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Merge commit '8700c95adb03' into timers/nohz

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The full dynticks tree needs the latest RCU and sched
upstream updates in order to fix some dependencies.

Merge a common upstream merge point that has these
updates.

Conflicts:
	include/linux/perf_event.h
	kernel/rcutree.h
	kernel/rcutree_plugin.h

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
This commit is contained in:
Frederic Weisbecker
2013-05-02 17:37:49 +02:00
parent fda76e074c 8700c95adb
commit c032862fba
3692 changed files with 150969 additions and 120861 deletions
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46
init/main.c
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@@ -9,6 +9,8 @@
* Simplified starting of init: Michael A. Griffith <grif@acm.org>
*/
#define DEBUG /* Enable initcall_debug */
#include <linux/types.h>
#include <linux/module.h>
#include <linux/proc_fs.h>
@@ -174,8 +176,8 @@ static int __init obsolete_checksetup(char *line)
if (line[n] == '\0' || line[n] == '=')
had_early_param = 1;
} else if (!p->setup_func) {
printk(KERN_WARNING "Parameter %s is obsolete,"
" ignored\n", p->str);
pr_warn("Parameter %s is obsolete, ignored\n",
p->str);
return 1;
} else if (p->setup_func(line + n))
return 1;
@@ -384,7 +386,7 @@ static noinline void __init_refok rest_init(void)
init_idle_bootup_task(current);
schedule_preempt_disabled();
/* Call into cpu_idle with preempt disabled */
cpu_idle();
cpu_startup_entry(CPUHP_ONLINE);
}
/* Check for early params. */
@@ -398,8 +400,7 @@ static int __init do_early_param(char *param, char *val, const char *unused)
strcmp(p->str, "earlycon") == 0)
) {
if (p->setup_func(val) != 0)
printk(KERN_WARNING
"Malformed early option '%s'\n", param);
pr_warn("Malformed early option '%s'\n", param);
}
}
/* We accept everything at this stage. */
@@ -497,7 +498,7 @@ asmlinkage void __init start_kernel(void)
tick_init();
boot_cpu_init();
page_address_init();
printk(KERN_NOTICE "%s", linux_banner);
pr_notice("%s", linux_banner);
setup_arch(&command_line);
mm_init_owner(&init_mm, &init_task);
mm_init_cpumask(&init_mm);
@@ -509,7 +510,7 @@ asmlinkage void __init start_kernel(void)
build_all_zonelists(NULL, NULL);
page_alloc_init();
printk(KERN_NOTICE "Kernel command line: %s\n", boot_command_line);
pr_notice("Kernel command line: %s\n", boot_command_line);
parse_early_param();
parse_args("Booting kernel", static_command_line, __start___param,
__stop___param - __start___param,
@@ -539,11 +540,8 @@ asmlinkage void __init start_kernel(void)
* fragile until we cpu_idle() for the first time.
*/
preempt_disable();
if (!irqs_disabled()) {
printk(KERN_WARNING "start_kernel(): bug: interrupts were "
"enabled *very* early, fixing it\n");
if (WARN(!irqs_disabled(), "Interrupts were enabled *very* early, fixing it\n"))
local_irq_disable();
}
idr_init_cache();
perf_event_init();
rcu_init();
@@ -559,9 +557,7 @@ asmlinkage void __init start_kernel(void)
time_init();
profile_init();
call_function_init();
if (!irqs_disabled())
printk(KERN_CRIT "start_kernel(): bug: interrupts were "
"enabled early\n");
WARN(!irqs_disabled(), "Interrupts were enabled early\n");
early_boot_irqs_disabled = false;
local_irq_enable();
@@ -588,8 +584,7 @@ asmlinkage void __init start_kernel(void)
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start && !initrd_below_start_ok &&
page_to_pfn(virt_to_page((void *)initrd_start)) < min_low_pfn) {
printk(KERN_CRIT "initrd overwritten (0x%08lx < 0x%08lx) - "
"disabling it.\n",
pr_crit("initrd overwritten (0x%08lx < 0x%08lx) - disabling it.\n",
page_to_pfn(virt_to_page((void *)initrd_start)),
min_low_pfn);
initrd_start = 0;
@@ -668,14 +663,14 @@ static int __init_or_module do_one_initcall_debug(initcall_t fn)
unsigned long long duration;
int ret;
printk(KERN_DEBUG "calling %pF @ %i\n", fn, task_pid_nr(current));
pr_debug("calling %pF @ %i\n", fn, task_pid_nr(current));
calltime = ktime_get();
ret = fn();
rettime = ktime_get();
delta = ktime_sub(rettime, calltime);
duration = (unsigned long long) ktime_to_ns(delta) >> 10;
printk(KERN_DEBUG "initcall %pF returned %d after %lld usecs\n", fn,
ret, duration);
pr_debug("initcall %pF returned %d after %lld usecs\n",
fn, ret, duration);
return ret;
}
@@ -703,9 +698,7 @@ int __init_or_module do_one_initcall(initcall_t fn)
strlcat(msgbuf, "disabled interrupts ", sizeof(msgbuf));
local_irq_enable();
}
if (msgbuf[0]) {
printk("initcall %pF returned with %s\n", fn, msgbuf);
}
WARN(msgbuf[0], "initcall %pF returned with %s\n", fn, msgbuf);
return ret;
}
@@ -833,8 +826,7 @@ static int __ref kernel_init(void *unused)
if (ramdisk_execute_command) {
if (!run_init_process(ramdisk_execute_command))
return 0;
printk(KERN_WARNING "Failed to execute %s\n",
ramdisk_execute_command);
pr_err("Failed to execute %s\n", ramdisk_execute_command);
}
/*
@@ -846,8 +838,8 @@ static int __ref kernel_init(void *unused)
if (execute_command) {
if (!run_init_process(execute_command))
return 0;
printk(KERN_WARNING "Failed to execute %s. Attempting "
"defaults...\n", execute_command);
pr_err("Failed to execute %s. Attempting defaults...\n",
execute_command);
}
if (!run_init_process("/sbin/init") ||
!run_init_process("/etc/init") ||
@@ -892,7 +884,7 @@ static noinline void __init kernel_init_freeable(void)
/* Open the /dev/console on the rootfs, this should never fail */
if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0)
printk(KERN_WARNING "Warning: unable to open an initial console.\n");
pr_err("Warning: unable to open an initial console.\n");
(void) sys_dup(0);
(void) sys_dup(0);