diff options
| -rw-r--r-- | arch/x86/kernel/kexec-bzimage64.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kernel/kexec-bzimage64.c b/arch/x86/kernel/kexec-bzimage64.c index 6b58610a1552..f00b58724e0b 100644 --- a/arch/x86/kernel/kexec-bzimage64.c +++ b/arch/x86/kernel/kexec-bzimage64.c @@ -184,6 +184,13 @@ setup_efi_state(struct boot_params *params, unsigned long params_load_addr, struct efi_info *current_ei = &boot_params.efi_info; struct efi_info *ei = ¶ms->efi_info; + if (!params->acpi_rsdp_addr) { + if (efi.acpi20 != EFI_INVALID_TABLE_ADDR) + params->acpi_rsdp_addr = efi.acpi20; + else if (efi.acpi != EFI_INVALID_TABLE_ADDR) + params->acpi_rsdp_addr = efi.acpi; + } + if (!efi_enabled(EFI_RUNTIME_SERVICES)) return 0; |