From: tip-bot for Thomas Gleixner <tglx@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org,
rusty@rustcorp.com.au, peterz@infradead.org,
srivatsa.bhat@linux.vnet.ibm.com, paulmck@linux.vnet.ibm.com,
vapier@gentoo.org, tglx@linutronix.de
Subject: [tip:smp/hotplug] blackfin: Use generic idle thread allocation
Date: Sat, 28 Apr 2012 02:13:24 -0700 [thread overview]
Message-ID: <tip-6bba2682c62e432eaf7b82f8ca182e8c73256e74@git.kernel.org> (raw)
In-Reply-To: <20120420124557.717064871@linutronix.de>
Commit-ID: 6bba2682c62e432eaf7b82f8ca182e8c73256e74
Gitweb: http://git.kernel.org/tip/6bba2682c62e432eaf7b82f8ca182e8c73256e74
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Fri, 20 Apr 2012 13:05:53 +0000
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Thu, 26 Apr 2012 12:06:12 +0200
blackfin: Use generic idle thread allocation
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Link: http://lkml.kernel.org/r/20120420124557.717064871@linutronix.de
---
arch/blackfin/Kconfig | 1 +
arch/blackfin/mach-common/smp.c | 19 +------------------
2 files changed, 2 insertions(+), 18 deletions(-)
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 373a690..779b9c8 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -37,6 +37,7 @@ config BLACKFIN
select GENERIC_IRQ_PROBE
select IRQ_PER_CPU if SMP
select HAVE_NMI_WATCHDOG if NMI_WATCHDOG
+ select GENERIC_SMP_IDLE_THREAD
config GENERIC_CSUM
def_bool y
diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c
index d0cddd9..00bbe67 100644
--- a/arch/blackfin/mach-common/smp.c
+++ b/arch/blackfin/mach-common/smp.c
@@ -340,27 +340,10 @@ void smp_send_stop(void)
return;
}
-int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle)
+int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *idle)
{
int ret;
- struct blackfin_cpudata *ci = &per_cpu(cpu_data, cpu);
- struct task_struct *idle = ci->idle;
- if (idle) {
- free_task(idle);
- idle = NULL;
- }
-
- if (!idle) {
- idle = fork_idle(cpu);
- if (IS_ERR(idle)) {
- printk(KERN_ERR "CPU%u: fork() failed\n", cpu);
- return PTR_ERR(idle);
- }
- ci->idle = idle;
- } else {
- init_idle(idle, cpu);
- }
secondary_stack = task_stack_page(idle) + THREAD_SIZE;
ret = platform_boot_secondary(cpu, idle);
next prev parent reply other threads:[~2012-04-28 9:13 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-20 13:05 [patch 00/18] SMP: Boot and CPU hotplug refactoring - Part 1 Thomas Gleixner
2012-04-20 13:05 ` [patch 01/18] m32r: Remove pointless function prototypes Thomas Gleixner
2012-04-28 9:01 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:05 ` [patch 02/18] smp: Add task_struct argument to __cpu_up() Thomas Gleixner
2012-04-20 13:05 ` Thomas Gleixner
2012-04-23 7:58 ` Jesper Nilsson
2012-04-23 7:58 ` Jesper Nilsson
2012-04-28 9:02 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:05 ` [patch 03/18] smp: Add generic smpboot facility Thomas Gleixner
2012-04-20 13:05 ` Thomas Gleixner
2012-04-20 20:07 ` Yinghai Lu
2012-04-20 20:07 ` Yinghai Lu
2012-04-21 2:07 ` Stephen Rothwell
2012-04-21 2:07 ` Stephen Rothwell
2012-04-28 9:04 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:05 ` [patch 04/18] smp: Provide generic idle thread allocation Thomas Gleixner
2012-04-20 13:05 ` Thomas Gleixner
2012-04-20 16:21 ` Sam Ravnborg
2012-04-20 16:21 ` Sam Ravnborg
