From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: ** X-Spam-Status: No, score=2.7 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,URIBL_DBL_ABUSE_MALW,URIBL_SBL,URIBL_SBL_A autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E5420C3524A for ; Tue, 4 Feb 2020 03:11:43 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A43E120732 for ; Tue, 4 Feb 2020 03:11:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="FOazFyb7"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="lx/YInbr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A43E120732 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=zuX+Izy6OG6b8xNF9+N4SXIyARorv4kXNOXOyW89NpA=; b=FOazFyb7TAUQWX 7xtrVjorcaRqqIcu9rCDg+cJkBMa7GKMc5RqJUc2lLrN01vNyFk9xNm+wcuvAXmcAAQ6wjGmOMIq7 J3h96eHDJF0k3YT4aQ52PEKAcRiVzIB5WQg0yidcOm5iG6KAK8InrtycDaTPCmoupk8MAeyB/b3OG L5zl0+LBCXV5VKsFH8AJJKjbdYSYirc9OqtE40sxoNaaLh8oGn6FDVoXOHSTjhVhOO9cZd36T71uk V4cwmpNhcUAp1GNRnn1RW2qrSmkiGAdWXcH+KZqQmTP/xEnMQS81sbzv76nCv/ZEjxdUFZ++PFZng mYi+siE1a1dJePIwXzPA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iyocm-0004KI-EL; Tue, 04 Feb 2020 03:11:40 +0000 Received: from mail-qk1-x742.google.com ([2607:f8b0:4864:20::742]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iyock-0004Ji-01 for linux-nvme@lists.infradead.org; Tue, 04 Feb 2020 03:11:39 +0000 Received: by mail-qk1-x742.google.com with SMTP id u19so8873255qku.8 for ; Mon, 03 Feb 2020 19:11:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=AQPvBn3+mpVQXLNFO7ln9Q3PQvFlywhORrkpfNdpRp4=; b=lx/YInbrNokwp5yZHxjAiGDoPWM9E2DKV37xld9nufJgcj4+Tu1yfL43ucz5nevePk LnNz27D4HpwIJGOaTtk8C0MnOYpbcXav3fJZY1FTPUOUG1wd2ISFOdZw4aXORQ0UotB3 aPQMrXfuZ9/XNp4AIJOLGII5exFcPoOrViq9q3w3ZpzwInKdATwSVGJjkuJJyU6XRao4 Y/ce3+O/FdwAZchKSzYBNHF22kFxA7zs3yzQfoJnOmxc+h6c/dZPdPxpon6xN25l17HF UyJS4pIwV5OLOvhsvCt4lMEbafQFOGDHUXmz8sdLPFUjMFAtgWdOkMEVYcwKUhSU7XO6 wLZg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=AQPvBn3+mpVQXLNFO7ln9Q3PQvFlywhORrkpfNdpRp4=; b=ZaenMtVHI+IHIdQQjQMhRtn6G+hZKocQbjDwoNkgCGpCuEXmQHP5I4BNLi/XGHaCSk wjGZZmlieCIpcd6fZtsFvyLqDTUljKF/eGKEOEIZEDqkdncFBAIgs+iB7/iiEbrY/4F8 4dDn/mhXr/l413mEXGW2gLsPvl+5rcR4oj5BmIWOSjyf9DlZ9pFT9RyPZiLzEmHCUTEv bhJijWpwNVle/2EbqOhWg9uHb25XVGV2xibzf/ySCPkzJLiwM39s9oHe83343m0SNxMM 4q6KRd6ddWoVCJCvI9S1rFcIRzYLMcvgGcgC9ut3piTgVc0ONfB7w6qIcMe4piyZCNTw vkWA== X-Gm-Message-State: APjAAAVrXFMPVF2ryQBMbt0iaVL7316p5v7HIX48vga3PxMmPPmdWQk+ T//1INLUzF6V8NmPj+8tgqdIO+odQ5NK6uI+bwQ= X-Google-Smtp-Source: