linux-kernel - sparc64: Optimized immediate value implementation build error

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Date:	Fri, 3 Oct 2008 16:10:07 -0400
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	linux-kernel@...r.kernel.org
Subject: sparc64: Optimized immediate value implementation build error

Hi David,

I ran a cross-compiler on the -lttng tree
git://git.kernel.org/pub/scm/linux/kernel/git/compudj/linux-2.6-lttng.git

to build the sparc64 arch, and ran across this build error :

/home/compudj/git/morestable/linux-2.6-lttng/include/trace/sched.h: In function `do_fork':
/home/compudj/git/morestable/linux-2.6-lttng/include/trace/sched.h:38: warning: asm operand 1 probably doesn't match constraints
/home/compudj/git/morestable/linux-2.6-lttng/include/trace/sched.h:38: error: impossible constraint in `asm'
/home/compudj/git/morestable/linux-2.6-lttng/include/trace/sched.h:38: warning: 'value' might be used uninitialized in this function
make[2]: *** [kernel/fork.o] Error 1

I think it's caused by :
http://git.kernel.org/?p=linux/kernel/git/compudj/linux-2.6-lttng.git;a=commit;h=c76bfa90a6eb02651368a152b3646aa672d9e625

Any idea what's wrong with the inline asm ?

Mathieu

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Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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