Re: [Xen-devel] Ping: [PATCH v3 0/4] x86/HVM: implement memory read caching

[George Dunlap <George.Dunlap@xxxxxxxxxx>]

> On Oct 11, 2018, at 5:15 PM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
> 
>>>> On 11.10.18 at 17:54, <George.Dunlap@xxxxxxxxxx> wrote:
> 
>>> On Oct 2, 2018, at 1:47 PM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>>> 
>>>>>> On 02.10.18 at 12:51, <andrew.cooper3@xxxxxxxxxx> wrote:
>>> 
>>>> This doesn't behave like real hardware, and definitely doesn't behave as
>>>> named - "struct hvmemul_cache" is simply false.  If it were named
>>>> hvmemul_psc (or some other variation on Paging Structure Cache) then it
>>>> wouldn't be so bad, as the individual levels do make more sense in that
>>>> context
>>> 
>>> As previously pointed out (without any suggestion coming back from
>>> you), I chose the name "cache" for the lack of a better term. However,
>>> I certainly disagree with naming it PSC or some such, as its level zero
>>> is intentionally there to be eventually used for non-paging-structure
>>> data.
>> 
>> I can think of lots of descriptive names which could yield unique 
>> three-letter acronyms:
>> 
>> Logical Read Sequence
>> Logical Read Series
>> Logical Read Record
>> Read Consistency Structure
>> Consistent Read Structure
>> Consistent Read Record
>> Emulation Read Record
>> […]
> 
> Well, I'm not sure LRS, LRR, RCS, CRS, CRR, or ERR would be
> easily recognizable as what they stand for. To be honest I'd
> prefer a non-acronym. Did you see my consideration towards
> "latch”?

Of course not; that’s why you put the long form name in a comment near the 
declaration. :-)

I don’t think I’ve personally used “latch” with that meaning very frequently 
(at least not in the last 10 years), so to me it sounds a bit obscure.  I would 
probably go with something else myself but I don’t object to it.

 -George
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