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From: Corinna Vinschen <>
Subject: Re: Incorrect /proc/cpuinfo for AMD A6-9220
Date: Fri, 13 Apr 2018 11:51:00 -0000	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

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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
> (
> 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

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  reply	other threads:[~2018-04-13 11:51 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-13  3:01 Jeffrey Walton
2018-04-13 11:51 ` Corinna Vinschen [this message]
2018-04-14  0:37   ` Jeffrey Walton
2018-04-16  7:59     ` Corinna Vinschen
2018-04-16 15:19       ` Brian Inglis
  -- strict thread matches above, loose matches on Subject: below --
2018-04-13  2:56 Jeffrey Walton
2018-04-13  3:02 ` Jeffrey Walton

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