Received: by 2002:a89:2c3:0:b0:1ed:23cc:44d1 with SMTP id d3csp743664lqs; Tue, 5 Mar 2024 15:31:24 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCU61j05jVYY8aY89n5LEvM8DDSSOfY5jK0pH3MzDrSR4+xB8oxlJPJ9Bn59VnppSEruZAhV2zl3gSWbt/NN9XevX9bW80PhBL8eoTecVg== X-Google-Smtp-Source: AGHT+IG/0mJm4hJqoglXpAEZNWcY4Ex6OvhVuYbvVrqcfnOeiIJEcUcy7G1GMgBogts5uPoJ+X/y X-Received: by 2002:a17:906:4f06:b0:a45:89f3:3947 with SMTP id t6-20020a1709064f0600b00a4589f33947mr3643417eju.74.1709681484129; Tue, 05 Mar 2024 15:31:24 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1709681484; cv=pass; d=google.com; s=arc-20160816; b=v6pHhPMr4sXhEp8QRf5Ks1821RzPc1u5IM7aDIzzNQr5amizE38R5xtxgS1JDzpnAC jBEJVOL6FWyrUmwno+xK/V0ENqPupBuyP7pfkbBYY8aMq+tGXhSjaq/3jlEPu7zXVATG 5ag57aL6//N6uH7+YpmG05RYUaQ8fMLiyS31vQo1tIzEroSSAncrEM4rhNAG9yJgVaEW U8UpawTxtnHADzKIq8BuXYeqgtKzl0utey5MagOy0+k5IgSYIql4u9wMT71Hw+Sp16og qQ1IxKC4uSjF4b0EcgZchN6f7xg5I7jHEUECrba5At1yYj6/oFlyVZb0LQBR/olo7FUU PsCQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:list-unsubscribe:list-subscribe:list-id:precedence :references:message-id:subject:cc:to:from:date:dkim-signature; bh=IeWN+y8hzDjoL2lW91XHHFhLxiQLLm1CjcAWiQRSBT0=; fh=WY96YZAF0813ecEccmxZb0iAaHl4cbDGfAM4Oc6gYzs=; b=ubxr4u5GJWEkTPXDCdNthXl1MV/KZjkXZ8YGy5JzuhexYAqC9vMu8PQorJMHLl0/0E ZulpX3o1M6u3tvEXZZqdAwmejWUaN3WTBxxgPt/qTddnDRpPB9cMfHu9YfQrRzj7UW+k d+TVuu28++6NTVkXW8mwb+Zz+lfJeaQcn+C5COUnRuRtBSFBOlpJ2WtX8iknID1hVElM L+z9A2/QTM65V02bYt65j4DEWmF+hHFlm/Xegt2KslKA4lhnHQlFsIclRJhvk8+0Bw7+ HoD7SiibgamCZGChfGNKMcYONLMwtyE5b94qRpdYfrcrc7M0+1Nn0HtK7/YiAZCaHo6+ OtNQ==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=YP1o164F; arc=pass (i=1 spf=pass spfdomain=rivosinc.com dkim=pass dkdomain=rivosinc-com.20230601.gappssmtp.com); spf=pass (google.com: domain of linux-kernel+bounces-93100-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-93100-linux.lists.archive=gmail.com@vger.kernel.org" Return-Path: Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [147.75.80.249]) by mx.google.com with ESMTPS id k16-20020a1709065fd000b00a442ff37168si5351766ejv.178.2024.03.05.15.31.24 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Mar 2024 15:31:24 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-93100-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249; Authentication-Results: mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=YP1o164F; arc=pass (i=1 spf=pass spfdomain=rivosinc.com dkim=pass dkdomain=rivosinc-com.20230601.gappssmtp.com); spf=pass (google.com: domain of linux-kernel+bounces-93100-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-93100-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id A5AFA1F21B2B for ; Tue, 5 Mar 2024 23:31:23 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 3958E12D21D; Tue, 5 Mar 2024 23:31:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=rivosinc-com.20230601.gappssmtp.com header.i=@rivosinc-com.20230601.gappssmtp.com header.b="YP1o164F" Received: from mail-pf1-f173.google.com (mail-pf1-f173.google.com [209.85.210.