From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pdx-out-008.esa.us-west-2.outbound.mail-perimeter.amazon.com (pdx-out-008.esa.us-west-2.outbound.mail-perimeter.amazon.com [52.42.203.116]) (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 039D238AC97; Wed, 3 Jun 2026 15:00:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=52.42.203.116 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780498833; cv=none; b=N5YzkvapCaEOyOdaMs6N58j/hWAvkX8Ryh47rcKHtuSbAehjYzWoCNRpTMAxNUGt+Vl0FpMbbrcTHp2UAszkT+jQ3Nbyrn7IebkFyJ+741U6/9iMU9sLPt6Potjo20BkxmvuZiM8vzoEmDe+/wlAL+t8mJOAi8coGXHMWq8s0Wg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780498833; c=relaxed/simple; bh=XSXwuFZBkhwnYYZPuP9L3bGnuf3ZFy4EkdR+Kxftpo4=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Ckgl3XthmNprDZ5seIvVqamZ2lDAnx5LuASZNhZscphFHmImGeAGjRPRJuBrOfAiMq2ItQLEGYho1NI+tDeWECLTbG2PKE+xDT7i9gg1j44/yE6QzM9qi/KAPCEJso8LvKTRDcioTRSnZk34hwGAjn9DGHjFkI7sOTyaiiIingE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com; spf=pass smtp.mailfrom=amazon.com; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b=jU3fAyx3; arc=none smtp.client-ip=52.42.203.116 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b="jU3fAyx3" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1780498832; x=1812034832; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=PDKsKDSbVExn0jxUl7+BzuzYpAY/H5UznWmB8z1SNjo=; b=jU3fAyx37XowmPj6BWvdOI9SqOZM752MBLi95QJH3qXBu+4tVtHpO6qg fo1NSDSpiK5tNqGY3L7jskVoaZR7VUGOh57ZtOEmPU9TSKQnrBoIWdi5z /KoZ/UIXqclFYvdH9n6ms/lRC06fE8C0gchIyDY1KVLJzTNXysWvghq2z Q/h1pv+5H0+Cvv9uR/Gv7nyNdUzqP8b/qA3wgohEoQjW0B2ws21C8Irkg qTYGip5+WN/POytnnXeO2vterNJiAztOrOlQqyszTpAeajO5RUrWfgnYw ARBYf2kLHtQX3KLp8lQz88AQOqO2Vf+3GiF21RzOyRu6RalIOIIxQCVow A==; X-CSE-ConnectionGUID: b9jaOWH8RN6ZEhdVqDhijw== X-CSE-MsgGUID: 2SVPzv9oRj6D/tKKggKFEw== X-IronPort-AV: E=Sophos;i="6.24,185,1774310400"; d="scan'208";a="21030303" Received: from ip-10-5-6-203.us-west-2.compute.internal (HELO smtpout.naws.us-west-2.prod.farcaster.email.amazon.dev) ([10.5.6.203]) by internal-pdx-out-008.esa.us-west-2.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jun 2026 15:00:30 +0000 Received: from EX19MTAUWB001.ant.amazon.com [205.251.233.104:26179] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.51.252:2525] with esmtp (Farcaster) id ebaf609f-8359-43be-8777-7a8e67c948f0; Wed, 3 Jun 2026 15:00:29 +0000 (UTC) X-Farcaster-Flow-ID: ebaf609f-8359-43be-8777-7a8e67c948f0 Received: from EX19D001UWA001.ant.amazon.com (10.13.138.214) by EX19MTAUWB001.ant.amazon.com (10.250.64.248) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.37; Wed, 3 Jun 2026 15:00:29 +0000 Received: from dev-dsk-avivb-1b-e28f450e.eu-west-1.amazon.com (10.15.33.9) by EX19D001UWA001.ant.amazon.com (10.13.138.214) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.37; Wed, 3 Jun 2026 15:00:27 +0000 From: Aviv Bakal To: , , CC: , , , , , , Subject: [PATCH v5 0/2] perf/arm-cmn: Add workarounds for CMN-S3 on Graviton5 Date: Wed, 3 Jun 2026 18:00:23 +0300 Message-ID: <20260603150025.30980-1-avivb@amazon.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260531110447.10095-1-avivb@amazon.com> References: <20260531110447.10095-1-avivb@amazon.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: EX19D038UWB002.ant.amazon.com (10.13.139.185) To EX19D001UWA001.ant.amazon.com (10.13.138.214) This series adds support for Graviton5's customised CMN-S3 which has zeroed discovery registers. Changes since v4: - Fix patch 1 authorship to correctly attribute Robin as author - Collect Reviewed-by tags from Robin and Ilkka Aviv Bakal (1): perf/arm-cmn: Add workarounds for CMN-S3 on Graviton5 Robin Murphy (1): perf/arm-cmn: Move DTM index data out of hw_perf_event drivers/perf/arm-cmn.c | 121 ++++++++++++++++++++++++++++++----------- 1 file changed, 90 insertions(+), 31 deletions(-) -- 2.47.3