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John Blackwood 5db4fd8c52 arm64: Clear out any singlestep state on a ptrace detach operation 
Make sure to clear out any ptrace singlestep state when a ptrace(2)
PTRACE_DETACH call is made on arm64 systems.

Otherwise, the previously ptraced task will die off with a SIGTRAP
signal if the debugger just previously singlestepped the ptraced task.

Cc: <stable@vger.kernel.org>
Signed-off-by: John Blackwood <john.blackwood@ccur.com>
[will: added comment to justify why this is in the arch code]
Signed-off-by: Will Deacon <will.deacon@arm.com>
 		2015-12-07 17:48:21 +00:00
..
alpha mm: mlock: add mlock flags to enable VM_LOCKONFAULT usage 2015-11-05 19:34:48 -08:00
arc ARC: dw2 unwind: Remove falllback linear search thru FDE entries 2015-11-23 21:36:49 +05:30
arm RTC fixes for 4.4 2015-11-29 17:30:41 -08:00
arm64 arm64: Clear out any singlestep state on a ptrace detach operation 2015-12-07 17:48:21 +00:00
avr32 dmaengine updates for 4.4-rc1 2015-11-10 10:05:17 -08:00
blackfin Merge branch 'strscpy' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2015-10-04 16:31:13 +01:00
c6x irqdomain: Use irq_domain_get_of_node() instead of direct field access 2015-10-13 19:01:23 +02:00
cris cris: Drop reference to get_cmos_time() 2015-11-02 20:03:05 +01:00
frv kmap_atomic_to_page() has no users, remove it 2015-11-09 15:11:24 -08:00
h8300 h8300 update for v4.4 2015-11-12 15:26:39 -08:00
hexagon Linux 4.3-rc4 2015-10-06 17:10:28 +02:00
ia64 Power management and ACPI updates for v4.4-rc1 2015-11-04 18:10:13 -08:00
m32r Linux 4.3-rc4 2015-10-06 17:10:28 +02:00
m68k m68k: Wire up mlock2 2015-11-22 11:35:26 +01:00
metag Metag architecture changes for v4.4 2015-11-10 16:24:25 -08:00
microblaze kmap_atomic_to_page() has no users, remove it 2015-11-09 15:11:24 -08:00
mips Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-11-29 17:24:35 -08:00
mn10300 Linux 4.3-rc4 2015-10-06 17:10:28 +02:00
nios2 nios2: fix cache coherency 2015-11-26 22:25:58 +08:00
openrisc
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parisc Merge branch 'parisc-4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux 2015-11-22 12:50:58 -08:00
powerpc powerpc/tm: Check for already reclaimed tasks 2015-11-23 20:18:03 +11:00
s390 KVM/ARM Fixes for v4.4-rc3. 2015-11-24 19:34:40 +01:00
score Merge branch 'strscpy' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2015-10-04 16:31:13 +01:00
sh Merge branch 'akpm' (patches from Andrew) 2015-11-07 14:32:45 -08:00
sparc sparc/sparc64: allocate sys_membarrier system call number 2015-11-09 15:11:24 -08:00
tile kmap_atomic_to_page() has no users, remove it 2015-11-09 15:11:24 -08:00
um um: Switch clocksource to hrtimers 2015-11-06 22:54:49 +01:00
unicore32 pwm: Changes for v4.4-rc1 2015-11-11 09:16:10 -08:00
x86 KVM: nVMX: remove incorrect vpid check in nested invvpid emulation 2015-11-25 15:52:55 +01:00
xtensa Merge branch 'for-4.4/io-poll' of git://git.kernel.dk/linux-block 2015-11-10 17:23:49 -08:00
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