Re: [PATCH] compat/compat-drivers/linux-next: fb skip_vt_switch

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On Thu, Mar 28, 2013 at 11:10 AM, Julia Lawall <julia.lawall@xxxxxxx> wrote:
> On Thu, 28 Mar 2013, Luis R. Rodriguez wrote:
>>
>> Thanks Julia! I'll be sure to try to add this to compat-drivers if the
>> upstream fb patch is not accepted. If it is accepted we would not need
>> this at all!
>>
>> > Then I guess there would be a similar rule for the false case?
>>
>> Nope, see that's the proactive strategy taken by the static inline and
>> hence the patch. compat would have a static inline for both cases, and
>> for the false case it'd be a no-op. If accepted upstream though then
>> we would not need any changes for this collateral evolution. However
>> *spotting* these collateral evolutions and giving you SmPL for them as
>> a proactive strategy might be good given that if these type of patches
>> are indeed welcomed upstream we'd then be able to address these as
>> secondary steps. If they are not accepted then indeed we'd use them to
>> backport that collateral evolution through both compat (adds the
>> static inlines) and compat-drivers (the SmPL).
>
> Probably I am missing something, since I haven't looked at the code in
> detail, bu wouldn't it be nicer to have a function call for the false
> case, if there is a function call for the true case?

Yes, and indeed we have that, its the same function call, in the
negative case its a no-op, in the newer kernels it wraps to modifying
the element as in the original code.

> In looking at the
> code, one could wonder why things are not done in a parallel way.

Not sure I get this.

  Luis
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