[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v3 2/5] build: Hook the schedulers into Kconfig
On 1/8/16 10:49 AM, Jan Beulich wrote: >>>> On 08.01.16 at 17:30, <jonathan.creekmore@xxxxxxxxx> wrote: >> So, based on the Kconfig setup and the linker ASSERT, there should be no >> way to have a default scheduler that is not in the build. I wish Kconfig >> allowed you to state that you must have at least one option selected or >> up to all of the options selected (so I could require 1-4 schedulers >> compiled in, but not 0). Unfortunately, the only way that seems allowed >> is if you compile code in as modules, which Xen does not (with a choice >> block, you can select multiple items as M, but only 1 as Y, but at least >> 1 must be present --- since we only support Y, the choice block wouldn't >> work for the schedulers). > > Perhaps credit should just not be configurable then? > > Jan > How much effort are we willing to put in saving someone? We've already got these options completely hidden away. We've already given the user a warning that what they're doing isn't supported and they shouldn't be touching this. Then they have to disable the scheduler that they pick as the default. How many people are we expecting to really do this? I'm all for idiot proofing things but at some point we've got to say there's enough barriers to prevent this from happening. Otherwise we need to put a Xen developer in every Xen users home or office. -- Doug Goldstein Attachment:
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