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-rw-r--r--arch/arm/kernel/apm.c4
-rw-r--r--arch/arm/kernel/asm-offsets.c4
-rw-r--r--arch/arm/kernel/bios32.c4
-rw-r--r--arch/arm/kernel/compat.c2
-rw-r--r--arch/arm/kernel/compat.h13
-rw-r--r--arch/arm/kernel/debug.S1
-rw-r--r--arch/arm/kernel/ecard.c4
-rw-r--r--arch/arm/kernel/entry-armv.S2
-rw-r--r--arch/arm/kernel/head.S7
-rw-r--r--arch/arm/kernel/irq.c11
-rw-r--r--arch/arm/kernel/process.c3
-rw-r--r--arch/arm/kernel/ptrace.c14
-rw-r--r--arch/arm/kernel/setup.c5
-rw-r--r--arch/arm/kernel/time.c10
14 files changed, 47 insertions, 37 deletions
diff --git a/arch/arm/kernel/apm.c b/arch/arm/kernel/apm.c
index 766b6c0..2bed290 100644
--- a/arch/arm/kernel/apm.c
+++ b/arch/arm/kernel/apm.c
@@ -357,10 +357,8 @@ static int apm_open(struct inode * inode, struct file * filp)
{
struct apm_user *as;
- as = (struct apm_user *)kmalloc(sizeof(*as), GFP_KERNEL);
+ as = (struct apm_user *)kzalloc(sizeof(*as), GFP_KERNEL);
if (as) {
- memset(as, 0, sizeof(*as));
-
/*
* XXX - this is a tiny bit broken, when we consider BSD
* process accounting. If the device is opened by root, we
diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
index 0abbce8..b324dca 100644
--- a/arch/arm/kernel/asm-offsets.c
+++ b/arch/arm/kernel/asm-offsets.c
@@ -57,7 +57,9 @@ int main(void)
DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value));
DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate));
DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate));
- DEFINE(TI_IWMMXT_STATE, (offsetof(struct thread_info, fpstate)+4)&~7);
+#ifdef CONFIG_IWMMXT
+ DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt));
+#endif
BLANK();
DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0));
DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1));
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index c4923fa..de606df 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -540,12 +540,10 @@ static void __init pcibios_init_hw(struct hw_pci *hw)
int nr, busnr;
for (nr = busnr = 0; nr < hw->nr_controllers; nr++) {
- sys = kmalloc(sizeof(struct pci_sys_data), GFP_KERNEL);
+ sys = kzalloc(sizeof(struct pci_sys_data), GFP_KERNEL);
if (!sys)
panic("PCI: unable to allocate sys data!");
- memset(sys, 0, sizeof(struct pci_sys_data));
-
sys->hw = hw;
sys->busnr = busnr;
sys->swizzle = hw->swizzle;
diff --git a/arch/arm/kernel/compat.c b/arch/arm/kernel/compat.c
index 7195add..60cfa7f 100644
--- a/arch/arm/kernel/compat.c
+++ b/arch/arm/kernel/compat.c
@@ -27,6 +27,8 @@
#include <asm/mach/arch.h>
+#include "compat.h"
+
/*
* Usage:
* - do not go blindly adding fields, add them at the end
diff --git a/arch/arm/kernel/compat.h b/arch/arm/kernel/compat.h
new file mode 100644
index 0000000..27e61a6
--- /dev/null
+++ b/arch/arm/kernel/compat.h
@@ -0,0 +1,13 @@
+/*
+ * linux/arch/arm/kernel/compat.h
+ *
+ * Copyright (C) 2001 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+extern void convert_to_tag_list(struct tag *tags);
+
+extern void squash_mem_tags(struct tag *tag);
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index caaa919..da280ba 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -11,7 +11,6 @@
*/
#include <linux/config.h>
#include <linux/linkage.h>
-#include <asm/hardware.h>
.text
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index 74ea29c..00aa225 100644
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -807,14 +807,12 @@ static struct expansion_card *__init ecard_alloc_card(int type, int slot)
unsigned long base;
int i;
- ec = kmalloc(sizeof(ecard_t), GFP_KERNEL);
+ ec = kzalloc(sizeof(ecard_t), GFP_KERNEL);
if (!ec) {
ec = ERR_PTR(-ENOMEM);
goto nomem;
}
- memset(ec, 0, sizeof(ecard_t));
-
ec->slot_no = slot;
ec->type = type;
ec->irq = NO_IRQ;
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index ec48d70..355914f 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -484,7 +484,6 @@ call_fpe:
movcss r7, r5, lsr #(TIF_USING_IWMMXT + 1)
bcs iwmmxt_task_enable
#endif
- enable_irq
add pc, pc, r8, lsr #6
mov r0, r0
@@ -511,6 +510,7 @@ call_fpe:
mov pc, lr @ CP#15 (Control)
do_fpe:
+ enable_irq
ldr r4, .LCfp
add r10, r10, #TI_FPSTATE @ r10 = workspace
ldr pc, [r4] @ Call FP module USR entry point
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 1aca1775..84277fe 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -28,10 +28,9 @@
