Messages in this thread Patch in this message | | | Date | Tue, 23 Jan 2007 22:01:36 -0000 | From | Thomas Gleixner <> | Subject | [patch 39/46] i386 prepare for dyntick |
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From: Ingo Molnar <mingo@elte.hu>
Prepare i386 for dyntick: idle handler callbacks.
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: john stultz <johnstul@us.ibm.com> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> ---
arch/i386/kernel/process.c | 3 +++ 1 file changed, 3 insertions(+)
Index: linux-2.6.20-rc4-mm1-bo/arch/i386/kernel/process.c =================================================================== --- linux-2.6.20-rc4-mm1-bo.orig/arch/i386/kernel/process.c +++ linux-2.6.20-rc4-mm1-bo/arch/i386/kernel/process.c @@ -38,6 +38,7 @@ #include <linux/ptrace.h> #include <linux/random.h> #include <linux/personality.h> +#include <linux/tick.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -211,6 +212,7 @@ void cpu_idle(void) /* endless idle loop with no priority at all */ while (1) { + tick_nohz_stop_sched_tick(); while (!need_resched()) { void (*idle)(void); @@ -238,6 +240,7 @@ void cpu_idle(void) idle(); __exit_idle(); } + tick_nohz_restart_sched_tick(); preempt_enable_no_resched(); schedule(); preempt_disable(); --
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