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Date: Wed, 14 Jul 2010 19:06:06 +0200
From: Andi Kleen <andi@firstfloor.org>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
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        Tom Zanussi <tzanussi@gmail.com>,
        KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
        Andi Kleen <andi@firstfloor.org>
Subject: Re: [patch 0/2] x86: NMI-safe trap handlers
Message-ID: <20100714170606.GA22373@basil.fritz.box>
References: <20100714154923.947138065@efficios.com>
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> x86_32 cannot use vmalloc_sync_all() to sychronize the TLBs from every
> processes because the vmalloc area is mapped in a different address space for

That doesn't make sense. vmalloc_all_sync() should work on 32bit too.
It just needs to walk all processes and fix up every page table.

-Andi
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