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Alexander Graf 274cdcb1c0 arm64: add KHO support
We now have all bits in place to support KHO kexecs.  Add awareness of KHO
in the kexec file as well as boot path for arm64 and adds the respective
kconfig option to the architecture so that it can use KHO successfully.

Changes to the "chosen" node have been sent to
https://github.com/devicetree-org/dt-schema/pull/158.

Link: https://lkml.kernel.org/r/20250509074635.3187114-10-changyuanl@google.com
Signed-off-by: Alexander Graf <graf@amazon.com>
Co-developed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Co-developed-by: Changyuan Lyu <changyuanl@google.com>
Signed-off-by: Changyuan Lyu <changyuanl@google.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Anthony Yznaga <anthony.yznaga@oracle.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Ashish Kalra <ashish.kalra@amd.com>
Cc: Ben Herrenschmidt <benh@kernel.crashing.org>
Cc: Borislav Betkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Gowans <jgowans@amazon.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Marc Rutland <mark.rutland@arm.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Pratyush Yadav <ptyadav@amazon.de>
Cc: Rob Herring <robh@kernel.org>
Cc: Saravana Kannan <saravanak@google.com>
Cc: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleinxer <tglx@linutronix.de>
Cc: Thomas Lendacky <thomas.lendacky@amd.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-05-12 23:50:41 -07:00
..
unittest-data of: unittest: Add a case to test if API of_irq_parse_raw() leaks refcount 2025-02-25 07:16:50 -06:00
.kunitconfig of: Allow overlay kunit tests to run CONFIG_OF_OVERLAY=n 2024-11-15 14:03:28 -06:00
address.c Devicetree for v6.15: 2025-03-29 11:23:16 -07:00
base.c Devicetree for v6.15: 2025-03-29 11:23:16 -07:00
cpu.c of: Constify struct device_node function arguments 2024-10-15 08:58:36 -05:00
device.c iommu: Get DT/ACPI parsing into the proper probe path 2025-03-11 14:05:43 +01:00
dynamic.c of: dynamic: Add of_changeset_update_prop_string 2024-11-27 12:03:48 +01:00
empty_root.dts of: Add #address-cells/#size-cells in the device-tree root empty node 2024-12-02 09:26:33 -06:00
fdt.c arm64: add KHO support 2025-05-12 23:50:41 -07:00
fdt_address.c of: Remove a duplicated code block 2025-01-13 08:39:28 -06:00
irq.c of/irq: Add comments about refcount for API of_irq_find_parent() 2025-02-25 07:16:50 -06:00
Kconfig Kbuild updates for v6.13 2024-11-30 13:41:50 -08:00
kexec.c arm64: add KHO support 2025-05-12 23:50:41 -07:00
kobj.c of: Constify 'struct bin_attribute' 2024-12-31 07:55:16 -06:00
kunit_overlay_test.dtso of: Add a KUnit test for overlays and test managed APIs 2024-07-29 15:33:12 -07:00
Makefile of: Add a KUnit test for overlays and test managed APIs 2024-07-29 15:33:12 -07:00
module.c of: module: remove strlen() call in of_modalias() 2024-10-16 12:00:10 -05:00
of_kunit_helpers.c of: Skip kunit tests when arm64+ACPI doesn't populate root node 2024-10-10 12:43:01 -05:00
of_numa.c of:of_numa: remove unused macro 2024-10-08 09:47:30 -05:00
of_private.h Devicetree for v6.15: 2025-03-29 11:23:16 -07:00
of_reserved_mem.c Revert "of: reserved-memory: Fix using wrong number of cells to get property 'alignment'" 2025-02-26 13:39:28 -06:00
of_test.c of: address: Add kunit test for __of_address_resource_bounds() 2025-02-02 20:59:04 -06:00
overlay.c of: Move of_prop_val_eq() next to the single user 2025-03-14 18:01:42 -05:00
overlay_test.c of: Allow overlay kunit tests to run CONFIG_OF_OVERLAY=n 2024-11-15 14:03:28 -06:00
pdt.c of: Do not expose of_alias_scan() and correct its comments 2025-01-17 08:52:57 -06:00
platform.c of/platform: Use typed accessors rather than of_get_property() 2025-03-14 18:01:42 -05:00
property.c of: Add of_property_read_u16_index 2025-03-20 12:42:27 +00:00
resolver.c of: Introduce and apply private is_pseudo_property() 2025-02-25 08:43:00 -06:00
unittest.c of: unittest: Add a case to test if API of_irq_parse_raw() leaks refcount 2025-02-25 07:16:50 -06:00