linux-kernel - Re: [-tip tree] compile error in arch/ia64/kernel/acpi.c

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Date:	Wed, 31 Dec 2008 20:45:13 +0530
From:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Li Zefan <lizf@...fujitsu.com>, Mike Travis <travis@....com>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	"Luck, Tony" <tony.luck@...el.com>
Subject: Re: [-tip tree] compile error in arch/ia64/kernel/acpi.c

* Rusty Russell <rusty@...tcorp.com.au> [2008-12-31 21:35:08]:

> On Wednesday 31 December 2008 19:46:07 Li Zefan wrote:
> > arch/ia64/kernel/acpi.c:205: error: conflicting types for 'total_cpus'
> > include/linux/smp.h:25: error: previous declaration of 'total_cpus' was here
> > 
> > due to [PATCH 3/3] cpumask: add sysfs displays for configured and disabled cpu maps
> > (http://lkml.org/lkml/2008/12/19/25)
> 
> Hmm, I don't know how this escaped linux-next.  But the fix is simple:
> 
Hi Rusty,

	This was caught in today's linux-next :)


> Subject: Remove IA64 definition of total_cpus now it's in core code
> 
> Impact: fix IA64 compile
> 
> Fortunately, they have exactly the same semantics.
> 
  Tested-by: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
> Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
> 
> diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
> --- a/arch/ia64/kernel/acpi.c
> +++ b/arch/ia64/kernel/acpi.c
> @@ -202,7 +202,6 @@ char *__init __acpi_map_table(unsigned l
>                              Boot-time Table Parsing
>     -------------------------------------------------------------------------- */
> 
> -static int total_cpus __initdata;
>  static int available_cpus __initdata;
>  struct acpi_table_madt *acpi_madt __initdata;
>  static u8 has_8259;

-- 
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
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