Re: dump to cgdNb device

[Alexander Nasonov <alnsn%yandex.ru@localhost>]

Christos Zoulas wrote:
> That means that either cpu_dump or the next function returned ENXIO.
> The code is very careful to dump only on partitions that are marked as
> swap and on devices it knows about to avoid accidents. Dumping on
> "software" devices is very dangerous since typically when you are dumping
> you've probably corrupted memory already.

There is a risk even with hardware devices but it's smaller because less
software is involved. Dumping to cgd is a quite important usecase and
perhaps we should make an exception. Would it help to RO protect some
data structures like private keys?

Alex