linux-kernel - Re: linux-next: Tree for Jun 18 (kmsg problems)

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Date:	Mon, 18 Jun 2012 17:33:21 -0700
From:	Randy Dunlap <rdunlap@...otime.net>
To:	Kay Sievers <kay@...y.org>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: Tree for Jun 18 (kmsg problems)

On 06/18/2012 03:32 PM, Kay Sievers wrote:

> On Tue, 2012-06-19 at 00:17 +0200, Kay Sievers wrote:
>> On Tue, Jun 19, 2012 at 12:15 AM, Greg Kroah-Hartman
>> <gregkh@...uxfoundation.org> wrote:
>>> On Tue, Jun 19, 2012 at 08:01:09AM +1000, Stephen Rothwell wrote:
>>>> [Adding Greg and Kay]
>>>>
>>>> On Mon, 18 Jun 2012 10:13:11 -0700 Randy Dunlap <rdunlap@...otime.net> wrote:
>>>>>
>>>>> arch/x86/kernel/reboot.o: In function `kmsg_dump_get_line':
>>>>> reboot.c:(.text+0xf0): multiple definition of `kmsg_dump_get_line'
>>>>> arch/x86/kernel/setup.o:setup.c:(.text+0x0): first defined here
>>>>> arch/x86/kernel/reboot.o: In function `kmsg_dump_get_buffer':
>>>>> reboot.c:(.text+0x100): multiple definition of `kmsg_dump_get_buffer'
>>>>> arch/x86/kernel/setup.o:setup.c:(.text+0x10): first defined here
>>>>> arch/x86/kernel/reboot.o: In function `kmsg_dump_rewind':
>>>>> reboot.c:(.text+0x110): multiple definition of `kmsg_dump_rewind'
>>>>> arch/x86/kernel/setup.o:setup.c:(.text+0x20): first defined here
>>>>
>>>> Caused by commit e2ae715d66bf ("kmsg - kmsg_dump() use iterator to
>>>> receive log buffer content") from the driver-core.current tree.
>>>
>>> I'm building my tree right now, and I can't seem to hit this.
>>>
>>>> This was reported a few days ago.  Why is it not fixed yet?
>>>
>>> It was reported Friday evening, on a holiday weekend for some of us, we
>>> are trying the best we can :)
>>>
>>>> Especially since it is in a branch that is supposedly "bug fixes"?
>>>
>>> It fixes up a reported problem, and we had 3 people test it and said it
>>> resolved the issue for them, no build problems reported.
>>>
>>> Randy, can I get a copy of your .config that duplicates this?
>>
>> I looked at it, and did not see it, I was blind.
>>
>> We just miss the "static inline" in include/linux/kmsg_dump.h. :)
> 
> From: Kay Sievers <kay@...y.org>
> Subject: kmsg - kmsg_dump() fix CONFIG_PRINTK=n compilation


Acked-by: Randy Dunlap <rdunlap@...otime.net>

Thanks.


> 
> Signed-off-by: Kay Sievers <kay@...y.org>
> ---
>  include/linux/kmsg_dump.h |   10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> --- a/include/linux/kmsg_dump.h
> +++ b/include/linux/kmsg_dump.h
> @@ -71,19 +71,19 @@ static inline void kmsg_dump(enum kmsg_d
>  {
>  }
>  
> -bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog,
> -			  const char *line, size_t size, size_t *len)
> +static inline bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog,
> +				const char *line, size_t size, size_t *len)
>  {
>  	return false;
>  }
>  
> -bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog,
> -			    char *buf, size_t size, size_t *len)
> +static inline bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog,
> +					char *buf, size_t size, size_t *len)
>  {
>  	return false;
>  }
>  
> -void kmsg_dump_rewind(struct kmsg_dumper *dumper)
> +static inline void kmsg_dump_rewind(struct kmsg_dumper *dumper)
>  {
>  }
>  
> 



-- 
~Randy
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