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8AB7D12D20E for ; Tue, 5 Mar 2024 23:31:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709681475; cv=none; b=VVh2OebKH75sVVkx6jNYXPoRgF+HGDw7shczHoJo0/jVWYdwwkpnzobyFAvSaKbeqpbOvaLLlJqk0P/4XDree/9IJut8PESnZrcxrWjy/PDe8xOlBlOVj8yDM0zq9qwoDerzgWaFi27oclbWAyLd6mUhwwhxRyJwr+ccMukguSI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709681475; c=relaxed/simple; bh=IGM6i6GgvShorJtiGgulwyEDo+6DhMvbktJqOF3PGls=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HxViWBOblh67Xbe8Q81m/VlWrP55eLHCl2fkTyj4rO6HTYkj9zDEE7RrtCaCpQ2t8tHz82u09Rg5EEMK9TERo+fPoY9XmldmEA/ExZfJLxfcHrJdDOWf1T+lWL7YIwE9edgBxdtjkBcIz8wbsWGyf2xgNbMhzFhOyPeg3OBr56Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rivosinc.com; spf=pass smtp.mailfrom=rivosinc.com; dkim=pass (2048-bit key) header.d=rivosinc-com.20230601.gappssmtp.com header.i=@rivosinc-com.20230601.gappssmtp.com header.b=YP1o164F; arc=none smtp.client-ip=209.85.210.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rivosinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rivosinc.com Received: by mail-pf1-f173.google.com with SMTP id d2e1a72fcca58-6e6092a84f4so2508209b3a.0 for ; Tue, 05 Mar 2024 15:31:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1709681473; x=1710286273; darn=vger.kernel.org; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date:from:to :cc:subject:date:message-id:reply-to; bh=IeWN+y8hzDjoL2lW91XHHFhLxiQLLm1CjcAWiQRSBT0=; b=YP1o164F2HcapLmpYFXpxtKGZV6kxJkqwh4SD7bkqG2qWJbNxoSrC7wU1QnDfsADX3 iYRZ+lufTjHyjNHfdaJ3EQyCcz6hjtNSnc4K5cmSPTDRvzEhwSE9MLFPxMISlGUrd7rk MNu4oMUVw177ctGxl43nBcnk+3QDjM2M5YMQYaS5xCIL2C/TzaUzHEwCR+QVyO9Gl4ZE hsZUJYtwRcITvMN6QehxASdqlerPj8+rt18wZ6yEL+RmDarxhDpU2c5zchtQ+Qu02YAR DvNMOcKtPFLgyW+80XHHWNIAp1sbNq6bXGr8FfJycNUbMzyLv6CZJVFVwCi2Gr/Jqm6n 7Jaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709681473; x=1710286273; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=IeWN+y8hzDjoL2lW91XHHFhLxiQLLm1CjcAWiQRSBT0=; b=cpk3E/MiAsj9WddaAzKF/3FIjJk31toq1SvFsoD3BRHgZyX4B/rwDnQtDsgc9ILK/A pJm1gNhkmyPLNVxlMTV+lDX9CC1u79PkQM6JGFYHizU8MnTNg51wUqLnR5aOFJlM5cfk 943YGugYG4qBmiu2Xj62960ylKe+hNpi0ikHEKV2q/DIhzBeiJ47C4iQYe544MB8AO2T 2561g3ixIwjWiNVlYV9zVr2kha3743w3o5ThvVGXEFBnNeOCfur8ypAxiaLVDt0NHDL2 n2f0blO28vdd5rrNfq6WdzVVqtS/U229et/Rx/uMgSP8Lloc6oMm6r0FmcXw0hG2++JY u8Dw== X-Forwarded-Encrypted: i=1; AJvYcCUutcqTBC/FS1YZj4flR97YB0ztFeqEDA+VUB3lJHGiryPRLXAc+gU0+1/guR3gw6bDnA/hBbrSh8dQwgEUY6Q99ZDEztVcFpCZrfc0 X-Gm-Message-State: AOJu0YzGKR60qX+R60LPnqBT7ErcHaefYiVjWOlKt/VKxdGbd2R31IsP IOMcGJK6I2lrpcqY6v9tB7VHoSHqw2JfxGHcaLx7ABdOYxffec4Z08wIayce9eA= X-Received: by 2002:a05:6a00:cc5:b0:6e1:482b:8c8e with SMTP id b5-20020a056a000cc500b006e1482b8c8emr14132097pfv.17.1709681472638; Tue, 05 Mar 2024 15:31:12 -0800 (PST) Received: from ghost ([50.213.54.97]) by smtp.gmail.com with ESMTPSA id m19-20020aa78a13000000b006e509762bc2sm9541617pfa.26.2024.03.05.15.31.