#define PROCINFO_INITFUNC 12
#define MACHINFO_TYPE 0
-#define MACHINFO_PHYSRAM 4
-#define MACHINFO_PHYSIO 8
-#define MACHINFO_PGOFFIO 12
-#define MACHINFO_NAME 16
+#define MACHINFO_PHYSIO 4
+#define MACHINFO_PGOFFIO 8
+#define MACHINFO_NAME 12
#define KERNEL_RAM_ADDR (PAGE_OFFSET + TEXT_OFFSET)
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 1d50d2b..2d5896b 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -305,14 +305,19 @@ report_bad_irq(unsigned int irq, struct pt_regs *regs, struct irqdesc *desc, int
static int count = 100;
struct irqaction *action;
- if (!count || noirqdebug)
+ if (noirqdebug)
return;
- count--;
-
if (ret != IRQ_HANDLED && ret != IRQ_NONE) {
+ if (!count)
+ return;
+ count--;
printk("irq%u: bogus retval mask %x\n", irq, ret);
} else {
+ desc->irqs_unhandled++;
+ if (desc->irqs_unhandled <= 99900)
+ return;
+ desc->irqs_unhandled = 0;
printk("irq%u: nobody cared\n", irq);
}
show_regs(regs);
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 4b4e4cf..489c069 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -27,6 +27,7 @@
#include <linux/kallsyms.h>
#include <linux/init.h>
#include <linux/cpu.h>
+#include <linux/elfcore.h>
#include <asm/leds.h>
#include <asm/processor.h>
@@ -83,7 +84,7 @@ EXPORT_SYMBOL(pm_power_off);
* This is our default idle handler. We need to disable
* interrupts here to ensure we don't miss a wakeup call.
*/
-void default_idle(void)
+static void default_idle(void)
{
if (hlt_counter)
cpu_relax();
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 7b6256b..a1d1b29 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -610,15 +610,12 @@ static int ptrace_setfpregs(struct task_struct *tsk, void __user *ufp)
static int ptrace_getwmmxregs(struct task_struct *tsk, void __user *ufp)
{
struct thread_info *thread = task_thread_info(tsk);
- void *ptr = &thread->fpstate;
if (!test_ti_thread_flag(thread, TIF_USING_IWMMXT))
return -ENODATA;
iwmmxt_task_disable(thread); /* force it to ram */
- /* The iWMMXt state is stored doubleword-aligned. */
- if (((long) ptr) & 4)
- ptr += 4;
- return copy_to_user(ufp, ptr, 0x98) ? -EFAULT : 0;
+ return copy_to_user(ufp, &thread->fpstate.iwmmxt, IWMMXT_SIZE)
+ ? -EFAULT : 0;
}
/*
@@ -627,15 +624,12 @@ static int ptrace_getwmmxregs(struct task_struct *tsk, void __user *ufp)
static int ptrace_setwmmxregs(struct task_struct *tsk, void __user *ufp)
{
struct thread_info *thread = task_thread_info(tsk);
- void *ptr = &thread->fpstate;
if (!test_ti_thread_flag(thread, TIF_USING_IWMMXT))
return -EACCES;
iwmmxt_task_release(thread); /* force a reload */
- /* The iWMMXt state is stored doubleword-aligned. */
- if (((long) ptr) & 4)
- ptr += 4;
- return copy_from_user(ptr, ufp, 0x98) ? -EFAULT : 0;
+ return copy_from_user(&thread->fpstate.iwmmxt, ufp, IWMMXT_SIZE)
+ ? -EFAULT : 0;
}
#endif
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 68273b4..08974cb 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -37,6 +37,8 @@
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
+#include "compat.h"
+
#ifndef MEM_SIZE
#define MEM_SIZE (16*1024*1024)
#endif
@@ -53,10 +55,7 @@ static int __init fpe_setup(char *line)
__setup("fpe=", fpe_setup);
#endif
-extern unsigned int mem_fclk_21285;
extern void paging_init(struct meminfo *, struct machine_desc *desc);
-extern void convert_to_tag_list(struct tag *tags);
-extern void squash_mem_tags(struct tag *tag);
extern void reboot_setup(char *str);
extern int root_mountflags;
extern void _stext, _text, _etext, __data_start, _edata, _end;
diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index d7d932c..d6bd435 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -422,12 +422,14 @@ static int timer_dyn_tick_disable(void)
void timer_dyn_reprogram(void)
{
struct dyn_tick_timer *dyn_tick = system_timer->dyn_tick;
+ unsigned long next, seq;
- if (dyn_tick) {
- write_seqlock(&xtime_lock);
- if (dyn_tick->state & DYN_TICK_ENABLED)
+ if (dyn_tick && (dyn_tick->state & DYN_TICK_ENABLED)) {
+ next = next_timer_interrupt();
+ do {
+ seq = read_seqbegin(&xtime_lock);
dyn_tick->reprogram(next_timer_interrupt() - jiffies);
- write_sequnlock(&xtime_lock);
+ } while (read_seqretry(&xtime_lock, seq));
}
}
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