nfit/ars: Avoid stale ARS results

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Gate ARS result consumption on whether the OS issued start-ARS since the
previous consumption. The BIOS may only clear its result buffers after a
successful start-ARS.

Fixes: 0caeef63e6 ("libnvdimm: Add a poison list and export badblocks")
Cc: <stable@vger.kernel.org>
Reported-by: Krzysztof Rusocki <krzysztof.rusocki@intel.com>
Reported-by: Vishal Verma <vishal.l.verma@intel.com>
Reviewed-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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Dan Williams 2019-02-13 09:28:40 -08:00

parent 5479b2757f

commit 78153dd45e

2 changed files with 17 additions and 1 deletions

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17

drivers/acpi/nfit/core.c

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1

drivers/acpi/nfit/nfit.h

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