linux-kernel - Re: [PATCH v2 3/3] x86/quirks: Add early quirk to reset Apple AirPort card

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Message-ID: <20160614073627.GA8576@gmail.com>
Date:	Tue, 14 Jun 2016 09:36:27 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Matt Fleming <matt@...eblueprint.co.uk>
Cc:	Lukas Wunner <lukas@...ner.de>, x86@...nel.org,
	linux-kernel@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
	Yinghai Lu <yinghai@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH v2 3/3] x86/quirks: Add early quirk to reset Apple
 AirPort card


* Matt Fleming <matt@...eblueprint.co.uk> wrote:

> On Sun, 12 Jun, at 02:37:26PM, Lukas Wunner wrote:
> > 
> > Resetting the card solves the problem at the root and fixes both,
> > the spurious interrupts and the memory corruption. 
> 
> It also avoids the need to figure out exactly which Boot Services
> regions may have become corrupt.
> 
> This would be necessary since you can't keep all Boot Services regions
> reserved because those regions can add up to be many gigabytes in
> size, even on relatively low-end laptops that don't have huge amounts
> of RAM to begin with.
> 
> Freeing Boot Services regions is pretty important.

Ok!

Thanks,

	Ingo