Re: Removal of POWER4 support

[Gatis Visnevskis <gasha@pie-dabas.net>]

Hi,

We still have ibm p630 PPC4+ model 6E4 in good working order.
Not big an not hungry.

https://www.ibm.com/support/knowledgecenter/en/POWER5/iphc5/p630_6c4_6e4.htm

G

On 2018.04.09. 02:06, Benjamin Herrenschmidt wrote:
> On Sun, 2018-04-08 at 09:59 +0200, John Paul Adrian Glaubitz wrote:
> > Hi Michael!
> >
> > I was just pointed at your pull request to remove POWER4 support from the
> > kernel and I'm stumped. POWER4 is something that people are still actively
> > using.
> >
> > I'm not aware of any breakage you are mentioning, we have multiple machines
> > running 4.15 kernels on older PPC64 machines without any issues.
> >
> > Please keep in mind that IBM isn't the sole manufacturer of POWER machines
> > but there are also people running PPC64 Linux on embedded PPC64 machines
> > with Freescale CPUs for example.
>
> We aren't dropping support for any Freescale CPUs (BookE). Are you
> really aware of anybody using a POWER4 though ? Those were huge
> machines using a lot of electricity for little processing power by
> today standards...
>
> Note: We aren't removing 970 (aka G5) support, only server POWER4.
>
> Cheers,
> Ben.