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[188.155.177.222]) by smtp.gmail.com with ESMTPSA id v17sm16079633wrp.36.2021.06.09.04.41.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 09 Jun 2021 04:41:48 -0700 (PDT) Subject: Re: [PATCH 2/2] clocksource/drivers/exynos_mct: Mark MCT device as CLOCK_EVT_FEAT_PERCPU To: Will Deacon , linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Marek Szyprowski , Krzysztof Kozlowski , Chanwoo Choi , Thomas Gleixner , Daniel Lezcano References: <20210608154341.10794-1-will@kernel.org> <20210608154341.10794-3-will@kernel.org> From: Krzysztof Kozlowski Message-ID: Date: Wed, 9 Jun 2021 13:41:46 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210608154341.10794-3-will@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/06/2021 17:43, Will Deacon wrote: > The "mct_tick" is a per-cpu clockevents device. Set the > CLOCK_EVT_FEAT_PERCPU feature to prevent e.g. mct_tick0 being unsafely > designated as the global broadcast timer and instead treat the device as > a per-cpu wakeup timer. > > Cc: Daniel Lezcano > Cc: Thomas Gleixner > Cc: Krzysztof Kozlowski > Signed-off-by: Will Deacon > --- > drivers/clocksource/exynos_mct.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) Acked-by: Krzysztof Kozlowski Best regards, Krzysztof 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=-15.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham 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 8B3D7C48BCD for ; Wed, 9 Jun 2021 11:47:48 +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 4E819613B1 for ; Wed, 9 Jun 2021 11:47:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4E819613B1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=canonical.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=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:Cc:To:Subject:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=zlo2zSufssJhFfwDlDfmduUMAcGAlZOi4vvIuauP4Lw=; b=mVxGfjxCNYcvJaxuYPC/9eKkgn lIjp8V5O8cS+ppipRaVobSF9/8SzUxkcjp4ghT/QaeC/MrOw602loW5WklDL50Aag3jHyBFiX/3WR XnO4L+5fgJPaaarvKwUrNxq43+lWL7wGkWE5Ss/snOyLbdSrv3621wf7EFMZC5hZa5X+ragAbXA34 HiHO1KuAaN2yLfoHb8c3qXZnk20HgHxUeLuBUwv7gAtq+S9nRrjhntC7zlZOS0ewCNaKBWqMfRAR6 W7AsvUCUGeezs7tYoYWkORKWaqq9BEpRLRHqZsvr+o4REGNNYEvJw9LgRyCBfkAu1G7v458XvY7Ca pJradtCA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqwe8-00DPoi-8Q; Wed, 09 Jun 2021 11:45:21 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqwak-00DOqQ-EY for linux-arm-kernel@lists.infradead.org; Wed, 09 Jun 2021 11:41:52 +0000 Received: from mail-wm1-f72.google.com ([209.85.128.72]) by youngberry.canonical.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.93) (envelope-from ) id 1lqwai-0005iu-Oq for linux-arm-kernel@lists.infradead.org; Wed, 09 Jun 2021 11:41:48 +0000 Received: by mail-wm1-f72.google.com with SMTP id j6-20020a05600c1906b029019e9c982271so2514794wmq.0 for ; Wed, 09 Jun 2021 04:41:48 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=hDauiLgbuiDsYYxQ82NvgthP7BUgotDarOmEF1J7zsw=; b=OzqFrNwIH3eFrucYz/Pl6X5tAKTRaP1IvRdjsWidwGqpKuZeRPzBMOnP9nBZn6/oNO /Z30KyD8QZ1AcGSqK8RGX8nncSzrHqRj13UWAFcNX0jh+TJsgQlgy4EpP/NlDnA3hskG wT7RR1tTncSSLF6x3V2Sqi8CHyCZM/DE51aSeJHOUtP7sFhLLFLaPi6VGrJpxSqr1skL KJzbG/f8X5lpJoTsZ7nH9eWfQbMn2VEtx/bsgXBI/sC5W6WLFyI4kcQKksIX9EiCOre0 S+UwOGR/cU4cRKLR5wbKvPcgO3nDglR9L3CFHH/TyuwMHEj0mOEr+31/1mLheCEcgMf7 xEfg== X-Gm-Message-State: AOAM532wcokXgvgzZorv+8zwUtCw5YTm5tgiZ4xPutwra8x7DKyHyAQA 65GHK+a1TSZYGKsvQM0g/r/Y46HYwOdcxtrpbCVQs2Byx5bHZTqk5Q87+Kb0xy4diBbv7hckqtW +705BeFWpYt2B9XwAbQ6Bx1KedxukXR89lwu4FG5lI+WCoN8MTsmz X-Received: by 2002:a05:600c:4f94:: with SMTP id n20mr9308869wmq.121.1623238908582; Wed, 09 Jun 2021 04:41:48 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwwt9/KX8QUiC+PEqz/sKCRPfhT68J79pjyItQDgV3mWuBPUCfspNQ5CPsB+IQq95TQYwejhQ== X-Received: by 2002:a05:600c:4f94:: with SMTP id n20mr9308856wmq.121.1623238908465; Wed, 09 Jun 2021 04:41:48 -0700 (PDT) Received: from [192.168.1.115] (xdsl-188-155-177-222.adslplus.ch. [188.155.177.222]) by smtp.gmail.com with ESMTPSA id v17sm16079633wrp.36.2021.06.09.04.41.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 09 Jun 2021 04:41:48 -0700 (PDT) Subject: Re: [PATCH 2/2] clocksource/drivers/exynos_mct: Mark MCT device as CLOCK_EVT_FEAT_PERCPU To: Will Deacon , linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Marek Szyprowski , Krzysztof Kozlowski , Chanwoo Choi , Thomas Gleixner , Daniel Lezcano References: <20210608154341.10794-1-will@kernel.org> <20210608154341.10794-3-will@kernel.org> From: Krzysztof Kozlowski Message-ID: Date: Wed, 9 Jun 2021 13:41:46 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210608154341.10794-3-will@kernel.org> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210609_044150_627781_B2C9C678 X-CRM114-Status: GOOD ( 14.25 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 08/06/2021 17:43, Will Deacon wrote: > The "mct_tick" is a per-cpu clockevents device. Set the > CLOCK_EVT_FEAT_PERCPU feature to prevent e.g. mct_tick0 being unsafely > designated as the global broadcast timer and instead treat the device as > a per-cpu wakeup timer. > > Cc: Daniel Lezcano > Cc: Thomas Gleixner > Cc: Krzysztof Kozlowski > Signed-off-by: Will Deacon > --- > drivers/clocksource/exynos_mct.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) Acked-by: Krzysztof Kozlowski Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel