From patchwork Wed Apr 17 06:27:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Xing X-Patchwork-Id: 13632903 Received: from mail-io1-f43.google.com (mail-io1-f43.google.com [209.85.166.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EFAFD1851 for ; Wed, 17 Apr 2024 06:27:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.43 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713335253; cv=none; b=UyWzTnFa72IpODTLIuDOlTBulQ1EPH1sNY44QGgu/JBiP5Qd+OJ4rVN4cs7iL4wtWhdeC8+2KW2VXZmJr4/qJNqcVcDB/U3H1iFJiw4j1h2Pr0C7aA0Ryx4xOgF4Sc3YWIGq0ufSW/76mWjSApsrSI4Rt+kpGPrI3qrwW5AVbek= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713335253; c=relaxed/simple; bh=4ZlttUKtyoExP1Nv9yogHzO9e40SW3ngtgJva9rK2Kk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=jV5aCy1Q0oD2wx/NxmjP+bpd9rvb4Ugv2J9S8/vFSJX1pLU/KFed9FLdmAkYsXbGRf9839Wct9L8iQr5C74SlTrhgdEDg9pXAjbITMPv34rUckXnbmAgfl1KyOO4y1knuDK4kfQ+gBlfz6vPi7T1y8UwwaBY1et+w+TMmJP4cko= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=OmNKj7tS; arc=none smtp.client-ip=209.85.166.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="OmNKj7tS" Received: by mail-io1-f43.google.com with SMTP id ca18e2360f4ac-7d9cdce41f0so55401039f.2 for ; Tue, 16 Apr 2024 23:27:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1713335251; x=1713940051; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=ECLx2TLF4J2VfxrnMuUnajOpHCAyB1HvLwkhI8pOM8M=; b=OmNKj7tS8lGoh/0/3vRWyOJkdmVGkB89q8oM5Vcs3KoHCufAF+teTLZ0vutPLu1DA9 YbQpACKL1aPfEeUvhzk0UN164WhoLgqGz8a8PtDJuo0e/GdSgMYaQwaX6RQZV7uSiepr VUrr6uBcSUqx+1jruo6PQmyim5ww01/rq316lcvph3/V8sxd1mDzfUA/cN4w7tSMAzm4 fupfsxKcVBR+verTbJVYvRdCqj10nmhZbAgdcQD0FJtUxXXOIHX51IkpLO14w1Ob0CDD efAULIcdHMwRE4ekMe4Y7Y54wfRxdIqhTvM2Y0R2ZK3ZdmUQsp0Hp4I/XU2QeEP7IXSj 3FeA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1713335251; x=1713940051; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=ECLx2TLF4J2VfxrnMuUnajOpHCAyB1HvLwkhI8pOM8M=; b=ICikxsBm1h+EIz3WwybmT5Qe6vDrFO2dnsB4ZL2m32HlyEFsF+kv7jjMN+d3IL7dEk Ror6Lk/pcYvX94yBUPwzXdXIdlD9QLzKm8YqMvlWCR33EmclEcKE1xJQcv9Yf4ZbAFZc +9KQ9GitJm8Xh3PIbglBrvxhl9GoTgT/CdCWLca94XOVVsSiMyKizFw5O2cwW19Pcmjr u3LhlgKxkuI0MyO46TApeh1pWXJ9HX0KqGRsKwkSxdt7GZ/qpWaPwU0xswCgVHf68ydk L/kqyDIiBAu9ZktH6WvckQAFw85oR2iUPVXcxtjrlDyOY+x32uXzK39MnOOWP6D7zsiD gVOA== X-Gm-Message-State: AOJu0YxwlQ/CRHZTtWFuaf4sVmu32L40M81rFziZ8oDGlIr3hcF3pR/7 hwUqMJ/zSRx3M7KGtRzoKCg71HFpymVJaiuJl2hnIY+bC/Aed/oy X-Google-Smtp-Source: AGHT+IHq5/V0EhFuGEvF7dW4hGc5u/WgZoQLGgDCG6DUjnRfFFTlJ/PnGl3LIpkEUUHbEc8u4aLwkA== X-Received: by 2002:a05:6e02:1d89:b0:36b:19f3:5606 with SMTP id h9-20020a056e021d8900b0036b19f35606mr12584407ila.5.1713335251035; Tue, 16 Apr 2024 23:27:31 -0700 (PDT) Received: from KERNELXING-MB0.tencent.com ([43.132.141.20]) by smtp.gmail.com with ESMTPSA id a193-20020a6390ca000000b005dc120fa3b2sm9821006pge.18.2024.04.16.23.27.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Apr 2024 23:27:30 -0700 (PDT) From: Jason Xing To: edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, davem@davemloft.net, horms@kernel.org Cc: netdev@vger.kernel.org, kerneljasonxing@gmail.com, Jason Xing Subject: [PATCH net-next v2 0/3] locklessly protect left members in struct rps_dev_flow Date: Wed, 17 Apr 2024 14:27:18 +0800 Message-Id: <20240417062721.45652-1-kerneljasonxing@gmail.com> X-Mailer: git-send-email 2.33.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org From: Jason Xing Since Eric did a more complicated locklessly change to last_qtail member[1] in struct rps_dev_flow, the left members are easier to change as the same. [1]: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=3b4cf29bdab v2 1. fix passing wrong type qtail. Jason Xing (3): net: rps: protect last_qtail with rps_input_queue_tail_save() helper net: rps: protect filter locklessly net: rps: locklessly access rflow->cpu net/core/dev.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-)