lkml.org 
[lkml]   [2012]   [Jun]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] efi: add efi_runtime state checking
On 06/27/2012 02:35 PM, Olof Johansson wrote:
> This adds an efi_runtime variable indicating whether the
> efi runtime services are available. The only time they are
> expected to not be available is when a 32-bit kernel has been
> booted using 64-but EFI and vice versa.
>
> It also adds checking to the two locations where functions are
> called; x86 reboot and efivars.
>

OK, stupid question:

Why is this different from the efi_enabled variable, or rather: why is
it different from what the efi_enabled variable *should* be? If runtime
services aren't available the only "EFI" that is available to the kernel
are the data structures passed in, and those can be checked directly...

-hpa


--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.





\
 
 \ /
  Last update: 2012-06-28 00:21    [W:0.130 / U:0.032 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site