linux-kernel - Re: [PATCH -v10 0/4] Lock-less list

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Date:	Thu, 20 Jan 2011 19:57:33 +0800
From:	huang ying <huang.ying.caritas@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Huang Ying <ying.huang@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andi Kleen <andi@...stfloor.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Chris Mason <chris.mason@...cle.com>
Subject: Re: [PATCH -v10 0/4] Lock-less list

On Thu, Jan 20, 2011 at 7:27 PM, Peter Zijlstra <peterz@...radead.org> wrote:
> On Thu, 2011-01-20 at 19:18 +0800, huang ying wrote:
>> >
>> > In fact, I have a patch ready and waiting to revert the whole irq_work
>> > stuff, that too seems to be a superfluous generalization.
>>
>> What do you plan to replace irq_work?  I plan to use it in APEI NMI
>> handler and MCE handler.
>
> But will all that stuff be accepted? Please stop sending infrastructure
> bits and focus on your larger RAS picture, once you have consensus on
> that from all parties involved, then, and only then, does it make sense
> to submit everything, including infrastructure.

I am not sending hardware error reporting infrastructure.  As far as I
know, Linus and Andrew suggest to use printk for hardware error
reporting.  And now, I just try to write APEI driver and reporting
hardware error with printk.  Is it acceptable?  Do you have some other
idea about hardware error reporting?

> As it stands now you're simply submitting infrastructure without any
> users, and we all know the RAS thing isn't settled, so those users might
> never come..

As for llist, I just want to send some code that is useful for not
only RAS users.  If it has not any user except APEI driver,  I will
move it into APEI driver code.

Best Regards,
Huang Ying
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