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Re: mips RDHWR instruction in glibc

To: linux-mips@linux-mips.org
Subject: Re: mips RDHWR instruction in glibc
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Sat, 17 Jun 2006 01:59:42 +0900 (JST)
Cc: dan@debian.org, macro@linux-mips.org
In-reply-to: <20060617.005845.93020013.anemo@mba.ocn.ne.jp>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20060616.002837.59465125.anemo@mba.ocn.ne.jp> <20060615153252.GA21598@nevyn.them.org> <20060617.005845.93020013.anemo@mba.ocn.ne.jp>
Sender: linux-mips-bounce@linux-mips.org
On Sat, 17 Jun 2006 00:58:45 +0900 (JST), Atsushi Nemoto <anemo@mba.ocn.ne.jp> 
wrote:
> It looks too bad for arg == 0 case.  I should ask on gcc list.

OTOH, I think it would be better to reduce RDHWR overhead in kernel
anyway.

I've heard about "fastpath" approach by Maciej, but now I can not find
the patch on linux-mips ML archive.  Is it available on somewhere?  Maciej?

---
Atsushi Nemoto

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