6 @@ struct task_struct fastcall * __switch_to(struct task_struct *prev_p, struct tas
675 write_pda(pcurrent, next_p); 675 write_pda(pcurrent, next_p);
676 676
677 /* 677 /*
678 * Restore IOPL if needed.
679 */
680 if (unlikely(prev->iopl != next->iopl))
681 set_iopl_mask(next->iopl);
682
683 /*
684 * Now maybe handle debug registers and/or IO bitmaps 678 * Now maybe handle debug registers and/or IO bitmaps
685 */ 679 */
686 if (unlikely((task_thread_info(next_p)->flags & _TIF_WORK_CTXSW) 680 if (unlikely((task_thread_info(next_p)->flags & _TIF_WORK_CTXSW)