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SubjectRe: [dm-devel] [PATCH v5] fault-injection: introduce kvmalloc fallback options


On Thu, 26 Apr 2018, Michal Hocko wrote:

> On Wed 25-04-18 18:42:57, Mikulas Patocka wrote:
> >
> >
> > On Wed, 25 Apr 2018, James Bottomley wrote:
> [...]
> > > Kconfig proliferation, conversely, is a bit of a nightmare from both
> > > the user and the tester's point of view, so we're trying to avoid it
> > > unless absolutely necessary.
> > >
> > > James
> >
> > I already offered that we don't need to introduce a new kernel option and
> > we can bind this feature to any other kernel option, that is enabled in
> > the debug kernel, for example CONFIG_DEBUG_SG. Michal said no and he said
> > that he wants a new kernel option instead.
>
> Just for the record. I didn't say I _want_ a config option. Do not
> misinterpret my words. I've said that a config option would be
> acceptable if there is no way to deliver the functionality via kernel
> package automatically. You haven't provided any argument that would
> explain why the kernel package cannot add a boot option. Maybe there are
> some but I do not see them right now.

AFAIK Grub doesn't load per-kernel options from a per-kernel file. Even if
we hacked grub scripts to add this option, other distributions won't.

Mikulas

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