Re: how long does it take to init the scheduler?

[Andrew Morton <akpm@osdl.org>]

Olaf Hering <olh@suse.de> wrote:
>
> That leads to another question. usermodehelper_init() is now an initcall.
>  all the binfmt stuff is also an initcall. We had a patch (for debugging)
>  that turned init_elf_binfmt() into core_initcall.
>  Can we change that as well, so one could finally run stuff via the
>  driver hotplug events? init_script_binfmt() should be also
>  core_initcall, so you can run scripts. But I havent looked at the
>  dependencies for the binfmt stuff.

yes, that's surely OK - those init functions only call register_binfmt()
and register_filesystem(), and they merely stick things into a list.


 25-akpm/fs/binfmt_aout.c   |    2 +-
 25-akpm/fs/binfmt_elf.c    |    2 +-
 25-akpm/fs/binfmt_em86.c   |    2 +-
 25-akpm/fs/binfmt_flat.c   |    2 +-
 25-akpm/fs/binfmt_misc.c   |    2 +-
 25-akpm/fs/binfmt_script.c |    2 +-
 25-akpm/fs/binfmt_som.c    |    2 +-
 7 files changed, 7 insertions(+), 7 deletions(-)

diff -puN fs/binfmt_aout.c~binfmt-use-core_initcall fs/binfmt_aout.c
--- 25/fs/binfmt_aout.c~binfmt-use-core_initcall	2004-05-08 04:17:46.882598008 -0700
+++ 25-akpm/fs/binfmt_aout.c	2004-05-08 04:17:46.895596032 -0700
@@ -520,6 +520,6 @@ static void __exit exit_aout_binfmt(void
 	unregister_binfmt(&aout_format);
 }
 
-module_init(init_aout_binfmt);
+core_initcall(init_aout_binfmt);
 module_exit(exit_aout_binfmt);
 MODULE_LICENSE("GPL");
diff -puN fs/binfmt_elf.c~binfmt-use-core_initcall fs/binfmt_elf.c
--- 25/fs/binfmt_elf.c~binfmt-use-core_initcall	2004-05-08 04:17:46.884597704 -0700
+++ 25-akpm/fs/binfmt_elf.c	2004-05-08 04:17:46.896595880 -0700
@@ -1542,6 +1542,6 @@ static void __exit exit_elf_binfmt(void)
 	unregister_binfmt(&elf_format);
 }
 
-module_init(init_elf_binfmt)
+core_initcall(init_elf_binfmt)
 module_exit(exit_elf_binfmt)
 MODULE_LICENSE("GPL");
diff -puN fs/binfmt_em86.c~binfmt-use-core_initcall fs/binfmt_em86.c
--- 25/fs/binfmt_em86.c~binfmt-use-core_initcall	2004-05-08 04:17:46.885597552 -0700
+++ 25-akpm/fs/binfmt_em86.c	2004-05-08 04:17:46.896595880 -0700
@@ -110,6 +110,6 @@ static void __exit exit_em86_binfmt(void
 	unregister_binfmt(&em86_format);
 }
 
-module_init(init_em86_binfmt)
+core_initcall(init_em86_binfmt)
 module_exit(exit_em86_binfmt)
 MODULE_LICENSE("GPL");
diff -puN fs/binfmt_flat.c~binfmt-use-core_initcall fs/binfmt_flat.c
--- 25/fs/binfmt_flat.c~binfmt-use-core_initcall	2004-05-08 04:17:46.887597248 -0700
+++ 25-akpm/fs/binfmt_flat.c	2004-05-08 04:17:46.898595576 -0700
@@ -895,7 +895,7 @@ static void __exit exit_flat_binfmt(void
 
 /****************************************************************************/
 
-module_init(init_flat_binfmt);
+core_initcall(init_flat_binfmt);
 module_exit(exit_flat_binfmt);
 
 /****************************************************************************/
diff -puN fs/binfmt_misc.c~binfmt-use-core_initcall fs/binfmt_misc.c
--- 25/fs/binfmt_misc.c~binfmt-use-core_initcall	2004-05-08 04:17:46.888597096 -0700
+++ 25-akpm/fs/binfmt_misc.c	2004-05-08 04:17:46.898595576 -0700
@@ -775,6 +775,6 @@ static void __exit exit_misc_binfmt(void
 	unregister_filesystem(&bm_fs_type);
 }
 
-module_init(init_misc_binfmt);
+core_initcall(init_misc_binfmt);
 module_exit(exit_misc_binfmt);
 MODULE_LICENSE("GPL");
diff -puN fs/binfmt_script.c~binfmt-use-core_initcall fs/binfmt_script.c
--- 25/fs/binfmt_script.c~binfmt-use-core_initcall	2004-05-08 04:17:46.890596792 -0700
+++ 25-akpm/fs/binfmt_script.c	2004-05-08 04:17:46.899595424 -0700
@@ -111,6 +111,6 @@ static void __exit exit_script_binfmt(vo
 	unregister_binfmt(&script_format);
 }
 
-module_init(init_script_binfmt)
+core_initcall(init_script_binfmt)
 module_exit(exit_script_binfmt)
 MODULE_LICENSE("GPL");
diff -puN fs/binfmt_som.c~binfmt-use-core_initcall fs/binfmt_som.c
--- 25/fs/binfmt_som.c~binfmt-use-core_initcall	2004-05-08 04:17:46.891596640 -0700
+++ 25-akpm/fs/binfmt_som.c	2004-05-08 04:17:46.899595424 -0700
@@ -305,5 +305,5 @@ static void __exit exit_som_binfmt(void)
 	unregister_binfmt(&som_format);
 }
 
-module_init(init_som_binfmt);
+core_initcall(init_som_binfmt);
 module_exit(exit_som_binfmt);

_