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Kevin Hao 2cd76629f6 powerpc/trace: Add a dummy stack frame for trace_hardirqs_off 
The trace_hardirqs_off will use CALLER_ADDR0 and CALLER_ADDR1.
If an exception occurs in user mode, there is only one stack frame
on the stack and accessing the CALLER_ADDR1 will causes the following
call trace. So we create a dummy stack frame to make
trace_hardirqs_off happy.

WARNING: at kernel/smp.c:459
Modules linked in:
NIP: c0093280 LR: c00930a0 CTR: c0010780
REGS: edb87ae0 TRAP: 0700   Not tainted  (3.1.0)
MSR: 00021002 <ME,CE>  CR: 28002888  XER: 00000000
TASK = edce2ac0[17658] 'mthread-lock-on' THREAD: edb86000 CPU: 5
GPR00: 00000001 edb87b90 edce2ac0 00000005 c0019594 edb87bd8 00000001 00000fe3
GPR08: 00041000 c084138c 4e20120d edb87b90 48002888 1001aa7c 00000000 00000000
GPR16: 48830000 10012a8c 00000000 10000af4 00000001 c0810000 00000000 00000000
GPR24: ee9aa920 c0816a18 00000000 00000005 c0019594 edb87bd8 ee20178c edb87b90
NIP [c0093280] smp_call_function_many+0x214/0x2b4
LR [c00930a0] smp_call_function_many+0x34/0x2b4
Call Trace:
[edb87b90] [c00930a0] smp_call_function_many+0x34/0x2b4 (unreliable)
[edb87bd0] [c00194ec] __flush_tlb_page+0xac/0x100
[edb87c00] [c001957c] flush_tlb_page+0x3c/0x54
[edb87c10] [c00180ac] ptep_set_access_flags+0x74/0x12c
[edb87c40] [c0128068] handle_pte_fault+0x2f0/0x9ac
[edb87cb0] [c0128c3c] handle_mm_fault+0x104/0x1dc
[edb87ce0] [c05f40f4] do_page_fault+0x2dc/0x630
[edb87e50] [c001078c] handle_page_fault+0xc/0x80

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-16 14:47:54 +11:00
..
vdso32
Fix common misspellings
2011-03-31 11:26:23 -03:00
vdso64
Fix common misspellings
2011-03-31 11:26:23 -03:00
.gitignore
…
align.c
…
asm-offsets.c
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2011-11-06 17:12:03 -08:00
audit.c
…
btext.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
cacheinfo.c
…
cacheinfo.h
…
clock.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
compat_audit.c
…
cpu_setup_6xx.S
powerpc: Fix some 6xx/7xxx CPU setup functions
2011-02-07 12:57:11 +11:00
cpu_setup_44x.S
powerpc/44x: Add support for the AMCC APM821xx SoC
2010-10-13 08:47:09 -04:00
cpu_setup_a2.S
powerpc: Add A2 cpu support
2011-04-27 13:02:02 +10:00
cpu_setup_fsl_booke.S
powerpc/e5500: set non-base IVORs
2011-05-19 00:36:43 -05:00
cpu_setup_pa6t.S
…
cpu_setup_power7.S
powerpc, KVM: Split HVMODE_206 cpu feature bit into separate HV and architecture bits
2011-07-12 13:16:58 +03:00
cpu_setup_ppc970.S
powerpc, KVM: Split HVMODE_206 cpu feature bit into separate HV and architecture bits
2011-07-12 13:16:58 +03:00
cputable.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
crash_dump.c
crash_dump: export is_kdump_kernel to modules, consolidate elfcorehdr_addr, setup_elfcorehdr and saved_max_pfn
2011-03-23 19:47:19 -07:00
crash.c
powerpc: add export.h to files making use of EXPORT_SYMBOL
2011-10-31 19:30:37 -04:00
dbell.c
powerpc: Consolidate ipi message mux and demux
2011-05-19 15:31:03 +10:00
dma-iommu.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
dma-swiotlb.c
powerpc: Use the newly added get_required_mask dma_map_ops hook
2011-09-20 09:19:35 +10:00
dma.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
e500-pmu.c
perf, arch: Add generic NODE cache events
2011-07-01 11:06:38 +02:00
entry_32.S
powerpc/trace: Add a dummy stack frame for trace_hardirqs_off
2011-11-16 14:47:54 +11:00
entry_64.S
powerpc: Free up some CPU feature bits by moving out MMU-related features
2011-04-27 14:18:52 +10:00
exceptions-64e.S
powerpc/book3e-64: Reraise doorbell when masked by soft-irq-disable
2011-06-29 16:40:59 +10:00
exceptions-64s.S
powerpc/kvm: Fix build failure with HV KVM and CBE
2011-11-08 15:34:04 +11:00
firmware.c
powerpc: fix implicit use of cache.h in kernel/firmware.c
2011-10-31 19:30:41 -04:00
fpu.S
powerpc: Remove second definition of STACK_FRAME_OVERHEAD
2010-11-29 15:48:23 +11:00
fsl_booke_entry_mapping.S
…
ftrace.c
powerpc/ftrace: Implement raw syscall tracepoints on PowerPC
2011-05-26 13:38:57 +10:00
head_8xx.S
powerpc/32: Pass device tree address as u64 to machine_init
2011-09-20 09:19:47 +10:00
head_32.S
powerpc/32: Pass device tree address as u64 to machine_init
2011-09-20 09:19:47 +10:00
head_40x.S
powerpc/32: Pass device tree address as u64 to machine_init
2011-09-20 09:19:47 +10:00
head_44x.S
powerpc/32: Pass device tree address as u64 to machine_init
2011-09-20 09:19:47 +10:00
head_64.S
powerpc/powernv: Support for OPAL console
2011-09-20 16:09:54 +10:00
head_booke.h
powerpc/85xx: Save scratch registers to thread info instead of using SPRGs.
