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=-4.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 4387EC4320A for ; Mon, 26 Jul 2021 14:32:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0AB3A60525 for ; Mon, 26 Jul 2021 14:32:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234183AbhGZNwU (ORCPT ); Mon, 26 Jul 2021 09:52:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:49020 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233206AbhGZNwS (ORCPT ); Mon, 26 Jul 2021 09:52:18 -0400 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B01F460F44; Mon, 26 Jul 2021 14:32:47 +0000 (UTC) Received: from sofa.misterjones.org ([185.219.108.64] helo=why.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1m81ev-00144S-RT; Mon, 26 Jul 2021 15:32:45 +0100 Date: Mon, 26 Jul 2021 15:32:45 +0100 Message-ID: <87im0xdu2a.wl-maz@kernel.org> From: Marc Zyngier To: Anup Patel Cc: Palmer Dabbelt , Palmer Dabbelt , Paul Walmsley , Thomas Gleixner , Daniel Lezcano , Rob Herring , Atish Patra , Alistair Francis , linux-riscv , "linux-kernel@vger.kernel.org List" , DTML , Anup Patel Subject: Re: [RFC PATCH v2 00/11] Linux RISC-V ACLINT Support In-Reply-To: References: <20210618123851.1344518-1-anup.patel@wdc.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: anup@brainfault.org, palmer@dabbelt.com, palmerdabbelt@google.com, paul.walmsley@sifive.com, tglx@linutronix.de, daniel.lezcano@linaro.org, robh+dt@kernel.org, atish.patra@wdc.com, Alistair.Francis@wdc.com, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, anup.patel@wdc.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 26 Jul 2021 13:45:20 +0100, Anup Patel wrote: > > Hi Marc, > > I have taken the approach of IPI domains (like you suggested) in this series. > > What do you think ? I have commented on the irqchip driver. As for the RISC-V specific code, I'll let the architecture maintainers look into it. I guess the elephant in the room is that this spec seems to be evolving, and that there is no HW implementation (how this driver maps on SF's CLINT is anybody's guess). M. -- Without deviation from the norm, progress is not possible. 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=-4.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 24A40C4338F for ; Mon, 26 Jul 2021 14:33:09 +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 E25C260525 for ; Mon, 26 Jul 2021 14:33:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E25C260525 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Subject:Cc:To:From:Message-ID:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=fpaFlB50LJ7VzOkGpQ++G0MU9YzpFWuymI6CXdDKIPk=; b=5DJY53+9g5A+Wg 52DNyLwxmRbqPUJHr+rbsRC2yGXn7kVfVHHR1BjOXENL89r6qv9ppQXULLK9NM8ZTbQi7+05AsrRR 6sgQ5hMC5QRXzWekYxm2/ywWfFqC0HVJuy6R4yWrnPZ6mcj/CS8mBe4J0Awh30KZqP/oYfgaw3gV2 rV7W5kZG+0iH+gPx7Q4HxBN3wkeejwtwlJqZBmAFO/ix6cOkZHybp7y2QHcB7l4ucTiklACqpRHN9 Y1oQOByFcrHqU4EZkCBLCnD90K4lyzryZGt3HlDLjQ3dJ8iNum93zaJZstcvV/JfELWLlF7E9EPH/ d6ytdc3tn+Hae6e3v8+g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m81f0-00BWws-JL; Mon, 26 Jul 2021 14:32:50 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m81ey-00BWw3-1s for linux-riscv@lists.infradead.org; Mon, 26 Jul 2021 14:32:49 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B01F460F44; Mon, 26 Jul 2021 14:32:47 +0000 (UTC) Received: from sofa.misterjones.org ([185.219.108.64] helo=why.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1m81ev-00144S-RT; Mon, 26 Jul 2021 15:32:45 +0100 Date: Mon, 26 Jul 2021 15:32:45 +0100 Message-ID: <87im0xdu2a.wl-maz@kernel.org> From: Marc Zyngier To: Anup Patel Cc: Palmer Dabbelt , Palmer Dabbelt , Paul Walmsley , Thomas Gleixner , Daniel Lezcano , Rob Herring , Atish Patra , Alistair Francis , linux-riscv , "linux-kernel@vger.kernel.org List" , DTML , Anup Patel Subject: Re: [RFC PATCH v2 00/11] Linux RISC-V ACLINT Support In-Reply-To: References: <20210618123851.1344518-1-anup.patel@wdc.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: anup@brainfault.org, palmer@dabbelt.com, palmerdabbelt@google.com, paul.walmsley@sifive.com, tglx@linutronix.de, daniel.lezcano@linaro.org, robh+dt@kernel.org, atish.patra@wdc.com, Alistair.Francis@wdc.com, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, anup.patel@wdc.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210726_073248_151359_9525BD24 X-CRM114-Status: GOOD ( 16.14 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Mon, 26 Jul 2021 13:45:20 +0100, Anup Patel wrote: > > Hi Marc, > > I have taken the approach of IPI domains (like you suggested) in this series. > > What do you think ? I have commented on the irqchip driver. As for the RISC-V specific code, I'll let the architecture maintainers look into it. I guess the elephant in the room is that this spec seems to be evolving, and that there is no HW implementation (how this driver maps on SF's CLINT is anybody's guess). M. -- Without deviation from the norm, progress is not possible. _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv