diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 1d6f0459cd7b..cd5312f24981 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1092,6 +1092,21 @@ bytes respectively. Such letter suffixes can also be entirely omitted. you are really sure that your UEFI does sane gc and fulfills the spec otherwise your board may brick. + efi_fake_mem= nn[KMG]@ss[KMG]:aa[,nn[KMG]@ss[KMG]:aa,..] [EFI; X86] + Add arbitrary attribute to specific memory range by + updating original EFI memory map. + Region of memory which aa attribute is added to is + from ss to ss+nn. + If efi_fake_mem=2G@4G:0x10000,2G@0x10a0000000:0x10000 + is specified, EFI_MEMORY_MORE_RELIABLE(0x10000) + attribute is added to range 0x100000000-0x180000000 and + 0x10a0000000-0x1120000000. + + Using this parameter you can do debugging of EFI memmap + related feature. For example, you can do debugging of + Address Range Mirroring feature even if your box + doesn't support it. + eisa_irq_edge= [PARISC,HW] See header of drivers/parisc/eisa.c. |