From: Madper Xie Date: Sun, 10 Nov 2013 14:15:11 +0000 (+0800) Subject: x86/efi: Delete out-of-date comments of efi_query_variable_store X-Git-Tag: v3.15-rc1~173^2~15 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5db80c65140c6502d5c2345d0b0fa166eecedc61;p=karo-tx-linux.git x86/efi: Delete out-of-date comments of efi_query_variable_store For now we only ensure about 5kb free space for avoiding our board refusing boot.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 Signed-off-by: Matt Fleming --- diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 541e7db26c15..dc1dd6d09dec 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) {