linux-kernel - [PATCH 0/2] locking/atomics: fix and improvement

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Date:   Mon, 10 Dec 2018 17:50:33 +0000
From:   Mark Rutland <mark.rutland@....com>
To:     mingo@...nel.org
Cc:     linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
        anders.roxell@...aro.org, boqun.feng@...il.com,
        mark.rutland@....com, naresh.kamboju@...aro.org,
        peterz@...radead.org, will.deacon@....com
Subject: [PATCH 0/2] locking/atomics: fix and improvement

Hi Ingo,

I hope that these atomic scripting patches address your concerns with
the atomics scripting infrastructure. These are based on the tip
locking/core branch, leaving the headers checked-in.

The primary improvement is using a hash to detect when the headers have
been erroneously modified, meaning check-atomics.sh takes ~0.15s, which
I believe should be palatable.

It also turns out that some people are building without coreutils, so
I've picked up Anders' fix for this. Since sha1sum is part of coreutils,
the checks are skipped when this isn't present, on the assumption that
anyone actually sending patches will have a working coreutils.

Are you happy to pick these up?

Thanks,
Mark.

Anders Roxell (1):
  locking/atomics: Change 'fold' to 'grep'

Mark Rutland (1):
  locking/atomics: Check atomic headers with sha1sum

 include/asm-generic/atomic-instrumented.h |  1 +
 include/asm-generic/atomic-long.h         |  1 +
 include/linux/atomic-fallback.h           |  1 +
 scripts/atomic/atomic-tbl.sh              |  2 +-
 scripts/atomic/check-atomics.sh           | 26 ++++++++++++++++++++------
 scripts/atomic/gen-atomics.sh             | 20 ++++++++++++++++++++
 6 files changed, 44 insertions(+), 7 deletions(-)
 create mode 100755 scripts/atomic/gen-atomics.sh

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2.11.0