Commit f2ecfab9 authored by Benjamin LaHaise's avatar Benjamin LaHaise Committed by Linus Torvalds

[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: default avatarBenjamin LaHaise <benjamin.c.lahaise@intel.com>
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent b556b35e
...@@ -646,6 +646,7 @@ static int __cpuinit wakeup_secondary_via_INIT(int phys_apicid, unsigned int sta ...@@ -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; send_status = apic_read(APIC_ICR) & APIC_ICR_BUSY;
} while (send_status && (timeout++ < 1000)); } while (send_status && (timeout++ < 1000));
mb();
atomic_set(&init_deasserted, 1); atomic_set(&init_deasserted, 1);
num_starts = 2; num_starts = 2;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment