Re: [Xenomai-help] Compile-time error with xenomai x86_64 port (probably dualcore related)

[Jan Kiszka <jan.kiszka@domain.hid>]

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Matthias Scheer wrote:
> Dear developers,
> 
> 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:
> 
>   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 ‘xnpod_start_thread’:
> kernel/xenomai/nucleus/pod.c:944: error: ‘cpus_equal’ undeclared (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 in.)
> 
> 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)
> 

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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