* '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.
F: arch/arm/mach-shmobile/
F: drivers/sh/
- ARM/TELECHIPS ARM ARCHITECTURE
- S: Maintained
- F: arch/arm/plat-tcc/
- F: arch/arm/mach-tcc8k/
-
ARM/TECHNOLOGIC SYSTEMS TS7250 MACHINE SUPPORT
CAN NETWORK LAYER
-W: http://developer.berlios.de/projects/socketcan/
+W: http://gitorious.org/linux-can
+T: git git://gitorious.org/linux-can/linux-can-next.git
S: Maintained
F: net/can/
F: include/linux/can.h
CAN NETWORK DRIVERS
-W: http://developer.berlios.de/projects/socketcan/
+W: http://gitorious.org/linux-can
+T: git git://gitorious.org/linux-can/linux-can-next.git
S: Maintained
F: drivers/net/can/
F: include/linux/can/dev.h
W: http://www.penguinppc.org/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx.git
+T: git git://git.infradead.org/users/jwboyer/powerpc-4xx.git
S: Maintained
F: arch/powerpc/platforms/40x/
F: arch/powerpc/platforms/44x/
T: git git://openrisc.net/~jonas/linux
F: arch/openrisc
+OPENVSWITCH
+W: http://openvswitch.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitch.git
+S: Maintained
+F: net/openvswitch/
+
OPL4 DRIVER
F: drivers/scsi/qla4xxx/
QLOGIC QLA3XXX NETWORK DRIVER
SFC NETWORK DRIVER
S: Supported
S: Maintained
F: net/ipv4/tcp_lp.c
+TEAM DRIVER
+S: Supported
+F: drivers/net/team/
+F: include/linux/if_team.h
+
TEGRA SUPPORT
"ARM" , "Thumb" , "Jazelle", "ThumbEE"
};
- extern void setup_mm_for_reboot(char mode);
+ extern void setup_mm_for_reboot(void);
static volatile int hlt_counter;
__setup("nohlt", nohlt_setup);
__setup("hlt", hlt_setup);
- void arm_machine_restart(char mode, const char *cmd)
+ extern void call_with_stack(void (*fn)(void *), void *arg, void *sp);
+ typedef void (*phys_reset_t)(unsigned long);
+
+ /*
+ * 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)
{
- /* Disable interrupts first */
- local_irq_disable();
- local_fiq_disable();
+ phys_reset_t phys_reset;
- /*
- * 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);
+ /* Take out a flat memory mapping. */
+ setup_mm_for_reboot();
/* Clean and invalidate caches */
flush_cache_all();
/* 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)
+ {
}
/*
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)
/* endless idle loop with no priority at all */
while (1) {
- tick_nohz_stop_sched_tick(1);
+ tick_nohz_idle_enter();
+ rcu_idle_enter();
leds_event(led_idle_start);
while (!need_resched()) {
#ifdef CONFIG_HOTPLUG_CPU
}
}
leds_event(led_idle_end);
- tick_nohz_restart_sched_tick();
+ rcu_idle_exit();
+ tick_nohz_idle_exit();
preempt_enable_no_resched();
schedule();
preempt_disable();
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)
#include <linux/memblock.h>
#include <linux/bug.h>
#include <linux/compiler.h>
+ #include <linux/sort.h>
#include <asm/unified.h>
#include <asm/cpu.h>
#include <asm/mach/time.h>
#include <asm/traps.h>
#include <asm/unwind.h>
+#include <asm/memblock.h>
#if defined(CONFIG_DEPRECATED_PARAM_STRUCT)
#include "compat.h"
return mdesc;
}
+ static int __init meminfo_cmp(const void *_a, const void *_b)
+ {
+ const struct membank *a = _a, *b = _b;
+ long cmp = bank_pfn_start(a) - bank_pfn_start(b);
+ return cmp < 0 ? -1 : cmp > 0 ? 1 : 0;
+ }
void __init setup_arch(char **cmdline_p)
{
arm_dma_zone_size = mdesc->dma_zone_size;
}
#endif
- if (mdesc->soft_reboot)
- reboot_setup("s");
+ if (mdesc->restart_mode)
+ reboot_setup(&mdesc->restart_mode);
init_mm.start_code = (unsigned long) _text;
init_mm.end_code = (unsigned long) _etext;
parse_early_param();
+ sort(&meminfo.bank, meminfo.nr_banks, sizeof(meminfo.bank[0]), meminfo_cmp, NULL);
sanity_check_meminfo();
arm_memblock_init(&meminfo, mdesc);
paging_init(mdesc);
request_standard_resources(mdesc);
+ if (mdesc->restart)
+ arm_pm_restart = mdesc->restart;
+
unflatten_device_tree();
#ifdef CONFIG_SMP
#include <linux/highmem.h>
#include <linux/gfp.h>
#include <linux/memblock.h>
- #include <linux/sort.h>
#include <asm/mach-types.h>
#include <asm/prom.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
+#include <asm/memblock.h>
#include "mm.h"
}
static void __init find_limits(unsigned long *min, unsigned long *max_low,
- unsigned long *max_high)
+ unsigned long *max_high)
{
struct meminfo *mi = &meminfo;
int i;
- *min = -1UL;
- *max_low = *max_high = 0;
-
- for_each_bank (i, mi) {
- struct membank *bank = &mi->bank[i];
- unsigned long start, end;
-
- start = bank_pfn_start(bank);
- end = bank_pfn_end(bank);
-
- if (*min > start)
- *min = start;
- if (*max_high < end)
- *max_high = end;
- if (bank->highmem)
- continue;
- if (*max_low < end)
- *max_low = end;
- }
+ /* This assumes the meminfo array is properly sorted */
+ *min = bank_pfn_start(&mi->bank[0]);
+ for_each_bank (i, mi)
+ if (mi->bank[i].highmem)
+ break;
+ *max_low = bank_pfn_end(&mi->bank[i - 1]);
+ *max_high = bank_pfn_end(&mi->bank[mi->nr_banks - 1]);
}
static void __init arm_bootmem_init(unsigned long start_pfn,
}
#endif
- static int __init meminfo_cmp(const void *_a, const void *_b)
- {
- const struct membank *a = _a, *b = _b;
- long cmp = bank_pfn_start(a) - bank_pfn_start(b);
- return cmp < 0 ? -1 : cmp > 0 ? 1 : 0;
- }
-
void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
{
int i;
- sort(&meminfo.bank, meminfo.nr_banks, sizeof(meminfo.bank[0]), meminfo_cmp, NULL);
-
- memblock_init();
for (i = 0; i < mi->nr_banks; i++)
memblock_add(mi->bank[i].start, mi->bank[i].size);
if (mdesc->reserve)
mdesc->reserve();
- memblock_analyze();
+ memblock_allow_resize();
memblock_dump_all();
}
*/
arm_bootmem_free(min, max_low, max_high);
- high_memory = __va(((phys_addr_t)max_low << PAGE_SHIFT) - 1) + 1;
-
/*
* This doesn't seem to be used by the Linux memory manager any
* more, but is used by ll_rw_block. If we can get rid of it, we
projects / linux.git / commitdiff