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cb1ffb6204
android_kernel_xiaomi_sdm845/arch/powerpc
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Kumar Gala cb1ffb6204 powerpc/85xx: Fix issue found by lockdep trace in smp_85xx_kick_cpu 
lockdep trace found the following:

------------[ cut here ]------------
Badness at c007baf0 [verbose debug info unavailable]
NIP: c007baf0 LR: c007bad8 CTR: 00000000
REGS: ef855e00 TRAP: 0700   Tainted: G        W
(2.6.30-06736-g12a31df-dirty)
MSR: 00021000 <ME,CE>  CR: 24044022  XER: 20000000
TASK = ef858000[1] 'swapper' THREAD: ef854000 CPU: 0
GPR00: 00000000 ef855eb0 ef858000 00000001 000000d0 f1000000 ffbc8000 ffffffff
GPR08: 000000d0 c0760000 c0710000 00000007 2fffffff 1004a388 7ffd9400 00000000
GPR16: 00000000 7ffcd100 7ffcd100 7ffcd100 c059cd78 c075c498 c057da7c ffffffff
GPR24: ffbc8000 f1000000 00000001 c00bf8b0 c07595d4 000000d0 00021000 000000d0
NIP [c007baf0] lockdep_trace_alloc+0xc0/0xf0
LR [c007bad8] lockdep_trace_alloc+0xa8/0xf0
Call Trace:
[ef855eb0] [c007ba60] lockdep_trace_alloc+0x30/0xf0 (unreliable)
[ef855ec0] [c00cb3ac] kmem_cache_alloc+0x2c/0xf0
[ef855ee0] [c00bf8b0] __get_vm_area_node+0x80/0x1c0
[ef855f10] [c0017580] __ioremap_caller+0x1d0/0x1e0
[ef855f40] [c057da7c] smp_85xx_kick_cpu+0x64/0x124
[ef855f60] [c0599180] __cpu_up+0xd0/0x1a4
[ef855f80] [c05997c4] cpu_up+0x14c/0x1e0
[ef855fc0] [c05732a0] kernel_init+0x100/0x1c4
[ef855ff0] [c0011524] kernel_thread+0x4c/0x68
Instruction dump:
8009c174 2f800000 409e0048 73c08000 40820040 4818980d 2f830000 419effa0
3d20c076 8009c388 2f800000 409eff90 <0fe00000> 4bffff88 60000000 60000000

We were calling ioremap after we local_irq_restore(flags).  A simple
reorder fixes the problem.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2009-06-23 08:09:57 -05:00
..
boot powerpc/5200: Update pcm030.dts to add i2c eeprom and delete cruft 2009-06-17 00:30:17 -06:00
configs Merge commit 'origin/master' into next 2009-06-17 10:24:53 +10:00
include/asm powerpc/cpm1: Remove IMAP_ADDR 2009-06-23 08:09:54 -05:00
kernel Merge commit 'origin/master' into next 2009-06-18 11:16:55 +10:00
kvm powerpc: Add configurable -Werror for arch/powerpc 2009-06-16 14:15:45 +10:00
lib powerpc: Add configurable -Werror for arch/powerpc 2009-06-16 14:15:45 +10:00
math-emu powerpc/math-emu: Fix efp dependence 2009-03-11 06:00:08 -05:00
mm powerpc: Add configurable -Werror for arch/powerpc 2009-06-16 14:15:45 +10:00
oprofile powerpc: Add configurable -Werror for arch/powerpc 2009-06-16 14:15:45 +10:00
platforms powerpc/85xx: Fix issue found by lockdep trace in smp_85xx_kick_cpu 2009-06-23 08:09:57 -05:00
sysdev powerpc/qe: add polling timeout to qe_issue_cmd() 2009-06-23 08:09:41 -05:00
xmon powerpc: Add configurable -Werror for arch/powerpc 2009-06-16 14:15:45 +10:00
Kconfig powerpc: Use generic atomic64_t implementation on 32-bit processors 2009-06-15 13:27:38 +10:00
Kconfig.debug powerpc: Add configurable -Werror for arch/powerpc 2009-06-16 14:15:45 +10:00
Makefile powerpc: Move VMX and VSX asm code to vector.S 2009-06-09 16:46:25 +10:00