Web lists-archives.com

Re: Incorrect /proc/cpuinfo for AMD A6-9220

On Apr 12 23:01, Jeffrey Walton wrote:
> Hi Everyone,
> I'm working on an AMD A6-9220 and seeing unusual results from
> /proc/cpuinfo. I think this may be an issue with the latest Cygwin. It
> may be present in earlier versions, too.
> Russinovich's coreinfo is shown below
> (https://docs.microsoft.com/en-us/sysinternals/downloads/coreinfo).
> Notice /proc/cpuinfo is missing aesni, pclmul, rdrand, SSE4.1, SSE4.2,
> AVX, etc.

Note that, in theory, cpuinfo has to be extended for each new CPU
generation.  That's a lot of work for marginal gain (Cygwin's not a real
kernel) so I'm doing this only very seldomly.

Patches welcome, of course!


Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

Attachment: signature.asc
Description: PGP signature