x86/fpu: Optimize fpu__unlazy_stopped()
authorIngo Molnar <mingo@kernel.org>
Fri, 3 Apr 2015 10:28:15 +0000 (12:28 +0200)
committerIngo Molnar <mingo@kernel.org>
Tue, 19 May 2015 13:47:11 +0000 (15:47 +0200)
commit8694c3e793810de3f7ff612d0fc23b70dc5a7e4d
treef01bdbcf89771d3ac398166d746ce9ed88c95885
parent67e97fc2ec575adaacca296834f9ea0e1e34b563
x86/fpu: Optimize fpu__unlazy_stopped()

This function is only called for stopped child tasks, so the
fpu__save() branch will never get called - remove it.

Reviewed-by: Borislav Petkov <bp@alien8.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/i387.c