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 98F9E2DBF75; Fri, 11 Sep 2026 13:44:19 +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=1789134260; cv=none; b=PBKi6KRDsfOtM8rLWs22YiinCMWi/AqxjT3JffCDvusWRSVJXHRrG5RO4l785mas5NAhXATfN3oKN43VL/ILHt39RUK3l2NgbF158HR7424eLvPiUJ48JmeBJqQOLoANMUiSoG/CdWBnZaDROP03rrnA48vq1TqcKCZfABlybK8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789134260; c=relaxed/simple; bh=/588s+rJpOsY25pnPcf+owaXgmcnRBqpg/KNxrJjmWk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=HCFkXg26ezESx1PaZfZWGVOb0hFtQOTLv+297YwsMwWCU5VnUQAtvl45sVA5KHjuLF9uPfr91Y6RZ83beIFTfIjJq2JwtZ8UWQj+tqJ6Dbe0976Nvpbvsfbh4bNiSzua64WgrqSDzsIcbm1Sr+DflqOOkLC7P9ltGAg9u8tIjQo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gbNj34mI; 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="gbNj34mI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A0BF1F000FF; Fri, 11 Sep 2026 13:44:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789134259; bh=n9WC43RiWACipaJVVputek92HstgNSaNHPvk7+Q6kjg=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=gbNj34mIcxztxPJbOWUNJYdSbplYgK4TOEeBGAQ2dTOfuNB3piJzRpzmmEnRU/2iI aNqN6KCz11dEoEnchenQ02aCVf3pzWEndcS97bWSWagU4w67pdN5ow6rkEVa6LTVvO edYbUUbdJ5xfkOwADk2xEuabG6T3PKxVrXF3mQKX3qC8pEv4P/xhMPqkqiOhbGOHnm tVHpWzsCYAZrzP6k8AJpsWes/CuQtgiVp41bEKA3XSwPXAMZndEe223cL/NcZeMKSk Q7U/G4X7NKf9yRl/s+7ct7RBoB2qZNoUuxbui5To+DreHPC8w8hdeXXKZfFNe07gBg ftGOiGLJqN38A== From: Will Deacon To: robin.murphy@arm.com, Shouping Wang Cc: catalin.marinas@arm.com, mark.rutland@arm.com, kernel-team@android.com, Will Deacon , linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, peter.du@hj-micro.com, andy.xu@hj-micro.com Subject: Re: [PATCH v2] perf/arm-cmn: Fix wp_dev_sel2 setting for multi-DTM configurations Date: Fri, 11 Sep 2026 14:44:07 +0100 Message-ID: <178912838524.2439009.7355093627260324589.b4-ty@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260910114601.165237-1-allen.wang@hj-micro.com> References: <2fb3bda7-cd64-4dc0-99f8-c0fda8d42cf9@arm.com> <20260910114601.165237-1-allen.wang@hj-micro.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="utf-8" Content-Transfer-Encoding: 8bit On Thu, 10 Sep 2026 19:46:01 +0800, Shouping Wang wrote: > When MXP_MULTIPLE_DTM_EN is TRUE, each DTM will monitor at most > two device ports. In this case, {wp_dev_sel2, wp_dev_sel} will > only use values 2'b00 and 2'b01 per DTM. > > Previously the setting allowed values beyond the supported range > per DTM, which could cause each DTM to select invalid ports when > MXP_MULTIPLE_DTM_EN is TRUE. > > [...] Applied to arm64 (for-next/fixes), thanks! [1/1] perf/arm-cmn: Fix wp_dev_sel2 setting for multi-DTM configurations https://git.kernel.org/arm64/c/49daa3d668b6 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev