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aha/arch/h8300
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Ilya Loginov 2d4dc890b5 block: add helpers to run flush_dcache_page() against a bio and a request's pages 
Mtdblock driver doesn't call flush_dcache_page for pages in request.  So,
this causes problems on architectures where the icache doesn't fill from
the dcache or with dcache aliases.  The patch fixes this.

The ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE symbol was introduced to avoid
pointless empty cache-thrashing loops on architectures for which
flush_dcache_page() is a no-op.  Every architecture was provided with this
flush pages on architectires where ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE is
equal 1 or do nothing otherwise.

See "fix mtd_blkdevs problem with caches on some architectures" discussion
on LKML for more information.

Signed-off-by: Ilya Loginov <isloginov@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Peter Horton <phorton@bitbox.co.uk>
Cc: "Ed L. Cashin" <ecashin@coraid.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-11-26 09:16:19 +01:00
..
boot inflate: refactor inflate malloc code 2008-07-25 10:53:28 -07:00
include/asm block: add helpers to run flush_dcache_page() against a bio and a request's pages 2009-11-26 09:16:19 +01:00
kernel h8300: Cleanup linker script using new linker script macros. 2009-09-24 17:16:22 -07:00
lib kbuild: fix AFLAGS use in h8300 and m68knommu 2007-10-15 21:03:59 +02:00
mm h8300: GENERIC_BUG support 2008-10-16 11:21:29 -07:00
platform h8300: update timer handler - delete files 2008-10-16 11:21:29 -07:00
defconfig h8300: defconfig update 2008-02-23 17:12:16 -08:00
Kconfig Staging: Kconfig for ARCH=arm,8300, cris 2009-01-06 13:51:38 -08:00
Kconfig.cpu h8/300: fix incorrect "select" directives in arch/h8300/Kconfig.cpu. 2009-06-23 12:50:05 -07:00
Kconfig.debug H8300: Typo: "buildin" -> "builtin" 2007-10-20 00:26:06 +02:00
Kconfig.ide Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile kbuild: enable 'make AFLAGS=...' to add additional options to AS 2007-10-15 21:59:31 +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.