Re: [PATCH 8/8] x86: simplify 32-bit instruction set selection

[David Laight]

On Sat, 23 May 2026 10:51:41 +0200
"Arnd Bergmann" <arnd@xxxxxxxx> wrote:

> On Fri, May 22, 2026, at 23:33, David Laight wrote:
...
> > But neither is really anything like even Sandy bridge.  
> 
> Sandy Bridge was well into the 64-bit era. Even when that was
> new, you wouldn't have run a 32-bit kernel on it (or cared
> about CPU optimizations if you did). For x86-64 there is no
> CPU selection and we just always build with -mtune=generic.
> This works well with any out-of-order microarchitecture.

For some reason I was thinking the same mtune list would apply to 64bit
(even though some would clearly be pointless).

I probably got fooled by you saying that the other ten are aliases.

-- David

> 
>        Arnd