The patch titled Subject: lib/test_kho: check if KHO is enabled has been added to the -mm mm-hotfixes-unstable branch. Its filename is lib-test_kho-check-if-kho-is-enabled.patch
This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches...
This patch will later appear in the mm-hotfixes-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------ From: Pasha Tatashin pasha.tatashin@soleen.com Subject: lib/test_kho: check if KHO is enabled Date: Thu, 6 Nov 2025 17:06:35 -0500
We must check whether KHO is enabled prior to issuing KHO commands, otherwise KHO internal data structures are not initialized.
Link: https://lkml.kernel.org/r/20251106220635.2608494-1-pasha.tatashin@soleen.com Fixes: b753522bed0b ("kho: add test for kexec handover") Signed-off-by: Pasha Tatashin pasha.tatashin@soleen.com Reported-by: kernel test robot oliver.sang@intel.com Closes: https://lore.kernel.org/oe-lkp/202511061629.e242724-lkp@intel.com Cc: Alexander Graf graf@amazon.com Cc: Mike Rapoport rppt@kernel.org Cc: Pratyush Yadav pratyush@kernel.org Cc: stable@vger.kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org ---
lib/test_kho.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/lib/test_kho.c~lib-test_kho-check-if-kho-is-enabled +++ a/lib/test_kho.c @@ -301,6 +301,9 @@ static int __init kho_test_init(void) phys_addr_t fdt_phys; int err;
+ if (!kho_is_enabled()) + return 0; + err = kho_retrieve_subtree(KHO_TEST_FDT, &fdt_phys); if (!err) return kho_test_restore(fdt_phys); _
Patches currently in -mm which might be from pasha.tatashin@soleen.com are
liveupdate-kho-warn-and-fail-on-metadata-or-preserved-memory-in-scratch-area.patch liveupdate-kho-warn-and-fail-on-metadata-or-preserved-memory-in-scratch-area-fix-2.patch liveupdate-kho-increase-metadata-bitmap-size-to-page_size.patch liveupdate-kho-allocate-metadata-directly-from-the-buddy-allocator.patch lib-test_kho-check-if-kho-is-enabled.patch kho-make-debugfs-interface-optional.patch kho-add-interfaces-to-unpreserve-folios-page-ranges-and-vmalloc.patch memblock-unpreserve-memory-in-case-of-error.patch test_kho-unpreserve-memory-in-case-of-error.patch kho-dont-unpreserve-memory-during-abort.patch liveupdate-kho-move-to-kernel-liveupdate.patch maintainers-update-kho-maintainers.patch