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56b7eec01d
linux/arch/arm
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Lothar Waßmann 56b7eec01d ARM: mxs: Fix BUG() when invoking mxs_restart() from interrupt context 
The mxs_restart() function uses of_iomap() which triggers the
following BUG_ON(in_interrupt()) when called in interrupt context
(e.g. thru SYSRQ-B):

      SysRq : Resetting
      ------------[ cut here ]------------
      kernel BUG at mm/vmalloc.c:1310!
      Internal error: Oops - BUG: 0 [#1] PREEMPT ARM
      Modules linked in: i2c_dev
      CPU: 0 PID: 0 Comm: swapper Not tainted 3.11.0-rc2-next-20130729-karo+ #196
      task: c04e1c38 ti: c04d8000 task.ti: c04d8000
      PC is at __get_vm_area_node.clone.25+0x34/0x140
      LR is at get_vm_area_caller+0x38/0x44
      pc : [<c008a988>]    lr : [<c008b434>]    psr: 20000013
      sp : c04d9db0  ip : 00000001  fp : 00000001
      r10: c8800000  r9 : 00000000  r8 : 000000d0
      r7 : 00002000  r6 : 00000001  r5 : 00000001  r4 : 00002000
      r3 : 00010000  r2 : 00000001  r1 : c04d9db0  r0 : 00002000
      Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
      Control: 0005317f  Table: 46920000  DAC: 00000017
      Process swapper (pid: 0, stack limit = 0xc04d81b8)

Create the mapping upon startup from mxs_machine_init().

