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 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.