The patch titled
i386: remove IOPL check on task switch
has been removed from the -mm tree. Its filename was
i386-remove-iopl-check-on-task-switch.patch
This patch was dropped because it was nacked by the maintainer
------------------------------------------------------
Subject: i386: remove IOPL check on task switch
From: Chuck Ebbert <76306.1226@xxxxxxxxxxxxxx>
IOPL is implicitly saved and restored on task switch, so explicit check is
no longer needed.
Signed-off-by: Chuck Ebbert <76306.1226@xxxxxxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
arch/i386/kernel/process.c | 6 ------
1 file changed, 6 deletions(-)
diff -puN arch/i386/kernel/process.c~i386-remove-iopl-check-on-task-switch arch/i386/kernel/process.c
--- a/arch/i386/kernel/process.c~i386-remove-iopl-check-on-task-switch
+++ a/arch/i386/kernel/process.c
@@ -685,12 +685,6 @@ struct task_struct fastcall * __switch_t
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
*/
if (unlikely(task_thread_info(prev_p)->flags & _TIF_WORK_CTXSW_PREV ||
_
Patches currently in -mm which might be from 76306.1226@xxxxxxxxxxxxxx are
i386-fix-recursive-faults-during-oops-when-current.patch
i386-remove-iopl-check-on-task-switch.patch
-
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