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-08-16 15:46:11 +08:00
..
boot Pin control fixes for the v3.11 series: 2013-07-28 18:19:27 -07:00
common Merge tag 'davinci-fixes-for-v3.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes 2013-07-22 19:54:21 -07:00
configs ARM: mxs_defconfig: Cleanup mxs_defconfig 2013-08-16 15:46:10 +08:00
crypto ARM: 7723/1: crypto: sha1-armv4-large.S: fix SP handling 2013-05-22 22:01:35 +01:00
include arm: delete __cpuinit/__CPUINIT usage from all ARM users 2013-07-14 19:36:52 -04:00
kernel arm: delete __cpuinit/__CPUINIT usage from all ARM users 2013-07-14 19:36:52 -04:00
kvm KVM fixes for 3.11 2013-07-03 13:21:40 -07:00
lib arm: delete __cpuinit/__CPUINIT usage from all ARM users 2013-07-14 19:36:52 -04:00
mach-at91 reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-bcm ARM: bcm281xx: Remove init_irq declaration in machine description 2013-05-14 09:48:40 -07:00
mach-bcm2835 reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-clps711x reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-cns3xxx reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-davinci ARM: davinci: make file local variables static 2013-07-16 20:38:44 +05:30
mach-dove Watchdog: allow orion_wdt to be built for Dove 2013-07-11 22:17:56 +02:00
mach-ebsa110 reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-ep93xx reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-exynos Samsung fixes for v3.11 2013-07-24 17:06:58 -07:00
mach-footbridge ARM: footbridge: fix overlapping PCI mappings 2013-07-22 20:00:47 -07:00
mach-gemini
mach-highbank ARM: highbank: Only touch common coherency control register fields 2013-07-22 20:03:59 -07:00
mach-imx The imx fixes for 3.11: 2013-07-22 19:58:02 -07:00
mach-integrator reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-iop13xx reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-iop32x reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-iop33x
mach-ixp4xx ARM: SoC fixes for 3.11-rc 2013-07-13 15:00:26 -07:00
mach-keystone ARM: keystone: fix compilation warning 2013-07-23 11:03:54 -07:00
mach-kirkwood Watchdog: allow orion_wdt to be built for Dove 2013-07-11 22:17:56 +02:00
mach-ks8695 reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-lpc32xx reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-mmp reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-msm arm: delete __cpuinit/__CPUINIT usage from all ARM users 2013-07-14 19:36:52 -04:00
mach-mv78xx0 reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-mvebu arm: delete __cpuinit/__CPUINIT usage from all ARM users 2013-07-14 19:36:52 -04:00
mach-mxs ARM: mxs: Fix BUG() when invoking mxs_restart() from interrupt context 2013-08-16 15:46:11 +08:00
mach-netx reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-nomadik reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-nspire arm: Add Initial TI-Nspire support 2013-06-21 20:06:30 +02:00
mach-omap1 reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-omap2 ARM: omap5: Only select errata 798181 if SMP 2013-07-24 17:06:23 -07:00
mach-orion5x Watchdog: allow orion_wdt to be built for Dove 2013-07-11 22:17:56 +02:00
mach-picoxcell reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-prima2 arm: delete __cpuinit/__CPUINIT usage from all ARM users 2013-07-14 19:36:52 -04:00
mach-pxa ARM: pxa: propagate errors from regulator_enable() to pxamci 2013-07-23 12:15:15 -07:00
mach-realview reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-rockchip arm: add basic support for Rockchip RK3066a boards 2013-06-21 09:21:02 +02:00
mach-rpc reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-s3c24xx Samsung fixes for v3.11 2013-07-24 17:06:58 -07:00
mach-s3c64xx reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-s5p64x0 reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-s5pc100 reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-s5pv210 For the 3.11 merge we only have one new MFD driver for the Kontron PLD. 2013-07-10 11:10:27 -07:00
mach-sa1100 reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-shark reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-shmobile arm: delete __cpuinit/__CPUINIT usage from all ARM users 2013-07-14 19:36:52 -04:00
mach-socfpga arm: delete __cpuinit/__CPUINIT usage from all ARM users 2013-07-14 19:36:52 -04:00
mach-spear arm: delete __cpuinit/__CPUINIT usage from all ARM users 2013-07-14 19:36:52 -04:00
mach-sti ARM: STi: Set correct ARM ERRATAs. 2013-07-22 19:36:13 -07:00
mach-sunxi reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-tegra arm: delete __cpuinit/__CPUINIT usage from all ARM users 2013-07-14 19:36:52 -04:00
mach-u300 reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-ux500 arm: delete __cpuinit/__CPUINIT usage from all ARM users 2013-07-14 19:36:52 -04:00
mach-versatile reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-vexpress ARM SoC specific changes 2013-07-02 13:43:38 -07:00
mach-virt Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm 2013-07-03 09:46:29 -07:00
mach-vt8500 reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-w90x900 reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
mach-zynq ARM: zynq: fix compilation warning 2013-07-23 11:04:04 -07:00
mm arm: delete __cpuinit/__CPUINIT usage from all ARM users 2013-07-14 19:36:52 -04:00
net arm: bpf_jit: can call module_free() from any context 2013-05-20 14:03:50 -07:00
nwfpe
oprofile
plat-iop reboot: arm: change reboot_mode to use enum reboot_mode 2013-07-09 10:33:29 -07:00
plat-omap Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-07-06 14:09:38 -07:00
plat-orion Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-07-06 14:09:38 -07:00
plat-pxa
plat-samsung ARM: SAMSUNG: Save/restore only selected uart's registers 2013-07-24 17:05:07 +09:00
plat-versatile arm: delete __cpuinit/__CPUINIT usage from all ARM users 2013-07-14 19:36:52 -04:00
tools
vfp ARM: 7729/1: vfp: ensure VFP_arch is non-zero when VFP is not supported 2013-05-22 22:01:37 +01:00
xen xen/arm and xen/arm64: implement HYPERVISOR_tmem_op 2013-07-04 11:41:12 +00:00
Kconfig ARM: EXYNOS: Update CONFIG_ARCH_NR_GPIO for Exynos 2013-07-24 18:55:27 +09:00
Kconfig-nommu ARM: mpu: Ensure that MPU depends on CPU_V7 2013-06-17 15:13:18 +01:00
Kconfig.debug Omap fixes and minor defconfig updates that would be good to 2013-07-12 10:59:39 -07:00
Makefile Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm 2013-07-03 09:46:29 -07:00