[dm-devel] [PATCH v5] fault-injection: introduce kvmalloc fallback options
Michal Hocko
mhocko at kernel.org
Fri Apr 27 08:25:55 UTC 2018
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
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