linux-next

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History

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>		2005-11-09 07:56:33 -08:00
..
boot	Linux-2.6.12-rc2	2005-04-16 15:20:36 -07:00
kernel	[PATCH] sched: disable preempt in idle tasks	2005-11-09 07:56:33 -08:00
lib	Linux-2.6.12-rc2	2005-04-16 15:20:36 -07:00
mm	Linux-2.6.12-rc2	2005-04-16 15:20:36 -07:00
platform	[PATCH] ptrace_h8300: condition bugfix	2005-06-23 09:45:15 -07:00
defconfig	Linux-2.6.12-rc2	2005-04-16 15:20:36 -07:00
Kconfig	Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/i2c-2.6	2005-07-12 15:54:36 -07:00
Kconfig.cpu	[PATCH] make each arch use mm/Kconfig	2005-06-23 09:45:02 -07:00
Kconfig.debug	Linux-2.6.12-rc2	2005-04-16 15:20:36 -07:00
Kconfig.ide	Linux-2.6.12-rc2	2005-04-16 15:20:36 -07:00
Makefile	kbuild: h8300,m68knommu,sh,sh64 use generic asm-offsets.h support	2005-09-09 20:28:49 +02:00
README	Linux-2.6.12-rc2	2005-04-16 15:20:36 -07:00

README

linux-2.6 for H8/300 README
Yoshinori Sato <ysato@users.sourceforge.jp>

* Supported CPU
H8/300H and H8S

* Supported Target
1.simulator of GDB
  require patches.

2.AE 3068/AE 3069
  more information 
  MICROTRONIQUE <http://www.microtronique.com/>
  Akizuki Denshi Tsusho Ltd. <http://www.akizuki.ne.jp> (Japanese Only)

3.H8MAX 
  see http://ip-sol.jp/h8max/ (Japanese Only)

4.EDOSK2674
  see http://www.eu.renesas.com/products/mpumcu/tool/edk/support/edosk2674.html
      http://www.azpower.com/H8-uClinux/

* Toolchain Version
gcc-3.1 or higher and patch
see arch/h8300/tools_patch/README
binutils-2.12 or higher
gdb-5.2 or higher
The environment that can compile a h8300-elf binary is necessary.

* Userland Develop environment
used h8300-elf toolchains.
see http://www.uclinux.org/pub/uClinux/ports/h8/

* A few words of thanks
Porting to H8/300 serieses is support of Information-technology Promotion Agency, Japan.
I thank support.
and All developer/user.