Re: [PATCH] libnvdimm, pmem: clarify the write+clear_poison+write flow

From: Jeff Moyer
Date: Fri Apr 15 2016 - 08:32:21 EST


Dan Williams <dan.j.williams@xxxxxxxxx> writes:

> The ACPI specification does not specify the state of data after a clear
> poison operation. Potential future libnvdimm bus implementations for
> other architectures also might not specify or disagree on the state of
> data after clear poison. Clarify why we write twice.

Thanks, Dan, looks good.

Reviewed-by: Jeff Moyer <jmoyer@xxxxxxxxxx>