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Edgecombe" , Deepak Gupta , "Ard Biesheuvel" , Szabolcs Nagy , "Kees Cook" , "H.J. Lu" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Florian Weimer , "Christian Brauner" , Thiago Jung Bauermann , Ross Burton , "David Spickett" , Wilco Dijkstra , , , , , , , , , Subject: Re: [PATCH v13 18/40] arm64/hwcap: Add hwcap for GCS Message-ID: References: <20241001-arm64-gcs-v13-0-222b78d87eee@kernel.org> <20241001-arm64-gcs-v13-18-222b78d87eee@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20241001-arm64-gcs-v13-18-222b78d87eee@kernel.org> X-EOPAttributedMessage: 1 X-MS-TrafficTypeDiagnostic: AMS0EPF000001B6:EE_|DBBPR08MB10507:EE_|DB5PEPF00014B9B:EE_|VI1PR08MB5421:EE_ X-MS-Office365-Filtering-Correlation-Id: 0dad78ab-e836-47f0-79b3-08dce3c80e81 x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0;ARA:13230040|376014|7416014|82310400026|36860700013|1800799024; X-Microsoft-Antispam-Message-Info-Original: =?us-ascii?Q?hP7p46UKxp2ySWE7jzcxYuYBJyVfWkRIHtdnwgcT7nr9bz2ll6nBMdoMjbq9?= =?us-ascii?Q?YqVp0YJy0qN3B6jzG1STi2rJInulzOOVt4/i6gG9qkEiUYs3VzFVmpPE+Kjl?= =?us-ascii?Q?Hx9TpAz1ynXEOskGxvbL9drKSNHhBCufatzPSoZS12JtA4xH+if9s96jGZE2?= =?us-ascii?Q?fd8L72ji/xuOU8xSFWWLhcUmeOSmqgav/vJXDhwWyOrqo4UoRi9vsvglQbZH?= =?us-ascii?Q?AqnvGsl8v0bUvPVxZ7FMJrhi67XMDt47S1MrKAAQuoRmpqIN832ErUosaKed?= =?us-ascii?Q?vDmMVsFY0QTNSXP9AIutjvaXVsiiOMWqJl9O1J8qIjrF8erHU8r5gDm9rjsD?= =?us-ascii?Q?m7RUcCW4UxhflJHaTauojOT8z9dnTo95meT5cIesTwFi0rQi+1ZEEF3vvKnj?= =?us-ascii?Q?SFqJzkOb9E4VG93ibkGGj8ovPfvu4Mc+RauauueiqMDSzFAwijGE6G1VdgH4?= =?us-ascii?Q?sxTPGDIyfnuciiPIK8Onav3hWWg+F+X6K3A3WyefZFCPh5oKy3OjqcRjEV9Z?= =?us-ascii?Q?f+/Tw9KM4F/9Wtsot8atK7sEy3mUB/kWkVv2WkAbz5g9JWr/PZ0rYpc555pw?= =?us-ascii?Q?kF5BBfJXLjegRwx132AJ1Vqc+2mF7WQ8BOfN6jk7bYcufPTe1LFApOxkFA9y?= =?us-ascii?Q?Nk3DM7zIfG0iGZZ0Rl3KwL7YGGDA7Z8LRu6SarhMUJ76DmIeLwiFQ54XwpD8?= =?us-ascii?Q?WhwMrN5JIqnItB32YhENIhkNaBhGAXpjgxmzTPM0uQakM11cns2Np7sJDMz8?= =?us-ascii?Q?2zJXbd4Andy4M4pA+OBUB9OK+XOVh3e18iQ1VG62vTxqlefJKKlNwWaxDXu4?= =?us-ascii?Q?h25vb25ucxIeJ8PF8iJ557J7l6OKMic7syjarHpywFkzhA9iXy74vKm1tWLT?= =?us-ascii?Q?55pHIrqOGrB+YZk7kYpJgN55WcH8+Ju02MxUFNDChfCC9UY/LIH5DelgBF9j?= =?us-ascii?Q?IZJloaTyPdWPYJm76MWMB6Rox7Dzg5vwExWk3eNZidtBiun88dpckOAZDTxQ?= =?us-ascii?Q?2SjESxrYPGfYDW09LCtrnB5YHC7YvqpGqZrpeEJ6yOuieCProFKyhLWCZBof?= =?us-ascii?Q?118hsuPMQnfnIQWJwAJ2k7isM/kha03nIvnSn3T5PL5J2D+zRj1bzJOFbZVa?= =?us-ascii?Q?hs5irVxunnI9Lq+fq8AfyarXjKeP8HL55fcDbYdjwQGw3G5wqyymjc71W1o5?= =?us-ascii?Q?S4G9llEvkIi8THCwHPKT08KimIOtPF1iy8gmXeSWE5UulZ7Bp+TvTIY6dOYC?= =?us-ascii?Q?Z4pjduByNtVopwI0vtRN/D+3P2RvaubuNfQquzF0fGEQTRCmogGfm3Fea2s7?= =?us-ascii?Q?DE0vV3wy9PjCqyCx4PVfhqQ5JeL/1BfVdyTJxKyQSxhVQ8ZOO5dE6RngAf8Z?= =?us-ascii?Q?kD9u/LBBpU7pX/4/985bZ9RVqo9F?= X-Forefront-Antispam-Report-Untrusted: CIP:40.67.248.234;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:nebula.arm.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(7416014)(82310400026)(36860700013)(1800799024);DIR:OUT;SFP:1101; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Oct 2024 16:25:55.5942 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0dad78ab-e836-47f0-79b3-08dce3c80e81 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: DB5PEPF00014B9B.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR08MB5421 X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: F31394001C X-Stat-Signature: extojkko3ch7jomtypmtynt89ceuy9x1 X-Rspam-User: X-HE-Tag: 1727972765-481702 X-HE-Meta: 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 OjO8m1wX 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Oct 01, 2024 at 11:58:57PM +0100, Mark Brown wrote: > Provide a hwcap to enable userspace to detect support for GCS. > > Signed-off-by: Mark Brown > #define HWCAP_PACA (1 << 30) > #define HWCAP_PACG (1UL << 31) > +#define HWCAP_GCS (1UL << 32) > Acked-by: Yury Khrustalev