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Re: i386/x86_64 segment register issuses (Re: PATCH: Fix x86 segment register access)

From: Andi Kleen <ak at muc dot de>
To: Pau Aliagas <linuxnow at newtral dot org>
Cc: linux kernel <linux-kernel at vger dot kernel dot org>, binutils at sources dot redhat dot com
Date: 31 Mar 2005 12:19:52 +0200
Date: Thu, 31 Mar 2005 12:19:52 +0200
Subject: Re: i386/x86_64 segment register issuses (Re: PATCH: Fix x86 segment register access)
References: <20050326020506.GA8068@lucon.org> <20050327222406.GA6435@lucon.org> <m14qev3h8l.fsf@muc.de> <Pine.LNX.4.58.0503291618520.6036@ppc970.osdl.org> <20050330015312.GA27309@lucon.org> <Pine.LNX.4.58.0503291815570.6036@ppc970.osdl.org> <20050330040017.GA29523@lucon.org> <Pine.LNX.4.58.0503300738430.6036@ppc970.osdl.org> <20050330210801.GA15384@lucon.org> <Pine.LNX.4.62.0503310015490.7060@pau.intranet.ct>

> >That is what the assembler generates, and should have generated, for
> >"movw %ds,(%eax)" since Nov. 4, 2004.
> 
> Could this be the reason for the reported slowdown in the last six months?

No.

-Andi

References:
- PATCH: Fix x86 segment register access
  - From: H. J. Lu
- i386/x86_64 segment register issuses (Re: PATCH: Fix x86 segment register access)
  - From: H. J. Lu
- Re: i386/x86_64 segment register issuses (Re: PATCH: Fix x86 segmentregister access)
  - From: Linus Torvalds
- Re: i386/x86_64 segment register issuses (Re: PATCH: Fix x86 segment register access)
  - From: H. J. Lu
- Re: i386/x86_64 segment register issuses (Re: PATCH: Fix x86 segmentregister access)
  - From: Pau Aliagas

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