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authorJeff Dike <jdike@addtoit.com>2005-06-25 14:55:21 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-25 16:24:35 -0700
commite0877f07e85a46e4fde32bd84f08551d360839fe (patch)
tree97e29c30e5f1ee7f06f5cdd4760291d3bba6640e /arch/um/kernel/tt
parent41f2148a67f28803d64bf5ff538591af90a5ab57 (diff)
[PATCH] uml: fork cleanup
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>
Diffstat (limited to 'arch/um/kernel/tt')
-rw-r--r--arch/um/kernel/tt/process_kern.c17
1 files changed, 3 insertions, 14 deletions
diff --git a/arch/um/kernel/tt/process_kern.c b/arch/um/kernel/tt/process_kern.c
index 776310fd5b8b..a189a2b92935 100644
--- a/arch/um/kernel/tt/process_kern.c
+++ b/arch/um/kernel/tt/process_kern.c
@@ -266,10 +266,10 @@ int copy_thread_tt(int nr, unsigned long clone_flags, unsigned long sp,
}
if(current->thread.forking){
- sc_to_sc(UPT_SC(&p->thread.regs.regs),
- UPT_SC(&current->thread.regs.regs));
+ sc_to_sc(UPT_SC(&p->thread.regs.regs), UPT_SC(&regs->regs));
SC_SET_SYSCALL_RETURN(UPT_SC(&p->thread.regs.regs), 0);
- if(sp != 0) SC_SP(UPT_SC(&p->thread.regs.regs)) = sp;
+ if(sp != 0)
+ SC_SP(UPT_SC(&p->thread.regs.regs)) = sp;
}
p->thread.mode.tt.extern_pid = new_pid;
@@ -459,14 +459,3 @@ int is_valid_pid(int pid)
read_unlock(&tasklist_lock);
return(0);
}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */