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From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>,
	Peter Zijlstra <peterz@infradead.org>,
	Kyle McMartin <kyle@mcmartin.ca>,
	linux-parisc@vger.kernel.org
Subject: [patch 10/16] parisc: Replace old style lock init
Date: Fri, 06 Nov 2009 22:41:51 -0000	[thread overview]
Message-ID: <20091106223806.803538964@linutronix.de> (raw)
In-Reply-To: 20091106223547.784916750@linutronix.de

SPIN_LOCK_UNLOCKED is deprecated. Init the per cpu locks at runtime
instead.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: linux-parisc@vger.kernel.org
---
 arch/parisc/kernel/smp.c |    9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

Index: linux-2.6/arch/parisc/kernel/smp.c
===================================================================
--- linux-2.6.orig/arch/parisc/kernel/smp.c
+++ linux-2.6/arch/parisc/kernel/smp.c
@@ -60,8 +60,6 @@ static int smp_debug_lvl = 0;
 #define smp_debug(lvl, ...)	do { } while(0)
 #endif /* DEBUG_SMP */
 
-DEFINE_SPINLOCK(smp_lock);
-
 volatile struct task_struct *smp_init_current_idle_task;
 
 /* track which CPU is booting */
@@ -69,7 +67,7 @@ static volatile int cpu_now_booting __cp
 
 static int parisc_max_cpus __cpuinitdata = 1;
 
-DEFINE_PER_CPU(spinlock_t, ipi_lock) = SPIN_LOCK_UNLOCKED;
+static DEFINE_PER_CPU(spinlock_t, ipi_lock);
 
 enum ipi_message_type {
 	IPI_NOP=0,
@@ -438,6 +436,11 @@ void __init smp_prepare_boot_cpu(void)
 */
 void __init smp_prepare_cpus(unsigned int max_cpus)
 {
+	int cpu;
+
+	for_each_possible_cpu(cpu)
+		spin_lock_init(&per_cpu(ipi_lock, cpu));
+
 	init_cpu_present(cpumask_of(0));
 
 	parisc_max_cpus = max_cpus;



WARNING: multiple messages have this Message-ID (diff)
From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>,
	Peter Zijlstra <peterz@infradead.org>,
	Kyle McMartin <kyle@mcmartin.ca>,
	linux-parisc@vger.kernel.org
Subject: [patch 10/16] parisc: Replace old style lock init
Date: Fri, 06 Nov 2009 22:41:51 -0000	[thread overview]
Message-ID: <20091106223806.803538964@linutronix.de> (raw)
In-Reply-To: 20091106223547.784916750@linutronix.de

[-- Attachment #1: parisc-replace-old-style-lock-init.patch --]
[-- Type: text/plain, Size: 1266 bytes --]

SPIN_LOCK_UNLOCKED is deprecated. Init the per cpu locks at runtime
instead.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: linux-parisc@vger.kernel.org
---
 arch/parisc/kernel/smp.c |    9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

Index: linux-2.6/arch/parisc/kernel/smp.c
===================================================================
--- linux-2.6.orig/arch/parisc/kernel/smp.c
+++ linux-2.6/arch/parisc/kernel/smp.c
@@ -60,8 +60,6 @@ static int smp_debug_lvl = 0;
 #define smp_debug(lvl, ...)	do { } while(0)
 #endif /* DEBUG_SMP */
 
-DEFINE_SPINLOCK(smp_lock);
-
 volatile struct task_struct *smp_init_current_idle_task;
 
 /* track which CPU is booting */
@@ -69,7 +67,7 @@ static volatile int cpu_now_booting __cp
 
 static int parisc_max_cpus __cpuinitdata = 1;
 
