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Wed, 18 Oct 2023 16:22:42 +0000 Date: Wed, 18 Oct 2023 17:22:29 +0100 From: Szabolcs Nagy To: Peter Bergner , linux-api@vger.kernel.org, linux-arch@vger.kernel.org, "linuxppc-dev@lists.ozlabs.org" , "linux-kernel@vger.kernel.org" Cc: Nicholas Piggin , Michael Ellerman , Segher Boessenkool , GNU C Library Subject: Re: [PING][PATCH] uapi/auxvec: Define AT_HWCAP3 and AT_HWCAP4 aux vector, entries Message-ID: References: <4294d9ae-3f5e-4f81-b586-2c134d21896a@linux.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <4294d9ae-3f5e-4f81-b586-2c134d21896a@linux.ibm.com> X-ClientProxiedBy: LO2P265CA0088.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:8::28) To DB9PR08MB7179.eurprd08.prod.outlook.com (2603:10a6:10:2cc::19) MIME-Version: 1.0 X-MS-TrafficTypeDiagnostic: DB9PR08MB7179:EE_|PA6PR08MB10829:EE_|DBAEUR03FT061:EE_|AS8PR08MB6392:EE_ X-MS-Office365-Filtering-Correlation-Id: 81352d72-dec6-404a-c268-08dbcff679d5 x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Oct 2023 16:22:51.5544 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 81352d72-dec6-404a-c268-08dbcff679d5 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: DBAEUR03FT061.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR08MB6392 Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org The 10/17/2023 18:14, Peter Bergner wrote: > CCing linux-kernel for more exposure. > > PING. I'm waiting on a reply from anyone on the kernel side of things > to see whether they have an issue with reserving values for AT_HWCAP3 > and AT_HWCAP4. > > I'll note reviews from the GLIBC camp did not have an issue with the below patch. fwiw, aarch64 is quickly filling up AT_HWCAP2 so this will be useful for arm64 too eventually, but we are not in a hurry. > > +#define AT_HWCAP3 29 /* extension of AT_HWCAP */ > > +#define AT_HWCAP4 30 /* extension of AT_HWCAP */