From mboxrd@z Thu Jan  1 00:00:00 1970
From: Will Deacon <will@kernel.org>
Subject: [PATCH v3 14/19] checkpatch: Remove checks relating to [smp_]read_barrier_depends()
Date: Fri, 10 Jul 2020 17:51:58 +0100
Message-ID: <20200710165203.31284-15-will@kernel.org>
References: <20200710165203.31284-1-will@kernel.org>
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Cc: Will Deacon <will@kernel.org>, Joel Fernandes <joelaf@google.com>, Sami Tolvanen <samitolvanen@google.com>, Nick Desaulniers <ndesaulniers@google.com>, Kees Cook <keescook@chromium.org>, Marco Elver <elver@google.com>, "Paul E. McKenney" <paulmck@kernel.org>, Matt Turner <mattst88@gmail.com>, Ivan Kokshaysky <ink@jurassic.park.msu.ru>, Richard Henderson <rth@twiddle.net>, Peter Zijlstra <peterz@infradead.org>, Alan Stern <stern@rowland.harvard.edu>, "Michael S. Tsirkin" <mst@redhat.com>, Jason Wang <jasowang@redhat.com>, Arnd Bergmann <arnd@arndb.de>, Boqun Feng <boqun.feng@gmail.com>, Catalin Marinas <catalin.marinas@arm.com>, Mark Rutland <mark.rutland@arm.com>, linux-arm-kernel@lists.infradead.org, linux-alpha@vger.kernel.org, virtualizati
List-Id: virtualization@lists.linuxfoundation.org

The [smp_]read_barrier_depends() macros no longer exist, so we don't
need to deal with them in the checkpatch script.

Acked-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
---
 scripts/checkpatch.pl | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 4c820607540b..8032f80c5bc7 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5903,8 +5903,7 @@ sub process {
 		my $barriers = qr{
 			mb|
 			rmb|
-			wmb|
-			read_barrier_depends
+			wmb
 		}x;
 		my $barrier_stems = qr{
 			mb__before_atomic|
@@ -5953,12 +5952,6 @@ sub process {
 			}
 		}
 
-# check for smp_read_barrier_depends and read_barrier_depends
-		if (!$file && $line =~ /\b(smp_|)read_barrier_depends\s*\(/) {
-			WARN("READ_BARRIER_DEPENDS",
-			     "$1read_barrier_depends should only be used in READ_ONCE or DEC Alpha code\n" . $herecurr);
-		}
-
 # check of hardware specific defines
 		if ($line =~ m@^.\s*\#\s*if.*\b(__i386__|__powerpc64__|__sun__|__s390x__)\b@ && $realfile !~ m@include/asm-@) {
 			CHK("ARCH_DEFINES",
-- 
2.27.0.383.g050319c2ae-goog