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pr=C From: Jason Andryuk To: CC: Jason Andryuk , Stefano Stabellini , Julien Grall , Bertrand Marquis , Michal Orzel , "Volodymyr Babchuk" Subject: [PATCH v3 6/7] xen/arm: dom0less use has_dtb local variable Date: Thu, 3 Apr 2025 17:46:07 -0400 Message-ID: <20250403214608.152954-7-jason.andryuk@amd.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250403214608.152954-1-jason.andryuk@amd.com> References: <20250403214608.152954-1-jason.andryuk@amd.com> MIME-Version: 1.0 Received-SPF: None (SATLEXMB03.amd.com: jason.andryuk@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EE33:EE_|IA0PPF8FC6E1236:EE_ X-MS-Office365-Filtering-Correlation-Id: 43a04bde-3635-4d8a-0e00-08dd72f8f821 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700013|376014|82310400026; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(1800799024)(36860700013)(376014)(82310400026);DIR:OUT;SFP:1101; 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This will simplity adding hardware domain checks. Signed-off-by: Jason Andryuk Reviewed-by: Stefano Stabellini --- v3: New Could be squashed into the next patch, but this helps make the next one cleaner. --- xen/arch/arm/dom0less-build.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/xen/arch/arm/dom0less-build.c b/xen/arch/arm/dom0less-build.c index 284190d54f..a72961dfb4 100644 --- a/xen/arch/arm/dom0less-build.c +++ b/xen/arch/arm/dom0less-build.c @@ -1031,6 +1031,7 @@ void __init create_domUs(void) .grant_opts = XEN_DOMCTL_GRANT_version(opt_gnttab_max_version), }; unsigned int flags = 0U; + bool has_dtb = false; uint32_t val; int rc; @@ -1065,9 +1066,10 @@ void __init create_domUs(void) !strcmp(dom0less_iommu, "enabled") ) iommu = true; - if ( iommu_enabled && - (iommu || dt_find_compatible_node(node, NULL, - "multiboot,device-tree")) ) + if ( dt_find_compatible_node(node, NULL, "multiboot,device-tree") ) + has_dtb = true; + + if ( iommu_enabled && (iommu || has_dtb) ) d_cfg.flags |= XEN_DOMCTL_CDF_iommu; if ( !dt_property_read_u32(node, "nr_spis", &d_cfg.arch.nr_spis) )