Re: [PATCH 2/2] edac: add support for Amazon's Annapurna Labs EDAC
From: Benjamin Herrenschmidt
Date: Thu Jun 13 2019 - 13:05:32 EST
On Wed, 2019-06-12 at 14:25 +0200, Borislav Petkov wrote:
> > But for the main case that really needs to be in the kernel, which is
> > DRAM, the recovery can usually be contained to the MC driver anyway.
> Right, if that is enough to handle the error properly.
> The memory-failure.c example I gave before is the error reporting
> mechanism (x86 MCA) calling into the mm subsystem to poison and isolate
> page frames which are known to contain errors. So you have two things
> talking to each other.
And none of them is an EDAC driver...
I mean yes, the network drivers talk to the network stack, or even the
memory allocator :-)
I still don't see how that requires a big platform coordinator...