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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Dec 2025 15:23:41.9040 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 092f26c1-c2d1-4ac6-ebc2-08de39926ec9 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: AMS0EPF000001A9.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR08MB8633 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251212_072348_699675_61B6F539 X-CRM114-Status: GOOD ( 10.46 ) 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 The GICv5 architecture is dropping the ICC_HAPR_EL1 and ICV_HAPR_EL1 system registers. These registers were never added to the sysregs, but the traps for them were. Drop the trap bit from the ICH_HFGRTR_EL2 and make it Res1 as per the upcoming GICv5 spec change. Additionally, update the EL2 setup code to not attempt to set that bit. Signed-off-by: Sascha Bischoff --- arch/arm64/include/asm/el2_setup.h | 1 - arch/arm64/tools/sysreg | 2 +- 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm64/include/asm/el2_setup.h b/arch/arm64/include/asm/el= 2_setup.h index cacd20df1786e..07c12f4a69b41 100644 --- a/arch/arm64/include/asm/el2_setup.h +++ b/arch/arm64/include/asm/el2_setup.h @@ -225,7 +225,6 @@ ICH_HFGRTR_EL2_ICC_ICSR_EL1 | \ ICH_HFGRTR_EL2_ICC_PCR_EL1 | \ ICH_HFGRTR_EL2_ICC_HPPIR_EL1 | \ - ICH_HFGRTR_EL2_ICC_HAPR_EL1 | \ ICH_HFGRTR_EL2_ICC_CR0_EL1 | \ ICH_HFGRTR_EL2_ICC_IDRn_EL1 | \ ICH_HFGRTR_EL2_ICC_APR_EL1) diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg index 8921b51866d64..dab5bfe8c9686 100644 --- a/arch/arm64/tools/sysreg +++ b/arch/arm64/tools/sysreg @@ -4579,7 +4579,7 @@ Field 7 ICC_IAFFIDR_EL1 Field 6 ICC_ICSR_EL1 Field 5 ICC_PCR_EL1 Field 4 ICC_HPPIR_EL1 -Field 3 ICC_HAPR_EL1 +Res1 3 Field 2 ICC_CR0_EL1 Field 1 ICC_IDRn_EL1 Field 0 ICC_APR_EL1 --=20 2.34.1