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From: Ingo Molnar <mingo@elte.hu>
To: Jack Steiner <steiner@sgi.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
	tglx@linutronix.de, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] x86: UV SGI, Don't track GRU space in PAT
Date: Mon, 23 Nov 2009 19:25:20 +0100	[thread overview]
Message-ID: <20091123182520.GA24482@elte.hu> (raw)
In-Reply-To: <20091119202341.GA4420@sgi.com>


* Jack Steiner <steiner@sgi.com> wrote:

> GRU space is always mapped as WB in the page table. There is
> no need to track the mappings in the PAT. This also eliminates
> the "freeing invalid memtype" messages when the GRU space is unmapped.
> 
> Signed-off-by: Jack Steiner <steiner@sgi.com>
> 
> ---
> Version 2 with changes suggested by Ingo (at least I think I understood what
> he wanted).
> 
> Version 3 with changes suggested by Peter to make the new function
> a member of the x86_platform structure.

thanks, it looks much cleaner now. I've applied it to tip:x86/mm.

	Ingo

  reply	other threads:[~2009-11-23 18:26 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-29 18:47 [PATCH] x86: UV SGI, Don't track GRU space in PAT Jack Steiner
2009-11-08 12:06 ` Ingo Molnar
2009-11-11 18:30   ` Jack Steiner
2009-11-17 21:23   ` [PATCH v2] " Jack Steiner
2009-11-17 22:21     ` H. Peter Anvin
2009-11-19 20:23       ` [PATCH v3] " Jack Steiner
2009-11-23 18:25         ` Ingo Molnar [this message]
2009-11-23 18:55         ` [tip:x86/mm] x86: UV SGI: " tip-bot for Jack Steiner
2009-11-24  1:12         ` [tip:x86/mm] x86, mm: Call is_untracked_pat_range() rather than is_ISA_range() tip-bot for H. Peter Anvin
2009-11-24  1:13         ` [tip:x86/mm] x86, mm: is_untracked_pat_range() takes a normal semiclosed range tip-bot for H. Peter Anvin
2009-11-24  1:13         ` [tip:x86/mm] x86: Change is_ISA_range() into an inline function tip-bot for H. Peter Anvin
2009-11-24  1:13         ` [tip:x86/mm] x86, platform: Change is_untracked_pat_range() to bool; cleanup init tip-bot for H. Peter Anvin
2009-12-01  7:36         ` [tip:x86/mm] x86, mm: Correct the implementation of is_untracked_pat_range() tip-bot for H. Peter Anvin

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