The UEFI spec does not allow ACPI tables to be in runtime services memory. It recommends EfiACPIReclaimMemory.

Remove a superfluous check that the allocated pages are 16 byte aligned. EFI pages are 4 KiB aligned.

Fixes: 86df34d42b05 ("efi_loader: Install ACPI configuration tables") Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- lib/efi_loader/efi_acpi.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/efi_loader/efi_acpi.c b/lib/efi_loader/efi_acpi.c index 585b2d2b63..a62c34009c 100644 --- a/lib/efi_loader/efi_acpi.c +++ b/lib/efi_loader/efi_acpi.c @@ -25,7 +25,7 @@ efi_status_t efi_acpi_register(void)

/* Reserve 64kiB page for ACPI */ ret = efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS, - EFI_RUNTIME_SERVICES_DATA, 16, &acpi); + EFI_ACPI_RECLAIM_MEMORY, 16, &acpi); if (ret != EFI_SUCCESS) return ret;

@@ -34,7 +34,6 @@ efi_status_t efi_acpi_register(void) * a 4k-aligned address, so it is safe to assume that * write_acpi_tables() will write the table at that address. */ - assert(!(acpi & 0xf)); write_acpi_tables(acpi);

/* And expose them to our EFI payload */ -- 2.30.0