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Use list_head in binfmt handling

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Switch single-linked binfmt formats list to usual list_head's.  This leads
to one-liners in register_binfmt() and unregister_binfmt().  The downside
is one pointer more in struct linux_binfmt.  This is not a problem, since
the set of registered binfmts on typical box is very small -- (ELF +
something distro enabled for you).

Test-booted, played with executable .txt files, modprobe/rmmod binfmt_misc.

Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan
2007-10-16 23:26:03 -07:00
committed by Linus Torvalds
parent deba0f49b9
commit e4dc1b14d8
4 changed files with 17 additions and 33 deletions
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include/linux/binfmts.h
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@@ -63,7 +63,7 @@ struct linux_binprm{
* linux accepts.
*/
struct linux_binfmt {
struct linux_binfmt * next;
struct list_head lh;
struct module *module;
int (*load_binary)(struct linux_binprm *, struct pt_regs * regs);
int (*load_shlib)(struct file *);