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

From: Johannes Thumshirn
Date: Fri Apr 15 2016 - 03:11:45 EST


On Donnerstag, 14. April 2016 19:40:47 CEST Dan Williams wrote:
> 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.
>
> Reported-by: Jeff Moyer <jmoyer@xxxxxxxxxx>
> Reported-by: Vishal Verma <vishal.l.verma@xxxxxxxxx>
> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> ---

Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>

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