From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 2D73A255F52; Sat, 11 Apr 2026 01:38:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775871518; cv=none; b=s6tYgDMTbMpMhJVpthtLq8RlViWmIpu3Vrj+2va2RdbTlRo0WaryCj7mc+tA17/qmdC85ZbaSfbIUgyY+qRdaHNVIyf1CVfiSBhkjtIfyH6Eg4OX37N/z8/JzpnbuC4Uzsg9bBVzg3D5Bo1MePXr+WJYHW8+OXLnovaCi4IsEII= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775871518; c=relaxed/simple; bh=PEj9Q7l3Q+I2cu0wKuAmFE3doQ9Vwu+3owJxUeXmIyo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=QeG3wCRhrKFnZAxpKFJ1lhPRE+3OAixUHwykV0rTJD2K4YcN0ZYVpWNm9xum7C+l0FvPF1UBbO04h87HH8WeeuI9KP0PvqXIoY3zHA4YpL/wfWLTmoXtD9hpRy4AKnFOxicwGmfSkC6/JH/xPSzQbINPaTnlVunOtQJg2Cz0wWw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jHLVwyIh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jHLVwyIh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8D961C19421; Sat, 11 Apr 2026 01:38:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775871517; bh=PEj9Q7l3Q+I2cu0wKuAmFE3doQ9Vwu+3owJxUeXmIyo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=jHLVwyIhKCNKGtBR3YzUsLyMJMQTDSo0iU1iFRAzarY4ihN/IjbjJ3AYJ3cD3yLR9 67LlS3eNMhcHHk7NOZrVqgM+tk/XAWQg9V0Rpx32qYbhApGNWP/R3+KRmgbGB247PQ pEq8mP7InWWjy7Mvb3gpbtCenmiP29bc18uVXc02KcQK+JR+86Gmps6v3FPOWl3RiV yYOR+wzMX72poQHKH84HmS4vJ6WRv5f+50Cne/0iNDCqtFixvUPcho1zl2a9HQZZxt Ni+sDcNh7xzff+2/rlRYBaO+LG/IX82RpO6FHDAJUyQw6dPKK49qO00kSswYJaAWsQ 16MOvVP6kVurg== Date: Fri, 10 Apr 2026 18:38:35 -0700 From: Drew Fustini To: Anirudh Srinivasan Cc: Drew Fustini , Joel Stanley , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Michael Neuling Subject: Re: [PATCH] riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support Message-ID: References: <20260409-blackhole_pmu-v1-1-01a34bf46a1c@oss.tenstorrent.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260409-blackhole_pmu-v1-1-01a34bf46a1c@oss.tenstorrent.com> On Thu, Apr 09, 2026 at 09:49:59PM -0500, Anirudh Srinivasan wrote: > From: Michael Neuling > > Add a riscv,pmu device tree node with SBI PMU event mappings for the > SiFive X280 hardware performance counters. This enables OpenSBI to > expose the SBI PMU extension, allowing Linux perf to use the 4 > programmable counters (mhpmcounter3-6) across 3 event classes: > instruction commit, microarchitectural, and memory system events. > > Event encodings are derived from the SiFive Tenstorrent X280 MC Manual > (21G3.04.00) Table 13, section 3.10.5. > > Assisted-by: Claude:claude-opus-4-6[1m] > Signed-off-by: Michael Neuling > Signed-off-by: Anirudh Srinivasan > --- > Added a dependency of [1] to b4 so that checkpatch doesn't complain > about the Assisted-by tag > > [1] https://lore.kernel.org/all/20260311152039.254244-1-sashal@kernel.org/ > --- > arch/riscv/boot/dts/tenstorrent/blackhole.dtsi | 48 ++++++++++++++++++++++++++ > 1 file changed, 48 insertions(+) Reviewed-by: Drew Fustini If there are no objections, then I will apply it to tenstorrent-dt-for-next. Thanks, Drew