Subject: ALPHA: missing reference to barrier()

ONLY for linux ALPHA:

Please add patch to the source tree..

Hello

In the kernel source 2.6.14 from kernel.org build with the given config1, the
symbol barrier() is missing in linux/include/asm-alpha/atomic.h with gcc 4.0.1 from
FC4.

This is defined in linux/compiler.h or asm/compiler.h.

PATCH:
------------------
--- include/asm-alpha/atomic.h.orig 2005-11-03 18:45:21.000000000 +0100
+++ include/asm-alpha/atomic.h 2005-11-03 18:45:46.000000000 +0100
@@ -1,6 +1,7 @@
#ifndef _ALPHA_ATOMIC_H
#define _ALPHA_ATOMIC_H

+#include <asm/compiler.h>
#include <asm/barrier.h>

/*
-------------------

CC fs/nfsctl.o
In file included from include/linux/file.h:8,
from fs/nfsctl.c:8:
include/asm/atomic.h: In function 'atomic_add_return':
include/asm/atomic.h:105: warning: implicit declaration of function 'barrier'
CC fs/binfmt_script.o
CC fs/binfmt_elf.o

CC net/ipv4/raw.o
In file included from net/ipv4/raw.c:43:
include/asm/atomic.h: In function 'atomic_add_return':
include/asm/atomic.h:105: warning: implicit declaration of function 'barrier'
CC net/ipv4/udp.o

net/built-in.o(.text+0x580e0): In function `raw_rcv_skb':
: undefined reference to `barrier'
net/built-in.o(.text+0x580e4): In function `raw_rcv_skb':
: undefined reference to `barrier'
net/built-in.o(.text+0x58104): In function `raw_rcv_skb':
: undefined reference to `barrier'
net/built-in.o(.text+0x58108): In function `raw_rcv_skb':
: undefined reference to `barrier'
net/built-in.o(.text+0x58650): In function `raw_rcv':




Attachments:
config1.gz (2.87 kB)

2005-11-04 13:31:20

by Daniel Drake

[permalink] [raw]
Subject: Re: ALPHA: missing reference to barrier()

alpha @ steudten Engineering wrote:
> ONLY for linux ALPHA:
>
> Please add patch to the source tree..
>
> Hello
>
> In the kernel source 2.6.14 from kernel.org build with the given config1, the
> symbol barrier() is missing in linux/include/asm-alpha/atomic.h with gcc 4.0.1 from
> FC4.
>
> This is defined in linux/compiler.h or asm/compiler.h.

An alternative patch has already been merged into Linus' git tree. It should
fix your problem.

Daniel


Attachments:
1305_alpha-barrier-compile.patch (752.00 B)