Re: [RFC PATCH] apei/ghes: fix ghes_poll_func by registering in non-deferrable mode

From: Borislav Petkov
Date: Mon Jan 06 2020 - 08:10:01 EST

On Mon, Jan 06, 2020 at 04:33:19PM +0530, Bhaskar Upadhaya wrote:
> Definition of poll interval as per spec (referred ACPI 6.3):
> "Indicates the poll interval in milliseconds OSPM should use to
> periodically check the error source for the presence of an error
> condition."

Please add that...

> We are observing an issue in our ThunderX2 platforms wherein
> ghes_poll_func is not called within poll interval when timer is
> configured with TIMER_DEFERRABLE flag(For NO_HZ kernel) and hence we
> are losing the error records.

... and that to your commit message then, so that it is crystal clear
*why* you're making this change.