All of lore.kernel.org
 help / color / mirror / Atom feed
From: Andi Kleen <ak@suse.de>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Bugs aren't features: X86_FEATURE_FXSAVE_LEAK
Date: 05 May 2006 20:11:22 +0200	[thread overview]
Message-ID: <p733bfo5ol1.fsf@bragg.suse.de> (raw)
In-Reply-To: <445B7EF0.6090708@zytor.com>

"H. Peter Anvin" <hpa@zytor.com> writes:

> The recent fix for the AMD FXSAVE information leak had a problematic
> side effect.  It introduced an entry in the x86 features vector which
> is a bug, not a feature.

It's a non issue because it affects all AMD CPUs (except K5/K6).
You'll never find a system where only some CPUs have this problem.

-Andi

  reply	other threads:[~2006-05-05 18:11 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-05 16:36 Bugs aren't features: X86_FEATURE_FXSAVE_LEAK H. Peter Anvin
2006-05-05 18:11 ` Andi Kleen [this message]
2006-05-05 18:18   ` H. Peter Anvin
2006-05-05 18:27     ` Andi Kleen
2006-05-06  4:16   ` Christer Weinigel
2006-05-09 14:38   ` Bill Davidsen
     [not found] <69bvw-2zO-5@gated-at.bofh.it>
     [not found] ` <69d4M-4Yx-19@gated-at.bofh.it>
     [not found]   ` <69mqY-1Ci-9@gated-at.bofh.it>
2006-05-06 17:37     ` Robert Hancock
2006-05-08 17:47       ` H. Peter Anvin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=p733bfo5ol1.fsf@bragg.suse.de \
    --to=ak@suse.de \
    --cc=hpa@zytor.com \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.