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bf8f6e5b3e
kernel-ark/arch/x86_64/kernel
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Ananth N Mavinakayanahalli bf8f6e5b3e Kprobes: The ON/OFF knob thru debugfs 
This patch provides a debugfs knob to turn kprobes on/off

o A new file /debug/kprobes/enabled indicates if kprobes is enabled or
  not (default enabled)
o Echoing 0 to this file will disarm all installed probes
o Any new probe registration when disabled will register the probe but
  not arm it. A message will be printed out in such a case.
o When a value 1 is echoed to the file, all probes (including ones
  registered in the intervening period) will be enabled
o Unregistration will happen irrespective of whether probes are globally
  enabled or not.
o Update Documentation/kprobes.txt to reflect these changes. While there
  also update the doc to make it current.

We are also looking at providing sysrq key support to tie to the disabling
feature provided by this patch.

[akpm@linux-foundation.org: Use bool like a bool!]
[akpm@linux-foundation.org: add printk facility levels]
[cornelia.huck@de.ibm.com: Add the missing arch_trampoline_kprobe() for s390]
Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Signed-off-by: Srinivasa DS <srinivasa@in.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08 11:15:19 -07:00
..
acpi [PATCH] x86-64: Move cpu verification code to common file 2007-05-02 19:27:08 +02:00
cpufreq [CPUFREQ] cleanup kconfig options 2007-04-26 14:32:03 -04:00
aperture.c [PATCH] x86-64: x86-64 system crashes when no memory populating Node 0 2007-05-02 19:27:13 +02:00
apic.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
asm-offsets.c [PATCH] x86-64: Auto compute __NR_syscall_max at compile time 2007-05-02 19:27:18 +02:00
audit.c
bugs.c [PATCH] x86: update for i386 and x86-64 check_bugs 2007-05-02 19:27:16 +02:00
crash_dump.c
crash.c move die notifier handling to common code 2007-05-08 11:15:04 -07:00
e820.c swsusp: do not use page flags 2007-05-07 12:12:59 -07:00
early_printk.c Fixes and cleanups for earlyprintk aka boot console 2007-05-08 11:15:04 -07:00
early-quirks.c [PATCH] x86: revert x86_64-mm-fix-the-irqbalance-quirk-for-e7320-e7520-e7525 2007-05-02 19:27:04 +02:00
entry.S [PATCH] x86-64: a few missing entry.S annotations 2007-05-02 19:27:05 +02:00
genapic_flat.c [PATCH] x86-64: Fix allnoconfig error in genapic_flat.c 2007-05-02 19:27:21 +02:00
genapic.c [PATCH] x86: adjust inclusion of asm/fixmap.h 2007-05-02 19:27:04 +02:00
head64.c [PATCH] x86-64: build-time checking 2007-05-02 19:27:08 +02:00
head.S [PATCH] x86-64: Remove unused stext symbol 2007-05-02 19:27:10 +02:00
hpet.c failsafe mechanism to HPET clock calibration 2007-04-14 21:44:03 -07:00
i387.c [PATCH] x86-64: use BUILD_BUG_ON in FPU code 2006-12-07 02:14:01 +01:00
i8259.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
init_task.c
io_apic.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
ioport.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
irq.c [PATCH] x86-64: survive having no irq mapping for a vector 2007-02-13 13:26:25 +01:00
k8.c cache_k8_northbridges() overflows beyond allocation 2007-04-16 18:09:18 -07:00
kprobes.c Kprobes: The ON/OFF knob thru debugfs 2007-05-08 11:15:19 -07:00
ldt.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
machine_kexec.c Revert "[PATCH] x86: __pa and __pa_symbol address space separation" 2007-05-07 08:44:24 -07:00
Makefile [PATCH] x86-64: Use the 32bit wd_ops for 64bit too. 2007-05-02 19:27:20 +02:00
mce_amd.c [PATCH] x86-64: Allow to run a program when a machine check event is detected 2007-02-13 13:26:23 +01:00
mce_intel.c
mce.c move die notifier handling to common code 2007-05-08 11:15:04 -07:00
module.c [PATCH] Generic BUG for x86-64 2006-12-08 08:28:39 -08:00
mpparse.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
nmi.c move die notifier handling to common code 2007-05-08 11:15:04 -07:00
pci-calgary.c [PATCH] x86-64: dma_ops as const 2007-05-02 19:27:06 +02:00
pci-dma.c [PATCH] x86-64: improved iommu documentation 2007-02-13 13:26:21 +01:00
pci-gart.c move die notifier handling to common code 2007-05-08 11:15:04 -07:00
pci-nommu.c [PATCH] x86-64: dma_ops as const 2007-05-02 19:27:06 +02:00
pci-swiotlb.c [PATCH] x86-64: dma_ops as const 2007-05-02 19:27:06 +02:00
pmtimer.c [PATCH] time: x86_64: convert x86_64 to use GENERIC_TIME 2007-02-16 08:14:00 -08:00
process.c move die notifier handling to common code 2007-05-08 11:15:04 -07:00
ptrace.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
reboot.c move die notifier handling to common code 2007-05-08 11:15:04 -07:00
relocate_kernel.S
setup64.c [PATCH] x86: Allow percpu variables to be page-aligned 2007-05-02 19:27:12 +02:00
setup.c Revert "[PATCH] x86: __pa and __pa_symbol address space separation" 2007-05-07 08:44:24 -07:00
signal.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
smp.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
smpboot.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
stacktrace.c simplify the stacktrace code 2007-05-08 11:14:58 -07:00
suspend_asm.S [PATCH] x86-64: Relocatable Kernel Support 2007-05-02 19:27:07 +02:00
suspend.c [PATCH] x86: Save and restore the fixed-range MTRRs of the BSP when suspending 2007-05-02 19:27:17 +02:00
sys_x86_64.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
syscall.c [PATCH] x86-64: Auto compute __NR_syscall_max at compile time 2007-05-02 19:27:18 +02:00
tce.c
time.c [PATCH] x86-64: Fix "Section mismatch" compile warning 2007-05-02 19:27:11 +02:00
trampoline.S [PATCH] x86-64: Move cpu verification code to common file 2007-05-02 19:27:08 +02:00
traps.c move die notifier handling to common code 2007-05-08 11:15:04 -07:00
tsc_sync.c [PATCH] x86: Log reason why TSC was marked unstable 2007-05-02 19:27:08 +02:00
tsc.c [PATCH] x86: Log reason why TSC was marked unstable 2007-05-02 19:27:08 +02:00
verify_cpu.S [PATCH] x86-64: Use symbolic CPU features in early CPUID check 2007-05-02 19:27:20 +02:00
vmlinux.lds.S [PATCH] x86-64: Remove CONFIG_REORDER 2007-05-02 19:27:21 +02:00
vsmp.c [PATCH] Fix build breakage with CONFIG_X86_VSMP 2006-10-12 12:25:27 -07:00
vsyscall.c [PATCH] x86-64: vsyscall_gtod_data diet and vgettimeofday() fix 2007-05-02 19:27:11 +02:00
x8664_ksyms.c [PATCH] x86: Export _proxy_pda for gcc 4.2 2007-03-16 21:07:36 +01:00