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[PATCH] uml: fork cleanup

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Fix the do_fork calling convention: normal arch pass the regs and the new sp
value to do_fork instead of NULL.

Currently the arch-independent code ignores these values, while the UML code
(actually it's copy_thread) gets the right values by itself.

With this patch, things are fixed up.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jeff Dike
2005-06-25 14:55:21 -07:00
committed by Linus Torvalds
parent 41f2148a67
commit e0877f07e8
6 changed files with 19 additions and 81 deletions
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4
arch/um/kernel/process_kern.c
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@@ -96,8 +96,8 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
current->thread.request.u.thread.proc = fn;
current->thread.request.u.thread.arg = arg;
pid = do_fork(CLONE_VM | CLONE_UNTRACED | flags, 0, NULL, 0, NULL,
NULL);
pid = do_fork(CLONE_VM | CLONE_UNTRACED | flags, 0,
&current->thread.regs, 0, NULL, NULL);
if(pid < 0)
panic("do_fork failed in kernel_thread, errno = %d", pid);
return(pid);