[PATCH] arm: Silence gcc warnings about arch ABI drift

Kent Overstreet kent.overstreet at linux.dev
Mon Feb 19 13:38:16 PST 2024


On Mon, Feb 19, 2024 at 07:53:15PM +0000, David Laight wrote:
> ...
> > I'm not always trying to write code that will generate the fastest
> > assembly possible; there aro other considerations. As long a the
> > compiler is doing something /reasonable/, the code is fine.
> 
> Speaks the man who was writing horrid 'jit' code ...
> 
> This also begs the question of why that data is so compressed
> in the first place?
> It is quite likely that a few accesses generate far more code
> than the data you are attempting to save.

It's easy to understand if you understand profiling, benchmarking and
cache effects.

That 'jit code' is for _all_ filesystem metadata.



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