From: "H. Peter Anvin" <hpa@zytor.com>
To: Kees Cook <keescook@chromium.org>
Cc: linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
x86@kernel.org, Borislav Petkov <bp@suse.de>,
Fenghua Yu <fenghua.yu@intel.com>,
Yinghai Lu <yinghai@kernel.org>,
Seiji Aguchi <seiji.aguchi@hds.com>,
PaX Team <pageexec@freemail.hu>
Subject: Re: [PATCH] x86: make sure IDT is page aligned
Date: Fri, 12 Jul 2013 15:28:06 -0700 [thread overview]
Message-ID: <51E082F6.4030305@zytor.com> (raw)
In-Reply-To: <20130712183014.GA20551@www.outflux.net>
On 07/12/2013 11:30 AM, Kees Cook wrote:
>
> - .word 0 # 32-bit align idt_desc.address
> + .word PAGE_SIZE # page align idt_desc.address
>
... and this is totally confused. This didn't change alignment one
iota, it only put the value 4096 into the padding.
-hpa
next prev parent reply other threads:[~2013-07-12 22:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-12 18:30 [PATCH] x86: make sure IDT is page aligned Kees Cook
2013-07-12 22:27 ` H. Peter Anvin
2013-07-12 22:28 ` H. Peter Anvin [this message]
2013-07-12 22:43 ` Kees Cook
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=51E082F6.4030305@zytor.com \
--to=hpa@zytor.com \
--cc=bp@suse.de \
--cc=fenghua.yu@intel.com \
--cc=keescook@chromium.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=pageexec@freemail.hu \
--cc=seiji.aguchi@hds.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
--cc=yinghai@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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox