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
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