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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id ED944ECAAD8 for ; Wed, 21 Sep 2022 16:51:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232082AbiIUQvS (ORCPT ); Wed, 21 Sep 2022 12:51:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55566 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230251AbiIUQub (ORCPT ); Wed, 21 Sep 2022 12:50:31 -0400 Received: from mail-pj1-x102c.google.com (mail-pj1-x102c.google.com [IPv6:2607:f8b0:4864:20::102c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A47B613E3D for ; Wed, 21 Sep 2022 09:46:27 -0700 (PDT) Received: by mail-pj1-x102c.google.com with SMTP id bu5-20020a17090aee4500b00202e9ca2182so4036196pjb.0 for ; Wed, 21 Sep 2022 09:46:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date; bh=qkaWQq/e8jMNSc3CfM1XzkMkXBpJAMD7KP0TF5sVgvo=; b=Kg/vmSISBltO9JSThpgIOntZuYMQg6jwvL42P3ElY0YzsYBHf6VpGH3Ey6jdLBU5Dj /vhxw5JtXE0eOGS0NNtPhIeJTAeCaUFp6C+ZIGqvGZTSU+dBc6nQHRDGvgKD8xNZmYMz UDGQjb/KQ+QZOcc/lv1XzxMFteghwrKAJGPwiqHyAbwERHpHe9dlSig6koAnfouQReiB J2KtlZjd8yeK34XsQ54n0rSchKidSCQrJa7bmB6DR92SkNDMPn6M7G8dqk6wTLpy7iTc qdcK4fs/b7Ul52Yrv3I229DBbHZNQsfeksEoFwqdJ2j5qfPV2bUhdHAaeo+lgB3dwM3M /Lhg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date; bh=qkaWQq/e8jMNSc3CfM1XzkMkXBpJAMD7KP0TF5sVgvo=; b=qKpScUVQKt1r8YL+Sd7F3+1xfY2ivlPQnWtv0g08JwnRxN5rgjIecnih10oAZ8mUne B7bkY1CwG6r/W6TmGxeTp25YHcSqIn3YCI3+TsMlD/LWtUqQ3f5HYc2DmiZSeN/TSG4/ 1SK0/1wSekyjM4FVZ9ONF64Wf6d8/8PUnEjWzL7Vptt/72zLdEXI4ewOd5lNCVo3Uv1h UHwf8cSxJrK5lR7URIdIRKS1ViY97HvIMcY50nbEtdytJaQrWJ8mzw1Fgd+qj7KypRy4 dGcOJ6Dx6A/HTdDg8ZwoRVwXhRqEkg0hLzkBA0XJOx1mYZ1XottDd+XdnoH53euTKJmm 4HQg== X-Gm-Message-State: ACrzQf2xC9nM+XDqgCTVqhoeG+L/DS0bbpd8FYhn76p2gqljZASlKwNK VedU+dlBg7nk7YHTxgCTNuy70w== X-Google-Smtp-Source: AMsMyM520JcZa8QuhYyGM8rmRgLlx/UzkQXp9ryFxU5lO5mllWpZFfL3rtuH4+ms04r29p/Pau+oWg== X-Received: by 2002:a17:90b:3903:b0:202:affa:1c9f with SMTP id ob3-20020a17090b390300b00202affa1c9fmr10689948pjb.27.1663778787032; Wed, 21 Sep 2022 09:46:27 -0700 (PDT) Received: from p14s (S0106889e681aac74.cg.shawcable.net. [68.147.0.187]) by smtp.gmail.com with ESMTPSA id v127-20020a622f85000000b0053818255880sm2368380pfv.193.2022.09.21.09.46.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Sep 2022 09:46:25 -0700 (PDT) Date: Wed, 21 Sep 2022 10:46:22 -0600 From: Mathieu Poirier To: Mark Brown Cc: James Clark , coresight@lists.linaro.org, catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, suzuki.poulose@arm.com, mike.leach@linaro.org, leo.yan@linaro.org, linux-kernel@vger.kernel.org, Will Deacon Subject: Re: [PATCH 1/1] arm64: defconfig: Add Coresight as module Message-ID: <20220921164622.GA1124503@p14s> References: <20220921140535.152627-1-james.clark@arm.com> <20220921140535.152627-2-james.clark@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 21, 2022 at 04:26:59PM +0100, Mark Brown wrote: > On Wed, Sep 21, 2022 at 03:05:35PM +0100, James Clark wrote: > > > +CONFIG_CORESIGHT_CTI=m > > +CONFIG_CORESIGHT_CTI_INTEGRATION_REGS=y > I agree - integration registers should not be enabled by default. > Do we want this turned on by default? According to the > description it's a bit dangerous and it's exposed via sysfs > rather than debugfs.