[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 16:11 +0000, Russell King - ARM Linux 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: > > > + my $all_barriers = join('|', (@barriers, @smp_barriers)); > > > + > > > + if ($line =~ /\b($all_barriers)\(/) { > > > > It would be better to use /\b$all_barriers\s*\(/ > > as there's no reason for the capture and there > > could be a space between the function and the > > open parenthesis. > > I think you mean > > /\b(?:$all_barriers)\s*\(/ > > as 'all_barriers' will be: > > mb|wmb|rmb|smp_mb|smp_wmb|smp_rmb > > and putting that into your suggestion results in: > > /\bmb|wmb|rmb|smp_mb|smp_wmb|smp_rmb\s*\(/ > > which is clearly wrong - the \b only applies to 'mb' and the \s*\( only > applies to smp_rmb. right, thanks. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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