From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx01.omp.ru (mx01.omp.ru [90.154.21.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5AD0D172BB6; Tue, 28 May 2024 16:44:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.154.21.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716914674; cv=none; b=OhzN8Y6M79AWg3GDnD+KbirKbXC01BE6rpzX30gsCSX6Olj4mQOHQ0TWL3L4h8wK6aCSpMVazuhcABO2c2QyC1AgOX7Jm5xScqMxnOKOuBLm8JsnAO+KF/fuKnAr5gz4+5N8AZU3WUyTynLKJvatfX+O+XBcHbk++haNsLLTxBM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716914674; c=relaxed/simple; bh=wirEkR+pfwBItQse/OHEsogSAK2AfZ2DNuPaME/DHB4=; h=Subject:To:CC:References:From:Message-ID:Date:MIME-Version: In-Reply-To:Content-Type; b=MjL/7Wmy/MXnTjhbNHZisy9zylqqej/WXbXe8XK+LWP1CMu3qiSsktICMcbB/eMN0YZoIqzuKSeTyq5+zTWgivdGLpWi+x+rsrd8W+1HjmGBTFrTBJ1cDhM4us4qaSoB0v1CAhoEUp59FPVgVN6aA2q/R0SMERKxal81JZncSSM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=omp.ru; spf=pass smtp.mailfrom=omp.ru; arc=none smtp.client-ip=90.154.21.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=omp.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=omp.ru Received: from [192.168.1.105] (178.176.78.2) by msexch01.omp.ru (10.188.4.12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.1258.12; Tue, 28 May 2024 19:44:21 +0300 Subject: Re: [net-next PATCH v4 2/7] net: ravb: Consider busypolling status when re-enabling interrupts To: Paul Barker , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , =?UTF-8?Q?Niklas_S=c3=b6derlund?= CC: Biju Das , Claudiu Beznea , Yoshihiro Shimoda , , , References: <20240528150339.6791-1-paul.barker.ct@bp.renesas.com> <20240528150339.6791-3-paul.barker.ct@bp.renesas.com> From: Sergey Shtylyov Organization: Open Mobile Platform Message-ID: <669d3b51-d068-8816-37d1-dab2ffadb250@omp.ru> Date: Tue, 28 May 2024 19:44:21 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <20240528150339.6791-3-paul.barker.ct@bp.renesas.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-ClientProxiedBy: msexch01.omp.ru (10.188.4.12) To msexch01.omp.ru (10.188.4.12) X-KSE-ServerInfo: msexch01.omp.ru, 9 X-KSE-AntiSpam-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 6.1.0, Database issued on: 05/28/2024 16:25:02 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 59 X-KSE-AntiSpam-Info: Lua profiles 185551 [May 28 2024] X-KSE-AntiSpam-Info: Version: 6.1.0.4 X-KSE-AntiSpam-Info: Envelope from: s.shtylyov@omp.ru X-KSE-AntiSpam-Info: LuaCore: 20 0.3.20 743589a8af6ec90b529f2124c2bbfc3ce1d2f20f X-KSE-AntiSpam-Info: {rep_avail} X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: {relay has no DNS name} X-KSE-AntiSpam-Info: {SMTP from is not routable} X-KSE-AntiSpam-Info: {Found in DNSBL: 178.176.78.2 in (user) b.barracudacentral.org} X-KSE-AntiSpam-Info: 127.0.0.199:7.1.2;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;omp.ru:7.1.1 X-KSE-AntiSpam-Info: ApMailHostAddress: 178.176.78.2 X-KSE-AntiSpam-Info: {DNS response errors} X-KSE-AntiSpam-Info: Rate: 59 X-KSE-AntiSpam-Info: Status: not_detected X-KSE-AntiSpam-Info: Method: none X-KSE-AntiSpam-Info: Auth:dmarc=temperror header.from=omp.ru;spf=temperror smtp.mailfrom=omp.ru;dkim=none X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Heuristic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 05/28/2024 16:28:00 X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: Clean, bases: 5/28/2024 12:09:00 PM X-KSE-Attachment-Filter-Triggered-Rules: Clean X-KSE-Attachment-Filter-Triggered-Filters: Clean X-KSE-BulkMessagesFiltering-Scan-Result: InTheLimit On 5/28/24 6:03 PM, Paul Barker wrote: > Make use of the busypolling status returned from NAPI complete to decide My spellchecker/translator trip over "busypolling" -- consider using "busy-polling"? And did you actually mean napi_complete_done()? > if interrupts shall be re-enabled or not. This is useful to reduce the > interrupt overhead. > > While at it switch to using napi_complete_done() as it take into account Takes. > the work done when providing the busypolling status. Again, "busy-polling"? > Signed-off-by: Paul Barker [...] MBR, Sergey