From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D48AC330301; Fri, 3 Jul 2026 05:41:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783057280; cv=none; b=PHERi1ZdlmuE5eGraiCcQKafu9kVi+4C5Y/VQQxV4IjgMcznPBWYQKczboStDrKQIgldmDHdJt/8j1QTYyi/gEN4BZHnNxz8VeWjVZe4dmNu97u1wmHrDadp05HFQHMghi70cpRjgGeXzEeUryougFvGd+OxrP40QhztxhDPJKk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783057280; c=relaxed/simple; bh=SAusHHRBW1hkD4b3dBmjaQiaHUKiEJMrPz8gQkykIgk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gZNBNFA9GR3+oExDbbwPpK0u9Hr1I19ws5GKFxwAYClrCbqjX5TQZyA4wrXZDQWIKAk2krWMsMcj9GAHx5h4nG45EmZoYG6Lj/gjWqrJjpBHEKcHF7yxAH0P1h9RJmYfeM1lpsTdszWYKvoWm0SA8do2GaP4wMb/U7F1sjdCRUc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=yMg8Lfao; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="yMg8Lfao" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AED521F000E9; Fri, 3 Jul 2026 05:41:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1783057279; bh=K1dUUsyk6rfusf74RsE3HlTSEHwrqILFgZJ4BkGvnSY=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=yMg8LfaoM0vwIGg0rhTmu7UjJzj0k1D95WoTIGuTVrjb0whhqRSu+Z3W8KBZdAnUA 7TnMDwftKw9iZXXuNUkG9lVE69FaHdqgJiY9xJV6EtT52erQgSyVBiNyikKbm8axLZ KDJ0N67mOfrvPlJk/8pMsBqYXZL/sCnkKMs/INy0= Date: Fri, 3 Jul 2026 07:41:29 +0200 From: Greg KH To: Zane Leung Cc: anup.patel@oss.qualcomm.com, adrian.hunter@intel.com, alex@ghiti.fr, alexander.shishkin@linux.intel.com, andrew.jones@oss.qualcomm.com, anup@brainfault.org, atish.patra@linux.dev, conor+dt@kernel.org, devicetree@vger.kernel.org, irogers@google.com, jolsa@kernel.org, krzk+dt@kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, mark.rutland@arm.com, mayuresh.chitale@oss.qualcomm.com, mchitale@gmail.com, mingo@redhat.com, namhyung@kernel.org, palmer@dabbelt.com, peterz@infradead.org, pjw@kernel.org, robh@kernel.org, sunilvl@oss.qualcomm.com Subject: Re: [PATCH v4 02/12] rvtrace: Initial implementation of driver framework Message-ID: <2026070316-surgery-unneeded-bceb@gregkh> References: <20260429125135.1983498-3-anup.patel@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Thu, Jul 02, 2026 at 04:19:53PM +0800, Zane Leung wrote: > Hi,  > > Based on the current framework, I am concerned about how to support RISC-V ATB and reuse the Coresight component (ETB/tmc/TPIU) in the future. That is very vague. Please provide specific examples.