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aha/arch/arm
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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 kbuild: use INSTALLKERNEL to select customized installkernel script 2009-09-20 12:18:14 +02:00
common ARM: 5735/1: sa1111: CodingStyle cleanups 2009-10-02 22:32:33 +01:00
configs Merge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 2009-10-29 08:16:42 -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 ARM: 5759/1: Add register information of threads to coredump 2009-10-14 10:33:05 +01:00
lib Merge branch 'for-rmk' of git://linux-arm.org/linux-2.6 2009-09-19 13:47:57 +01:00
mach-aaec2000
mach-at91 ARM: 5766/1: Fix watchdog enabling for AT91SAM9G45 2009-10-21 13:08:14 +01:00
mach-bcmring ARM: 5748/1: bcmring: fix build warning messages 2009-10-07 13:13:01 +01:00
mach-clps711x
mach-davinci ARM: includecheck fix: mach-davinci, board-dm365-evm.c 2009-09-28 18:06:20 +01:00
mach-ebsa110
mach-ep93xx ARM: 5768/1: ep93xx: remove dead code in ep93xx_gpio_ab_irq_handler() 2009-10-21 13:09:36 +01:00
mach-footbridge
mach-gemini Gemini: Fix SRAM/ROM location after memory swap 2009-05-28 16:42:25 +03:00
mach-h720x
mach-integrator headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
mach-iop13xx Merge branch 'iop-raid6' into async-tx-next 2009-09-08 17:53:57 -07:00
mach-iop32x iop3xx: ATU and PCI memory configuration corrected 2009-08-18 13:48:35 -07:00
mach-iop33x iop3xx: ATU and PCI memory configuration corrected 2009-08-18 13:48:35 -07:00
mach-ixp4xx ixp4xx: arch_idle() documentation fixup 2009-09-21 19:20:03 +02:00
mach-ixp23xx
mach-ixp2000
mach-kirkwood Merge branch 'master' into devel 2009-09-12 12:04:37 +01:00
mach-ks8695 ARM: 5637/1: [KS8695] Don't reference CLOCK_TICK_RATE in drivers 2009-08-05 22:06:56 +01:00
mach-l7200 [ARM] mach-l7200: fix spelling of SYS_CLOCK_OFF 2009-05-18 11:25:08 +01:00
mach-lh7a40x
mach-loki [ARM] add coherent DMA mask for mv643xx_eth 2009-05-22 17:05:53 -04:00
mach-mmp [ARM] pxa: add PWM devices support for pxa168/910 2009-06-05 10:32:06 +08:00
mach-msm
mach-mv78xx0 [ARM] orion: convert gpio to use gpiolib 2009-06-08 13:04:57 -04:00
mach-mx1 ARM: mxc: Fix i2c_board_info definitions 2009-08-14 12:40:37 +02:00
mach-mx2 MXC: fix reset for mx31, mx35 and mx27 SoCs 2009-10-13 10:24:10 +02:00
mach-mx3 MXC: fix reset for mx31, mx35 and mx27 SoCs 2009-10-13 10:24:10 +02:00
mach-mx25 mx25: Add missing copyright / license header 2009-10-02 09:14:18 +02:00
mach-mxc91231 MXC: add iomux pins configuration support for MXC91231 2009-08-14 12:40:47 +02:00
mach-netx netx: Use get_irqnr_preamble to initialize base register 2009-08-13 20:34:36 +02:00
mach-nomadik mtd: OneNand support for Nomadik 8815 SoC (on NHK8815 board) 2009-09-20 06:00:27 -07:00
mach-ns9xxx const: constify remaining file_operations 2009-10-01 16:11:11 -07:00
mach-omap1 omap1: Fix DSP public peripherals support for ams-delta 2009-10-22 14:47:42 -07:00
mach-omap2 omap4: Fix UART4 platform data on omap4 2009-10-22 15:41:16 -07:00
mach-orion5x [ARM] orion5x: Add LaCie NAS 2Big Network support 2009-09-08 14:10:35 -04:00
mach-pnx4008
mach-pxa [ARM] pxa/spitz: add gpio button support (fixes regression) 2009-10-17 22:55:44 +08:00
