Received: by 2002:ac0:a679:0:0:0:0:0 with SMTP id p54csp1128446imp; Thu, 21 Feb 2019 19:38:30 -0800 (PST) X-Google-Smtp-Source: AHgI3IZ39VoJ9N1ol1DQk+oAJxKRELF3mOR9tykL36sbeMmZFsElkTC+j23/Zm2Pt9DSmhXmB17+ X-Received: by 2002:a62:8384:: with SMTP id h126mr1965853pfe.243.1550806710190; Thu, 21 Feb 2019 19:38:30 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1550806710; cv=none; d=google.com; s=arc-20160816; b=oITbHKQdd9NDU4PtVPjE/b1yMoyLLlp4d5A4erMYLYRVqpj6ELme1gZ7HSYmVG/489 A1kMyg1r0eyVp6Plvz+4IZSr/lRSkD+G0IXw84pSb8YFXXAS43a2otNDo3BsqSqgfl79 91p3sDe2H6AjvFsUeNkr5wn77kWZHl7sCSEBYBjRo6dfPtWxWTQLlGqD8j6SJBCeiL2X GIgVkAhPEtEzBkSCAZbWAIEfOzfTyD1d/LmZFhqHwt5xGXKtEaC8HssBuZdGXjjIcalx bTVEzeOPj+7b/N9BduJiDXVVPak7Y3TswixpJ4Q4MXLH3IdhWaPT3zf7fjueGgT7hzBp 1wLA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-language :content-transfer-encoding:in-reply-to:mime-version:user-agent:date :message-id:organization:autocrypt:openpgp:from:references:cc:to :subject; bh=j/dddmYMK/Ht4zcYmCwj0U0GRW9Glf1AXRIPLkfedYI=; b=ojQ6bBC3699vBBwFoSX/cgZc60zgvLFM5JzuGozsf76CXFDH/fCQjvUacRSrzVpWFD c5K4Nzykr43rL/8x/btpGD4iVnArCpqhzhownujRoQZVXdk2X+QSvFs0F/1R9SXDCvPV AC/m+Z3OZnNIct7wL4dsZd9xPaK1Iibh/dlz3doNo2xnZjQXbIHL3VsGIr3e3H0r536k /dnRGy6NGnh4aBNbiI0+RdwWSvvCLz3jc1+d3gFQZG7UIRH5hDvpjYgb2HNwUSgAK7AM Kf+YFdpVE2VLTjeQMf2po8wqK/20TqYa37xJ+03tMKW3eIJlmr4laph2UD4PA1hRhwjf r5AA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id h3si325549pgc.354.2019.02.21.19.38.12; Thu, 21 Feb 2019 19:38:30 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726599AbfBVDhk (ORCPT + 99 others); Thu, 21 Feb 2019 22:37:40 -0500 Received: from mx1.redhat.com ([209.132.183.28]:43882 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726298AbfBVDhj (ORCPT ); Thu, 21 Feb 2019 22:37:39 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E545B30001EF; Fri, 22 Feb 2019 03:37:38 +0000 (UTC) Received: from llong.remote.csb (ovpn-125-186.rdu2.redhat.com [10.10.125.186]) by smtp.corp.redhat.com (Postfix) with ESMTP id DE6BA5C297; Fri, 22 Feb 2019 03:37:35 +0000 (UTC) Subject: Re: [PATCH-tip v2 02/10] locking/rwsem: Move owner setting code from rwsem.c to rwsem.h To: Will Deacon Cc: Peter Zijlstra , Ingo Molnar , Thomas Gleixner , linux-kernel@vger.kernel.org, x86@kernel.org, Arnd Bergmann , Borislav Petkov , "H. Peter Anvin" , Davidlohr Bueso , Linus Torvalds , Andrew Morton , Tim Chen References: <1550263810-31947-1-git-send-email-longman@redhat.com> <1550263810-31947-3-git-send-email-longman@redhat.com> <20190221141525.GF12696@fuggles.cambridge.arm.com> From: Waiman Long Openpgp: preference=signencrypt Autocrypt: addr=longman@redhat.com; prefer-encrypt=mutual; keydata= xsFNBFgsZGsBEAC3l/RVYISY3M0SznCZOv8aWc/bsAgif1H8h0WPDrHnwt1jfFTB26EzhRea XQKAJiZbjnTotxXq1JVaWxJcNJL7crruYeFdv7WUJqJzFgHnNM/upZuGsDIJHyqBHWK5X9ZO jRyfqV/i3Ll7VIZobcRLbTfEJgyLTAHn2Ipcpt8mRg2cck2sC9+RMi45Epweu7pKjfrF8JUY r71uif2ThpN8vGpn+FKbERFt4hW2dV/3awVckxxHXNrQYIB3I/G6mUdEZ9yrVrAfLw5M3fVU CRnC6fbroC6/ztD40lyTQWbCqGERVEwHFYYoxrcGa8AzMXN9CN7bleHmKZrGxDFWbg4877zX 0YaLRypme4K0ULbnNVRQcSZ9UalTvAzjpyWnlnXCLnFjzhV7qsjozloLTkZjyHimSc3yllH7 VvP/lGHnqUk7xDymgRHNNn0wWPuOpR97J/r7V1mSMZlni/FVTQTRu87aQRYu3nKhcNJ47TGY evz/U0ltaZEU41t7WGBnC7RlxYtdXziEn5fC8b1JfqiP0OJVQfdIMVIbEw1turVouTovUA39 Qqa6Pd1oYTw+Bdm1tkx7di73qB3x4pJoC8ZRfEmPqSpmu42sijWSBUgYJwsziTW2SBi4hRjU h/Tm0NuU1/R1bgv/EzoXjgOM4ZlSu6Pv7ICpELdWSrvkXJIuIwARAQABzR9Mb25nbWFuIExv bmcgPGxsb25nQHJlZGhhdC5jb20+wsF/BBMBAgApBQJYLGRrAhsjBQkJZgGABwsJCAcDAgEG FQgCCQoLBBYCAwECHgECF4AACgkQbjBXZE7vHeYwBA//ZYxi4I/4KVrqc6oodVfwPnOVxvyY oKZGPXZXAa3swtPGmRFc8kGyIMZpVTqGJYGD9ZDezxpWIkVQDnKM9zw/qGarUVKzElGHcuFN ddtwX64yxDhA+3Og8MTy8+8ZucM4oNsbM9Dx171bFnHjWSka8o6qhK5siBAf9WXcPNogUk4S fMNYKxexcUayv750GK5E8RouG0DrjtIMYVJwu+p3X1bRHHDoieVfE1i380YydPd7mXa7FrRl 7unTlrxUyJSiBc83HgKCdFC8+ggmRVisbs+1clMsK++ehz08dmGlbQD8Fv2VK5KR2+QXYLU0 rRQjXk/gJ8wcMasuUcywnj8dqqO3kIS1EfshrfR/xCNSREcv2fwHvfJjprpoE9tiL1qP7Jrq 4tUYazErOEQJcE8Qm3fioh40w8YrGGYEGNA4do/jaHXm1iB9rShXE2jnmy3ttdAh3M8W2OMK 4B/Rlr+Awr2NlVdvEF7iL70kO+aZeOu20Lq6mx4Kvq/WyjZg8g+vYGCExZ7sd8xpncBSl7b3 99AIyT55HaJjrs5F3Rl8dAklaDyzXviwcxs+gSYvRCr6AMzevmfWbAILN9i1ZkfbnqVdpaag QmWlmPuKzqKhJP+OMYSgYnpd/vu5FBbc+eXpuhydKqtUVOWjtp5hAERNnSpD87i1TilshFQm TFxHDzbOwU0EWCxkawEQALAcdzzKsZbcdSi1kgjfce9AMjyxkkZxcGc6Rhwvt78d66qIFK9D Y9wfcZBpuFY/AcKEqjTo4FZ5LCa7/dXNwOXOdB1Jfp54OFUqiYUJFymFKInHQYlmoES9EJEU yy+2ipzy5yGbLh3ZqAXyZCTmUKBU7oz/waN7ynEP0S0DqdWgJnpEiFjFN4/ovf9uveUnjzB6 lzd0BDckLU4dL7aqe2ROIHyG3zaBMuPo66pN3njEr7IcyAL6aK/IyRrwLXoxLMQW7YQmFPSw drATP3WO0x8UGaXlGMVcaeUBMJlqTyN4Swr2BbqBcEGAMPjFCm6MjAPv68h5hEoB9zvIg+fq M1/Gs4D8H8kUjOEOYtmVQ5RZQschPJle95BzNwE3Y48ZH5zewgU7ByVJKSgJ9HDhwX8Ryuia 79r86qZeFjXOUXZjjWdFDKl5vaiRbNWCpuSG1R1Tm8o/rd2NZ6l8LgcK9UcpWorrPknbE/pm MUeZ2d3ss5G5Vbb0bYVFRtYQiCCfHAQHO6uNtA9IztkuMpMRQDUiDoApHwYUY5Dqasu4ZDJk