linux-kernel - Re: [GIT PULL] x86 fixes

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Date:	Wed, 24 Sep 2014 15:18:53 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Matt Fleming <matt@...sole-pimps.org>
Cc:	Maarten Lankhorst <maarten.lankhorst@...onical.com>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	Matt Fleming <matt.fleming@...el.com>,
	Leif Lindholm <leif.lindholm@...aro.org>,
	Roy Franz <roy.franz@...aro.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Josh Boyer <jwboyer@...hat.com>
Subject: Re: [GIT PULL] x86 fixes


* Matt Fleming <matt@...sole-pimps.org> wrote:

> On Wed, 24 Sep, at 03:08:16PM, Ingo Molnar wrote:
> > 
> > * Matt Fleming <matt@...sole-pimps.org> wrote:
> > 
> > > +/*
> > > + * There's no way to return an informative status from this function,
> > > + * because any analysis (and printing of error messages) needs to be
> > > + * done directly at the EFI function call-site.
> > > + *
> > > + * For example, EFI_INVALID_PARAMETER could indicate a bug or maybe we
> > > + * just didn't find any PCI devices, but there's no way to tell outside
> > > + * the context of the call.
> > > + */
> > > +static void setup_efi_pci(struct boot_params *params)
> > 
> > Btw., do we print proper complaints at the EFI call sites if such 
> > failures do happen (and if that failure is unexpected/bad)?
> 
> Not yet, but I've got a patch queued up for v3.18 that does this.

Great, thanks!

	Ingo
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