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Re: stack guard updating source

From: Mike Frysinger <vapier at gentoo dot org>
To: libc-alpha at sourceware dot org
Cc: Sergey Melnikov <sergey dot devel at gmail dot com>,Roland McGrath <roland at hack dot frob dot com>
Date: Wed, 10 Oct 2012 14:07:26 -0400
Subject: Re: stack guard updating source
References: <CAOGNF=nX0AsKekYdzU5ugshitZg+FXHC=0TxiBFu8uYQrE_6TQ@mail.gmail.com> <20121009204443.083392C0A7@topped-with-meat.com> <CAOGNF==05YA0LAmm_1VsQuDfSrqGkFmmvhN+FwzhsnH6xp0org@mail.gmail.com>

On Wednesday 10 October 2012 02:12:41 Sergey Melnikov wrote:
> The guard value is identical for any thread, the guard value isn't
> thread specific.

please re-read what Roland said.  the gs:0x14 access is purely for speed, not 
because we want the value to be different for each thread.
-mike

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