Commit 37324422 authored Apr 03, 2015 by Ingo Molnar

x86/fpu: Remove fpu_allocated()

It's an unnecessary obfuscation of a very simple allocation pattern.

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>

parent 071ae621

arch/x86/include/asm/fpu-internal.h

+1 −6

Original line number	Diff line number	Diff line
		@@ -569,14 +569,9 @@ static inline unsigned short get_fpu_mxcsr(struct task_struct *tsk)
		}
		}

		static bool fpu_allocated(struct fpu *fpu)
		{
		return fpu->state != NULL;
		}

		static inline int fpu_alloc(struct fpu *fpu)
		{
		if (fpu_allocated(fpu))
		if (fpu->state)
		return 0;
		fpu->state = kmem_cache_alloc(task_xstate_cachep, GFP_KERNEL);
		if (!fpu->state)