Re: bit tweaks [was: Re: [nfsd4] potentially hardware breaking regression in 4.14-rc and 4.13.11]

From: Linus Torvalds
Date: Tue Nov 14 2017 - 19:02:38 EST


On Tue, Nov 14, 2017 at 3:53 PM, Rasmus Villemoes
<linux@xxxxxxxxxxxxxxxxxx> wrote:
>
> Odd. 7.2 and 7.1 (both of which I've just compiled from source, no
> special configure flags or anything) generate exactly the same (good)
> code for fs/namespace.o after patching. I also tried with
> CONFIG_CC_OPTIMIZE_FOR_SIZE=y just in case, but that still produces
> reasonable code. Oh well.

It might be configuration-dependent. I usually end up having a couple
of different configurations depending on what I'm doing, one being a
fairly minimal one, and one being the "allmodconfig" I use mainly for
build testing.

Linus