linux-kernel - Re: Typo in linux-2.6.38/arch/x86/kernel/entry

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Message-ID: <4D812349.1050501@free.fr>
Date:	Wed, 16 Mar 2011 21:53:29 +0100
From:	Eric Valette <eric.valette@...e.fr>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: Typo in linux-2.6.38/arch/x86/kernel/entry_32.S

On 16/03/2011 21:44, Steven Rostedt wrote:
> On Wed, 2011-03-16 at 21:32 +0100, Eric Valette wrote:
>
>
>>> The old binutils never complained.
>>
>> Anyway this show once again that the world like symetry and you better
>> remember it ;-) (lock/unlock, malloc free, ...)
>
> Right, but it should be a warning not an error. If it worked before, why
> not work now and just warn about it. This "BUG" existed forever in the
> kernel, and its in more than one place. Having the compiler crash on the
> first instance means you need to fix it and run the compiler again to
> find the next instance and so on.

Yes like any other name change in a .h file with incompatible function 
signature...

The exact error message is a complaint about the .size directive not 
being a "constant"...


> binutils made a fatal error in making this a bug and not an warning.
>
>>
>> Probably a stable candidate for 2.6.38.1
>
> Perhaps, but what about all older kernels. Now this version of binutils
> does not work for bisecting.

I guess its binutils git of the 2011/03/02

As far as I'm concerned I only found one occurence on one machine 
although I compiled tree 2.6.38 kernels for different machines.
because its under the CONFIG_KVM_GUEST flag

--eric


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