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Tue, 13 Oct 2026 11:11:46 -0700 Received: from dgx-1v-42.nvidia.com (10.127.8.11) by mail.nvidia.com (10.129.68.9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.49 via Frontend Transport; Tue, 13 Oct 2026 11:11:46 -0700 From: Jamie Nguyen To: "Rafael J. Wysocki" CC: Len Brown , Tony Luck , "Punit Agrawal" , , Subject: Re: [PATCH v2 2/2] ACPI: sysfs: Expose BDAT data region Date: Tue, 13 Oct 2026 11:11:46 -0700 Message-ID: <20261013181146.978514-1-jamien@nvidia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: <20261012230632.3574987-1-jamien@nvidia.com> <20261012230632.3574987-3-jamien@nvidia.com> <20261013021258.3843871-1-jamien@nvidia.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-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF0001885F:EE_|MW4PR12MB6683:EE_ X-MS-Office365-Filtering-Correlation-Id: 3bfde012-4008-4c75-560d-08df295582f0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|376014|36860700016|1800799024|23010399003|11063799006|4143699003|56012099006|18002099003|22082099003|10067099003|13003099007; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(82310400026)(376014)(36860700016)(1800799024)(23010399003)(11063799006)(4143699003)(56012099006)(18002099003)(22082099003)(10067099003)(13003099007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: j3t6wO985+bMPdLByyrGlWhIazHp4Z+479O3KUlFhNCuZytbmoD9QOkeT1sG+cBJc3mt3SGKPmJTg/3B3jS0LjyHRtckdjFJkFwgis7rMuxloP4bRRaoFSoyRhwf6DXBE3udWX1F+qM41D6BpMjYvqNYNu4kGnQDPlEab715l9Rxj+KOdXsmhXMu75cQ40eergbo8Q79laOLGYVAuXoKgVLsM7PNZ/Id1W7+4xahURp25W4G2ltJa+F6/ULrEVcu9wv8kTE72XFMTZkGLrjZDEBUnsl1m6/iRkXzT5ZSgQHUVPiIV47nw9rSNd1WKcQc9SWSBsA9k9MX2F+eHgbuTGg4vL9R63LplFAiwDS97/j7TvLKQ2Qh/p+l1RC6P8+S9tQLw2GdB/5AR114WrjLar+Fx3ohuZrOvgvAjK28Ux26YREfG65+AYpKi368zLNE X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Oct 2026 18:12:15.4192 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3bfde012-4008-4c75-560d-08df295582f0 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF0001885F.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB6683 On Tue, Oct 13, 2026 at 3:53 AM Rafael J. Wysocki wrote: > > If it's worth tightening anyway, acpi_data_show() could map only the > > range being read, which caps each mapping at two pages for all three > > tables. I can send that as a separate patch. > > Yes, please! Posted here: https://lore.kernel.org/r/20261013180728.957618-1-jamien@nvidia.com Jamie