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 97AB11DC198; Wed, 5 Aug 2026 00:44:34 +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=1785890675; cv=none; b=mexvy75F10Tz3pn68PII284/GYKs4q5LH+3L+cVnwwIYcxNV3ak9yn6gVVaLhpL0rlFB5kiDwF7ZrqhwsW7RhyGdoBRfY+ziJQk7q+EnE9HWWWEwzjUf/ibXAA+zx+GSAIjEC5FWl3rruapcRmGHt62NMS7PoER5iZP2BwRvPU4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785890675; c=relaxed/simple; bh=Usd4JS3ZD23dseS6IIn6ZYpYj2dLMDHgbbFKWECqyB8=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=EhGCU6XO2IbX0nv9K4XXsSBaTF0esDNPifDPWRw6pRF6VQIpiVgI77OS/gIHpQp0r4utnxYhNSK76GpHIeDagMpRoQO2C4qKUtp5yRUM8v9LzJReRJU+n5sQvftYFohIDzouUXXFUh7uGWahKsldw5foX7c7K+FGFA8dlac6tyQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=I6BCuT7o; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="I6BCuT7o" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 667CB1F000E9; Wed, 5 Aug 2026 00:44:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785890674; bh=wFCTgjq/Or5ODBbk63bIcNg5rXXpjU6nYEFW2W/vpgM=; h=Date:From:To:cc:Subject:In-Reply-To:References; b=I6BCuT7oNHKdpzh8SNOspbcleBbAqGTe1saidqIrXWaZdnn1avMTLm1xQACJ3gxlE 53zyVvDbW4Ts5xLDPQJXAANNAAkKVMRcgwYF4rij4+sFW0oHVCWgucuK8KFoi+ZcCX Vx09j/Av84C04PfSnF1f4/4YlLtn4ooGL4ZFb02MTQ1enhzlbZ2GIPJkU7exwvOJ1C hHGfEA/tUV3MS4Bc3XBqKzfwiBrjdGr5RlT0SvLwe2EsI0R1EaPP8m2jWEw8mbJXRU T3cGf/OZvQRK6uK01NUECxV3CqoDG1I8Q7ltnBoLVDPUggjAyGbf7Eua7nqP6u02aq hoZZOhobHuyHQ== Date: Tue, 4 Aug 2026 18:44:31 -0600 (MDT) From: Paul Walmsley To: Atish Patra cc: Jiri Olsa , Paul Walmsley , Mark Rutland , Rob Herring , Anup Patel , Namhyung Kim , Arnaldo Carvalho de Melo , Krzysztof Kozlowski , Ian Rogers , Will Deacon , James Clark , linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-perf-users@vger.kernel.org, Conor Dooley Subject: Re: [PATCH v8 06/22] RISC-V: Add Smcntrpmf extension parsing In-Reply-To: <20260701-counter_delegation-v8-6-7909f863a645@meta.com> Message-ID: References: <20260701-counter_delegation-v8-0-7909f863a645@meta.com> <20260701-counter_delegation-v8-6-7909f863a645@meta.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="8323329-408665861-1785890674=:1383527" This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --8323329-408665861-1785890674=:1383527 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT On Wed, 1 Jul 2026, Atish Patra wrote: > From: Atish Patra > > Smcntrpmf extension allows M-mode to enable privilege mode filtering > for cycle/instret counters. However, the cyclecfg/instretcfg CSRs are > available in Ssccfg only if Smcntrpmf is present. > > That's why, kernel needs to detect presence of Smcntrpmf extension and > enable privilege mode filtering for cycle/instret counters. > > Reviewed-by: Clément Léger > Signed-off-by: Atish Patra Thanks, queued for v7.3. - Paul --8323329-408665861-1785890674=:1383527--