[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 1/3] checkpatch.pl: add missing memory barriers
On Mon, 2016-01-04 at 22:45 +0200, Michael S. Tsirkin wrote: > On Mon, Jan 04, 2016 at 08:07:40AM -0800, Joe Perches wrote: > > On Mon, 2016-01-04 at 13:36 +0200, Michael S. Tsirkin wrote: > > > SMP-only barriers were missing in checkpatch.pl > > > > > > Refactor code slightly to make adding more variants easier. > > > > > > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx> > > > --- > > > scripts/checkpatch.pl | 9 ++++++++- > > > 1 file changed, 8 insertions(+), 1 deletion(-) > > > > > > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl > > > index 2b3c228..0245bbe 100755 > > > --- a/scripts/checkpatch.pl > > > +++ b/scripts/checkpatch.pl > > > @@ -5116,7 +5116,14 @@ sub process { > > > } > > > } > > > # check for memory barriers without a comment. > > > - if ($line =~ > > > /\b(mb|rmb|wmb|read_barrier_depends|smp_mb|smp_rmb|smp_wmb|smp_read_barrier_depends)\(/) > > > { > > > + > > > + my @barriers = ('mb', 'rmb', 'wmb', 'read_barrier_depends'); > > > + my @smp_barriers = ('smp_store_release', 'smp_load_acquire', > > > 'smp_store_mb'); > > > + > > > + @smp_barriers = (@smp_barriers, map {"smp_" . $_} @barriers); > > > > I think using map, which so far checkpatch doesn't use, > > makes smp_barriers harder to understand and it'd be > > better to enumerate them. > > Okay - I'll rewrite using foreach. > I think using the qr form (like 'our $Attribute' and a bunch of others) is the general style that should be used for checkpatch. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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