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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 26483C433DB for ; Thu, 21 Jan 2021 13:03:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BFCA2239FF for ; Thu, 21 Jan 2021 13:03:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729589AbhAUNDG (ORCPT ); Thu, 21 Jan 2021 08:03:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33492 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729663AbhAUNCp (ORCPT ); Thu, 21 Jan 2021 08:02:45 -0500 X-Greylist: delayed 1689 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Thu, 21 Jan 2021 05:02:04 PST Received: from mail.marcansoft.com (marcansoft.com [IPv6:2a01:298:fe:f::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B3A40C061575 for ; Thu, 21 Jan 2021 05:02:04 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: marcan@marcan.st) by mail.marcansoft.com (Postfix) with ESMTPSA id 9052641F12; Thu, 21 Jan 2021 13:02:00 +0000 (UTC) Subject: Re: [RFC PATCH 7/7] irqchip/apple-aic: add SMP support to the Apple AIC driver. To: Arnd Bergmann , Mohamed Mediouni Cc: Linux ARM , Mark Rutland , Catalin Marinas , "linux-kernel@vger.kernel.org" , Marc Zyngier , Will Deacon , Stan Skowronek References: <20210120132717.395873-1-mohamed.mediouni@caramail.com> <20210120132717.395873-8-mohamed.mediouni@caramail.com> From: Hector Martin 'marcan' Message-ID: <4998cb40-8e9b-f08d-c093-304c0e6355b3@marcan.st> Date: Thu, 21 Jan 2021 22:01:58 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: es-ES Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 21/01/2021 22.00, Arnd Bergmann wrote: > Ok, makes sense. Does fast-ipi mean you cannot use the other mode at > all, or is it just faster as implied by the name? If so, how much faster? The other mode still works, as the AIC IPI registers are still there on M1 and work properly. I don't have performance numbers though. -- Hector Martin "marcan" (marcan@marcan.st) Public Key: https://mrcn.st/pub 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=-5.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,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 F1A0EC433DB for ; Thu, 21 Jan 2021 13:03:43 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 8EDF3239FD for ; Thu, 21 Jan 2021 13:03:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8EDF3239FD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=marcan.st Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+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=merlin.20170209; h=Sender:Content-Type: Content-Transfer-Encoding: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=qBhM/pSaZspsbT2N/Vz3pX4sbklTjp9E7GOt1aG5LmE=; b=TllpuYazF7LdUTyKCkFMh8w+q gwVNFCL9liraFVm2W+jsp4VS3bVI9pdKieOHt6Uioz6OBVsOFedz+apkcuPqgLKsCmFFDiqFcR389 W8eygNEvj4GlnXLIeUyBO/ThJafou2t3OREibDC/mNwNxcwhJmdc/pZhsnAMiM+Cc2T9HCkjCEFNX OEWoyyJU7C09QXc3fnPMQRrdbHZKlZTWzZ+7e+NQxy0eEAsCpy0pBfEBhGWqm3cXxS3y9jMI+MUNP zH09X9GENi2uNYLLu/WzjJtI9yHbABYL7eBG7a/JhzjAI96aJouqKxdPzJEhKupC59hSjGyMs4iVq wZG/d/3XQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l2ZbG-0004Iq-Dm; Thu, 21 Jan 2021 13:02:10 +0000 Received: from marcansoft.com ([212.63.210.85] helo=mail.marcansoft.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l2ZbD-0004HY-3k for linux-arm-kernel@lists.infradead.org; Thu, 21 Jan 2021 13:02:08 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: marcan@marcan.st) by mail.marcansoft.com (Postfix) with ESMTPSA id 9052641F12; Thu, 21 Jan 2021 13:02:00 +0000 (UTC) Subject: Re: [RFC PATCH 7/7] irqchip/apple-aic: add SMP support to the Apple AIC driver. To: Arnd Bergmann , Mohamed Mediouni References: <20210120132717.395873-1-mohamed.mediouni@caramail.com> <20210120132717.395873-8-mohamed.mediouni@caramail.com> From: Hector Martin 'marcan' Message-ID: <4998cb40-8e9b-f08d-c093-304c0e6355b3@marcan.st> Date: Thu, 21 Jan 2021 22:01:58 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: Content-Language: es-ES X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210121_080207_289057_7590C82E X-CRM114-Status: GOOD ( 11.47 ) 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: Mark Rutland , Catalin Marinas , "linux-kernel@vger.kernel.org" , Marc Zyngier , Will Deacon , Linux ARM , Stan Skowronek Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 21/01/2021 22.00, Arnd Bergmann wrote: > Ok, makes sense. Does fast-ipi mean you cannot use the other mode at > all, or is it just faster as implied by the name? If so, how much faster? The other mode still works, as the AIC IPI registers are still there on M1 and work properly. I don't have performance numbers though. -- Hector Martin "marcan" (marcan@marcan.st) Public Key: https://mrcn.st/pub _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel