checkpatch: complain about the use of dsb().
Now that mb() does what we want, dsb() should be discouraged. Change-Id: Ib8fe8f44f669753c3d91fac3c6e598e117d6d90e Signed-off-by: Gregory Bean <gbean@codeaurora.org> (cherry picked from commit 9c0619be7b93ad114d6f33a749d905ddff93df7d) Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
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@ -4548,6 +4548,13 @@ sub process {
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$herecurr);
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}
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# dsb is too ARMish, and should usually be mb.
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if ($line =~ /\bdsb\b/) {
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WARN("ARM_BARRIER",
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"Use of dsb is discouranged: prefer mb.\n" .
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$herecurr);
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}
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# unbounded string functions are overflow risks
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my %str_fns = (
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"sprintf" => "snprintf",
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