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Re: [PATCH v2 1/3] checkpatch.pl: add missing memory barriers

From Joe Perches <joe@perches.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 1/3] checkpatch.pl: add missing memory barriers
Date 2016-01-10 16:20 +0100
Message-ID <qPpWG-5U9-7@gated-at.bofh.it> (permalink)
References <qPmP8-3H8-7@gated-at.bofh.it> <qPmP8-3H8-9@gated-at.bofh.it> <qPpN0-5Qp-15@gated-at.bofh.it>
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On Sun, 2016-01-10 at 07:07 -0800, Joe Perches wrote:
> On Sun, 2016-01-10 at 13:56 +0200, Michael S. Tsirkin wrote:
> > SMP-only barriers were missing in checkpatch.pl
> > 
> > Refactor code slightly to make adding more variants easier.
> []
> > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> If I use a variable called $smp_barriers, I'd expect
> it to actually be the smp_barriers, not to have to
> prefix it with smp_ before using it.
> 
> 		my $smp_barriers = qr{
> 			smp_store_release|
> 			smp_load_acquire|
> 			smp_store_mb|
> 			smp_read_barrier_depends

That's missing (?:barriers) too.

btw: shouldn't this also have
	smp_mb__(?:before|after)_atomic
?

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Thread

[PATCH v2 1/3] checkpatch.pl: add missing memory barriers "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 13:00 +0100
  Re: [PATCH v2 1/3] checkpatch.pl: add missing memory barriers Joe Perches <joe@perches.com> - 2016-01-10 16:10 +0100
    Re: [PATCH v2 1/3] checkpatch.pl: add missing memory barriers Joe Perches <joe@perches.com> - 2016-01-10 16:20 +0100
      Re: [PATCH v2 1/3] checkpatch.pl: add missing memory barriers "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 20:30 +0100
    Re: [PATCH v2 1/3] checkpatch.pl: add missing memory barriers "Michael S. Tsirkin" <mst@redhat.com> - 2016-01-10 20:20 +0100

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