APXvYqwLxRaEyV3jwYdLDHu21TDE2JoYFeQudgfpqPsVtLg1JHeGtIi431wOJ0Z8XJYxLgSzUWQB3rh7Kr+aDHb0gag= X-Received: by 2002:ae9:e10e:: with SMTP id g14mr27537827qkm.430.1580785896457; Mon, 03 Feb 2020 19:11:36 -0800 (PST) MIME-Version: 1.0 References: <871rrevfmz.fsf@nanos.tec.linutronix.de> In-Reply-To: <871rrevfmz.fsf@nanos.tec.linutronix.de> From: Weiping Zhang Date: Tue, 4 Feb 2020 11:11:25 +0800 Message-ID: Subject: Re: [PATCH v4 4/5] genirq/affinity: allow driver's discontigous affinity set To: Thomas Gleixner X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200203_191138_065276_04D0DDDC X-CRM114-Status: GOOD ( 14.12 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jens Axboe , linux-block@vger.kernel.org, Bart Van Assche , Weiping Zhang , linux-nvme@lists.infradead.org, keith.busch@intel.com, Minwoo Im , cgroups@vger.kernel.org, Tejun Heo , "Nadolski, Edmund" , Christoph Hellwig Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org VGhvbWFzIEdsZWl4bmVyIDx0Z2x4QGxpbnV0cm9uaXguZGU+IOS6jjIwMjDlubQy5pyIMeaXpeWR qOWFrSDkuIvljYg1OjE55YaZ6YGT77yaCj4KPiBXZWlwaW5nIFpoYW5nIDx6aGFuZ3dlaXBpbmdA ZGlkaWdsb2JhbC5jb20+IHdyaXRlczoKPgo+ID4gbnZtZSBkcml2ZXIgd2lsbCBhZGQgNCBzZXRz IGZvciBzdXBwb3J0aW5nIE5WTWUgd2VpZ2h0ZWQgcm91bmQgcm9iaW4sCj4gPiBhbmQgc29tZSBv ZiB0aGVzZSBzZXRzIG1heSBiZSBlbXB0eShkZXBlbmRzIG9uIHVzZXIgY29uZmlndXJhdGlvbiks Cj4gPiBzbyBlYWNoIHBhcnRpY3VsYXIgc2V0IGlzIGFzc2lnbmVkIG9uZSBzdGF0aWMgaW5kZXgg Zm9yIGF2b2lkaW5nIHRoZQo+ID4gbWFuYWdlbWVudCB0cm91YmxlLCB0aGVuIHRoZSBlbXB0eSBz ZXQgd2lsbCBiZSBiZWVuIGJ5Cj4gPiBpcnFfY3JlYXRlX2FmZmluaXR5X21hc2tzKCkuCj4KPiBX aGF0J3MgdGhlIHBvaW50IG9mIGFuIGVtcHR5IGludGVycnVwdCBzZXQgaW4gdGhlIGZpcnN0IHBs YWNlPyBUaGlzIGRvZXMKPiBub3QgbWFrZSBzZW5zZSBhbmQgc21lbGxzIGxpa2UgYSByZWFsbHkg YmFkIGhhY2suCj4KPiBDYW4geW91IHBsZWFzZSBleHBsYWluIGluIGRldGFpbCB3aHkgdGhpcyBp cyByZXF1aXJlZCBhbmQgd2h5IGl0Cj4gYWN0dWFsbHkgbWFrZXMgc2Vuc2U/Cj4KSGkgVGhvbWFz LApTb3JyeSB0byBsYXRlIHJlcGx5LCBJIHdpbGwgcG9zdCBuZXcgcGF0Y2ggdG8gYXZvaWQgY3Jl YXRpbmcgZW1wdHkgc2V0cy4KSW4gdGhpcyB2ZXJzaW9uLCBudm1lIGFkZCBleHRyYSA0IHNldHMs IGJlY2F1c2UgbnZtZSB3aWxsIHNwbGl0IGl0cwppbyBxdWV1ZXMgaW50byA3IHBhcnRzIChwb2xs LCBkZWZhdWx0LCByZWFkLCB3cnJfbG93LCB3cnJfbWVkaXVtLAp3cnJfaGlnaCwgd3JyX3VyZ2Vu dCksCnRoZSBwb2xsIHF1ZXVlcyBkb2VzIG5vdCB1c2UgaXJxLCBzbyBudm1lIHdpbGwgaGFzIGF0 IG1vc3QgNiBpcnEgc2V0cy4KQW5kIG52bWUgZHJpdmVyIHVzZQp0d28gdmFyaWFibGVzKGRldi0+ aW9fcXVldWVzW2luZGV4XSBhbmQgYWZmZC0+c2V0X3NpemVbaW5kZXhdKSB0bwp0cmFjayBob3cg bWFueSBxdWV1ZXMvaXJxcwppbiBlYWNoIHBhcnQuIEFuZCB0aGUgdXNlciBtYXkgc2V0IHNvbWUg