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| author |   Peter Oberparleiter <oberpar@linux.vnet.ibm.com> | 2009-06-17 16:28:03 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-18 13:03:57 -0700 |
| commit | b99b87f70c7785ab1e253c6220f4b0b57ce3a7f7 (patch) | |
| tree | ec5688052334448ec8edd3a1a9cb95cd68501ac7 /include/linux/init.h | |
| parent | edac: Kconfig: fix the meaning of EDAC abbreviation (diff) | |
| download | linux-dev-b99b87f70c7785ab1e253c6220f4b0b57ce3a7f7.tar.xz linux-dev-b99b87f70c7785ab1e253c6220f4b0b57ce3a7f7.zip | |
kernel: constructor support
Call constructors (gcc-generated initcall-like functions) during kernel
start and module load. Constructors are e.g. used for gcov data
initialization.
Disable constructor support for usermode Linux to prevent conflicts with
host glibc.
Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Li Wei <W.Li@Sun.COM>
Cc: Michael Ellerman <michaele@au1.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Heiko Carstens <heicars2@linux.vnet.ibm.com>
Cc: Martin Schwidefsky <mschwid2@linux.vnet.ibm.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/init.h')
| -rw-r--r-- | include/linux/init.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/init.h b/include/linux/init.h index 8c2c9989626d..13b633ed695e 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -134,6 +134,9 @@ typedef void (*exitcall_t)(void); extern initcall_t __con_initcall_start[], __con_initcall_end[]; extern initcall_t __security_initcall_start[], __security_initcall_end[]; +/* Used for contructor calls. */ +typedef void (*ctor_fn_t)(void); + /* Defined in init/main.c */ extern int do_one_initcall(initcall_t fn); extern char __initdata boot_command_line[]; |