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| From: | Paul Brook |
| 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 |
| User-agent: | KMail/1.12.4 (Linux/2.6.32-trunk-amd64; KDE/4.3.4; x86_64; ; ) |
> 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
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