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From: Alex Zarochentsev <zam@namesys.com>
To: Paul Jackson <pj@sgi.com>
Cc: Hans Reiser <reiser@namesys.com>,
	linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>,
	William Lee Irwin III <wli@holomorphy.com>
Subject: Re: 2.6.9-rc1-mm4 sparc reiser4 build broken - undefined atomic_sub_and_test
Date: Sun, 12 Sep 2004 20:33:53 +0400	[thread overview]
Message-ID: <20040912163352.GA27411@backtop.namesys.com> (raw)
In-Reply-To: <20040912031235.48c738ae.pj@sgi.com>

On Sun, Sep 12, 2004 at 03:12:35AM -0700, Paul Jackson wrote:
> The default config for sparc on 2.6.9-rc1-mm4 doesn't build, using the
> crosstools from http://developer.osdl.org/dev/plm/cross_compile.
> 
> Hans,
> 
>   Andrew counts on us to build for various arch's, especially when
>   submitting something non-trivial.  The above crosstools work
>   pretty good - give them a try.
> 
> The final link fails with:
> 
>   fs/built-in.o(.text+0x58618): In function `end_io_handler':
>   : undefined reference to `atomic_sub_and_test'
>   make[1]: *** [arch/sparc/boot/image] Error 1
> 
> The macro 'atomic_sub_and_test' is defined for more or less every other
> arch, in various include/asm-*/atomic.h files, but not defined for
> sparc.

It is defined in both asm-sparc/atomic.h and asm-sparc64/atomic.h, 
but <asm/atomic.h> was not included into fs/reiser4/flush_queue.c 

please try this patch:
=============================
--- reiser4-linux-2.6/fs/reiser4/flush_queue.c.orig	2004-09-12 20:28:10.000000000 +0400
+++ reiser4-linux-2.6/fs/reiser4/flush_queue.c	2004-09-12 20:28:26.000000000 +0400
@@ -11,6 +11,7 @@
 #include "vfs_ops.h"
 #include "writeout.h"
 
+#include <asm/atomic.h>
 #include <linux/bio.h>
 #include <linux/mm.h>
 #include <linux/pagemap.h>
===============================


> This macro is used in:
> 
> 	fs/reiser4/flush_queue.c:
>                if (atomic_sub_and_test(bio->bi_vcnt, &fq->nr_submitted))
> 
> If I disable the config items:
> 
>   CONFIG_REISER4_FS=y
>   CONFIG_REISER4_LARGE_KEY=y
> 
> then it builds ok (with the bogus #else removed from cachefs.h, as
> already reported on lkml).
> 
> -- 
>                           I won't rest till it's the best ...
>                           Programmer, Linux Scalability
>                           Paul Jackson <pj@sgi.com> 1.650.933.1373
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/

-- 
Alex.

  parent reply	other threads:[~2004-09-12 16:41 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-12 10:12 2.6.9-rc1-mm4 sparc reiser4 build broken - undefined atomic_sub_and_test Paul Jackson
2004-09-12 10:54 ` William Lee Irwin III
2004-09-12 16:33 ` Alex Zarochentsev [this message]
2004-09-12 18:49   ` Paul Jackson
2004-09-12 19:48     ` Alex Zarochentsev
2004-09-13 12:42       ` Hugh Dickins
2004-09-13 13:25         ` Roman Zippel
2004-09-13 13:51           ` Hugh Dickins
2004-09-13 14:10             ` Roman Zippel
2004-09-13 14:58               ` Hugh Dickins
2004-09-13 16:03                 ` Roman Zippel
2004-09-13 16:20                   ` Hugh Dickins
2004-09-13 20:03                   ` Tonnerre
2004-09-13 20:18                     ` Roman Zippel
2004-09-13 20:18                     ` 2.6.9-rc1-mm4 sparc reiser4 build broken - undefined atomic_s ub_and_test Hugh Dickins
2004-09-13 17:19                 ` 2.6.9-rc1-mm4 sparc reiser4 build broken - undefined atomic_sub_and_test Alex Zarochentsev
2004-09-14  2:06                   ` William Lee Irwin III
2004-09-14  9:00                     ` Roman Zippel
2004-09-14  9:10                       ` William Lee Irwin III
2004-09-14  9:15                         ` [sparc32] add atomic_sub_and_test() to make reiser4 code microoptimized for x86 compile on sparc32 William Lee Irwin III
2004-09-14 15:38                           ` William Lee Irwin III
  -- strict thread matches above, loose matches on Subject: below --
2004-09-13 17:14 2.6.9-rc1-mm4 sparc reiser4 build broken - undefined atomic_sub_and_test Martin Schwidefsky
2004-09-13 17:26 ` Roman Zippel
     [not found] <OF6D4E73AE.1DB1AD2F-ON42256F0F.003132FF-42256F0F.00321365@de.ibm.com>
2004-09-14  9:40 ` Roman Zippel

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