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From: Ingo Molnar <mingo@elte.hu>
To: Cliff Wickman <cpw@sgi.com>
Cc: linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH v4] x86: UV uv_tlb.c cleanup
Date: Mon, 23 May 2011 13:41:06 +0200	[thread overview]
Message-ID: <20110523114106.GA16328@elte.hu> (raw)
In-Reply-To: <20110521103847.GA26447@elte.hu>


* Ingo Molnar <mingo@elte.hu> wrote:

> 
> * Cliff Wickman <cpw@sgi.com> wrote:
> 
> > One logic difference:
> > Breaking uv_init_per_cpu() into get_cpu_topology() and summarize_uvhub_sockets()
> > actually corrects a possible bug for the theoretical case in which there is a
> > missing socket on a blade. An 'smaster' (socket master) had been expected for
> > every socket.
> 
> Please, as i asked in the previous mail, do not add logic changes to the 
> cleanup patch! Please keep it in a separate patch, after the big cleanup patch.
> 
> It will be very hard to debug if you find a regression in that cleanup patch: 
> since it also changes logic you do not know whether it's due to changed logic 
> or one of the cleanups having an unintended side-effect ...

Btw, once you've fixed that side-effect i think we can apply your current set 
of cleanups already: it's big enough already and starting to be too big for 
review, and the improvements are very clear. Then we could work on fixing the 
remaining cleanliness issues.

Thanks,

	Ingo

      reply	other threads:[~2011-05-23 11:41 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-20 19:45 Cliff Wickman
2011-05-21 10:38 ` Ingo Molnar
2011-05-23 11:41   ` Ingo Molnar [this message]

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