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Nick Piggin 5bfb5d690f [PATCH] sched: disable preempt in idle tasks ... Run idle threads with preempt disabled. Also corrected a bugs in arm26's cpu_idle (make it actually call schedule()). How did it ever work before? Might fix the CPU hotplugging hang which Nigel Cunningham noted. We think the bug hits if the idle thread is preempted after checking need_resched() and before going to sleep, then the CPU offlined. After calling stop_machine_run, the CPU eventually returns from preemption and into the idle thread and goes to sleep. The CPU will continue executing previous idle and have no chance to call play_dead. By disabling preemption until we are ready to explicitly schedule, this bug is fixed and the idle threads generally become more robust. From: alexs <ashepard@u.washington.edu> PPC build fix From: Yoichi Yuasa <yuasa@hh.iij4u.or.jp> MIPS build fix Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Yoichi Yuasa <yuasa@hh.iij4u.or.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		19 years ago
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Makefile	[PATCH] CRIS update: configuration and build	20 years ago
crisksyms.c	[PATCH] CRIS update: misc patches	20 years ago
irq.c	[PATCH] CRIS update: IRQ	20 years ago
module.c	[PATCH] CRIS update: updates for 2.6.12	20 years ago
process.c	[PATCH] sched: disable preempt in idle tasks	19 years ago
profile.c	[PATCH] CRIS update: profiler	20 years ago
ptrace.c	[PATCH] CRIS update: arch split	20 years ago
semaphore.c	Linux-2.6.12-rc2	20 years ago
setup.c	[PATCH] CRIS update: misc patches	20 years ago
sys_cris.c	Linux-2.6.12-rc2	20 years ago
time.c	[PATCH] fix missing includes	19 years ago
traps.c	[PATCH] CRIS update: debug	20 years ago