Commit 8c898126 authored Dec 07, 2006 by Chuck Ebbert Committed by Andi Kleen Dec 07, 2006

[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>

parent 516d2836

arch/i386/kernel/process.c

+0 −6

Original line number	Diff line number	Diff line
		@@ -674,12 +674,6 @@ struct task_struct fastcall * __switch_to(struct task_struct *prev_p, struct tas

		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
		*/