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Subject: Re: Alpha compile problem solved by Andrea (pte_alloc)
To: andrea@suse.de (Andrea Arcangeli)
Date: Mon, 30 Apr 2001 17:56:41 +0100 (BST)
Cc: ebiederm@xmission.com (Eric W. Biederman),
        mag@fbab.net ("Magnus Naeslund(f)"),
        linux-kernel@vger.kernel.org (linux-kernel)
In-Reply-To: <20010430014653.C923@athlon.random> from "Andrea Arcangeli" at Apr 30, 2001 01:46:53 AM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> On alpha it's racy if you set CONFIG_ALPHA_LARGE_VMALLOC y (so don't do
> that as you don't need it). As long as you use only 1 entry of the pgd
> for the whole vmalloc space (CONFIG_ALPHA_LARGE_VMALLOC n) alpha is
> safe.

Its racy for all cases on the Alpha because the exception table fixes are
not done.

> OTOH x86 is racy and there's no workaround available at the moment.

-ac fixes all known problems there 

Alan

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