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Aaron Tomlin f3aca3d095 nmi: provide the option to issue an NMI back trace to every cpu but current 
Sometimes it is preferred not to use the trigger_all_cpu_backtrace()
routine when one wants to avoid capturing a back trace for current.  For
instance if one was previously captured recently.

This patch provides a new routine namely
trigger_allbutself_cpu_backtrace() which offers the flexibility to issue
an NMI to every cpu but current and capture a back trace accordingly.

Patch x86 and sparc to support new routine.

[dzickus@redhat.com: add stub in #else clause]
[dzickus@redhat.com: don't print message in single processor case, wrap with get/put_cpu based on Oleg's suggestion]
[sfr@canb.auug.org.au: undo C99ism]
Signed-off-by: Aaron Tomlin <atomlin@redhat.com>
Signed-off-by: Don Zickus <dzickus@redhat.com>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: Mateusz Guzik <mguzik@redhat.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2014-06-23 16:47:44 -07:00
..
.gitignore
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Makefile sparc32: drop tadpole specific code 2014-05-18 19:01:29 -07:00
apc.c sparc idle: rename pm_idle to sparc_idle 2013-02-17 23:36:56 -05:00
asm-offsets.c [PATCH] sparc32: vm_area_struct access for old Sun SPARCs. 2013-07-10 13:56:10 -07:00
audit.c sparc64: fix sparse warnings in compat_audit.c 2014-05-18 19:01:34 -07:00
auxio_32.c sparc32: fix sparse warning in auxio_32.c 2014-05-18 19:01:27 -07:00
auxio_64.c sparc: remove __devinit, __devexit annotations 2013-01-12 15:28:45 -08:00
btext.c sparc64: fix sparse warning in btext.c 2014-05-18 19:01:30 -07:00
central.c sparc: remove __devinit, __devexit annotations 2013-01-12 15:28:45 -08:00
cherrs.S
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chmc.c sparc: remove __devinit, __devexit annotations 2013-01-12 15:28:45 -08:00
compat_audit.c sparc64: fix sparse warnings in compat_audit.c 2014-05-18 19:01:34 -07:00
cpu.c sparc: fix sparse warnings in cpu.c 2014-04-29 01:12:25 -04:00
cpumap.c sparc: delete non-required instances of include <linux/init.h> 2014-01-28 23:38:23 -08:00
cpumap.h sparc: drop use of extern for prototypes in arch/sparc/* 2014-05-18 19:01:29 -07:00
devices.c sparc32: drop tadpole specific code 2014-05-18 19:01:29 -07:00
dma.c sparc: remove several unnecessary module.h include instances 2011-10-31 19:30:54 -04:00
ds.c sparc: fix ldom_reboot buffer overflow harder 2013-10-02 20:01:56 -04:00
dtlb_miss.S
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dtlb_prot.S
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ebus.c sparc: delete non-required instances of include <linux/init.h> 2014-01-28 23:38:23 -08:00
entry.S sparc32: Fix exit flag passed from traced sys_sigreturn 2013-07-31 19:10:04 -07:00
entry.h sparc: drop use of extern for prototypes in arch/sparc/* 2014-05-18 19:01:29 -07:00
etrap_32.S sparc32: introduce support for run-time patching for all shared assembler code 2012-05-27 23:52:49 -07:00
etrap_64.S sparc64: clear syscall_noerror on the entry to syscall, not on the exit 2012-10-14 19:26:52 -04:00
fpu_traps.S
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ftrace.c ftrace: Do not pass data to ftrace_dyn_arch_init 2014-03-07 10:06:14 -05:00
getsetcc.S
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head_32.S sparc32: drop swapper_pg_dir 2012-07-26 16:46:15 -07:00
