Re: [PATCH 03/20] x86, mce: Add persistent MCE event

Ben Gamari
2010-11-10T21:15:55Z

On Thu, 4 Nov 2010 16:36:39 +0100, Borislav Petkov <bp@amd64.org> wrote:
> From: Borislav Petkov <borislav.petkov@amd.com>
>
> Add the necessary glue to enable the mce_record tracepoint on boot
> turning it into a persistent event. This exports the MCE buffer
> read-only to a userspace daemon which will hook into it through debugfs
> when booting is finished.
>
While MCE technically is a diagnostics service, do we want to start
adding dependencies on debugfs in long-running, common-place daemons? I
was under the impression we were to avoid using debugfs for anything
other than values for one-off debugging.

Cheers,

- Ben