linux/arch/arm
Shawn Guo 904464b91e ARM: 7655/1: smp_twd: make twd_local_timer_of_register() no-op for nosmp
When booting a SMP build kernel with nosmp on kernel cmdline, the
following fat warning will be hit.

------------[ cut here ]------------
WARNING: at arch/arm/kernel/smp_twd.c:345
twd_local_timer_of_register+0x7c/0x90()
twd_local_timer_of_register failed (-6)
Modules linked in:
Backtrace:
[<80011f14>] (dump_backtrace+0x0/0x10c) from [<8044dd30>]
(dump_stack+0x18/0x1c)
 r7:805e9f58 r6:805ba84c r5:80539331 r4:00000159
[<8044dd18>] (dump_stack+0x0/0x1c) from [<80020fbc>]
(warn_slowpath_common+0x54/0x6c)
[<80020f68>] (warn_slowpath_common+0x0/0x6c) from [<80021078>]
(warn_slowpath_fmt+0x38/0x40)
 r9:412fc09a r8:8fffffff r7:ffffffff r6:00000001 r5:80633b8c
r4:80b32da8
[<80021040>] (warn_slowpath_fmt+0x0/0x40) from [<805ba84]
(twd_local_timer_of_register+0x7c/0x90)
 r3:fffffffa r2:8053934b
[<805ba7d0>] (twd_local_timer_of_register+0x0/0x90) from [<805c0bec>]
(imx6q_timer_init+0x18/0x4c)
 r5:80633800 r4:8053b701
[<805c0bd4>] (imx6q_timer_init+0x0/0x4c) from [<805ba4e8>]
(time_init+0x28/0x38)
 r5:80633800 r4:805dc0f4
[<805ba4c0>] (time_init+0x0/0x38) from [<805b6854>]
(start_kernel+0x1a0/0x310)
[<805b66b4>] (start_kernel+0x0/0x310) from [<10008044>] (0x10008044)
 r8:1000406a r7:805f3f8c r6:805dc0c4 r5:805f0518 r4:10c5387d
---[ end trace 1b75b31a2719ed1c ]---

Check (!is_smp() || !setup_max_cpus) in twd_local_timer_of_register()
to make it be a no-op for the conditions, thus avoid above warning.

