Re: [PATCH v2 ] devcoredump : Serialize devcd_del work

Johannes Berg
2022-04-27T11:58:38Z

On Tue, 2022-04-26 at 14:25 -0700, Kees Cook wrote:
> >
> > https://lore.kernel.org/lkml/1650981343-11739-1-git-send-email-quic_mojha@quicinc.com/
> >
> > While, we would like to hear from Kees about reason of immediate flush from
> > disabled_store().
>
> This is lost to ancient history in my brain right now. Do you have any
> references to past threads on this? The only thing I remember about
> device memory dumping was just to make sure that lockdown's
> CONFIDENTIALITY mode would block it.
>

Hm, no, I don't, sorry. I don't even have an email record of it now,
perhaps it went to my @intel.com and has long expired?

Anyway, I seem to remember you asking to have a disable bit and I
implemented it in commit d45333294da8, which you reviewed, but I have no
record of you asking for it even though I think you did :)

johannes