RE: [RFC PATCH] iov_iter: Convert iterate*() to inline funcs

From: David Laight
Date: Tue Aug 15 2023 - 07:14:19 EST


From: David Howells
> Sent: 11 August 2023 15:32
>
> Convert the iov_iter iteration macros to inline functions to make the code
> easier to follow. Ideally, the optimiser would produce much the same code
> in both cases, but the revised code ends up a bit bigger.
...

Actually quite typical because inlining happens much later on.
I suspect that the #define benefits from the compile front-end
optimising constants.

David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)