bZ8lC6qc2NXauOWMDw43z9He7k6LnYm/evcD+0+YebxNsorEiWDgIW8Q/E+h6RMS9kW3Rv1N qd2nFfiC8+p9I/KLcbV33tMhF1+dOgyiL4bcYeR351pnyXBPA66ldNWvABEBAAHCwWUEGAEC AA8FAlgsZGsCGwwFCQlmAYAACgkQbjBXZE7vHeYxSQ/+PnnPrOkKHDHQew8Pq9w2RAOO8gMg 9Ty4L54CsTf21Mqc6GXj6LN3WbQta7CVA0bKeq0+WnmsZ9jkTNh8lJp0/RnZkSUsDT9Tza9r GB0svZnBJMFJgSMfmwa3cBttCh+vqDV3ZIVSG54nPmGfUQMFPlDHccjWIvTvyY3a9SLeamaR jOGye8MQAlAD40fTWK2no6L1b8abGtziTkNh68zfu3wjQkXk4kA4zHroE61PpS3oMD4AyI9L 7A4Zv0Cvs2MhYQ4Qbbmafr+NOhzuunm5CoaRi+762+c508TqgRqH8W1htZCzab0pXHRfywtv 0P+BMT7vN2uMBdhr8c0b/hoGqBTenOmFt71tAyyGcPgI3f7DUxy+cv3GzenWjrvf3uFpxYx4 yFQkUcu06wa61nCdxXU/BWFItryAGGdh2fFXnIYP8NZfdA+zmpymJXDQeMsAEHS0BLTVQ3+M 7W5Ak8p9V+bFMtteBgoM23bskH6mgOAw6Cj/USW4cAJ8b++9zE0/4Bv4iaY5bcsL+h7TqQBH Lk1eByJeVooUa/mqa2UdVJalc8B9NrAnLiyRsg72Nurwzvknv7anSgIkL+doXDaG21DgCYTD wGA5uquIgb8p3/ENgYpDPrsZ72CxVC2NEJjJwwnRBStjJOGQX4lV1uhN1XsZjBbRHdKF2W9g weim8xU= Organization: Red Hat Message-ID: <5f58af2f-b333-d3c3-a1e6-099dddd91f89@redhat.com> Date: Thu, 21 Feb 2019 22:37:35 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20190221141525.GF12696@fuggles.cambridge.arm.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: base64 Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Fri, 22 Feb 2019 03:37:39 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gMDIvMjEvMjAxOSAwOToxNSBBTSwgV2lsbCBEZWFjb24gd3JvdGU6Cj4gSGkgV2FpbWFu LAo+Cj4gT24gRnJpLCBGZWIgMTUsIDIwMTkgYXQgMDM6NTA6MDJQTSAtMDUwMCwgV2FpbWFu IExvbmcgd3JvdGU6Cj4+IE1vdmVzIGFsbCB0aGUgb3duZXIgc2V0dGluZyBjb2RlIGNsb3Nl ciB0byB0aGUgcndzZW0teGFkZCBmYXN0IHBhdGhzCj4+IGRpcmVjdGx5IHdpdGhpbiByd3Nl bS5oIGZpbGUuCj4+Cj4+IEZvciBfX2Rvd25fcmVhZCgpIGFuZCBfX2Rvd25fcmVhZF9raWxs YWJsZSgpLCBpdCBpcyBhc3N1bWVkIHRoYXQKPj4gcndzZW0gd2lsbCBiZSBtYXJrZWQgYXMg cmVhZGVyLW93bmVkIHdoZW4gdGhlIGZ1bmN0aW9ucyByZXR1cm4uIFRoYXQKPj4gaXMgY3Vy cmVudGx5IHRydWUgZXhjZXB0IGluIHRoZSB0cmFuc2llbnQgY2FzZSB0aGF0IHRoZSB3YWl0 ZXIgcXVldWUKPj4ganVzdCBiZWNvbWVzIGVtcHR5LiBTbyBhIHJ3c2VtX3NldF9yZWFkZXJf b3duZWQoKSBjYWxsIGlzIGFkZGVkIGZvcgo+PiB0aGlzIGNhc2UuCj4gU29ycnksIGJ1dCBJ J20gaGF2aW5nIGEgcmVhbGx5IGhhcmQgdGltZSB1bmRlcnN0YW5kaW5nIHRoZSBwYXJhZ3Jh cGgKPiBhYm92ZS4gWW91IG1ha2UgaXQgc291bmQgbGlrZSB5b3UncmUgZml4aW5nIGEgYnVn IGhlcmUsIGJ1dCB0aGF0IGRvZXNuJ3QKPiBhcHBlYXIgdG8gYmUgdGhlIGNhc2UuIFBsZWFz ZSBjYW4geW91IGVsYWJvcmF0ZT8KClNvcnJ5IGZvciB0aGUgY29uZnVzaW9uLiBJIGFtIHJl ZmVycmluZyB0byB0aGUgY29kZQoKaWYgKGxpc3RfZW1wdHkoJnNlbS0+d2FpdF9saXN0KSkg ewrCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgLyoKwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqAgKiBJbiBjYXNlIHRoZSB3YWl0IHF1ZXVlIGlzIGVtcHR5IGFuZCB0 aGUgbG9jayBpc24ndCBvd25lZArCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCAq IGJ5IGEgd3JpdGVyLCB0aGlzIHJlYWRlciBjYW4gZXhpdCB0aGUgc2xvd3BhdGggYW5kIHJl dHVybgrCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCAqIGltbWVkaWF0ZWx5IGFz IGl0cyBSV1NFTV9BQ1RJVkVfUkVBRF9CSUFTIGhhcyBhbHJlYWR5CsKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgICogYmVlbiBzZXQgaW4gdGhlIGNvdW50LgrCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoCAqLwrCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqAgaWYgKGF0b21pY19sb25nX3JlYWQoJnNlbS0+Y291bnQpID49IDApIHsKwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCByYXdfc3Bpbl91bmxvY2tf aXJxKCZzZW0tPndhaXRfbG9jayk7CsKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqAgcmV0dXJuIHNlbTsKwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgIH0KwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGFkanVzdG1lbnQgKz0gUldT RU1fV0FJVElOR19CSUFTOwrCoMKgwqDCoMKgwqDCoCB9CgpIZXJlLCBhIHJlYWRlciB3aWxs IHJldHVybiB3aXRob3V0IGdvaW5nIHRocm91Z2ggdGhlIHdha2V1cCBwYXRoLiBJdCBpcwpo ZXJlIHRoYXQgSSBuZWVkIHRvIGluc2VydCBhbiBleHBsaWNpdCBvd25lciBzZXR0aW5nIGNh bGwuCgo+PiBUaGUgX19yd3NlbV9zZXRfcmVhZGVyX293bmVkKCkgY2FsbCBpbiBfX3J3c2Vt X21hcmtfd2FrZSgpCj4+IGlzIG5vdyBuZWNlc3NhcnkuCj4+Cj4+IFNpZ25lZC1vZmYtYnk6 IFdhaW1hbiBMb25nIDxsb25nbWFuQHJlZGhhdC5jb20+Cj4+IC0tLQo+PiAga2VybmVsL2xv Y2tpbmcvcndzZW0teGFkZC5jIHwgIDYgKysrLS0tCj4+ICBrZXJuZWwvbG9ja2luZy9yd3Nl bS5jICAgICAgfCAxOSArKy0tLS0tLS0tLS0tLS0tLS0tCj4+ICBrZXJuZWwvbG9ja2luZy9y d3NlbS5oICAgICAgfCAxNyArKysrKysrKysrKysrKystLQo+PiAgMyBmaWxlcyBjaGFuZ2Vk LCAyMCBpbnNlcnRpb25zKCspLCAyMiBkZWxldGlvbnMoLSkKPiBJIHBlcnNvbmFsbHkgZmlu ZCB0aGUgZXhpc3RpbmcgY29kZSBlYXNpZXIgdG8gcmVhZCwgYnV0IEkgZG9uJ3Qga25vdyBp Zgo+IHRoYXQncyBqdXN0IGJlY2F1c2UgSSdtIHVzZWQgdG8gaXQuLi4KClRoZSBjaGVjayBy ZWFzb24gZm9yIHRoaXMgcGF0Y2ggaXMgYmVjYXVzZSBJIHdhbnQgdG8gYWRkIGEgUldTRU1f REVCVUcKY2hlY2sgd2hlbiBhIHJlYWRlciByZXR1cm5zIGZyb20gdGhlIHNsb3dwYXRoIHRv IG1ha2Ugc3VyZSB0aGF0IHRoZQp3YWtldXAgcGF0aCBpcyBiZWluZyBjYWxsIGFuZCBiZWNh dXNlIG9mIHNvbWUga2luZCByYWNlIGNvbmRpdGlvbi4gVGhpcwpjaGVjayBtYXkgYmUgYWJs ZSB0byBzcG90IHRoZSB3YWtlX3EgcmFjZSBjb25kaXRpb24gdGhhdCB3YXMgZml4ZWQKZWFy bGllci4gSSB3aWxsIHVwZGF0ZSB0aGUgY29tbWl0IGxvZyB0byBtYWtlIG15IGludGVudGlv biBjbGVhcmVyLgoKQ2hlZXJzLApMb25nbWFuCgoK