From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <3F917069.6070705@embeddededge.com>
Date: Sat, 18 Oct 2003 12:55:05 -0400
From: Dan Malek <dan@embeddededge.com>
MIME-Version: 1.0
To: joakim.tjernlund@lumentis.se
Cc: "Linuxppc-Embedded@Lists. Linuxppc. Org" <linuxppc-embedded@lists.linuxppc.org>
Subject: Re: [PATCH] Remove 7  instructions in 8xx ITLB Miss when pinned TLBs
 is set
References: <IGEFJKJNHJDCBKALBJLLIEHIGAAA.joakim.tjernlund@lumentis.se>
Content-Type: text/plain; charset=us-ascii; format=flowed
Sender: owner-linuxppc-embedded@lists.linuxppc.org
List-Id: <linuxppc-embedded@lists.linuxppc.org>


Joakim Tjernlund wrote:

> I realized that kernel space won't cause ITLB misses when CONFIG_PIN_TLB is set. At least on
> my system(no module support).

Why do this?  For years we have been trying to remove #ifdefs from the kernel,
this does nothing but add useless configuration complexity, it doesn't save
any space or execution time, and the first time you load a module the kernel
will crash.


	-- Dan


** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/