2011-06-22 21:44:55 -05:00
head_fsl_booke.S
powerpc/fsl_booke: Fix comment in head_fsl_booke.S
2011-11-03 13:12:28 -05:00
hw_breakpoint.c
powerpc: remove non-required uses of include <linux/module.h>
2011-10-31 19:30:44 -04:00
ibmebus.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
idle_6xx.S
…
idle_book3e.S
…
idle_e500.S
powerpc: e500mc: Fix: use CONFIG_PPC_E500MC in idle_e500.S
2011-10-11 23:23:24 -05:00
idle_power4.S
powerpc/pmac/smp: Properly NAP offlined CPU on G5
2011-04-01 15:37:25 +11:00
idle_power7.S
KVM: PPC: Allow book3s_hv guests to use SMT processor modes
2011-07-12 13:16:57 +03:00
idle.c
…
init_task.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
io-workarounds.c
powerpc: io-workarounds.c was implicitly getting init_mm
2011-10-31 19:30:37 -04:00
io.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
iomap.c
powerpc: include export.h for files using EXPORT_SYMBOL/THIS_MODULE
2011-10-31 19:30:38 -04:00
iommu.c
powerpc: Reserve iommu page 0
2011-09-23 10:27:03 +10:00
irq.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
isa-bridge.c
powerpc: add export.h to files making use of EXPORT_SYMBOL
2011-10-31 19:30:37 -04:00
jump_label.c
powerpc: Fix build breakage in jump_label.c
2011-11-16 14:25:19 +11:00
kgdb.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2011-05-23 09:12:26 -07:00
kprobes.c
…
kvm_emul.S
KVM: PPC: Make PV mtmsrd L=1 work with r30 and r31
2010-10-24 10:52:14 +02:00
kvm.c
powerpc: Copy down exception vectors after feature fixups
2011-11-16 14:47:54 +11:00
l2cr_6xx.S
Fix common misspellings
2011-03-31 11:26:23 -03:00
legacy_serial.c
serial/8250: Move UPIO_TSI to powerpc
2011-09-20 09:19:39 +10:00
lparcfg.c
powerpc/pseries: Add page coalescing support
2011-05-04 16:02:21 +10:00
machine_kexec_32.c
powerpc/kexec: make masking/disabling interrupts generic
2010-10-14 00:52:46 -05:00
machine_kexec_64.c
powerpc: Use for_each_node_by_type instead of open coding it
2011-09-20 15:53:23 +10:00
machine_kexec.c
powerpc: Move kdump default base address to half RMO size on 64bit
2011-08-05 14:47:56 +10:00
Makefile
powerpc: Add jump label support
2011-07-01 13:48:55 +10:00
misc_32.S
powerpc/4xx: Fix typos in kexec config dependencies
2011-11-16 14:47:54 +11:00
misc_64.S
powerpc/maple: Enable scom access functions on Maple
2011-06-29 17:48:20 +10:00
misc.S
powerpc: Remove unneeded cpu_setup/restore from POWER7 cputable entry
2010-11-29 15:48:22 +11:00
module_32.c
modules: make arch's use default loader hooks
2011-07-24 22:06:04 +09:30
module_64.c
modules: make arch's use default loader hooks
2011-07-24 22:06:04 +09:30
module.c
powerpc: remove non-required uses of include <linux/module.h>
2011-10-31 19:30:44 -04:00
mpc7450-pmu.c
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2011-07-25 22:59:39 -07:00
msi.c
…
nvram_64.c
powerpc/nvram: Generalize code for OS partitions in NVRAM
2011-03-04 18:19:04 +11:00
of_platform.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
paca.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
pci_32.c
powerpc: include export.h for files using EXPORT_SYMBOL/THIS_MODULE
2011-10-31 19:30:38 -04:00
pci_64.c
powerpc: add export.h to files making use of EXPORT_SYMBOL
2011-10-31 19:30:37 -04:00
pci_dn.c
powerpc: add export.h to files making use of EXPORT_SYMBOL
2011-10-31 19:30:37 -04:00
pci_of_scan.c
powerpc: add export.h to files making use of EXPORT_SYMBOL
2011-10-31 19:30:37 -04:00
pci-common.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
perf_callchain.c
powerpc/perf: Disable pagefaults during callchain stack read
2011-08-05 14:47:56 +10:00
perf_event_fsl_emb.c
perf: Remove the nmi parameter from the swevent and overflow interface
2011-07-01 11:06:35 +02:00
perf_event.c
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2011-07-25 22:59:39 -07:00
