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Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm

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* 'for-linus' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: (207 commits)
  ARM: 7267/1: Remove BUILD_BUG_ON from asm/bug.h
  ARM: 7269/1: mach-sa1100: fix sched_clock breakage
  ARM: 7198/1: arm/imx6: add restart support for imx6q
  ARM: restart: remove the now empty arch_reset()
  ARM: restart: remove comments about adding code to arch_reset()
  ARM: restart: lpc32xx & u300: remove unnecessary printk
  ARM: restart: plat-samsung: remove plat/reset.h and s5p_reset_hook
  ARM: restart: w90x900: use new restart hook
  ARM: restart: Versatile Express: use new restart hook
  ARM: restart: versatile: use new restart hook
  ARM: restart: u300: use new restart hook
  ARM: restart: tegra: use new restart hook
  ARM: restart: spear: use new restart hook
  ARM: restart: shark: use new restart hook
  ARM: restart: sa1100: use new restart hook
  ARM: 7252/1: restart: S5PV210: use new restart hook
  ARM: 7251/1: restart: S5PC100: use new restart hook
  ARM: 7250/1: restart: S5P64X0: use new restart hook
  ARM: 7266/1: restart: S3C64XX: use new restart hook
  ARM: 7265/1: restart: S3C24XX: use new restart hook
  ...

Fix up trivial conflict in arch/arm/mm/init.c due to removal of
memblock_init() clashing with the movement of the sorting of the meminfo
array.
This commit is contained in:
Linus Torvalds
2012-01-06 18:15:25 -08:00
parent d3d0b02434 7b9dd47136
commit 770e1b035d
910 changed files with 7322 additions and 10081 deletions
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79
arch/arm/kernel/process.c
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@@ -57,7 +57,7 @@ static const char *isa_modes[] = {
"ARM" , "Thumb" , "Jazelle", "ThumbEE"
};
extern void setup_mm_for_reboot(char mode);
extern void setup_mm_for_reboot(void);
static volatile int hlt_counter;
@@ -92,18 +92,24 @@ static int __init hlt_setup(char *__unused)
__setup("nohlt", nohlt_setup);
__setup("hlt", hlt_setup);
void arm_machine_restart(char mode, const char *cmd)
{
/* Disable interrupts first */
local_irq_disable();
local_fiq_disable();
extern void call_with_stack(void (*fn)(void *), void *arg, void *sp);
typedef void (*phys_reset_t)(unsigned long);
/*
* Tell the mm system that we are going to reboot -
* we may need it to insert some 1:1 mappings so that
* soft boot works.
*/
setup_mm_for_reboot(mode);
/*
* A temporary stack to use for CPU reset. This is static so that we
* don't clobber it with the identity mapping. When running with this
* stack, any references to the current task *will not work* so you
* should really do as little as possible before jumping to your reset
* code.
*/
static u64 soft_restart_stack[16];
static void __soft_restart(void *addr)
{
phys_reset_t phys_reset;
/* Take out a flat memory mapping. */
setup_mm_for_reboot();
/* Clean and invalidate caches */
flush_cache_all();
@@ -114,18 +120,35 @@ void arm_machine_restart(char mode, const char *cmd)
/* Push out any further dirty data, and ensure cache is empty */
flush_cache_all();
/*
* Now call the architecture specific reboot code.
*/
arch_reset(mode, cmd);
/* Switch to the identity mapping. */
phys_reset = (phys_reset_t)(unsigned long)virt_to_phys(cpu_reset);
phys_reset((unsigned long)addr);
/*
* Whoops - the architecture was unable to reboot.
* Tell the user!
*/
mdelay(1000);
printk("Reboot failed -- System halted\n");
while (1);
/* Should never get here. */
BUG();
}
void soft_restart(unsigned long addr)
{
u64 *stack = soft_restart_stack + ARRAY_SIZE(soft_restart_stack);
/* Disable interrupts first */
local_irq_disable();
local_fiq_disable();
/* Disable the L2 if we're the last man standing. */
if (num_online_cpus() == 1)
outer_disable();
/* Change to the new stack and continue with the reset. */
call_with_stack(__soft_restart, (void *)addr, (void *)stack);
/* Should never get here. */
BUG();
}
static void null_restart(char mode, const char *cmd)
{
}
/*
@@ -134,7 +157,7 @@ void arm_machine_restart(char mode, const char *cmd)
void (*pm_power_off)(void);
EXPORT_SYMBOL(pm_power_off);
void (*arm_pm_restart)(char str, const char *cmd) = arm_machine_restart;
void (*arm_pm_restart)(char str, const char *cmd) = null_restart;
EXPORT_SYMBOL_GPL(arm_pm_restart);
static void do_nothing(void *unused)
@@ -255,7 +278,15 @@ void machine_power_off(void)
void machine_restart(char *cmd)
{
machine_shutdown();
arm_pm_restart(reboot_mode, cmd);
/* Give a grace period for failure to restart of 1s */
mdelay(1000);
/* Whoops - the platform was unable to reboot. Tell the user! */
printk("Reboot failed -- System halted\n");
while (1);
}
void __show_regs(struct pt_regs *regs)