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290130a177
linux/arch/arm
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Will Deacon 290130a177 ARM: reset: implement soft_restart for jumping to a physical address 
Tools such as kexec and CPU hotplug require a way to reset the processor
and branch to some code in physical space. This requires various bits of
jiggery pokery with the caches and MMU which, when it goes wrong, tends
to lock up the system.

This patch fleshes out the soft_restart implementation so that it
branches to the reset code using the identity mapping. This requires us
to change to a temporary stack, held within the kernel image as a static
array, to avoid conflicting with the new view of memory.

Signed-off-by: Will Deacon <will.deacon@arm.com>
2011-12-12 16:07:35 +00:00
..
boot Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux into devel-stable 2011-12-08 18:02:04 +00:00
common ARM: 7183/1: vic: register the VIC for ST-modified VIC's 2011-12-11 09:56:57 +00:00
configs Merge branch 'defconfigs-for-arnd' of git://git.linaro.org/people/triad/linux-stericsson into fixes 2011-11-29 14:50:17 +00:00
include/asm Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux into devel-stable 2011-12-08 18:02:04 +00:00
kernel ARM: reset: implement soft_restart for jumping to a physical address 2011-12-12 16:07:35 +00:00
lib ARM: lib: add call_with_stack function for safely changing stack 2011-12-12 16:07:35 +00:00
mach-at91 ARM: big removal of now unused vmalloc.h files 2011-11-26 19:21:29 -05:00
mach-bcmring Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-clps711x Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-cns3xxx Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-davinci ARM: big removal of now unused vmalloc.h files 2011-11-26 19:21:29 -05:00
mach-dove ARM: big removal of now unused vmalloc.h files 2011-11-26 19:21:29 -05:00
mach-ebsa110 Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-ep93xx Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-exynos Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-footbridge Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-gemini ARM: big removal of now unused vmalloc.h files 2011-11-26 19:21:29 -05:00
mach-h720x ARM: big removal of now unused vmalloc.h files 2011-11-26 19:21:29 -05:00
mach-highbank Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-imx Merge branch 'imx-for-arnd' of git://git.pengutronix.de/git/imx/linux-2.6 into fixes 2011-11-23 20:26:57 +00:00
mach-integrator ARM: big removal of now unused vmalloc.h files 2011-11-26 19:21:29 -05:00
mach-iop13xx ARM: big removal of now unused vmalloc.h files 2011-11-26 19:21:29 -05:00
mach-iop32x Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-iop33x Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-ixp4xx Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-ixp23xx ARM: big removal of now unused vmalloc.h files 2011-11-26 19:21:29 -05:00
mach-ixp2000 Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-kirkwood ARM: big removal of now unused vmalloc.h files 2011-11-26 19:21:29 -05:00
mach-ks8695 Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-l7200/include/mach ARM: add an extra temp register to the low level debugging addruart macro 2011-09-26 10:11:25 -04:00
mach-lpc32xx Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-mmp Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-msm Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-mv78xx0 ARM: big removal of now unused vmalloc.h files 2011-11-26 19:21:29 -05:00
mach-mx5 Merge branch 'cleanups/assorted' into imx-fixes-for-arnd 2011-11-22 11:32:39 +01:00
mach-mxs Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-netx Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-nomadik Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-omap1 Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-omap2 ARM: 7194/1: OMAP: Fix build after a merge between v3.2-rc4 and ARM restart changes 2011-12-06 20:27:02 +00:00
mach-orion5x ARM: big removal of now unused vmalloc.h files 2011-11-26 19:21:29 -05:00
mach-picoxcell Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-pnx4008 Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-prima2 ARM: big removal of now unused vmalloc.h files 2011-11-26 19:21:29 -05:00
mach-pxa Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-realview Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-rpc Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-s3c64xx Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-s3c2410 Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-s3c2412 Merge branch 'next/cleanup3' of git://git.linaro.org/people/arnd/arm-soc 2011-11-05 18:18:05 -07:00
mach-s3c2416 Merge branch 'next/devel2' of git://git.linaro.org/people/arnd/arm-soc 2011-11-05 18:21:21 -07:00
mach-s3c2440 Merge branch 'next/cleanup3' of git://git.linaro.org/people/arnd/arm-soc 2011-11-05 18:18:05 -07:00
mach-s3c2443 Merge branch 'next/devel2' of git://git.linaro.org/people/arnd/arm-soc 2011-11-05 18:21:21 -07:00
mach-s5p64x0 Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-s5pc100 Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-s5pv210 Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-sa1100 Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-shark Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-shmobile Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-spear3xx Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-spear6xx Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-tcc8k Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm 2011-10-28 12:02:27 -07:00
mach-tegra Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-u300 Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-ux500 Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-versatile Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-vexpress Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-vt8500 ARM: big removal of now unused vmalloc.h files 2011-11-26 19:21:29 -05:00
mach-w90x900 Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mach-zynq Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
mm Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux into devel-stable 2011-12-08 18:02:04 +00:00
nwfpe
oprofile
plat-iop ARM: plat-iop: remove arch specific special handling for ioremap 2011-11-18 13:51:18 -05:00
plat-mxc Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
plat-nomadik Merge branch 'next/timer' of git://git.linaro.org/people/arnd/arm-soc 2011-11-01 20:18:05 -07:00
plat-omap ARM: 7192/1: OMAP: Fix build error for omap1_defconfig 2011-12-06 12:43:53 +00:00
plat-orion ARM: 7063/1: Orion: gpio: add missing include of linux/types.h 2011-08-24 08:29:20 +01:00
plat-pxa Merge git://git.infradead.org/mtd-2.6 2011-11-07 09:11:16 -08:00
plat-s3c24xx ARM: SAMSUNG: inclusion export.h instead of module.h 2011-11-17 01:14:38 +09:00
plat-s5p Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into devel-stable 2011-12-05 23:20:17 +00:00
plat-samsung ARM: SAMSUNG: include linux/types.h at gpio-cfg.h 2011-11-17 01:17:18 +09:00
plat-spear Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux into devel-stable 2011-12-05 23:27:59 +00:00
plat-tcc ARM: big removal of now unused vmalloc.h files 2011-11-26 19:21:29 -05:00
plat-versatile ARM: versatile: convert logical CPU numbers to physical numbers 2011-10-17 10:01:11 +01:00
tools ARM: Update mach-types to fix mxs build breakage 2011-11-17 07:49:17 +08:00
vfp arm: remove several unnecessary module.h include instances 2011-10-31 19:30:48 -04:00
Kconfig Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux into devel-stable 2011-12-08 18:02:04 +00:00
Kconfig-nommu Fix common misspellings 2011-03-31 11:26:23 -03:00
Kconfig.debug Merge branch 'next/soc' of git://git.linaro.org/people/arnd/arm-soc 2011-11-01 21:08:03 -07:00
Makefile ARM: EXYNOS: Add ARCH_EXYNOS and reorganize arch/arm/mach-exynos 2011-11-06 13:54:56 +09:00