Re: [PATCH v1 08/38] arm64/sve: Track vector lengths for tasks in an array

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On Mon, 11 Oct 2021 14:14:16 +0100
Mark Brown <broonie@xxxxxxxxxx> wrote:

> On Mon, Oct 11, 2021 at 11:20:57AM +0100, Jonathan Cameron wrote:
> > Mark Brown <broonie@xxxxxxxxxx> wrote:  
> 
> > > As for SVE we will track a per task SME vector length for tasks. Convert
> > > the existing storage for the vector length into an array and update
> > > fpsimd_flush_task() to initialise this in a function.  
> 
> > I'm clearly having a trivial comment day.  Given reduction in indenting
> > it would be nice perhaps to reformat comments to take that into account.  
> 
> Again I'll have done this to make it clearer that things are just being
> moved about - as a reviewer I do find things like that very helpful.
> 
> > I'm also unconvinced the trivial wrappers are worthwhile.  (maybe you drop
> > those later?)  
> 
> They do hide what we're doing from the rest of the series which makes
> the whole thing a lot easier to work with, especially if we change what
> data structures we use or there's some debate as to the names of the
> constants.  A bunch of them directly map onto existing trivial wrappers
> too, there's been some stylistic preference for that.
> 
> If people want to remove the wrappers I'd propose leaving them for now
> then adding a patch afterwards which removes them, or at least waiting
> until we've got very firm agreement from Catalin and Will on the data
> structures and constants.
> 

Makes sense.

J



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