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Eric W. Biederman 17cf22c33e pidns: Use task_active_pid_ns where appropriate 
The expressions tsk->nsproxy->pid_ns and task_active_pid_ns
aka ns_of_pid(task_pid(tsk)) should have the same number of
cache line misses with the practical difference that
ns_of_pid(task_pid(tsk)) is released later in a processes life.

Furthermore by using task_active_pid_ns it becomes trivial
to write an unshare implementation for the the pid namespace.

So I have used task_active_pid_ns everywhere I can.

In fork since the pid has not yet been attached to the
process I use ns_of_pid, to achieve the same effect.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
 		2012-11-19 05:59:09 -08:00
..
alpha alpha: separate thread-synchronous flags 2012-10-24 05:16:45 +03:00
arm arm-soc: fixes for v3.7-rc3 2012-10-28 11:12:38 -07:00
arm64 arm64: fix alignment padding in assembly code 2012-10-20 11:12:01 +01:00
avr32 Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
blackfin Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
c6x Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
cris Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
frv FRV: Fix const sections change 2012-10-16 18:49:15 -07:00
h8300 Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
hexagon Hexagon: Copyright marking changes 2012-10-18 17:07:21 -05:00
ia64 UAPI: Make arch/ia64/include/asm/kvm_para.h generic 2012-10-18 17:27:43 -07:00
m32r Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
m68k m68k: Wire up kcmp 2012-10-19 17:49:37 +02:00
microblaze Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
mips userns: On mips modify check_same_owner to use uid_eq 2012-11-19 03:05:15 -08:00
mn10300 UAPI: Make arch/mn10300/include/uapi/asm/setup.h non-empty 2012-10-17 12:32:35 +01:00
openrisc Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
parisc UAPI: (Scripted) Disintegrate arch/parisc/include/asm 2012-10-16 21:28:05 +01:00
powerpc pidns: Use task_active_pid_ns where appropriate 2012-11-19 05:59:09 -08:00
s390 s390,uapi: do not use uapi/asm-generic/kvm_para.h 2012-10-19 11:07:18 +02:00
score Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
sh UAPI: Make arch/sh/include/uapi/asm/hw_breakpoint.h non-empty 2012-10-17 12:32:35 +01:00
sparc UAPI fixes 2012-10-17 2012-10-17 13:40:22 -07:00
tile arch/tile: avoid build warnings from duplicate ELF_R_xxx #defines 2012-10-23 10:22:48 -04:00
um pidns: Use task_active_pid_ns where appropriate 2012-11-19 05:59:09 -08:00
unicore32 Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
x86 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-10-26 09:35:46 -07:00
xtensa xtensa: add missing system calls to the syscall table 2012-10-19 10:46:44 -07:00
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Kconfig Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00