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=-9.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 D5805C433E1 for ; Fri, 10 Jul 2020 20:00:25 +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 9C1732075D for ; Fri, 10 Jul 2020 20:00:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="oQPyUYV0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9C1732075D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com 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-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:In-reply-to:Subject:To: From:References:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=t22Sjjz9rtYRbgI2TD14cNXavVAXO278tGGnWyhtb54=; b=oQPyUYV0iRn4Q2cd7uoOvWSwY dYd+tRgf3ylwblo8eN5WUt1/PuNPH8JLCQ9CRGcffni6NKx2mv2EoE614kjEPW+R4qTP+j4ZG2LLb OFZmM2MATnzr6+NxvpvzspEzRt9Zd6JeP8e6L9HO45g4LiUEb78KiVhPjavAAyjuC2sTMODK3weD8 bgWlUVaclpXJSw8Hn9Z3uoC2jeKWZaMQXseO6EhLmnjuFJEQTeF4ABJrHpCGoUN5qrENpoo/T6u/0 cyRav9M4AdT81QjMBl+xJYdFj+WoJK6CEYDXbAFrCuquXqLMN7ROkG/aCFymIdGOtQP/D3hKNc+Dr iIrhURqMw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jtzAg-00008Q-7s; Fri, 10 Jul 2020 19:58:59 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jtzAd-00007t-Ju for linux-arm-kernel@lists.infradead.org; Fri, 10 Jul 2020 19:58:56 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 14B0631B; Fri, 10 Jul 2020 12:58:54 -0700 (PDT) Received: from e113632-lin (e113632-lin.cambridge.arm.com [10.1.194.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 668FC3F819; Fri, 10 Jul 2020 12:58:52 -0700 (PDT) References: <20200624195811.435857-1-maz@kernel.org> <20200624195811.435857-16-maz@kernel.org> User-agent: mu4e 0.9.17; emacs 26.3 From: Valentin Schneider To: Marc Zyngier Subject: Re: [PATCH v2 15/17] arm64: Remove custom IRQ stat accounting In-reply-to: <20200624195811.435857-16-maz@kernel.org> Date: Fri, 10 Jul 2020 20:58:50 +0100 Message-ID: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200710_155855_861617_C6DEAE66 X-CRM114-Status: GOOD ( 13.86 ) 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: Sumit Garg , Florian Fainelli , Russell King , Jason Cooper , kernel-team@android.com, Andrew Lunn , Catalin Marinas , Gregory Clement , linux-kernel@vger.kernel.org, Thomas Gleixner , Will Deacon , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 24/06/20 20:58, Marc Zyngier wrote: > Let's switch the arm64 code to the core accounting, which already > does everything we need. > > Signed-off-by: Marc Zyngier > --- > arch/arm64/include/asm/hardirq.h | 9 --------- > arch/arm64/kernel/smp.c | 24 ++++++------------------ > 2 files changed, 6 insertions(+), 27 deletions(-) > diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c > index ed8a8184e3b6..8b903ceef2be 100644 > --- a/arch/arm64/kernel/smp.c > +++ b/arch/arm64/kernel/smp.c > @@ -991,7 +979,7 @@ void __init set_smp_ipi_range(int ipi_base, int n) > int err; > > err = request_percpu_irq(ipi_base + i, ipi_handler, > - "IPI", &irq_stat); > + "IPI", &cpu_number); That pointer remains unused in ipi_handler(); I suppose it's just a matter of cosmetics? I see that we leave it as irq_stat in arm, I suppose simply because we don't have a cpu_number equivalent there and need *some* percpu variable for the request to happen. > WARN_ON(err); > > ipi_desc[i] = irq_to_desc(ipi_base + i); _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel