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authorDavid S. Miller <davem@davemloft.net>2010-01-23 00:31:06 -0800
committerDavid S. Miller <davem@davemloft.net>2010-01-23 00:31:06 -0800
commit51c24aaacaea90c8e87f1dec75a2ac7622b593f8 (patch)
tree9f54936c87764bef75e97395cb56b7d1e0df24c6 /arch/arm/kernel
parent4276e47e2d1c85a2477caf0d22b91c4f2377fba8 (diff)
parent6be325719b3e54624397e413efd4b33a997e55a3 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/crunch.c2
-rw-r--r--arch/arm/kernel/debug.S20
-rw-r--r--arch/arm/kernel/dma-isa.c4
-rw-r--r--arch/arm/kernel/elf.c9
-rw-r--r--arch/arm/kernel/entry-armv.S4
-rw-r--r--arch/arm/kernel/process.c15
-rw-r--r--arch/arm/kernel/xscale-cp0.c2
7 files changed, 32 insertions, 24 deletions
diff --git a/arch/arm/kernel/crunch.c b/arch/arm/kernel/crunch.c
index 769abe15cf9..25ef223ba7f 100644
--- a/arch/arm/kernel/crunch.c
+++ b/arch/arm/kernel/crunch.c
@@ -51,7 +51,7 @@ static int crunch_do(struct notifier_block *self, unsigned long cmd, void *t)
* initialised state information on the first fault.
*/
- case THREAD_NOTIFY_RELEASE:
+ case THREAD_NOTIFY_EXIT:
crunch_task_release(thread);
break;
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index b121b6053cc..5c91addcaeb 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -49,6 +49,26 @@
1002:
.endm
+#elif defined(CONFIG_CPU_V7)
+
+ .macro addruart, rx
+ .endm
+
+ .macro senduart, rd, rx
+ mcr p14, 0, \rd, c0, c5, 0
+ .endm
+
+ .macro busyuart, rd, rx
+busy: mrc p14, 0, pc, c0, c1, 0
+ bcs busy
+ .endm
+
+ .macro waituart, rd, rx
+wait: mrc p14, 0, pc, c0, c1, 0
+ bcs wait
+
+ .endm
+
#elif defined(CONFIG_CPU_XSCALE)
.macro addruart, rx
diff --git a/arch/arm/kernel/dma-isa.c b/arch/arm/kernel/dma-isa.c
index 0e88e46fc73..360bb6d701f 100644
--- a/arch/arm/kernel/dma-isa.c
+++ b/arch/arm/kernel/dma-isa.c
@@ -207,8 +207,6 @@ void __init isa_init_dma(void)
outb(0x32, 0x4d6);
outb(0x33, 0x4d6);
- request_dma(DMA_ISA_CASCADE, "cascade");
-
for (i = 0; i < ARRAY_SIZE(dma_resources); i++)
request_resource(&ioport_resource, dma_resources + i);
@@ -218,5 +216,7 @@ void __init isa_init_dma(void)
printk(KERN_ERR "ISADMA%u: unable to register: %d\n",
chan, ret);
}
+
+ request_dma(DMA_ISA_CASCADE, "cascade");
}
}
diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c
index 950391f194c..d4a0da1e48f 100644
--- a/arch/arm/kernel/elf.c
+++ b/arch/arm/kernel/elf.c
@@ -78,15 +78,6 @@ int arm_elf_read_implies_exec(const struct elf32_hdr *x, int executable_stack)
return 1;
if (cpu_architecture() < CPU_ARCH_ARMv6)
return 1;
-#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
- /*
- * If we have support for OABI programs, we can never allow NX
- * support - our signal syscall restart mechanism relies upon
- * being able to execute code placed on the user stack.
- */
- return 1;
-#else
return 0;
-#endif
}
EXPORT_SYMBOL(arm_elf_read_implies_exec);
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index d2903e3bc86..6c5cf369183 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -957,9 +957,7 @@ kuser_cmpxchg_fixup:
#else
-#ifdef CONFIG_SMP
- mcr p15, 0, r0, c7, c10, 5 @ dmb
-#endif
+ smp_dmb
1: ldrex r3, [r2]
subs r3, r3, r0
strexeq r3, r1, [r2]
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 0d96d0171c0..ba2adefa53f 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -212,7 +212,8 @@ void __show_regs(struct pt_regs *regs)
char buf[64];
printk("CPU: %d %s (%s %.*s)\n",
- smp_processor_id(), print_tainted(), init_utsname()->release,
+ raw_smp_processor_id(), print_tainted(),
+ init_utsname()->release,
(int)strcspn(init_utsname()->version, " "),
init_utsname()->version);
print_symbol("PC is at %s\n", instruction_pointer(regs));
@@ -274,17 +275,18 @@ void show_regs(struct pt_regs * regs)
__backtrace();
}
+ATOMIC_NOTIFIER_HEAD(thread_notify_head);
+
+EXPORT_SYMBOL_GPL(thread_notify_head);
+
/*
* Free current thread data structures etc..
*/
void exit_thread(void)
{
+ thread_notify(THREAD_NOTIFY_EXIT, current_thread_info());
}
-ATOMIC_NOTIFIER_HEAD(thread_notify_head);
-
-EXPORT_SYMBOL_GPL(thread_notify_head);
-
void flush_thread(void)
{
struct thread_info *thread = current_thread_info();
@@ -299,9 +301,6 @@ void flush_thread(void)
void release_thread(struct task_struct *dead_task)
{
- struct thread_info *thread = task_thread_info(dead_task);
-
- thread_notify(THREAD_NOTIFY_RELEASE, thread);
}
asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
diff --git a/arch/arm/kernel/xscale-cp0.c b/arch/arm/kernel/xscale-cp0.c
index 17127db906f..1796157e3dd 100644
--- a/arch/arm/kernel/xscale-cp0.c
+++ b/arch/arm/kernel/xscale-cp0.c
@@ -70,7 +70,7 @@ static int iwmmxt_do(struct notifier_block *self, unsigned long cmd, void *t)
* initialised state information on the first fault.
*/
- case THREAD_NOTIFY_RELEASE:
+ case THREAD_NOTIFY_EXIT:
iwmmxt_task_release(thread);
break;