Commit f2ecfab9 authored Jan 11, 2006 by Benjamin LaHaise Committed by Linus Torvalds Jan 11, 2006

[PATCH] x86_64: another mb() for smpboot.c



The following is probably a good idea given that the atomic_set() isn't
a barrier here either.

Signed-off-by: Benjamin LaHaise <benjamin.c.lahaise@intel.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent b556b35e

arch/x86_64/kernel/smpboot.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -646,6 +646,7 @@ static int __cpuinit wakeup_secondary_via_INIT(int phys_apicid, unsigned int sta
		send_status = apic_read(APIC_ICR) & APIC_ICR_BUSY;
		} while (send_status && (timeout++ < 1000));

		mb();
		atomic_set(&init_deasserted, 1);

		num_starts = 2;