2012-04-20 18:55 ` Thomas Gleixner
2012-04-20 18:55 ` Thomas Gleixner
2012-04-21 2:20 ` Stephen Rothwell
2012-04-21 2:20 ` Stephen Rothwell
2012-04-21 2:25 ` Frank Rowand
2012-04-21 2:25 ` Frank Rowand
2012-04-28 9:05 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:05 ` [patch 05/18] x86: Add task_struct argument to smp_ops.cpu_up Thomas Gleixner
2012-04-28 9:05 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:05 ` [patch 06/18] x86: Use generic idle thread allocation Thomas Gleixner
2012-04-28 9:06 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:05 ` [patch 07/18] powerpc: " Thomas Gleixner
2012-04-28 9:07 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-28 22:51 ` Benjamin Herrenschmidt
2012-04-20 13:05 ` [patch 08/18] ia64: " Thomas Gleixner
2012-04-28 9:08 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:05 ` [patch 09/18] arm: " Thomas Gleixner
2012-04-28 9:09 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:05 ` [patch 11/18] hexagon: " Thomas Gleixner
2012-04-24 16:47 ` Richard Kuo
2012-04-28 9:10 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:05 ` [patch 10/18] mips: " Thomas Gleixner
2012-04-28 9:10 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:05 ` [patch 12/18] s390: " Thomas Gleixner
2012-04-23 7:09 ` Martin Schwidefsky
2012-04-28 9:11 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:05 ` [patch 13/18] blackfin: " Thomas Gleixner
2012-04-28 9:13 ` tip-bot for Thomas Gleixner [this message]
2012-04-20 13:05 ` [patch 14/18] cris: " Thomas Gleixner
2012-04-23 7:57 ` Jesper Nilsson
2012-04-28 9:12 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:05 ` [patch 15/18] sh: " Thomas Gleixner
2012-04-21 3:18 ` Paul Mundt
2012-04-28 9:14 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:05 ` [patch 16/18] alpha: " Thomas Gleixner
2012-04-28 9:15 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:05 ` [patch 17/18] parisc: " Thomas Gleixner
2012-04-28 9:16 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:05 ` [patch 18/18] sparc: " Thomas Gleixner
2012-04-22 19:52 ` David Miller
2012-04-28 9:15 ` [tip:smp/hotplug] " tip-bot for Thomas Gleixner
2012-04-20 13:16 ` [patch 00/18] SMP: Boot and CPU hotplug refactoring - Part 1 Thomas Gleixner
2012-04-20 13:21 ` Peter Zijlstra
2012-04-20 13:47 ` Thomas Gleixner
2012-04-21 0:08 ` Suresh Siddha
2012-05-03 9:41 ` Thomas Gleixner
2012-05-03 23:42 ` Suresh Siddha
2012-05-03 17:43 ` [tip:smp/hotplug] smp, idle: Allocate idle thread for each possible cpu during boot tip-bot for Suresh Siddha
2012-04-20 15:42 ` [patch 00/18] SMP: Boot and CPU hotplug refactoring - Part 1 Tejun Heo
2012-04-20 15:49 ` Peter Zijlstra
2012-04-20 15:56 ` Thomas Gleixner
2012-04-20 13:56 ` Srivatsa S. Bhat
2012-04-20 14:18 ` Thomas Gleixner
2012-04-24 18:44 ` Konrad Rzeszutek Wilk
2012-05-21 1:42 ` Rusty Russell
2012-05-21 8:25 ` Thomas Gleixner
2012-05-22 0:53 ` Rusty Russell
2012-04-20 14:06 ` richard -rw- weinberger
2012-04-20 14:19 ` Thomas Gleixner
2012-04-20 14:27 ` James Bottomley
2012-04-20 17:55 ` Paul E. McKenney
2012-04-20 23:11 ` Venki Pallipadi
2012-04-21 1:04 ` Frank Rowand
2012-04-21 1:55 ` Frank Rowand
2012-04-22 21:01 ` Chris Metcalf
2012-04-22 21:01 ` Chris Metcalf
2012-04-22 21:01 ` Chris Metcalf
2012-04-30 8:05 ` Santosh Shilimkar
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