Laurent Vivier wrote:
> Avi Kivity wrote:
>> Laurent Vivier wrote:
>>> To improve readability, move push, writeback, and grp 1a/2/3/4/5 
>>> emulation parts to functions.
>>> +static inline int emulate_grp45(struct x86_emulate_ctxt *ctxt,
>>> +                   struct x86_emulate_ops *ops,
>>> +                   unsigned long *_eflags,
>>> +                   int *no_wb)
>>>   
>>
>> If you move _eflags and no_wb to the decode cache (in a separate 
>> patch) then this patch can be much nicer.
>
> I agree but this increases the size of the structure shared with the 
> userspace with variable used only locally in x86_emulate.c, is it 
> acceptable ?
>

It isn't shared with userspace, just part of the vcpu.

Looking a bit more, eflags is already present in x86_emulate_ctxt (and 
could be moved from there), and no_wb can be merged into opcode_table 
and twobyte_opcode_table, so long term there is no size change.

-- 
Any sufficiently difficult bug is indistinguishable from a feature.


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