From: ebiederm@xmission.com (Eric W. Biederman)
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
Rusty Russell <rusty@rustcorp.com.au>, Andi Kleen <ak@suse.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] i386: always clear bss
Date: Fri, 04 May 2007 20:11:02 -0600 [thread overview]
Message-ID: <m1hcqsnhop.fsf@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <463BE2C7.9010707@zytor.com> (H. Peter Anvin's message of "Fri, 04 May 2007 18:49:59 -0700")
"H. Peter Anvin" <hpa@zytor.com> writes:
> Eric W. Biederman wrote:
>>
>> I have this vague memory of liking 0x3c because if we do happen to use
>> more room then we intended the consequences are pretty benign.
>>
>> But that is a pretty minor consequence.
>>
I meant to say it is a pretty minor consideration.
> That's a dangerous assumption (besides, it's likely wrong, since there
> are only two unused bytes below it.)
Worse case on a modern machine is that we get a messed up screen.
The odds of it happening are sufficiently remote that it isn't worth
worrying about.
Eric
prev parent reply other threads:[~2007-05-05 2:11 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-04 8:21 Jeremy Fitzhardinge
2007-05-04 11:46 ` Eric W. Biederman
2007-05-04 14:57 ` Jeremy Fitzhardinge
2007-05-04 15:22 ` Eric W. Biederman
2007-05-04 15:26 ` Jeremy Fitzhardinge
2007-05-04 15:45 ` Eric W. Biederman
2007-05-04 15:50 ` H. Peter Anvin
2007-05-04 17:05 ` Eric W. Biederman
2007-05-04 17:08 ` H. Peter Anvin
2007-05-04 17:15 ` Eric W. Biederman
2007-05-04 17:26 ` H. Peter Anvin
2007-05-04 19:00 ` Eric W. Biederman
2007-05-04 19:03 ` H. Peter Anvin
2007-05-04 23:17 ` H. Peter Anvin
2007-05-05 1:45 ` Eric W. Biederman
2007-05-05 1:49 ` H. Peter Anvin
2007-05-05 2:11 ` Eric W. Biederman [this message]
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=m1hcqsnhop.fsf@ebiederm.dsl.xmission.com \
--to=ebiederm@xmission.com \
--cc=ak@suse.de \
--cc=hpa@zytor.com \
--cc=jeremy@goop.org \
--cc=linux-kernel@vger.kernel.org \
--cc=rusty@rustcorp.com.au \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®