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sched/x86_64: Don't save flags on context switch
Now that the kernel always runs with clean flags (in particular, NT is clear), there is no need to save and restore flags on every context switch. Signed-off-by: Andy Lutomirski <luto@amacapital.net> Cc: Sebastian Lackner <sebastian@fds-team.de> Cc: Anish Bhatt <anish@chelsio.com> Cc: Chuck Ebbert <cebbert.lkml@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Jan Beulich <jbeulich@suse.com> Link: http://lkml.kernel.org/r/bf6fb790787eb95b922157838f52712c25dda157.1412187233.git.luto@amacapital.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
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