From: Sergei Shtylyov <sshtylyov@ru•mvista.com>
To: mingo@elte•hu
Cc: linuxppc-dev@ozlabs•org, linux-kernel@vger•kernel.org,
dwalker@mvista•com
Subject: [PATCH] (2.6.20-rt3) PowerPC: convert spinlocks into raw
Date: Tue, 6 Feb 2007 20:26:40 +0300 [thread overview]
Message-ID: <200702062026.40875.sshtylyov@ru.mvista.com> (raw)
Convert the spinlocks in the PowerPC interrupt related code into the raw ones,
also convert the PURR and PMC related spinlocks...
Signed-off-by: Mark A. Greer <mgreer@mvista•com>
Signed-off-by: Sergei Shtylyov <sshtylyov@ru•mvista.com>
Index: linux-2.6/arch/powerpc/kernel/irq.c
===================================================================
--- linux-2.6.orig/arch/powerpc/kernel/irq.c
+++ linux-2.6/arch/powerpc/kernel/irq.c
@@ -392,7 +392,7 @@ EXPORT_SYMBOL(do_softirq);
#ifdef CONFIG_PPC_MERGE
static LIST_HEAD(irq_hosts);
-static spinlock_t irq_big_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_RAW_SPINLOCK(irq_big_lock);
static DEFINE_PER_CPU(unsigned int, irq_radix_reader);
static unsigned int irq_radix_writer;
struct irq_map_entry irq_map[NR_IRQS];
Index: linux-2.6/arch/powerpc/kernel/pmc.c
===================================================================
--- linux-2.6.orig/arch/powerpc/kernel/pmc.c
+++ linux-2.6/arch/powerpc/kernel/pmc.c
@@ -52,7 +52,7 @@ static void dummy_perf(struct pt_regs *r
}
#endif
-static DEFINE_SPINLOCK(pmc_owner_lock);
+static DEFINE_RAW_SPINLOCK(pmc_owner_lock);
static void *pmc_owner_caller; /* mostly for debugging */
perf_irq_t perf_irq = dummy_perf;
Index: linux-2.6/arch/powerpc/kernel/time.c
===================================================================
--- linux-2.6.orig/arch/powerpc/kernel/time.c
+++ linux-2.6/arch/powerpc/kernel/time.c
@@ -223,7 +223,7 @@ struct cpu_purr_data {
int initialized; /* thread is running */
u64 tb; /* last TB value read */
u64 purr; /* last PURR value read */
- spinlock_t lock;
+ raw_spinlock_t lock;
};
static DEFINE_PER_CPU(struct cpu_purr_data, cpu_purr_data);
Index: linux-2.6/arch/powerpc/sysdev/i8259.c
===================================================================
--- linux-2.6.orig/arch/powerpc/sysdev/i8259.c
+++ linux-2.6/arch/powerpc/sysdev/i8259.c
@@ -23,7 +23,7 @@ static unsigned char cached_8259[2] = {
#define cached_A1 (cached_8259[0])
#define cached_21 (cached_8259[1])
-static DEFINE_SPINLOCK(i8259_lock);
+static DEFINE_RAW_SPINLOCK(i8259_lock);
static struct device_node *i8259_node;
static struct irq_host *i8259_host;
Index: linux-2.6/arch/powerpc/sysdev/ipic.c
===================================================================
--- linux-2.6.orig/arch/powerpc/sysdev/ipic.c
+++ linux-2.6/arch/powerpc/sysdev/ipic.c
@@ -30,7 +30,7 @@
#include "ipic.h"
static struct ipic * primary_ipic;
-static DEFINE_SPINLOCK(ipic_lock);
+static DEFINE_RAW_SPINLOCK(ipic_lock);
static struct ipic_info ipic_info[] = {
[9] = {
Index: linux-2.6/arch/powerpc/sysdev/mpic.c
===================================================================
--- linux-2.6.orig/arch/powerpc/sysdev/mpic.c
+++ linux-2.6/arch/powerpc/sysdev/mpic.c
@@ -44,7 +44,7 @@
static struct mpic *mpics;
static struct mpic *mpic_primary;
-static DEFINE_SPINLOCK(mpic_lock);
+static DEFINE_RAW_SPINLOCK(mpic_lock);
#ifdef CONFIG_PPC32 /* XXX for now */
#ifdef CONFIG_IRQ_ALL_CPUS
Index: linux-2.6/include/asm-powerpc/mpic.h
===================================================================
--- linux-2.6.orig/include/asm-powerpc/mpic.h
+++ linux-2.6/include/asm-powerpc/mpic.h
@@ -279,7 +279,7 @@ struct mpic
#ifdef CONFIG_MPIC_BROKEN_U3
/* The fixup table */
struct mpic_irq_fixup *fixups;
- spinlock_t fixup_lock;
+ raw_spinlock_t fixup_lock;
#endif
/* Register access method */
next reply other threads:[~2007-02-06 17:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-06 17:26 Sergei Shtylyov [this message]
2007-02-06 20:24 ` [PATCH] (2.6.20-rt3) PowerPC: convert spinlocks into raw Benjamin Herrenschmidt
2007-02-07 12:39 ` Sergei Shtylyov
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