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

Peter Zijlstra
2010-11-11T15:38:50Z

On Thu, 2010-11-11 at 14:34 +0100, Borislav Petkov wrote:
> 3) enable the persistent event and stash its fd in some /sysfs member
> which the RAS daemon reads out and mmaps. This last one actually sounds
> pretty neat.

Right, stashing the thing in sysfs, which you can open()+mmap() seems
the best way. Not sure you want to make it a RAS specific place, maybe a
generic persistent buffer place.

You'll get multiple files anyway, one per cpu, so maybe something like:

/sysfs/persistent_buffer/ras[0..n]