From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from 004.mia.mailroute.net (004.mia.mailroute.net [199.89.3.7]) (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 629E31DE892 for ; Wed, 16 Jul 2025 15:28:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=199.89.3.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752679689; cv=none; b=UoJga6rnxUrKpA0H7UiMCATaCjzWgEB1r7m2io/ImJN+46aAvEekTiAdh0pDEOZzGksZxIXRsO2yKc4eDiZp6URD5tGfu9l/Cm2gG7QPcJu2gVZOtKiC7np9NtUAUg8RvCOzct40/9SwdT6gZ9xCoNq6Azv2TlazBaTg/zNC5Wc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752679689; c=relaxed/simple; bh=eG1oOzHeD3fFsn5cFG9+ESqYlg1L9/SHLD15icCCqVU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=tB1/Vb6kH0lON7nj6RHuvANz9Hy5cMZgGKh0o2o7EJakx7U7a5VFpSujoNj2/bN1I+hH5g4r4cxhFA2OhIWV8DpemVGKQCuOlPlvRpL2abkchmD9AjKhK5RKpvrippFd28OVEsmYcdHwO39ciMP7uQgzpzeuACsL16p1VLORR78= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org; spf=pass smtp.mailfrom=acm.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b=v6+Z5+aF; arc=none smtp.client-ip=199.89.3.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=acm.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b="v6+Z5+aF" Received: from localhost (localhost [127.0.0.1]) by 004.mia.mailroute.net (Postfix) with ESMTP id 4bj0Lb3YWfzm1748; Wed, 16 Jul 2025 15:28:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=acm.org; h= content-transfer-encoding:content-type:content-type:in-reply-to :from:from:content-language:references:subject:subject :user-agent:mime-version:date:date:message-id:received:received; s=mr01; t=1752679684; x=1755271685; bh=eG1oOzHeD3fFsn5cFG9+ESqY lg1L9/SHLD15icCCqVU=; b=v6+Z5+aF2wIqG+J2gZwnKE9qubx0wWv9fKBKHIsZ euaQUsIX7hVMnNPq/7ocmJfGgeYVg8GBRcuFvlS950FCbXqitzdOyM+H1oL17hCA cVjvgLGo/8i3Vc7kGc2Rdq3X7n2W+nHaTuNHgaThWH7XTkFVwqplbd1oZ696hzt4 t8kScwks6GW3/hznNHxHWjyvFOmntH5xiLJV2nVL0Wg+rV53EV157/zS/mqjulHo kQX6K3I82Ul8B7OWNfbqT8lPXtR72zUTPYzn/PDkm+y5IoRZHC+mpBtLkBp1kbSG fyvAjKzM2H0utmnj8l5EyMb6XEfy98afRl1HtoLAnGAoyw== X-Virus-Scanned: by MailRoute Received: from 004.mia.mailroute.net ([127.0.0.1]) by localhost (004.mia [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id W3EtcA2xNsgz; Wed, 16 Jul 2025 15:28:04 +0000 (UTC) Received: from [100.66.154.22] (unknown [104.135.204.82]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bvanassche@acm.org) by 004.mia.mailroute.net (Postfix) with ESMTPSA id 4bj0LF4jcczm174n; Wed, 16 Jul 2025 15:27:48 +0000 (UTC) Message-ID: <9de567ee-f908-41a3-bcb7-7f54ebb17f55@acm.org> Date: Wed, 16 Jul 2025 08:27:47 -0700 Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 06/10] ufs: host: mediatek: Set IRQ affinity policy for MCQ mode To: peter.wang@mediatek.com, linux-scsi@vger.kernel.org, martin.petersen@oracle.com Cc: wsd_upstream@mediatek.com, linux-mediatek@lists.infradead.org, chun-hung.wu@mediatek.com, alice.chao@mediatek.com, cc.chou@mediatek.com, chaotian.jing@mediatek.com, jiajie.hao@mediatek.com, yi-fan.peng@mediatek.com, qilin.tan@mediatek.com, lin.gui@mediatek.com, tun-yu.yu@mediatek.com, eddie.huang@mediatek.com, naomi.chu@mediatek.com, ed.tsai@mediatek.com References: <20250716062830.3712487-1-peter.wang@mediatek.com> <20250716062830.3712487-7-peter.wang@mediatek.com> Content-Language: en-US From: Bart Van Assche In-Reply-To: <20250716062830.3712487-7-peter.wang@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 7/15/25 11:25 PM, peter.wang@mediatek.com wrote: > This patch sets the IRQ affinity for MCQ mode to improve > performance. Specifically, it migrates the IRQ from CPU0 to > CPU3 to enhance IRQ handling efficiency. IRQ affinity can and should be set from userspace. Bart.