Re: [patch 4/6] lightweight robust futexes: compat

[Andrew Morton <akpm@osdl.org>]

Paul Jackson <pj@sgi.com> wrote:
>
> kernel/built-in.o(.text+0x54782): In function `compat_sys_get_robust_list':
>  kernel/futex_compat.c:92: undefined reference to `ptr_to_compat'

Yup.  Ingo has sent through fixes for the four missing architectures
(uploads them to hot-fixes).  Here's ia64:

include/asm-ia64/compat.h
--- devel/include/asm-ia64/compat.h~ia64-add-ptr-to-compatpatch	2006-02-21 17:00:33.000000000 -0800
+++ devel-akpm/include/asm-ia64/compat.h	2006-02-21 17:00:33.000000000 -0800
@@ -189,6 +189,12 @@ compat_ptr (compat_uptr_t uptr)
 	return (void __user *) (unsigned long) uptr;
 }
 
+static inline compat_uptr_t
+ptr_to_compat(void __user *uptr)
+{
+	return (u32)(unsigned long)uptr;
+}
+
 static __inline__ void __user *
 compat_alloc_user_space (long len)
 {
_

-
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