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9ec52099e4
android_kernel_xiaomi_sm8350/include
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Cedric Le Goater 9ec52099e4 [PATCH] replace cad_pid by a struct pid 
There are a few places in the kernel where the init task is signaled.  The
ctrl+alt+del sequence is one them.  It kills a task, usually init, using a
cached pid (cad_pid).

This patch replaces the pid_t by a struct pid to avoid pid wrap around
problem.  The struct pid is initialized at boot time in init() and can be
modified through systctl with

	/proc/sys/kernel/cad_pid

[ I haven't found any distro using it ? ]

It also introduces a small helper routine kill_cad_pid() which is used
where it seemed ok to use cad_pid instead of pid 1.

[akpm@osdl.org: cleanups, build fix]
Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-02 07:57:25 -07:00
..
acpi
asm-alpha [PATCH] rename the provided execve functions to kernel_execve 2006-10-02 07:57:23 -07:00
asm-arm [PATCH] rename the provided execve functions to kernel_execve 2006-10-02 07:57:23 -07:00
asm-arm26 [PATCH] rename the provided execve functions to kernel_execve 2006-10-02 07:57:23 -07:00
asm-avr32 [PATCH] AVR32: Implement kernel_execve 2006-10-02 07:57:24 -07:00
asm-cris [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-frv [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-generic [PATCH] paravirt: remove set pte atomic 2006-10-01 00:39:34 -07:00
asm-h8300 [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-i386 [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-ia64 [PATCH] rename the provided execve functions to kernel_execve 2006-10-02 07:57:23 -07:00
asm-m32r [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-m68k [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-m68knommu [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-mips [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-parisc [PATCH] rename the provided execve functions to kernel_execve 2006-10-02 07:57:23 -07:00
asm-powerpc [PATCH] rename the provided execve functions to kernel_execve 2006-10-02 07:57:23 -07:00
asm-ppc [PATCH] Directed yield: cpu_relax variants for spinlocks and rw-locks 2006-10-01 00:39:21 -07:00
asm-s390 [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-sh [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-sh64 [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-sparc [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-sparc64 [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-um [PATCH] rename the provided execve functions to kernel_execve 2006-10-02 07:57:23 -07:00
asm-v850 [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-x86_64 [PATCH] rename the provided execve functions to kernel_execve 2006-10-02 07:57:23 -07:00
asm-xtensa [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
crypto
keys
linux [PATCH] replace cad_pid by a struct pid 2006-10-02 07:57:25 -07:00
math-emu
media Merge master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb 2006-09-30 09:39:15 -07:00
mtd
net [PATCH] Add genetlink utilities for payload length calculation 2006-10-01 00:39:29 -07:00
pcmcia
rdma
rxrpc
scsi [PATCH] scsi: device_reprobe() can fail 2006-09-30 19:33:43 -07:00
sound [PATCH] maximum latency tracking: ALSA support 2006-10-01 00:39:19 -07:00
video
Kbuild