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Re: [PATCH] fast path for rdhwr emulation for TLS

To: macro@linux-mips.org
Subject: Re: [PATCH] fast path for rdhwr emulation for TLS
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Mon, 11 Sep 2006 23:30:46 +0900 (JST)
Cc: nigel@mips.com, ralf@linux-mips.org, dan@debian.org, linux-mips@linux-mips.org
In-reply-to: <Pine.LNX.4.64N.0609111406400.29692@blysk.ds.pg.gda.pl>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <4501AABC.1050009@mips.com> <20060909.225641.41198763.anemo@mba.ocn.ne.jp> <Pine.LNX.4.64N.0609111406400.29692@blysk.ds.pg.gda.pl>
Sender: linux-mips-bounce@linux-mips.org
On Mon, 11 Sep 2006 14:09:20 +0100 (BST), "Maciej W. Rozycki" 
<macro@linux-mips.org> wrote:
> > But I'm still looking for better solution (silver bullet?) for
> > cpu_has_vtag_icache case.
> 
>  What's wrong with just letting a TLB fault happen?

It might add a little overhead to usual TLB refill handling.  The
overhead might be neglectable, but I'm not sure.

---
Atsushi Nemoto

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