From: Arun Sharma <arun.sharma@intel.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [PATCH] ia32 support for NX when sigaction->sa_restorer == NULL
Date: Wed, 22 Sep 2004 01:44:17 +0000 [thread overview]
Message-ID: <4150D8F1.3040008@intel.com> (raw)
In-Reply-To: <4141D3B2.2030106@intel.com>
On 9/21/2004 2:56 PM, Andreas Schwab wrote:
> Arun Sharma <arun.sharma@intel.com> writes:
>
>> When userland doesn't specify sigaction->sa_restorer, we try to put
>> the restorer code on the stack. But this breaks ia32 binaries with
>> non-executable stacks. We now put the restorer code on a gate page.
>
> Does this work with nested signal handlers?
I don't see why not. The gate page is read-only.
-Arun
next prev parent reply other threads:[~2004-09-22 1:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-10 16:17 [PATCH] ia32 support for NX when sigaction->sa_restorer == NULL Arun Sharma
2004-09-21 21:56 ` Andreas Schwab
2004-09-22 1:44 ` Arun Sharma [this message]
2004-09-22 7:22 ` Andreas Schwab
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=4150D8F1.3040008@intel.com \
--to=arun.sharma@intel.com \
--cc=linux-ia64@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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox