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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jun 2025 18:31:10.7951 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: fe7486d6-ee33-4b5c-1034-08ddb028a155 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: BN1PEPF00005FFF.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB5831 X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1750444912343116600 Content-Type: text/plain; charset="utf-8" This effectively means that DOM0LESS_BOOT on platforms without HAS_DEVICE_TREE_DISCOVERY (i.e: x86) acts as a selector for a stripped-down version of DT code. Signed-off-by: Alejandro Vallejo Reviewed-by: Stefano Stabellini --- xen/Kconfig.debug | 2 +- xen/common/Kconfig | 3 ++- xen/common/Makefile | 1 + xen/common/device-tree/Makefile | 8 ++++---- 4 files changed, 8 insertions(+), 6 deletions(-) diff --git a/xen/Kconfig.debug b/xen/Kconfig.debug index 9192d593a7..89b0af53a2 100644 --- a/xen/Kconfig.debug +++ b/xen/Kconfig.debug @@ -92,7 +92,7 @@ config VERBOSE_DEBUG =20 config DEVICE_TREE_DEBUG bool "Device tree debug messages" - depends on HAS_DEVICE_TREE_DISCOVERY + depends on DOM0LESS_BOOT || HAS_DEVICE_TREE_DISCOVERY help Device tree parsing and DOM0 device tree building messages are logged in the Xen ring buffer. diff --git a/xen/common/Kconfig b/xen/common/Kconfig index 6294cd7939..1ac28a4e78 100644 --- a/xen/common/Kconfig +++ b/xen/common/Kconfig @@ -14,7 +14,8 @@ config CORE_PARKING =20 config DOM0LESS_BOOT bool "Dom0less boot support" if EXPERT - depends on HAS_DOM0LESS && HAS_DEVICE_TREE_DISCOVERY && DOMAIN_BUILD_HELP= ERS + select LIBFDT + depends on HAS_DOM0LESS && DOMAIN_BUILD_HELPERS default y help Dom0less boot support enables Xen to create and start domU guests during diff --git a/xen/common/Makefile b/xen/common/Makefile index d541fbcf49..19d6ff7a90 100644 --- a/xen/common/Makefile +++ b/xen/common/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_DEBUG_TRACE) +=3D debugtrace.o obj-$(CONFIG_HAS_DEVICE_TREE_DISCOVERY) +=3D device.o obj-$(filter-out $(CONFIG_X86),$(CONFIG_ACPI)) +=3D device.o obj-$(CONFIG_HAS_DEVICE_TREE_DISCOVERY) +=3D device-tree/ +obj-$(CONFIG_DOM0LESS_BOOT) +=3D device-tree/ obj-$(CONFIG_IOREQ_SERVER) +=3D dm.o obj-y +=3D domain.o obj-y +=3D event_2l.o diff --git a/xen/common/device-tree/Makefile b/xen/common/device-tree/Makef= ile index 8abc069c4b..4a10b0508f 100644 --- a/xen/common/device-tree/Makefile +++ b/xen/common/device-tree/Makefile @@ -1,11 +1,11 @@ obj-y +=3D bootfdt.init.o -obj-y +=3D bootinfo-fdt.init.o -obj-y +=3D bootinfo.init.o -obj-y +=3D device-tree.o +obj-$(CONFIG_HAS_DEVICE_TREE_DISCOVERY) +=3D bootinfo-fdt.init.o +obj-$(CONFIG_HAS_DEVICE_TREE_DISCOVERY) +=3D bootinfo.init.o +obj-$(CONFIG_HAS_DEVICE_TREE_DISCOVERY) +=3D device-tree.o obj-$(CONFIG_DOMAIN_BUILD_HELPERS) +=3D domain-build.init.o obj-$(CONFIG_DOM0LESS_BOOT) +=3D dom0less-build.init.o obj-$(CONFIG_OVERLAY_DTB) +=3D dt-overlay.o -obj-y +=3D intc.o +obj-$(CONFIG_HAS_DEVICE_TREE_DISCOVERY) +=3D intc.o obj-$(CONFIG_DOMAIN_BUILD_HELPERS) +=3D kernel.o obj-$(CONFIG_STATIC_EVTCHN) +=3D static-evtchn.init.o obj-$(CONFIG_STATIC_MEMORY) +=3D static-memory.init.o --=20 2.43.0