Commit 89025282 authored Jan 26, 2009 by Cyrill Gorcunov Committed by Ingo Molnar Jan 27, 2009

x86: ftrace - simplify wait_for_nmi



Get rid of 'waited' stack variable.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 4a66a82b

arch/x86/kernel/ftrace.c

+5 −6

Original line number	Diff line number	Diff line
		@@ -133,14 +133,13 @@ void ftrace_nmi_exit(void)

		static void wait_for_nmi(void)
		{
		int waited = 0;
		if (!atomic_read(&in_nmi))
		return;

		while (atomic_read(&in_nmi)) {
		waited = 1;
		do {
		cpu_relax();
		}
		} while(atomic_read(&in_nmi));

		if (waited)
		nmi_wait_count++;
		}