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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Apr 2025 12:05:17.4963 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e9a6a776-686e-460a-e848-08dd75cc765c X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[4.158.2.129];Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: DB1PEPF00050A00.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR08MB8422 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250407_050529_577885_6DCED623 X-CRM114-Status: GOOD ( 10.11 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Apr 03, 2025 at 06:27:56PM +0100, Yeoreum Yun wrote: > Add FEAT_MTE_TAGGED_FAR cpucap which makes FAR_ELx report > all non-address bits on a synchronous MTE tag check fault since Armv8.9 > > Signed-off-by: Yeoreum Yun > --- > ... > arch/arm64/include/asm/hwcap.h | 1 + > ... > > diff --git a/arch/arm64/include/uapi/asm/hwcap.h b/arch/arm64/include/uapi/asm/hwcap.h > index 705a7afa8e58..7d22527a7975 100644 > --- a/arch/arm64/include/uapi/asm/hwcap.h > +++ b/arch/arm64/include/uapi/asm/hwcap.h > @@ -143,5 +143,6 @@ > /* > * HWCAP3 flags - for AT_HWCAP3 > */ > +#define HWCAP3_MTE_FAR (1UL << 0) Acked-by: Yury Khrustalev