From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.toke.dk (mail.toke.dk [45.145.95.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 298162BE026 for ; Thu, 23 Apr 2026 12:08:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.145.95.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776946106; cv=none; b=aP5GxccjgtBLmuzkD1/ZJrd1052Ks+890PON0+098GYNgicPhl1f8h0MdAaJTSHzMsHI1e9poKYST9KIpguZvvmOtMzplBYpELeTZbrWIL0WpD8w6vyHyLPRLoQQAx2rwcD5furt/6Fy7imBgZ6tcGfL69x1yx0qC+cflSVLKx0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776946106; c=relaxed/simple; bh=9Amh17detrVqvzU7RxH1v/MIpeUMgRuJt11KfZMbzag=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=eSD4Z9VIHj8ui79DEC++KReuWkoWhVQsSkm295ibrbTakpka2HNwgggDuN+W+Y7ZckgWvc1kIHglnLf/be0jSLs/C9SUI4INldum8qKC/slUcP57TI77zl5PZgO2Fg16FhGvkbbjuuvQajMmuAOejsc0ZUKYCEr2axVhh+uTdcQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=toke.dk; spf=pass smtp.mailfrom=toke.dk; arc=none smtp.client-ip=45.145.95.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=toke.dk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=toke.dk From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= Authentication-Results: mail.toke.dk; dkim=none To: Eric Dumazet , "David S . Miller" , Jakub Kicinski , Paolo Abeni Cc: Simon Horman , Jamal Hadi Salim , Jiri Pirko , netdev@vger.kernel.org, eric.dumazet@gmail.com, Eric Dumazet Subject: Re: [PATCH net 1/5] net/sched: sch_cake: annotate data-races in cake_dump_stats() (I) In-Reply-To: <20260423102324.3172448-2-edumazet@google.com> References: <20260423102324.3172448-1-edumazet@google.com> <20260423102324.3172448-2-edumazet@google.com> Date: Thu, 23 Apr 2026 14:08:20 +0200 X-Clacks-Overhead: GNU Terry Pratchett Message-ID: <87bjf9yj4b.fsf@toke.dk> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Eric Dumazet writes: > cake_dump_stats() runs without qdisc spinlock being held. > > In this first patch, I add READ_ONCE()/WRITE_ONCE() annotations > for the following fields: > > - way_hits > - way_misses > - way_collisions > - sparse_flow_count > - decaying_flow_count > > Other annotations are added in following patches, to ease code review. > > Fixes: 046f6fd5daef ("sched: Add Common Applications Kept Enhanced (cake)= qdisc") > Signed-off-by: Eric Dumazet > Cc: "Toke H=C3=B8iland-J=C3=B8rgensen" Acked-by: Toke H=C3=B8iland-J=C3=B8rgensen