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Rebase locking/kcsan to locking/urgent

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Merge the state of the locking kcsan branch before the read/write_once()
and the atomics modifications got merged.

Squash the fallout of the rebase on top of the read/write once and atomic
fallback work into the merge. The history of the original branch is
preserved in tag locking-kcsan-2020-06-02.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2020-06-11 20:02:46 +02:00
commit 37d1a04b13
59 changed files with 4163 additions and 581 deletions
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8
scripts/checkpatch.pl
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@ -5945,6 +5945,14 @@ sub process {
}
}
# check for data_race without a comment.
if ($line =~ /\bdata_race\s*\(/) {
if (!ctx_has_comment($first_line, $linenr)) {
WARN("DATA_RACE",
"data_race without comment\n" . $herecurr);
}
}
# check for smp_read_barrier_depends and read_barrier_depends
if (!$file && $line =~ /\b(smp_|)read_barrier_depends\s*\(/) {
WARN("READ_BARRIER_DEPENDS",