pmc.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
power4-pmu.c
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2011-07-25 22:59:39 -07:00
power5-pmu.c
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2011-07-25 22:59:39 -07:00
power5+-pmu.c
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2011-07-25 22:59:39 -07:00
power6-pmu.c
powerpc/perf_event: Fix Power6 L1 cache read & write event codes]
2011-09-29 17:04:59 +10:00
power7-pmu.c
perf events, powerpc: Add POWER7 stalled-cycles-frontend/backend events
2011-09-20 16:12:56 +10:00
ppc32.h
…
ppc970-pmu.c
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2011-07-25 22:59:39 -07:00
ppc_ksyms.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
ppc_save_regs.S
Fix common misspellings
2011-03-31 11:26:23 -03:00
proc_powerpc.c
…
process.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
prom_init_check.sh
powerpc/powernv: Get kernel command line accross OPAL takeover
2011-09-20 16:09:48 +10:00
prom_init.c
powerpc: panic if we can't instantiate RTAS
2011-11-16 14:47:54 +11:00
prom_parse.c
powerpc: remove non-required uses of include <linux/module.h>
2011-10-31 19:30:44 -04:00
prom.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
ptrace32.c
powerpc: Update compat_arch_ptrace
2010-12-09 15:35:32 +11:00
ptrace.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
reloc_64.S
…
rtas_flash.c
notifiers: sys: move reboot notifiers into reboot.h
2011-07-25 20:57:14 -07:00
rtas_pci.c
powerpc: rename ppc_pci_*_flags to pci_*_flags
2011-07-12 09:28:04 -05:00
rtas-proc.c
…
rtas-rtc.c
powerpc/rtas-rtc: remove sideeffects of printk_ratelimit
2011-06-29 15:30:43 +10:00
rtas.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
rtasd.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
setup_32.c
powerpc: Copy down exception vectors after feature fixups
2011-11-16 14:47:54 +11:00
setup_64.c
powerpc: Copy down exception vectors after feature fixups
2011-11-16 14:47:54 +11:00
setup-common.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
setup.h
…
signal_32.c
arch/powerpc: use printk_ratelimited instead of printk_ratelimit
2011-06-29 15:31:01 +10:00
signal_64.c
powerpc: remove non-required uses of include <linux/module.h>
2011-10-31 19:30:44 -04:00
signal.c
…
signal.h
…
smp-tbsync.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
smp.c
powerpc/irq: Remove IRQF_DISABLED
2011-11-08 14:51:46 +11:00
softemu8xx.c
…
stacktrace.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
suspend.c
…
swsusp_32.S
Fix common misspellings
2011-03-31 11:26:23 -03:00
swsusp_64.c
powerpc: Fix up implicit sched.h users
2011-10-31 19:30:40 -04:00
swsusp_asm64.S
…
swsusp_booke.S
…
swsusp.c
powerpc/mm: Fix the call trace when resumed from hibernation
2011-09-20 09:19:58 +10:00
sys_ppc32.c
BKL: remove extraneous #include <smp_lock.h>
2010-11-17 08:59:32 -08:00
syscalls.c
…
sysfs.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
systbl_chk.c
…
systbl_chk.sh
…
systbl.S
…
tau_6xx.c
…
time.c
powerpc: various straight conversions from module.h --> export.h
2011-10-31 19:30:44 -04:00
traps.c
powerpc/fsl-booke: Handle L1 D-cache parity error correctly on e500mc
2011-10-06 23:36:55 -05:00
udbg_16550.c
powerpc: Add early debug for WSP platforms
2011-05-06 13:32:41 +10:00
udbg.c
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2011-11-06 17:12:03 -08:00
vdso.c
powerpc: remove non-required uses of include <linux/module.h>
2011-10-31 19:30:44 -04:00
vecemu.c
…
vector.S
powerpc: Remove static branch hint in giveup_altivec
2011-05-19 14:30:42 +10:00
vio.c
Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
2011-11-06 19:44:47 -08:00
vmlinux.lds.S
percpu: Always align percpu output section to PAGE_SIZE
2011-03-24 18:50:09 +01:00