From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] Re: [PATCH 2/6] qemu-kvm: Modify and introduce wrapper functions to access phys_ram_dirty.
Date: Wed, 17 Mar 2010 00:05:03 +0000
Message-ID: <201003170005.03822.paul@codesourcery.com>
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Cc: Richard Henderson <rth@twiddle.net>,
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	Yoshiaki Tamura <tamura.yoshiaki@lab.ntt.co.jp>,
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> Where does the translator need access to this original code?  I was
> just thinking about this problem today, wondering how much overhead
> there is with this SMC page protection thing.

When an MMU fault occurs qemu re-translates the TB with additional annotations 
to determine which guest instruction caused the fault.
See translate-all.c:cpu_restore_state().

Paul