From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <45E456EC.2090207@domain.hid>
Date: Tue, 27 Feb 2007 17:06:04 +0100
From: Jan Kiszka <jan.kiszka@domain.hid>
MIME-Version: 1.0
Subject: Re: [Xenomai-help] Compile-time error with xenomai x86_64
	port	(probably dualcore related)
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To: Matthias Scheer <scheer@domain.hid>
Cc: xenomai@xenomai.org

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Matthias Scheer wrote:
> Dear developers,
>=20
> I'm trying to compile the latest /trunk version together with the adeos=

> x86_64 patch v1.00.04. The kernel version is 2.6.19.5. The compiling is=

> done on an Athlon 64 X2 and stops with these error messages:
>=20
>   CC      kernel/xenomai/nucleus/pod.o
> kernel/xenomai/nucleus/pod.c:944:48: error: macro "cpus_equal" passed 3=

> arguments, but takes just 2
> kernel/xenomai/nucleus/pod.c: In function =E2=80=98xnpod_start_thread=E2=
=80=99:
> kernel/xenomai/nucleus/pod.c:944: error: =E2=80=98cpus_equal=E2=80=99 u=
ndeclared (first
> use in this function)
> kernel/xenomai/nucleus/pod.c:944: error: (Each undeclared identifier is=

> reported only once
> kernel/xenomai/nucleus/pod.c:944: error: for each function it appears i=
n.)
>=20
> Notice the _macro "cpus_equal"_ error, which eventually uses the
> identifier CPU_MASK_ALL which contains more than one element on a
> dualcore system. Does this explanation make sense? And is there a easy
> way to fix it? (maybe with a variable number of arguments)
>=20

Does this help?

--- include/asm-generic/system.h        (Revision 2262)
+++ include/asm-generic/system.h        (Arbeitskopie)
@@ -32,6 +32,7 @@
 #include <linux/errno.h>
 #include <linux/vmalloc.h>
 #include <linux/mm.h>
+#include <linux/cpumask.h>
 #include <asm/uaccess.h>
 #include <asm/param.h>
 #include <asm/mmu_context.h>

[At least it is cleaner than relying on cpumask.h being implicitly
included.]

Jan


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