From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
linuxppc-dev@ozlabs.org
Subject: [patch 09/16] powerpc: Replace old style lock initializer
Date: Fri, 06 Nov 2009 22:41:46 -0000 [thread overview]
Message-ID: <20091106223806.762624109@linutronix.de> (raw)
In-Reply-To: 20091106223547.784916750@linutronix.de
[-- Attachment #1: power-replace-old-style-lock-init.patch --]
[-- Type: text/plain, Size: 1192 bytes --]
SPIN_LOCK_UNLOCKED is deprecated. Init the lock array at runtime
instead.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org
---
arch/powerpc/platforms/iseries/htab.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
Index: linux-2.6/arch/powerpc/platforms/iseries/htab.c
===================================================================
--- linux-2.6.orig/arch/powerpc/platforms/iseries/htab.c
+++ linux-2.6/arch/powerpc/platforms/iseries/htab.c
@@ -19,8 +19,7 @@
#include "call_hpt.h"
-static spinlock_t iSeries_hlocks[64] __cacheline_aligned_in_smp =
- { [0 ... 63] = SPIN_LOCK_UNLOCKED};
+static spinlock_t iSeries_hlocks[64] __cacheline_aligned_in_smp;
/*
* Very primitive algorithm for picking up a lock
@@ -245,6 +244,11 @@ static void iSeries_hpte_invalidate(unsi
void __init hpte_init_iSeries(void)
{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(iSeries_hlocks); i++)
+ spin_lock_init(&iSeries_hlocks[i]);
+
ppc_md.hpte_invalidate = iSeries_hpte_invalidate;
ppc_md.hpte_updatepp = iSeries_hpte_updatepp;
ppc_md.hpte_updateboltedpp = iSeries_hpte_updateboltedpp;
next prev parent reply other threads:[~2009-11-06 22:43 UTC|newest]
Thread overview: 34+ 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
2009-11-07 6:16 ` David Miller
2009-11-06 22:41 ` Thomas Gleixner [this message]
2009-11-06 22:55 ` [patch 09/16] powerpc: Replace old style lock initializer Benjamin Herrenschmidt
2009-11-08 7:55 ` Stephen Rothwell
2009-11-09 5:15 ` Stephen Rothwell
2009-11-09 8:53 ` Benjamin Herrenschmidt
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 ` [patch 13/16] sh: " Thomas Gleixner
2009-11-09 1:49 ` Paul Mundt
2009-11-06 22:42 ` [patch 14/16] sparc: " Thomas Gleixner
2009-11-07 6:18 ` David Miller
2009-11-07 6:20 ` David Miller
2009-11-07 12:16 ` Thomas Gleixner
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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