cXVldWVzIGNvdW50IHRvIDAsIGZvciBleGFtcGxlOgpudm1lIHVzZSA5NiBpbyBxdWV1ZXMuCgpk ZWZhdWx0CmRldi0+aW9fcXVldWVzWzBdPTkwCmFmZmQtPnNldF9zaXplWzBdID0gOTAKCnJlYWQK ZGV2LT5pb19xdWV1ZXNbMV09MAphZmZkLT5zZXRfc2l6ZVsxXSA9IDAKCndyciBsb3cKZGV2LT5p b19xdWV1ZXNbMl09MAphZmZkLT5zZXRfc2l6ZVsyXSA9IDAKCndyciBtZWRpdW0KZGV2LT5pb19x dWV1ZXNbM109MAphZmZkLT5zZXRfc2l6ZVszXSA9IDAKCndyciBoaWdoCmRldi0+aW9fcXVldWVz WzRdPTYKYWZmZC0+c2V0X3NpemVbNF0gPSA2Cgp3cnIgdXJnZW50CmRldi0+aW9fcXVldWVzWzVd PTAKYWZmZC0+c2V0X3NpemVbNV0gPSAwCgpJbiB0aGlzIGNhc2UgdGhlIGluZGV4IGZyb20gMSB0 byAzIHdpbGwgaGFzIDAgaXJxcy4KCkJ1dCBhY3R1YWxseSwgaXQncyBubyBuZWVkIHRvIHVzZSBm aXhlZCBpbmRleCBmb3IgaW9fcXVldWVzIGFuZCBzZXRfc2l6ZSwKbnZtZSBqdXN0IHRlbGxzIGly cSBlbmdpbmUsIGhvdyBtYW55IGlycV9zZXRzIGl0IGhhcywgYW5kIGhvdyBtYXkgaXJxcwppbiBl YWNoIHNldCwKc28gaSB3aWxsIHBvc3QgVjUgdG8gc29sdmUgdGhpcyBwcm9ibGVtLgogICAgICAg IG5yX3NldHMgPSAxOwogICAgICAgIGRldi0+aW9fcXVldWVzW0hDVFhfVFlQRV9ERUZBVUxUXSA9 IG5yX2RlZmF1bHQ7CiAgICAgICAgYWZmZC0+c2V0X3NpemVbbnJfc2V0cyAtIDFdID0gbnJfZGVm YXVsdDsKICAgICAgICBkZXYtPmlvX3F1ZXVlc1tIQ1RYX1RZUEVfUkVBRF0gPSBucl9yZWFkOwog ICAgICAgIGlmIChucl9yZWFkKSB7CiAgICAgICAgICAgICAgICBucl9zZXRzKys7CiAgICAgICAg ICAgICAgICBhZmZkLT5zZXRfc2l6ZVtucl9zZXRzIC0gMV0gPSBucl9yZWFkOwogICAgICAgIH0K ICAgICAgICBkZXYtPmlvX3F1ZXVlc1tIQ1RYX1RZUEVfV1JSX0xPV10gPSBucl93cnJfbG93Owog ICAgICAgIGlmIChucl93cnJfbG93KSB7CiAgICAgICAgICAgICAgICBucl9zZXRzKys7CiAgICAg ICAgICAgICAgICBhZmZkLT5zZXRfc2l6ZVtucl9zZXRzIC0gMV0gPSBucl93cnJfbG93OwogICAg ICAgIH0KICAgICAgICBkZXYtPmlvX3F1ZXVlc1tIQ1RYX1RZUEVfV1JSX01FRElVTV0gPSBucl93 cnJfbWVkaXVtOwogICAgICAgIGlmIChucl93cnJfbWVkaXVtKSB7CiAgICAgICAgICAgICAgICBu cl9zZXRzKys7CiAgICAgICAgICAgICAgICBhZmZkLT5zZXRfc2l6ZVtucl9zZXRzIC0gMV0gPSBu cl93cnJfbWVkaXVtOwogICAgICAgIH0KICAgICAgICBkZXYtPmlvX3F1ZXVlc1tIQ1RYX1RZUEVf V1JSX0hJR0hdID0gbnJfd3JyX2hpZ2g7CiAgICAgICAgaWYgKG5yX3dycl9oaWdoKSB7CiAgICAg ICAgICAgICAgICBucl9zZXRzKys7CiAgICAgICAgICAgICAgICBhZmZkLT5zZXRfc2l6ZVtucl9z ZXRzIC0gMV0gPSBucl93cnJfaGlnaDsKICAgICAgICB9CiAgICAgICAgZGV2LT5pb19xdWV1ZXNb SENUWF9UWVBFX1dSUl9VUkdFTlRdID0gbnJfd3JyX3VyZ2VudDsKICAgICAgICBpZiAobnJfd3Jy X3VyZ2VudCkgewogICAgICAgICAgICAgICAgbnJfc2V0cysrOwogICAgICAgICAgICAgICAgYWZm ZC0+c2V0X3NpemVbbnJfc2V0cyAtIDFdID0gbnJfd3JyX3VyZ2VudDsKICAgICAgICB9CiAgICAg ICAgYWZmZC0+bnJfc2V0cyA9IG5yX3NldHM7CgpUaGFua3MKV2VpcGluZwoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtbnZtZSBtYWlsaW5nIGxp c3QKbGludXgtbnZtZUBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQu b3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtbnZtZQo=