diff options
| author | Ard Biesheuvel <ardb@kernel.org> | 2022-10-11 10:25:36 +0200 |
|---|---|---|
| committer | Ard Biesheuvel <ardb@kernel.org> | 2022-11-09 12:42:01 +0100 |
| commit | 48b9491cfe0816c7afc4602db1536cc6b2938acd (patch) | |
| tree | 1df4377c0ac8438daedc2ab90a82af9e0ef31341 /drivers/firmware/efi/libstub/efi-stub.c | |
| parent | 085e2ff9aeb03b591946fda422c25d6933f8948d (diff) | |
efi: libstub: Drop handling of EFI properties table
The EFI properties table was a short lived experiment that never saw the
light of day on non-x86 (if at all) so let's drop the handling of it.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Diffstat (limited to 'drivers/firmware/efi/libstub/efi-stub.c')
| -rw-r--r-- | drivers/firmware/efi/libstub/efi-stub.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/drivers/firmware/efi/libstub/efi-stub.c b/drivers/firmware/efi/libstub/efi-stub.c index 0ebfa2d9628a..b55d1009d4c8 100644 --- a/drivers/firmware/efi/libstub/efi-stub.c +++ b/drivers/firmware/efi/libstub/efi-stub.c @@ -126,7 +126,6 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle, unsigned long reserve_addr = 0; unsigned long reserve_size = 0; struct screen_info *si; - efi_properties_table_t *prop_tbl; efi_system_table = sys_table_arg; @@ -205,18 +204,6 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle, efi_random_get_seed(); - /* - * If the NX PE data feature is enabled in the properties table, we - * should take care not to create a virtual mapping that changes the - * relative placement of runtime services code and data regions, as - * they may belong to the same PE/COFF executable image in memory. - * The easiest way to achieve that is to simply use a 1:1 mapping. - */ - prop_tbl = get_efi_config_table(EFI_PROPERTIES_TABLE_GUID); - flat_va_mapping |= prop_tbl && - (prop_tbl->memory_protection_attribute & - EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA); - /* force efi_novamap if SetVirtualAddressMap() is unsupported */ efi_novamap |= !(get_supported_rt_services() & EFI_RT_SUPPORTED_SET_VIRTUAL_ADDRESS_MAP); |