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

Kent Overstreet
2024-02-19T21:38:21Z

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.