head_64.S sparc64: Use 'ILOG2_4MB' instead of constant '22'. 2014-05-03 22:52:50 -07:00
helpers.S sparc64: Fix perf_arch_get_caller_regs(). 2010-08-08 22:07:36 -07:00
hvapi.c sparc: fix format string argument for prom_printf() 2012-10-02 23:20:34 -04:00
hvcalls.S sparc64: Add hypervisor interfaces for SPARC-T4 perf counter access. 2012-08-18 23:03:53 -07:00
hvtramp.S sparc: delete non-required instances of include <linux/init.h> 2014-01-28 23:38:23 -08:00
idprom.c sparc: Clear out unused asm/machines.h values. 2012-05-11 20:45:18 -07:00
iommu.c sparc64: fix sparse warning in pci.c 2014-05-18 19:01:31 -07:00
iommu_common.h sparc: drop use of extern for prototypes in arch/sparc/* 2014-05-18 19:01:29 -07:00
ioport.c sparc32: fix sparse warnings in ioport.c 2014-04-29 01:12:25 -04:00
irq.h sparc: drop use of extern for prototypes in arch/sparc/* 2014-05-18 19:01:29 -07:00
irq_32.c sparc32: fix sparse warnings in irq_32.c 2014-04-29 01:12:25 -04:00
irq_64.c irq: Consolidate do_softirq() arch overriden implementations 2013-10-01 12:53:25 +02:00
itlb_miss.S
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ivec.S
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jump_label.c sparc: Fix even more fallout from system.h split. 2012-03-29 22:40:52 -07:00
kernel.h sparc64: fix sparse warning in kgdb_64.c 2014-05-18 19:01:34 -07:00
kgdb_32.c sparc: explicitly include sched.h to get task_thread_info declaration 2013-02-06 11:04:10 -08:00
kgdb_64.c sparc64: fix sparse warning in kgdb_64.c 2014-05-18 19:01:34 -07:00
kprobes.c sparc64: fix sparse warnings in kprobes.c 2014-05-18 19:01:32 -07:00
kstack.h
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ktlb.S sparc64: Use 'ILOG2_4MB' instead of constant '22'. 2014-05-03 22:52:50 -07:00
ldc.c sparc: remove deprecated IRQF_DISABLED 2013-10-02 20:02:35 -04:00
led.c
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leon_kernel.c sparc32: fix sparse warnings in time_32.c 2014-05-18 19:01:27 -07:00
leon_pci.c sparc32: introduce asm-generic/io.h 2014-05-02 01:30:21 -04:00
leon_pci_grpci1.c sparc32: replace flip_dword() with swab32() 2014-05-02 01:30:21 -04:00
leon_pci_grpci2.c sparc32: replace flip_dword() with swab32() 2014-05-02 01:30:21 -04:00
leon_pmc.c sparc32: fix sparse warnings in leon_pmc.c 2014-04-29 01:12:27 -04:00
leon_smp.c sparc32: fix sparse warnings in leon_smp.c 2014-04-29 01:12:27 -04:00
mdesc.c sparc64, sched: Remove unused sparc64_multi_core 2014-03-11 12:05:47 +01:00
misctrap.S
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module.c mm/arch: use NUMA_NO_NODE 2013-11-13 12:09:05 +09:00
nmi.c sparc64: Normalize NMI watchdog logging and behavior. 2014-05-03 22:25:33 -07:00
of_device_32.c sparc32: rename sparc_irq_config to sparc_config 2012-04-15 10:28:49 -07:00
of_device_64.c devicetree: add helper inline for retrieving a node's full name 2012-07-06 07:16:34 -05:00
of_device_common.c sparc: fix sparse warnings in of_device_common.c 2014-04-29 01:12:27 -04:00
of_device_common.h
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pci.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next 2014-06-19 07:50:07 -10:00
pci_common.c sparc: delete non-required instances of include <linux/init.h> 2014-01-28 23:38:23 -08:00
pci_fire.c sparc: remove __devinit, __devexit annotations 2013-01-12 15:28:45 -08:00
pci_impl.h sparc: drop use of extern for prototypes in arch/sparc/* 2014-05-18 19:01:29 -07:00
pci_msi.c sparc: convert old cpumask API into new one 2011-05-16 13:38:07 -07:00
