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

[Michal Hocko]

On Thu 26-04-18 18:52:05, Mikulas Patocka wrote:
> 
> 
> On Fri, 27 Apr 2018, Michael S. Tsirkin wrote:
[...]
> >    But assuming it's important to control this kind of
> >    fault injection to be controlled from
> >    a dedicated menuconfig option, why not the rest of
> >    faults?
> 
> The injected faults cause damage to the user, so there's no point to 
> enable them by default. vmalloc fallback should not cause any damage 
> (assuming that the code is correctly written).

But you want to find those bugs which would BUG_ON easier, so there is a
risk of harm IIUC and this is not much different than other fault
injecting paths.
-- 
Michal Hocko
SUSE Labs