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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	Linux-2.6.12-rc2	20 years ago
armksyms.c	Linux-2.6.12-rc2	20 years ago
asm-offsets.c	Linux-2.6.12-rc2	20 years ago
calls.S	Linux-2.6.12-rc2	20 years ago
compat.c	Linux-2.6.12-rc2	20 years ago
dma.c	Linux-2.6.12-rc2	20 years ago
ecard.c	[PATCH] Driver Core: arch: update device attribute callbacks	20 years ago
entry.S	kbuild: arm26,sparc use generic asm-offset support	20 years ago
fiq.c	Linux-2.6.12-rc2	20 years ago
head.S	Linux-2.6.12-rc2	20 years ago
init_task.c	Linux-2.6.12-rc2	20 years ago
irq.c	Linux-2.6.12-rc2	20 years ago
process.c	[PATCH] sched: disable preempt in idle tasks	19 years ago
ptrace.c	[PATCH] consolidate sys_ptrace()	19 years ago
ptrace.h	Linux-2.6.12-rc2	20 years ago
semaphore.c	Linux-2.6.12-rc2	20 years ago
setup.c	Linux-2.6.12-rc2	20 years ago
signal.c	[PATCH] convert signal handling of NODEFER to act like other Unix boxes.	20 years ago
sys_arm.c	[PATCH] freepgt: arm26 FIRST_USER_ADDRESS PAGE_SIZE	20 years ago
time.c	[PATCH] jiffies_64 cleanup	20 years ago
traps.c	Linux-2.6.12-rc2	20 years ago
vmlinux-arm26-xip.lds.in	Linux-2.6.12-rc2	20 years ago
vmlinux-arm26.lds.in	Linux-2.6.12-rc2	20 years ago
vmlinux.lds.S	Linux-2.6.12-rc2	20 years ago