Re: [PATCH 09/11] x86: rework CONFIG_GENERIC_CPU compiler flags

[Andy Shevchenko]

On Thu, Dec 05, 2024 at 10:46:25AM +0100, Arnd Bergmann wrote:
> On Thu, Dec 5, 2024, at 00:33, Linus Torvalds wrote:
> > On Wed, 4 Dec 2024 at 11:44, Arnd Bergmann <arnd@xxxxxxxx> wrote:

...

> I did come across a remaining odd problem with this, as Crusoe and
> GeodeLX both identify as Family 5 but have CMOV.  Trying to use
> a CONFIG_M686+CONFIG_X86_GENERIC on these runs fails with a boot
> error "This kernel requires a 686 CPU but only detected a 586 CPU".

It might be also that Intel Quark is affected same way.

> As a result, the Debian 686 kernel binary gets built with
> CONFIG_MGEODE_LX , which seems mildly wrong but harmful enough
> to require a change in how we handle the levels.

-- 
With Best Regards,
Andy Shevchenko