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Message-ID: <20140611173233.GE3275@sgi.com>
Date:	Wed, 11 Jun 2014 12:32:33 -0500
From:	Alex Thorlton <athorlton@....com>
To:	Borislav Petkov <bp@...e.de>
Cc:	Alex Thorlton <athorlton@....com>,
	Linux EFI <linux-efi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Matt Fleming <matt@...sole-pimps.org>,
	Russ Anderson <rja@....com>
Subject: Re: efi_call on SGI

On Tue, Jun 10, 2014 at 10:44:14PM +0200, Borislav Petkov wrote:
> Btw,
> 
> while we're at it, I see uv_bios_call is sometimes done with preemption
> disabled around it and sometimes it is not (at least I don't see it)...
> 
> In any case, if SGI uses the EFI pagetable now too, you probably would
> want to do the efi calls like the rest of x86 does them - see the 64-bit
> version of efi_call_virt() in arch/x86/include/asm/efi.h for an example
> what I mean.
> 
> Now, you could either copy that macro or you could accomodate it to
> serve everyone's needs - depends on what you'd prefer.
> 
> I'm just saying - I had stumbled across this while the debugging session
> was going on and wanted to point that out but it wasn't too important at
> the time so...

Thanks, Boris.  I'll take a look at that.  I'm not sure why we would've
chosen to do things differently there; wouldn't have been around for
that, but I'll see if we can fix things up so that we're doing
everything the way that everyone else is.

- Alex
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