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=-2.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 3D728ECE58E for ; Thu, 17 Oct 2019 15:37:00 +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 0DCB22089C for ; Thu, 17 Oct 2019 15:37:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="tMfo9faV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0DCB22089C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=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:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=cqerZZVvI4Q26N6cSr3KEUfeReuzGzFGusc0WzNk3as=; b=tMfo9faVJ+3zQb kWIjhEEzqqVVvdkLXoiFB94ZgXBAdy4Hdhve4XLEZGzVygUGXjZRMdCkzAeR6AwysrqXZQlAYWkjT /G5SqZz7txGJEO6cZGd5hEyexViYEGvaC+NsFy8vnO92GZiHc7BtqbA6SfXO4BxvXMZ9o0r+Qth8u INd/LSY9Pg8XzUrdbOUzLxZScNySCgReE1jGsxsPeMAFehmcrucvJkO2Bwf4J9rGb+6acswvf8Ia3 M1Q8PS9+sRmKJX7i3UssyuFEpo+E/+s/VYtYu4oPrRFOcjGtfh97zxDc+DeCsdADiCXpJgKsc+Ew0 Bf53VoBXOVD60CHUphPg==; 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 1iL7pj-0002pK-5T; Thu, 17 Oct 2019 15:36:59 +0000 Received: from mx1.redhat.com ([209.132.183.28]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iL7pg-0002ok-AS for linux-arm-kernel@lists.infradead.org; Thu, 17 Oct 2019 15:36:57 +0000 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 57D1D806CE; Thu, 17 Oct 2019 15:36:55 +0000 (UTC) Received: from llong.remote.csb (ovpn-123-81.rdu2.redhat.com [10.10.123.81]) by smtp.corp.redhat.com (Postfix) with ESMTP id 64F2119C77; Thu, 17 Oct 2019 15:36:54 +0000 (UTC) Subject: Re: [RFC PATCH 0/6 v2] Queued spinlocks/RW-locks for ARM To: Sebastian Andrzej Siewior , Will Deacon References: <20191013221310.30748-1-sebastian@breakpoint.cc> <20191016155755.66ges3ybn3awx45l@willie-the-truck> <20191016220927.54ptu5etl3la3pdb@flow> From: Waiman Long Organization: Red Hat Message-ID: <5b4ccf6f-d3c9-c8a5-a2e2-47a6b6078dc2@redhat.com> Date: Thu, 17 Oct 2019 11:36:53 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <20191016220927.54ptu5etl3la3pdb@flow> Content-Language: en-US X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 17 Oct 2019 15:36:55 +0000 (UTC) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191017_083656_383894_BE56049B X-CRM114-Status: GOOD ( 17.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Zijlstra , Ingo Molnar , Arnd Bergmann , linux-arm-kernel@lists.infradead.org, Russell King Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gMTAvMTYvMTkgNjowOSBQTSwgU2ViYXN0aWFuIEFuZHJ6ZWogU2lld2lvciB3cm90ZToKPiBP biAyMDE5LTEwLTE2IDE2OjU3OjU2IFsrMDEwMF0sIFdpbGwgRGVhY29uIHdyb3RlOgo+PiBIaSBT ZWJhc3RpYW4sCj4gSGkgV2lsbCwKPgo+PiBUbyBiZSBob25lc3Qgd2l0aCB5b3UsIEknbSBzdXJw cmlzZWQgdGhhdCBxc3BpbmxvY2sgaXMgd29ydGggaXQgZm9yIDMyLWJpdAo+PiBBcm0uIHFyd2xv Y2sgbWFrZXMgc2Vuc2UgYmVjYXVzZSBvZiBmYWlybmVzcyBhbmQgc3RhcnZhdGlvbiBpc3N1ZXMs IGJ1dCBpbgo+PiBteSBiZW5jaG1hcmtzIG9uIGFybTY0IHRpY2tldHMgdGVuZGVkIHRvIHBlcmZv cm0gYXQgbGVhc3QgYXMgd2VsbCBmb3Igc21hbGwKPj4gY29yZSBjb3VudHMsIGFuZCBJIHRoaW5r IHRoYXQncyBsYXJnZWx5IGdvaW5nIHRvIGJlIHRydWUgZm9yIHN5c3RlbXMKPj4gcnVubmluZyBh IDMyLWJpdCBrZXJuZWwuCj4gV2FpbWFuIGhhZCBudW1iZXJzIG9uIHg4NiBvbiBob3cgZ29vZCB0 aGlzIHEtbG9jayB0aGluZ3kgaXMgYW5kIHg4Ngo+IG1vdmVkIHRvIHRoaXMuIEFSTTY0IGRpZG4n dCBzdGF0ZSBhIHJlYXNvbiBpbiBwYXJ0aWN1bGFyIG9ubHkgc2F5aW5nCj4gIml0IHNlcnZlZCB1 cyB3ZWxsIGJ1dCB3ZSBkbyBxLWxvY2tzIG5vdyIgKHRoaXMgaXMgaG93IEkgcmVtZW1iZXIgaXQK PiBhZnRlciBJIHdlbnQgb3ZlciB0aGUgZ2l0IGxvZ3Mgc29tZSB0aW1lIGFnbykuCj4gTm90IGtu b3dpbmcgYW55dGhpbmcgYWJvdXQgcXNwaW4gdnMgdGlja2V0IGxvY2tpbmcgSSBsb29rZWQgb24g aG93IGhhcmQKPiB3aWxsIGJlIHRvIHN3aXRjaC4gVGhlbiBJIGxvb2tlZCB3aXRoIGhhY2tiZW5j aCBhdCBpdCB0byBzZWUgaWYgaXQgd2FzCj4gd29ydGggaXQgYW5kIGl0IGRpZG4ndCBsb29rIHRo YXQgYmFkLiBQbHVzIHRoZSBkaWZmc3RhdCB3YXMgbmVnYXRpdmUgc2/igKYKCkkgaGFkIHNlZW4g bWljcm9iZW5jaG1hcmtzIGxpa2UgZmlvIHRoYXQgb24gMi1zb2NrZXQgYXJtNjQgc3lzdGVtcyAo d2l0aAo+IDEwMCBsb2dpY2FsIENQVXMpLCB5b3UgY2FuIGdldCA0LTVYIHBlcmZvcm1hbmNlIG91 dCBvZiBxc3BpbmxvY2sgd2hlbgpjb21wYXJlZCB3aXRoIHRpY2tldCBsb2NrLiBJdCB3YXMgbW9y ZSB0aGFuIEkgdXN1YWxseSBzYXcgb24geDg2LTY0CnN5c3RlbS4gTXkgY29uY2x1c2lvbiBpcyB0 aGF0IGFybTY0IHN5c3RlbXMgYXJlIHByb2JhYmx5IG1vcmUKc3VzY2VwdGlibGUgdG8gdGhlIGls bCBlZmZlY3Qgb2YgY2FjaGVsaW5lIGNvbnRlbnRpb24gdGhhbiB4ODYtNjQKc3lzdGVtcy4gU28g aXQgaXMgY2VydGFpbmx5IGEgd2luIGZvciBhcm02NC4KCkNoZWVycywKTG9uZ21hbgoKCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2Vy bmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0 cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVs Cg==