Re: [gentoo-user] Re: Missing CPU options in make menuconfig

2016-07-21 Thread Andrew Savchenko
On Thu, 21 Jul 2016 08:20:18 +0100 Neil Bothwick wrote:
> On Wed, 20 Jul 2016 18:29:48 + (UTC), Holger Hoffstätte wrote:
> 
> > https://github.com/graysky2/kernel_gcc_patch
> > 
> > is what's missing in mainline but part of -gentoo.
> 
> Now I understand, and can apply that patch separately, thanks for the
> pointer.

Be careful with MNATIVE optimization. In some cases it results in
broken kernel: random userspace segfaults. See
https://github.com/graysky2/kernel_gcc_patch/issues/15

Best regards,
Andrew Savchenko


pgpzPNjAwM98H.pgp
Description: PGP signature


Re: [gentoo-user] Re: Missing CPU options in make menuconfig

2016-07-21 Thread Neil Bothwick
On Wed, 20 Jul 2016 18:29:48 + (UTC), Holger Hoffstätte wrote:

> https://github.com/graysky2/kernel_gcc_patch
> 
> is what's missing in mainline but part of -gentoo.

Now I understand, and can apply that patch separately, thanks for the
pointer.


-- 
Neil Bothwick

Top Oxymorons Number 18: Taped live


pgpgK2Xbr7beg.pgp
Description: OpenPGP digital signature


[gentoo-user] Re: Missing CPU options in make menuconfig

2016-07-20 Thread Holger Hoffstätte
On Wed, 20 Jul 2016 18:50:56 +0100, Neil Bothwick wrote:

> I'm trying to do something with a vanilla kernel from kernel.org. Under
> Processor type and features/Processor family, there are only a handful of
> choices, whereas my portage-installed gentoo-sources lists many more.
> 
> The help page on the vanilla sources shows the full list, but they are
> not available to pick and the help does not mentions an option to enable
> to show these.
> 
> What do I need to enable?

https://github.com/graysky2/kernel_gcc_patch

is what's missing in mainline but part of -gentoo.

-h