On Fri, Nov 14 2025, Pasha Tatashin wrote: > During boot, kho_restore_folio() relies on the memory map having been > successfully deserialized. If deserialization fails or no map is > present, attempting to restore the FDT folio is unsafe. > > Update kho_mem_deserialize() to return a boolean indicating success. Use > this return value in kho_memory_init() to disable KHO if deserialization > fails. Also, the incoming FDT folio is never used, there is no reason to > restore it. > > Additionally, use get_unaligned() to retrieve the memory map pointer > from the FDT. FDT properties are not guaranteed to be naturally aligned, > and accessing a 64-bit value via a pointer that is only 32-bit aligned > can cause faults. > > Signed-off-by: Pasha Tatashin <[email protected]> > Reviewed-by: Mike Rapoport (Microsoft) <[email protected]>
Reviewed-by: Pratyush Yadav <[email protected]> [...] -- Regards, Pratyush Yadav
