linux-kernel - x86-64 build problem with tip

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Message-ID: <482AB6C5.4060604@goop.org>
Date:	Wed, 14 May 2008 10:54:13 +0100
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
CC:	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: x86-64 build problem with tip

I'm getting this when I build for x86-64 with

jeremy@...worth:~/hg/xen/paravirt/linux-x86_64$ gcc -v
Reading specs from /usr/lib/gcc/x86_64-linux/3.4.4/specs
Configured with: ../src/configure -v --enable-languages=c,c++,java,f77,pascal,objc,ada,treelang --prefix=/usr --libexecdir=/usr/lib --with-gxx-include-dir=/usr/include/c++/3.4 --enable-shared --with-system-zlib --enable-nls --without-included-gettext --program-suffix=-3.4 --enable-__cxa_atexit --enable-libstdcxx-allocator=mt --enable-clocale=gnu --enable-libstdcxx-debug --enable-java-gc=boehm --enable-java-awt=gtk --disable-werror x86_64-linux
Thread model: posix
gcc version 3.4.4 20050314 (prerelease) (Debian 3.4.3-13)


  CC      kernel/sched.o
/home/jeremy/hg/xen/paravirt/linux/kernel/sched_trace.h: In function `wait_task_inactive':
/home/jeremy/hg/xen/paravirt/linux/kernel/sched_trace.h:5: warning: asm operand 1 probably doesn't match constraints
/home/jeremy/hg/xen/paravirt/linux/kernel/sched_trace.h:5: error: impossible constraint in `asm'
/home/jeremy/hg/xen/paravirt/linux/kernel/sched_trace.h:5: warning: 'value' might be used uninitialized in this function
/home/jeremy/hg/xen/paravirt/linux/kernel/sched.c: At top level:
/home/jeremy/hg/xen/paravirt/linux/kernel/sched_fair.c:1167: warning: 'wakeup_preempt_entity' defined but not used
make[3]: *** [kernel/sched.o] Error 1


Turning CONFIG_MARKER off avoids the problem.

    J
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