[PATCH v3 2/5] powerpc: module_[32|64].c: replace swap function with built-in one
Michael Ellerman
patch-notifications at ellerman.id.au
Tue Jun 9 15:58:30 AEST 2020
On Tue, 2019-04-02 at 20:47:22 UTC, Andrey Abramov wrote:
> Replace relaswap with built-in one, because relaswap
> does a simple byte to byte swap.
>
> Since Spectre mitigations have made indirect function calls more
> expensive, and the default simple byte copies swap is implemented
> without them, an "optimized" custom swap function is now
> a waste of time as well as code.
>
> Signed-off-by: Andrey Abramov <st5pub at yandex.ru>
> Reviewed by: George Spelvin <lkml at sdf.org>
> Acked-by: Michael Ellerman <mpe at ellerman.id.au> (powerpc)
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/bac7ca7b985b72873bd4ac2553b13b5af5b1f08a
cheers
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