pci_psycho.c sparc: remove __devinit, __devexit annotations 2013-01-12 15:28:45 -08:00
pci_sabre.c sparc: remove __devinit, __devexit annotations 2013-01-12 15:28:45 -08:00
pci_schizo.c sparc: remove __devinit, __devexit annotations 2013-01-12 15:28:45 -08:00
pci_sun4v.c sparc: remove __devinit, __devexit annotations 2013-01-12 15:28:45 -08:00
pci_sun4v.h sparc: drop use of extern for prototypes in arch/sparc/* 2014-05-18 19:01:29 -07:00
pci_sun4v_asm.S
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pcic.c sparc32: fix sparse warnings in pcic.c 2014-05-18 19:01:27 -07:00
pcr.c sparc64: Add PCR ops for SPARC-T4. 2012-08-18 23:26:19 -07:00
perf_event.c sparc64: fix sparse warnings in perf_event.c 2014-05-18 19:01:33 -07:00
pmc.c sparc idle: rename pm_idle to sparc_idle 2013-02-17 23:36:56 -05:00
power.c sparc: remove __devinit, __devexit annotations 2013-01-12 15:28:45 -08:00
process_32.c sparc32: fix sparse warning in auxio_32.c 2014-05-18 19:01:27 -07:00
process_64.c nmi: provide the option to issue an NMI back trace to every cpu but current 2014-06-23 16:47:44 -07:00
prom.h sparc: drop use of extern for prototypes in arch/sparc/* 2014-05-18 19:01:29 -07:00
prom_32.c sparc: remove several unnecessary module.h include instances 2011-10-31 19:30:54 -04:00
prom_64.c sparc64: fix sparse warning in prom_64.c 2014-05-18 19:01:31 -07:00
prom_common.c of: Fix locking vs. interrupts 2013-06-13 22:12:14 +01:00
prom_irqtrans.c sparc: Remove unnecessary semicolons 2011-06-07 16:06:34 -07:00
psycho_common.c sparc: Remove unnecessary semicolons 2011-06-07 16:06:34 -07:00
psycho_common.h sparc: drop use of extern for prototypes in arch/sparc/* 2014-05-18 19:01:29 -07:00
ptrace_32.c sparc32: fix sparse warning in ptrace_32.c 2014-04-29 01:12:26 -04:00
ptrace_64.c sparc64: Implement HAVE_CONTEXT_TRACKING 2013-11-14 14:57:21 -08:00
reboot.c Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
rtrap_32.S sparc32: introduce support for run-time patching for all shared assembler code 2012-05-27 23:52:49 -07:00
rtrap_64.S Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-11-19 10:40:00 -08:00
sbus.c sparc: kernel/sbus.c: fix memory leakage 2013-01-21 14:33:00 -08:00
setup_32.c sparc32: fix sparse warnings in setup_32.c 2014-04-29 01:12:25 -04:00
setup_64.c cpu hw caps support for sparc64x 2013-07-31 19:10:03 -07:00
signal32.c sparc64: clean up compat_sigset_t.seta handling 2014-05-18 19:01:32 -07:00
signal_32.c sparc32: fix sparse warnings in signal_32.c 2014-04-29 01:12:25 -04:00
signal_64.c sparc64: fix sparse "Should it be static?" warnings in signal32.c 2014-05-18 19:01:32 -07:00
sigutil.h sparc: Allow handling signals when stack is corrupted. 2011-08-20 17:14:54 -07:00
sigutil_32.c Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
sigutil_64.c Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
smp_32.c sparc: fix sparse warnings in smp_32.c + smp_64.c 2014-05-18 19:01:33 -07:00
smp_64.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next 2014-06-19 07:50:07 -10:00
sparc_ksyms_32.c sparc: delete non-required instances of include <linux/init.h> 2014-01-28 23:38:23 -08:00
sparc_ksyms_64.c sparc: delete non-required instances of include <linux/init.h> 2014-01-28 23:38:23 -08:00
spiterrs.S
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sstate.c sparc: Set reboot-cmd using reboot data hypervisor call if available. 2011-08-02 21:28:52 -07:00
