[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20120322112852.17063.4629.stgit@srivatsabhat.in.ibm.com>
Date: Thu, 22 Mar 2012 16:58:59 +0530
From: "Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
To: rkuo@...eaurora.org, tglx@...utronix.de, linas@...eaurora.org,
mingo@...e.hu, a.p.zijlstra@...llo.nl, dhowells@...hat.com,
yasutake.koichi@...panasonic.com, akpm@...ux-foundation.org,
benh@...nel.crashing.org, jesper.nilsson@...s.com,
cmetcalf@...era.com, linux@....linux.org.uk, jejb@...isc-linux.org,
deller@....de, vapier@...too.org
Cc: "Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
linux-hexagon@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-am33-list@...hat.com, linux-parisc@...r.kernel.org
Subject: [PATCH 3/4] parisc/CPU hotplug: Add missing call to
notify_cpu_starting()
The scheduler depends on receiving the CPU_STARTING notification, without
which we end up into a lot of trouble. So add the missing call to
notify_cpu_starting() in the bringup code.
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@...ux.vnet.ibm.com>
---
arch/parisc/kernel/smp.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 32d5884..50a4581 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -297,8 +297,13 @@ smp_cpu_init(int cpunum)
printk(KERN_CRIT "CPU#%d already initialized!\n", cpunum);
machine_halt();
- }
+ }
+
+ notify_cpu_starting(cpunum);
+
+ ipi_call_lock();
set_cpu_online(cpunum, true);
+ ipi_call_unlock();
/* Initialise the idle task for this CPU */
atomic_inc(&init_mm.mm_count);
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists