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Re: [Qemu-trivial] [PATCH] ioport/memory: check that both .read and .wri


From: Gerd Hoffmann
Subject: Re: [Qemu-trivial] [PATCH] ioport/memory: check that both .read and .write callbacks are defined
Date: Mon, 10 Jun 2013 07:27:40 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130513 Thunderbird/17.0.6

  Hi,

> Maybe instead (or in addition to), we should provide a dummy
> read or write functions -- instead of fixing each such occurence
> to use its own dummy function

Makes sense, especially for write where we can just ignore what the
guest attempts to write.  Not sure we can have a generic handler for
reads.  Maybe two, one which returns 0xff and one which returns 0x00.

cheers,
  Gerd





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