checkpatch: allow DEFINE_PER_CPU definitions to exceed line length

Some of the definitions are very long and can't be split into multiple
lines because ctags is limited.

Exempt these lines from the line length checks.

See commit 25528213 ("tags: Fix DEFINE_PER_CPU expansions") for more
details.

Link: http://lkml.kernel.org/r/1508170320.6530.15.camel@perches.comSigned-off-by: NJoe Perches <joe@perches.com>
Acked-by: NMark Rutland <mark.rutland@arm.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

scripts/checkpatch.pl

@@ -2900,8 +2900,9 @@ sub process {
 				 $line =~ /^\+\s*#\s*define\s+\w+\s+$String$/) {
 				$msg_type = "";
 
-			# EFI_GUID is another special case
-			} elsif ($line =~ /^\+.*\bEFI_GUID\s*\(/) {
+			# More special cases
+			} elsif ($line =~ /^\+.*\bEFI_GUID\s*\(/ ||
+				 $line =~ /^\+\s*(?:\w+)?\s*DEFINE_PER_CPU/) {
 				$msg_type = "";
 
 			# Otherwise set the alternate message types