mach-realview ARM: 5720/1: Move MMCI header to amba include dir 2009-09-22 20:49:04 +01:00
mach-rpc
mach-s3c24a0/include/mach ARM: S3C: move s3c_device_nand from plat-s3c24xx to plat-s3c 2009-07-31 00:10:24 +01:00
mach-s3c2400 [ARM] S3C24XX: GPIO: Fix error returns from gpio functions 2009-05-18 19:40:18 +01:00
mach-s3c2410 ARM: S3C: Add missing selection of S3C_DEV_NAND in machine Kconfigs. 2009-09-17 10:12:28 +01:00
mach-s3c2412 ARM: S3C: Add missing selection of S3C_DEV_NAND in machine Kconfigs. 2009-09-17 10:12:28 +01:00
mach-s3c2440 ARM: S3C: Add missing selection of S3C_DEV_NAND in machine Kconfigs. 2009-09-17 10:12:28 +01:00
mach-s3c2442 [ARM] GTA02: build fixes (s3c2410_nand_set usage) 2009-06-24 00:10:46 +01:00
mach-s3c2443
mach-s3c6400 ARM: S3C: Add missing selection of S3C_DEV_NAND in machine Kconfigs. 2009-09-17 10:12:28 +01:00
mach-s3c6410 ARM: S3C: Add missing selection of S3C_DEV_NAND in machine Kconfigs. 2009-09-17 10:12:28 +01:00
mach-s5pc100 ARM: S5PC100: Board and configuration file 2009-08-16 23:40:39 +01:00
mach-sa1100 ARM: 5752/1: SA1100: fix building of h3100 2009-10-07 13:13:01 +01:00
mach-shark
mach-stmp37xx [ARM] 5539/1: Freescale STMP: onboard devices declaration 2009-06-04 14:16:45 +01:00
mach-stmp378x [ARM] 5539/1: Freescale STMP: onboard devices declaration 2009-06-04 14:16:45 +01:00
mach-u300 ARM: 5731/2: Fix U300 generic GPIO, remove ifdefs from MMCI v3 2009-10-01 16:26:15 +01:00
mach-versatile ARM: 5720/1: Move MMCI header to amba include dir 2009-09-22 20:49:04 +01:00
mach-w90x900 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2009-09-14 17:56:51 -07:00
mm ARM: 5769/1: CPU_ARM920T: remove dead Maverick EP9312 URL 2009-10-21 13:09:37 +01:00
nwfpe [ARM] nwfpe: fix 'floatx80_is_nan' sparse warning 2009-05-15 12:49:14 +01:00
oprofile ARM: 5764/1: bcmring: add oprofile pmu support 2009-10-17 20:10:22 +01:00
plat-iop Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/xscaleiop 2009-10-02 22:31:04 +01:00
plat-mxc spi: add SPI driver for most known i.MX SoCs 2009-09-23 07:39:43 -07:00
plat-omap omap: iommu: fix wrong condition check for SUPERSECTION 2009-10-22 14:46:32 -07:00
plat-orion [ARM] Kirkwood: __init requires linux/init.h 2009-08-24 11:55:59 -04:00
plat-pxa [ARM] pxa/dma: add debugfs entries 2009-09-10 18:49:29 +08:00
plat-s3c ARM: s3c: fix check of index into s3c_gpios[] 2009-09-19 12:14:06 +01:00
plat-s3c24xx headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
plat-s3c64xx Merge branch 'next-s3c-fixes' of git://aeryn.fluff.org.uk/bjdooks/linux 2009-09-18 20:55:56 +01:00
plat-s5pc1xx ARM: S5PC100: Kconfigs and Makefiles 2009-08-16 23:35:19 +01:00
plat-stmp3xxx ARM: STMP3xxx: deallocation with negative index of descriptors[] 2009-09-19 12:14:05 +01:00
tools [ARM] Update mach-types 2009-09-18 21:42:01 +01:00
vfp Thumb-2: Implement the unified VFP support 2009-07-24 12:32:57 +01:00
Kconfig ARM: 5580/2: ARM TCM (Tightly-Coupled Memory) support v3 2009-09-15 22:11:05 +01:00
Kconfig-nommu
Kconfig.debug Thumb-2: Add Thumb-2 support to the build files 2009-07-24 12:33:02 +01:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-next 2009-09-23 15:37:02 -07:00