stacktrace.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
starfire.c sparc: explicitly cast negative phandle checks to s32 2011-01-03 20:02:06 -07:00
sun4d_irq.c sparc32: fix sparse warnings in sun4d_irq.c 2014-04-29 01:12:25 -04:00
sun4d_smp.c sparc: delete __cpuinit/__CPUINIT usage from all users 2013-07-14 19:36:52 -04:00
sun4m_irq.c sun4M: add include of slab.h for kzalloc 2014-02-12 16:10:45 -05:00
sun4m_smp.c sparc: delete __cpuinit/__CPUINIT usage from all users 2013-07-14 19:36:52 -04:00
sun4v_ivec.S
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sun4v_tlb_miss.S sparc64: Move from 4MB to 8MB huge pages. 2013-11-12 15:22:34 -08:00
sys32.S sparc64: Fix argument sign extension for compat_sys_futex(). 2014-05-02 01:13:35 -04:00
sys_sparc32.c sparc64: fix sparse warnings in sys_sparc32.c 2014-05-18 19:01:31 -07:00
sys_sparc_32.c sparc32: fix sparse warnings in sys_sparc_32.c 2014-05-18 19:01:28 -07:00
sys_sparc_64.c sparc64: fix sparse warnings in sys_sparc_64.c + unaligned_64.c 2014-05-18 19:01:30 -07:00
syscalls.S sparc64: don't treat 64-bit syscall return codes as 32-bit 2014-03-17 15:54:52 -04:00
sysfs.c sparc64: fix format string mismatch in arch/sparc/kernel/sysfs.c 2014-05-21 12:54:42 -07:00
systbls.h sparc64: fix sparse warnings in sys_sparc32.c 2014-05-18 19:01:31 -07:00
systbls_32.S sparc: Hook up sched_setattr and sched_getattr syscalls. 2014-01-29 00:45:06 -08:00
systbls_64.S sparc: Hook up sched_setattr and sched_getattr syscalls. 2014-01-29 00:45:06 -08:00
time_32.c sparc32: fix sparse warnings in time_32.c 2014-05-18 19:01:27 -07:00
time_64.c ACPI and power management updates for 3.15-rc1 2014-04-01 12:48:54 -07:00
trampoline_32.S sparc: delete non-required instances of include <linux/init.h> 2014-01-28 23:38:23 -08:00
trampoline_64.S sparc: delete non-required instances of include <linux/init.h> 2014-01-28 23:38:23 -08:00
traps_32.c sparc: fix sparse warning in math_{32,64} 2014-05-18 19:01:28 -07:00
traps_64.c sparc64: fix sparse warnings in sys_sparc_64.c + unaligned_64.c 2014-05-18 19:01:30 -07:00
tsb.S sparc64: Move from 4MB to 8MB huge pages. 2013-11-12 15:22:34 -08:00
ttable_32.S sparc32: move trap table to a separate file 2012-05-19 23:27:25 -07:00
ttable_64.S sparc64: renamed ttable.S to ttable_64.S 2012-05-19 23:26:41 -07:00
una_asm_32.S sparc32: unaligned memory access (MNA) trap handler bug 2011-02-01 12:39:59 -08:00
una_asm_64.S sparc: Fix .size directive for do_int_load 2011-03-16 18:19:15 -07:00
unaligned_32.c sparc32: fix sparse warnings in unaligned_32.c 2014-04-29 01:12:26 -04:00
unaligned_64.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next 2014-06-19 07:50:07 -10:00
utrap.S
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vio.c sparc/kernel/vio.c: add put_device() after device_find_child() 2013-05-04 17:38:18 -07:00
viohs.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
visemul.c sparc64: Make montmul/montsqr/mpmul usable in 32-bit threads. 2012-10-26 15:18:37 -07:00
vmlinux.lds.S sparc64: Make PAGE_OFFSET variable. 2013-11-12 15:22:34 -08:00
windows.c sparc32: fix sparse warnings in windows.c 2014-04-29 01:12:25 -04:00
winfixup.S sparc64: Make montmul/montsqr/mpmul usable in 32-bit threads. 2012-10-26 15:18:37 -07:00
wof.S sparc32: introduce support for run-time patching for all shared assembler code 2012-05-27 23:52:49 -07:00
wuf.S sparc32: introduce support for run-time patching for all shared assembler code 2012-05-27 23:52:49 -07:00