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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] x86: UV BAU fix for non-consecutive nasids
Date: Tue, 10 May 2011 08:26:53 +0200	[thread overview]
Message-ID: <20110510062653.GA11595@elte.hu> (raw)
In-Reply-To: <E1QJWvo-0006ug-Fd@eag09.americas.sgi.com>


* Cliff Wickman <cpw@sgi.com> wrote:

> From: Cliff Wickman <cpw@sgi.com>
> 
> This is a fix for the SGI Altix-UV Broadcast Assist Unit code, which is
> used for TLB flushing.
> 
> This patch allows nasids (numa address space id's) to be non-consecutive, as is
> the case when using nasid striding or in some certain hardware configurations.
> It also provides a table in local memory for each cpu to translate target cpu
> number to target pnode and nasid.

This changelog is missing one or more of the following essential pieces
of information:

 - what user-visible problem is the patch solving
 - how was the problem triggered, how was the bug found
 - what/how many systems are affected
 - why should maintainers apply this patch right now

Thanks,

	Ingo

  reply	other threads:[~2011-05-10  6:27 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-09 20:19 Cliff Wickman
2011-05-10  6:26 ` Ingo Molnar [this message]
2011-05-10  6:34 ` Ingo Molnar

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