Re: [PATCHv2 4/5] KVM: emulator: move linearize() out of emulator code.

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On 06/25/2012 05:17 PM, Gleb Natapov wrote:
> On Mon, Jun 25, 2012 at 04:40:35PM +0300, Avi Kivity wrote:
>> On 06/25/2012 04:12 PM, Gleb Natapov wrote:
>> 
>> >> Right.  But I think we can have x86_linearize() that doesn't take a
>> >> context parameter, only ops.
>> >> 
>> > All ops take context parameter though.
>> > 
>> 
>> context is meaningful for:
>> - saving state between executions (decode/execute/execute)
>> - passing state that is not provided via callbacks (regs/mode/flags)
>> - returning results
>> 
>> Only the second is relevant, and we're trying to get rid of that too.
>> 
> Callbacks were passed pointer to vcpu, but they were changed to get ctxt
> to better encapsulate emulator.c from rest of the KVM. Are you suggesting
> this was a mistake and we need to rework callbacks to receive pointer
> to vcpu again? I hope not :)

Ouch.  I guess we have to pass the context, but not initialize any of it
except ops.  Later we can extend x86_decode_insn() and the other
functions to follow the same rule.

-- 
error compiling committee.c: too many arguments to function


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