According to the UEFI spec ACPI tables should be placed in EfiACPIReclaimMemory. Let's do the same with the device tree.

Suggested-by: Ard Biesheuvel ardb@kernel.org Cc: Grant Likely grant.likely@arm.com Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- cmd/bootefi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cmd/bootefi.c b/cmd/bootefi.c index 54b4b8f984..06573b14e9 100644 --- a/cmd/bootefi.c +++ b/cmd/bootefi.c @@ -127,13 +127,13 @@ static efi_status_t copy_fdt(void **fdtp) new_fdt_addr = (uintptr_t)map_sysmem(fdt_ram_start + 0x7f00000 + fdt_size, 0); ret = efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS, - EFI_BOOT_SERVICES_DATA, fdt_pages, + EFI_ACPI_RECLAIM_MEMORY, fdt_pages, &new_fdt_addr); if (ret != EFI_SUCCESS) { /* If we can't put it there, put it somewhere */ new_fdt_addr = (ulong)memalign(EFI_PAGE_SIZE, fdt_size); ret = efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS, - EFI_BOOT_SERVICES_DATA, fdt_pages, + EFI_ACPI_RECLAIM_MEMORY, fdt_pages, &new_fdt_addr); if (ret != EFI_SUCCESS) { printf("ERROR: Failed to reserve space for FDT\n"); -- 2.26.2