netdev - Re: [PATCH 11/11] asmlinkage, wan/sbni: Make inline assembler symbols visible and assembler global

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Date:	Tue, 22 Oct 2013 19:15:57 -0700
From:	Florian Fainelli <f.fainelli@...il.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	David Miller <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	ak@...ux.intel.com, netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH 11/11] asmlinkage, wan/sbni: Make inline assembler symbols
 visible and assembler global

2013/10/22 Andi Kleen <andi@...stfloor.org>:
> On Tue, Oct 22, 2013 at 01:59:28PM -0400, David Miller wrote:
>> From: Andi Kleen <andi@...stfloor.org>
>> Date: Tue, 22 Oct 2013 09:12:26 -0700
>>
>> > From: Andi Kleen <ak@...ux.intel.com>
>> >
>> > - Inline assembler defining C callable code has to be global
>> > - The function has to be visible
>> >
>> > Do this in wan/sbni
>> >
>> > Cc: netdev@...r.kernel.org
>> > Signed-off-by: Andi Kleen <ak@...ux.intel.com>
>>
>> Is it really impossible to use the generic crc32 support instead of this
>> unsightly custom inline assembler?
>
> Yes it's impossible.
>
> There's no way for me to test it, and this would be a far too big change
> to submit untested.
>
> Also my only interest here is this thing not breaking my LTO
> allyesconfig build. I'm not even sure what it does.
>
> Just because some legacy driver breaks my build you cannot make me
> accountable for maintaining it now.
>
> If it's not possible to get this trivial change in I would need
> to mark it "depends on !LTO" in Kconfig.

How about scheduling the WAN drivers for removal? Does anybody
actually use them nowadays?
--
Florian
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