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Mar 2024 15:31:12 -0800 (PST) Date: Tue, 5 Mar 2024 15:31:09 -0800 From: Charlie Jenkins To: Andrew Jones Cc: Christoph =?iso-8859-1?Q?M=FCllner?= , Andrea Parri , Heiko Stuebner , linux-riscv@lists.infradead.org, palmer@dabbelt.com, paul.walmsley@sifive.com, linux-kernel@vger.kernel.org, David.Laight@aculab.com, Conor Dooley Subject: Re: Re: Re: [PATCH v3 0/2] Add Zawrs support and use it for spinlocks Message-ID: References: <20230521114715.955823-1-heiko.stuebner@vrull.eu> <20240108-a56ba0dfd1779e4ab6893d16@orel> <20240108-2a146eb7def54f0ce0b0d930@orel> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20240108-2a146eb7def54f0ce0b0d930@orel> On Mon, Jan 08, 2024 at 03:10:12PM +0100, Andrew Jones wrote: > On Mon, Jan 08, 2024 at 03:00:29PM +0100, Christoph Müllner wrote: > > On Mon, Jan 8, 2024 at 12:35 PM Andrew Jones wrote: > > > > > > On Fri, Oct 20, 2023 at 12:19:38PM +0200, Andrea Parri wrote: > > > > (Removing Heiko's @vrull address from Cc:, since it seemed to bounce, keeping > > > > his @sntech address.) > > > > > > > > > I had a quick look at your changes, and they look good to me. > > > > > > > > Great. Thank you for looking them over. > > > > > > > > > Did you agree with Palmer about testing requirements? > > > > > I.e., do we need to run this on hardware that implements Zawrs in a > > > > > non-trivial way? > > > > > > > > I didn't quite discuss such specific requirements or hardware implementations, > > > > but I agree that's a valid concern. Not that I currently have access to such > > > > hardware; any further inputs/data will be appreciated. > > > > > > > > > I can try to raise the priority on this here, but can't promise anything. > > > > > For me it is also ok if you take over this patchset. > > > > > > > > Thanks. Either way works for me. No urgency from my side. I'd say - let us > > > > leave this up to the community/other reviewers. (IIUC, Palmer was recovering > > > > from a certain flu and might need more time than usual to get back here.) > > > > > > > > > > Hi everyone, > > > > > > I'm also interested in seeing this series resurrected and making progress > > > again. I'd be happy to help out in any way. It's not clear to me if it has > > > a current owner. If not, then I could start shepherding the patches with > > > their authorships intact. > > > > Sounds good to me! > > Thanks for working on this! > > Thanks for the quick replies! I'll try pull something together in the very > near future. > > drew I am interested in this as well, please copy me when you send out the patch Drew! - Charlie > > > > > > > > > I may be able to do some testing on an FPGA too. > > > > > > Thanks, > > > drew > > _______________________________________________ > linux-riscv mailing list > linux-riscv@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-riscv