Reported-by: Dirk Behme <dirk.behme@de.bosch.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-03-03 22:54:12 +00:00
..
boot Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm 2013-03-03 11:54:39 -08:00
common ARM: GIC: fix GIC cpumask initialization 2013-02-08 10:17:22 +00:00
configs arm-soc: mvebu platform changes 2013-02-28 20:09:24 -08:00
crypto ARM: 7626/1: arm/crypto: Make asm SHA-1 and AES code Thumb-2 compatible 2013-01-13 12:41:22 +00:00
include Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm 2013-03-03 11:54:39 -08:00
kernel ARM: 7655/1: smp_twd: make twd_local_timer_of_register() no-op for nosmp 2013-03-03 22:54:12 +00:00
kvm ARM: KVM: fix compilation after removal of user_alloc from struct kvm_memory_slot 2013-02-25 11:48:41 +02:00
lib ARM: 7653/2: do not scale loops_per_jiffy when using a constant delay clock 2013-02-21 13:25:36 +00:00
mach-at91 Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-bcm Merge remote-tracking branches 'arm-soc/irqchip/gic-vic-move' and 'arm-soc/timer/cleanup' into soc 2013-01-24 17:57:20 +09:00
mach-bcm2835 arm-soc: soc-specific updates 2013-02-21 15:27:22 -08:00
mach-clps711x The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which 2013-02-05 10:26:20 -08:00
mach-cns3xxx The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which 2013-02-05 10:26:20 -08:00
mach-davinci Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-dove arm-soc: mvebu platform changes 2013-02-28 20:09:24 -08:00
mach-ebsa110 The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which 2013-02-05 10:26:20 -08:00
mach-ep93xx The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which 2013-02-05 10:26:20 -08:00
mach-exynos Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-footbridge The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which 2013-02-05 10:26:20 -08:00
mach-gemini The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which 2013-02-05 10:26:20 -08:00
mach-h720x The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which 2013-02-05 10:26:20 -08:00
mach-highbank Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-imx arm-soc: i.MX DT changes 2013-02-28 19:59:34 -08:00
mach-integrator Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-iop13xx Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-iop32x The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which 2013-02-05 10:26:20 -08:00
mach-iop33x The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which 2013-02-05 10:26:20 -08:00
mach-ixp4xx The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which 2013-02-05 10:26:20 -08:00
mach-kirkwood arm-soc: mvebu platform changes 2013-02-28 20:09:24 -08:00
mach-ks8695 Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-l7200/include/mach
mach-lpc32xx The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which 2013-02-05 10:26:20 -08:00
mach-mmp Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-msm Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-mv78xx0 Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-mvebu arm-soc: mvebu platform changes 2013-02-28 20:09:24 -08:00
mach-mxs arm-soc: device tree conversions 2013-02-21 15:38:49 -08:00
mach-netx ARM: 7642/1: netx: bump IRQ offset to 64 2013-03-03 22:54:11 +00:00
mach-nomadik Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-omap1 Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-omap2 arm-soc: late OMAP changes 2013-02-28 20:00:40 -08:00
mach-orion5x Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-picoxcell Merge remote-tracking branches 'arm-soc/irqchip/gic-vic-move' and 'arm-soc/timer/cleanup' into soc 2013-01-24 17:57:20 +09:00
mach-prima2 Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-pxa Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-realview arm-soc: cleanups 2013-02-21 14:58:40 -08:00
mach-rpc The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which 2013-02-05 10:26:20 -08:00
mach-s3c24xx Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-s3c64xx Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-s5p64x0 arm-soc: cleanups 2013-02-21 14:58:40 -08:00
mach-s5pc100 Merge remote-tracking branches 'arm-soc/irqchip/gic-vic-move' and 'arm-soc/timer/cleanup' into soc 2013-01-24 17:57:20 +09:00
mach-s5pv210 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media 2013-02-24 17:35:10 -08:00
mach-sa1100 Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-shark The series cleans up ARCH_HAS_DECOMP_WDOG and arch_decomp_wdog which 2013-02-05 10:26:20 -08:00
mach-shmobile IOMMU Updates for Linux v3.9 2013-02-26 11:09:17 -08:00
mach-socfpga Merge branch 'socfpga/hw' into next/soc 2013-02-11 19:37:51 -08:00
mach-spear3xx Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2013-02-26 09:24:48 -08:00
mach-spear6xx Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2013-02-26 09:24:48 -08:00
mach-spear13xx Revert "ARM: SPEAr13xx: Pass DW DMAC platform data from DT" 2013-02-20 15:48:02 +05:30
mach-sunxi Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-tegra Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-u300 Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-ux500 Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-versatile Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-vexpress Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
mach-virt ARM: mach-virt: fixup machine descriptor after removal of sys_timer 2013-02-11 10:39:30 -08:00
mach-vt8500 arm-soc: soc-specific updates 2013-02-21 15:27:22 -08:00
mach-w90x900 arm-soc: cleanups 2013-02-21 14:58:40 -08:00
mach-zynq arm: zynq: Add missing irqchip.h to common.c 2013-01-29 10:55:28 -08:00
mm ARM: 7652/1: mm: fix missing use of 'asid' to get asid value from mm->context.id 2013-03-03 22:54:12 +00:00
net ARM: net: bpf_jit: fix emit_swap16() for non ARMv6+. 2013-02-14 13:26:44 -05:00
nwfpe
oprofile
plat-iop ARM: use clockevents_config_and_register() where possible 2013-01-14 10:12:42 -08:00
plat-omap arm-soc: late OMAP changes 2013-02-28 20:00:40 -08:00
plat-orion arm-soc: cleanups 2013-02-21 14:58:40 -08:00
plat-pxa ARM: drivers: remove __dev* attributes. 2013-01-03 15:57:04 -08:00
plat-samsung Merge branch 'timer/cleanup' into late/mvebu2 2013-02-28 18:54:15 +01:00
plat-spear arm-soc: driver specific changes 2013-02-21 15:12:18 -08:00
plat-versatile Merge branch 'for-arm-soc/arch-timers' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into kvm-arm/timer 2013-02-11 19:03:52 +00:00
tools
vfp ARM: Fix broken commit 0cc41e4a21 corrupting kernel messages 2013-03-01 21:09:59 +00:00
xen xen: implement updated XENMEM_add_to_physmap_range ABI 2013-02-19 22:01:55 -05:00
Kconfig arm-soc: late OMAP changes 2013-02-28 20:00:40 -08:00
Kconfig-nommu
Kconfig.debug arm-soc: soc-specific updates 2013-02-21 15:27:22 -08:00
Makefile arm-soc: virtualization changes 2013-02-21 15:40:16 -08:00