linux-kernel - [PATCH 0/6] nfit/ars: Improve polling and short-ARS execution

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Date:   Thu, 14 Feb 2019 12:10:04 -0800
From:   Dan Williams <dan.j.williams@...el.com>
To:     linux-nvdimm@...ts.01.org
Cc:     Krzysztof Rusocki <krzysztof.rusocki@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Toshi Kani <toshi.kani@....com>,
        Erwin Tsaur <erwin.tsaur@...cle.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/6] nfit/ars: Improve polling and short-ARS execution

Here is a small pile of updates to better coordinate the Linux ARS state
machine with platform-BIOS implementations. Specifically, take advantage
of opportunities to run short-ARS whenever the ARS interface is found to
be idle at init, always run short-ARS even if no_init_ars is specified,
allow root to reset the exponential backoff polling interval for ARS
completion, and protect the kernel against the consumption of stale ARS
results.

---

Dan Williams (6):
      nfit/ars: Attempt a short-ARS whenever the ARS state is idle at boot
      nfit/ars: Attempt short-ARS even in the no_init_ars case
      nfit/ars: Allow root to busy-poll the ARS state machine
      nfit/ars: Remove ars_start_flags
      nfit/ars: Introduce scrub_flags
      nfit/ars: Avoid stale ARS results

 drivers/acpi/nfit/core.c |   67 ++++++++++++++++++++++++++++++++--------------
 drivers/acpi/nfit/nfit.h |   10 +++++--
 2 files changed, 53 insertions(+), 24 deletions(-)