Re: [Xen-devel] VCPUOP_set_periodic_timer

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 15/11/13 12:46, Nate Studer wrote:
> On 11/15/2013 7:17 AM, Andrew Cooper wrote:
> > The cpupool issue with the arinc653 scheduler is now fixed (or at least believed
> > to be) in xen-unstable.
> The crashes are fixed in unstable, but pools still do not work in xen-unstable
> unless the system is booted with the arinc653 scheduler, the dom0_max_vcpus
> parameter is set to 1, and cpu0 is never removed from Pool-0.
>
> I have pools working locally without these restrictions, but I was unable to get
> a patchset around before the feature freeze was declared, so I believe it is too
> late to try and get it into unstable.  (George, correct me if I am wrong.)
Bug fixes are not features. :-)

Bug fixes are accepted very late in the release process.  The only 
reason they might ever be rejected is if we think there may be a risk 
that the fix will break other working functionality -- particularly if 
we think that breakage may not be discovered until after the release.
If the fixes involve generic scheduling code, I imagine they would be 
accepted well into RC3 if they were not terribly complicated; if they 
were limited to the arinc653 scheduler itself, they could probably be 
accepted until just before the release.
 -George


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