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Re: [Qemu-devel] [PATCH 1/7] Export the unassigned_mem read/write functi


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH 1/7] Export the unassigned_mem read/write functions.
Date: Sun, 24 Jul 2011 09:42:03 -0700
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.18) Gecko/20110621 Fedora/3.1.11-1.fc14 Thunderbird/3.1.11

On 07/24/2011 06:28 AM, Anthony Liguori wrote:
> On 07/23/2011 02:17 PM, Richard Henderson wrote:
>> Signed-off-by: Richard Henderson<address@hidden>
> 
> Why?

So that I can write i/o functions like this:

  switch (addr) {
  case 0: ...
  case 64: ...
  case 128: ...
  ...
  default:
    unassigned_mem_readl(...)
  }

Perhaps Avi's rewrite makes this unnecessary; I browsed through
his patch set but didn't immediately see if there's a way for
the i/o function to return "failure".

What I certainly don't want to do is write this with 100 tiny
functions registering 8 bytes each, registered some tiny 
distance away from each other.


r~



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