Commit 8198c169 authored by Richard Weinberger's avatar Richard Weinberger Committed by Thomas Gleixner

um: Use generic idle loop

Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
Cc: user-mode-linux-devel@lists.sourceforge.net
Link: http://lkml.kernel.org/r/1366149209-24787-1-git-send-email-richard@nod.atSigned-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 2412aa12
...@@ -12,6 +12,7 @@ config UML ...@@ -12,6 +12,7 @@ config UML
select GENERIC_CPU_DEVICES select GENERIC_CPU_DEVICES
select GENERIC_IO select GENERIC_IO
select GENERIC_CLOCKEVENTS select GENERIC_CLOCKEVENTS
select GENERIC_IDLE_LOOP
select TTY # Needed for line.c select TTY # Needed for line.c
config MMU config MMU
......
...@@ -210,33 +210,14 @@ void initial_thread_cb(void (*proc)(void *), void *arg) ...@@ -210,33 +210,14 @@ void initial_thread_cb(void (*proc)(void *), void *arg)
kmalloc_ok = save_kmalloc_ok; kmalloc_ok = save_kmalloc_ok;
} }
void default_idle(void) void arch_cpu_idle(void)
{ {
unsigned long long nsecs; unsigned long long nsecs;
while (1) {
/* endless idle loop with no priority at all */
/*
* although we are an idle CPU, we do not want to
* get into the scheduler unnecessarily.
*/
if (need_resched())
schedule();
tick_nohz_idle_enter();
rcu_idle_enter();
nsecs = disable_timer();
idle_sleep(nsecs);
rcu_idle_exit();
tick_nohz_idle_exit();
}
}
void cpu_idle(void)
{
cpu_tasks[current_thread_info()->cpu].pid = os_getpid(); cpu_tasks[current_thread_info()->cpu].pid = os_getpid();
default_idle(); nsecs = disable_timer();
idle_sleep(nsecs);
local_irq_enable();
} }
int __cant_sleep(void) { int __cant_sleep(void) {
......
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