Re: [PATCH V4] sched/isolation: isolate from handling managed interrupt

From: Thomas Gleixner
Date: Tue Feb 04 2020 - 04:14:09 EST


Peter,

Peter Xu <peterx@xxxxxxxxxx> writes:
> On Mon, Feb 03, 2020 at 11:15:50PM +0000, Thomas Gleixner wrote:
>> No, really. The basic guarantee is that your new kernel is going to work
>> fine with the previous command line, but making a guarantee that new
>> command line options still work on an old kernel are just creating a
>> horrible mess. So if that command line interface was not designed to
>> handle unknown arguments in the first place, you better fix that.
>
> Hi, Thomas,
>
> Just to make sure I understand it right: are you suggesting that we
> fix up housekeeping_isolcpus_setup() to be able to skip unknown sub
> parameters?

Exactly.