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Open Source and information security mailing list archives
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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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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