From: Eugene Surovegin <ebs@ebshome.net>
To: Chris Dumoulin <cdumoulin@ics-ltd.com>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: Pinned TLB entries with 2.6 linux kernel on PPC4xx
Date: Thu, 1 Jun 2006 12:51:29 -0700 [thread overview]
Message-ID: <20060601195129.GA15262@gate.ebshome.net> (raw)
In-Reply-To: <447F4021.5030109@ics-ltd.com>
On Thu, Jun 01, 2006 at 03:29:37PM -0400, Chris Dumoulin wrote:
> Does the idea of creating pinned TLB entries (ones that will never be
> overwritten) make sense for a PPC4xx (specifically PPC405) 2.6 linux
> kernel? If so, how would this be accomplished?
44x kernel already pins some TLB entries, 40x may use this approach to
increase performance (I use this in my internal 2.4 tree
quite successfully).
Old 2.4 trees (linuxppc-2.4 or devel_2_4) have TLB pinning support
for 40x, you can look at the implementation there.
--
Eugene
next prev parent reply other threads:[~2006-06-01 19:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-01 19:29 Pinned TLB entries with 2.6 linux kernel on PPC4xx Chris Dumoulin
2006-06-01 19:51 ` Eugene Surovegin [this message]
2006-06-01 20:53 ` Matt Porter
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