-DEFINE_PER_CPU(spinlock_t, ipi_lock) = SPIN_LOCK_UNLOCKED;
+static DEFINE_PER_CPU(spinlock_t, ipi_lock);
 
 enum ipi_message_type {
 	IPI_NOP=0,
@@ -438,6 +436,11 @@ void __init smp_prepare_boot_cpu(void)
 */
 void __init smp_prepare_cpus(unsigned int max_cpus)
 {
+	int cpu;
+
+	for_each_possible_cpu(cpu)
+		spin_lock_init(&per_cpu(ipi_lock, cpu));
+
 	init_cpu_present(cpumask_of(0));
 
 	parisc_max_cpus = max_cpus;



  parent reply	other threads:[~2009-11-06 22:41 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-06 22:41 [patch 00/16] Remove old style lock initializers Thomas Gleixner
2009-11-06 22:41 ` [patch 01/16] arm: Replace old style lock initializer Thomas Gleixner
2009-11-06 22:41 ` [patch 02/16] mips: Replace old style spin " Thomas Gleixner
2009-11-06 22:41 ` [patch 03/16] net: Replace old style " Thomas Gleixner
2009-11-07  6:17   ` David Miller
2009-11-06 22:41 ` [patch 04/16] cred: " Thomas Gleixner
2009-11-06 22:41 ` [patch 05/16] pci: " Thomas Gleixner
2009-11-06 23:06   ` Jesse Barnes
2009-11-06 22:41 ` [patch 06/16] sound: " Thomas Gleixner
2009-11-07  9:20   ` Takashi Iwai
2009-11-06 22:41 ` [patch 07/16] um: " Thomas Gleixner
2009-11-09  2:13   ` Américo Wang
2009-11-06 22:41 ` [patch 08/16] sparc: Make atomic locks raw Thomas Gleixner
2009-11-06 22:41   ` Thomas Gleixner
2009-11-07  6:16   ` David Miller
2009-11-07  6:16     ` David Miller
2009-11-06 22:41 ` [patch 09/16] powerpc: Replace old style lock initializer Thomas Gleixner
2009-11-06 22:41   ` Thomas Gleixner
2009-11-06 22:55   ` Benjamin Herrenschmidt
2009-11-06 22:55     ` Benjamin Herrenschmidt
2009-11-08  7:55     ` Stephen Rothwell
2009-11-08  7:55       ` Stephen Rothwell
2009-11-09  5:15     ` Stephen Rothwell
2009-11-09  5:15       ` Stephen Rothwell
2009-11-09  8:53       ` Benjamin Herrenschmidt
2009-11-09  8:53         ` Benjamin Herrenschmidt
2009-11-06 22:41 ` Thomas Gleixner [this message]
2009-11-06 22:41   ` [patch 10/16] parisc: Replace old style lock init Thomas Gleixner
2009-11-08  5:06   ` Kyle McMartin
2009-11-08 16:11     ` Thomas Gleixner
2009-11-06 22:41 ` [patch 11/16] alpha: Replace old style lock initializer Thomas Gleixner
2009-11-06 22:42 ` [patch 12/16] ia64: " Thomas Gleixner
2009-11-06 22:42   ` Thomas Gleixner
2009-11-06 22:42 ` [patch 13/16] sh: " Thomas Gleixner
2009-11-06 22:42   ` Thomas Gleixner
2009-11-09  1:49   ` Paul Mundt
2009-11-09  1:49     ` Paul Mundt
2009-11-06 22:42 ` [patch 14/16] sparc: " Thomas Gleixner
2009-11-06 22:42   ` Thomas Gleixner
2009-11-07  6:18   ` David Miller
2009-11-07  6:18     ` David Miller
2009-11-07  6:20     ` David Miller
2009-11-07  6:20       ` David Miller
2009-11-07 12:16       ` Thomas Gleixner
2009-11-07 12:16         ` Thomas Gleixner
2009-11-08  6:45         ` David Miller
2009-11-08  6:45           ` David Miller
2009-11-06 22:42 ` [patch 15/16] xtensa: " Thomas Gleixner
2009-11-10  9:34   ` Chris Zankel
2009-11-06 22:42 ` [patch 16/16] locking: Remove old style lock initializers Thomas Gleixner

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