[PlanetCCRMA] 3ms latency in ccrma kernel

Fernando Lopez-Lezcano nando at ccrma.Stanford.EDU
Sun Jun 12 16:58:46 PDT 2016

On 06/08/2016 06:38 AM, Jiri Kastner wrote:
> what about put on fedorapeople git or github.com dist-git like repo for ccrma kernels?

Hmmm, could be. I have been using an svn repository for a long time 
(internally) to keep track of changes. I could try to move to git.

> it should speed up fixing, enabling and testing new config options
> notes to spec file:
> - i played with treating rt patch same way like stable update patch.
>    which means - 1st stable update patch, 2nd rt patch, 3rd fedora patches
>    it is easier to identify which patch failed, when applied after.

Sounds reasonable. I have not found problems myself when building, 
patches that do not patch are easy to spot. I think I have not had a 
problem of a patch not patching because of rt, it is always because I'm 
upgrading the underlying kernel before Fedora (or without syncing with 
the latest Koji build) and then the patches are stuff already included 
in the newer kernel.

> - what about make rt build extending kernel build, instead of replacing?
>    i mean produced rpms will be kernel, kernel-lpae, kernel-rt, kernel-rtlpae
>    not kernel-rt, kernel-rtlpae only.

Nope, sorry. This build should not provide a kernel that replaces the 
Fedora kernel. This is an extension that is separate (just the RT 
patched kernel). Providing a non-patched kernel would be confusing.

Thanks for the feedback.
-- Fernando

> On Tue, Jun 07, 2016 at 09:51:08AM -0700, Fernando Lopez-Lezcano wrote:
>> On 06/07/2016 12:18 AM, Jiri Kastner wrote:
>>> On Mon, 06 Jun 2016 15:51:43 -0700, Fernando Lopez-Lezcano wrote:
>>>> And another update, 4.4.12-rt19...
>>>> Enjoy!
>>> only for f23,
>> Correct,
>>> missing srpm
>> Thanks for spotting this, it was misplaced:
>> http://ccrma.stanford.edu/planetccrma/mirror/fedora/linux/planetcore/23/SRPMS/repoview/kernel.html
>> -- Fernando
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