Re: [PATCH] export efi.flags to sysfs

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On Wed, May 28, 2014 at 03:04:00PM -0400, Vivek Goyal wrote:
> On Wed, May 28, 2014 at 10:51:04AM -0500, Alex Thorlton wrote:
> 
> [..]
> > A side note, though:  We're going to have to figure out some way to
> > determine whether or not to apply the old_map quirk on during boot
> > anyway, so if it's easiest for you to just determine how the original
> > kernel was booted and key off of that, then I wouldn't worry about
> > finding a different method to get the firmware version in userspace,
> > unless there are other reasons for you to do it that way.
> 
> Agreed. Let kernel and firmware figure it out when to apply quirk and
> user space should not worry about firmware version.
> 
> I liked the other approach better where user space just needs to know
> if 1:1 mapping are in effect or not and take decision based on that.
> 
> So once SGI firmware gets fixed for 1:1 mapping, and kernel knows it,
> then user space will not have to be changed at all.

Sounds good to me.  Working on a potential kernel fix as we speak.

- Alex
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