diff options
| author | Madper Xie <cxie@redhat.com> | 2013-11-10 14:15:11 (GMT) |
|---|---|---|
| committer | Matt Fleming <matt.fleming@intel.com> | 2014-03-04 16:16:17 (GMT) |
| commit | 5db80c65140c6502d5c2345d0b0fa166eecedc61 (patch) | |
| tree | 113509b211e53616417cdf4411f12ed38dcf987d /arch | |
| parent | aca32b5768bb314f5f3f42e26822424468412f5a (diff) | |
| download | linux-5db80c65140c6502d5c2345d0b0fa166eecedc61.tar.xz | |
x86/efi: Delete out-of-date comments of efi_query_variable_store
For now we only ensure about 5kb free space for avoiding our board
refusing boot. But the comment lies that we retain 50% space.
Signed-off-by: Madper Xie <cxie@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/platform/efi/efi.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 541e7db..dc1dd6d 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -1110,9 +1110,8 @@ u64 efi_mem_attributes(unsigned long phys_addr) } /* - * Some firmware has serious problems when using more than 50% of the EFI - * variable store, i.e. it triggers bugs that can brick machines. Ensure that - * we never use more than this safe limit. + * Some firmware implementations refuse to boot if there's insufficient space + * in the variable store. Ensure that we never use more than a safe limit. * * Return EFI_SUCCESS if it is safe to write 'size' bytes to the variable * store. @@ -1131,10 +1130,9 @@ efi_status_t efi_query_variable_store(u32 attributes, unsigned long size) return status; /* - * Some firmware implementations refuse to boot if there's insufficient - * space in the variable store. We account for that by refusing the - * write if permitting it would reduce the available space to under - * 5KB. This figure was provided by Samsung, so should be safe. + * We account for that by refusing the write if permitting it would + * reduce the available space to under 5KB. This figure was provided by + * Samsung, so should be safe. */ if ((remaining_size - size < EFI_MIN_RESERVE) && !efi_no_storage_paranoia) { |