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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Jan 2025 15:23:20.7826 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: afed0dbd-41e5-41a5-c0e1-08dd2ff86296 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF00017095.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB6940 X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1736349824673116600 Content-Type: text/plain; charset="utf-8" Clang 16 reports: In file included from arch/arm/tee/ffa.c:72: arch/arm/tee/ffa_private.h:329:17: error: 'used' attribute ignored on a non= -definition declaration [-Werror,-Wignored-attributes] extern uint32_t __ro_after_init ffa_fw_version; ^ Remove the attribute from the header to resolve this. The attribute in ffa.c is the one the matters anyway. Fixes: 2f9f240a5e87 ("xen/arm: ffa: Fine granular call support") Signed-off-by: Stewart Hildebrand Reviewed-by: Bertrand Marquis --- It appears the variable ffa_fw_version is only used in ffa.c. Was there any rationale for exporting the symbol in 2f9f240a5e87 ("xen/arm: ffa: Fine granular call support")? If not, perhaps we ought to make it static again and remove the declaration in the header. --- xen/arch/arm/tee/ffa_private.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/arm/tee/ffa_private.h b/xen/arch/arm/tee/ffa_private.h index d441c0ca5598..05368d5a88d3 100644 --- a/xen/arch/arm/tee/ffa_private.h +++ b/xen/arch/arm/tee/ffa_private.h @@ -326,7 +326,7 @@ extern void *ffa_rx; extern void *ffa_tx; extern spinlock_t ffa_rx_buffer_lock; extern spinlock_t ffa_tx_buffer_lock; -extern uint32_t __ro_after_init ffa_fw_version; +extern uint32_t ffa_fw_version; extern DECLARE_BITMAP(ffa_fw_abi_supported, FFA_ABI_BITMAP_SIZE); =20 bool ffa_shm_domain_destroy(struct domain *d); base-commit: 70f5a875becc9444a959830b10a361982c31a366 --=20 2.47.1