linux-kernel - Re: [PATCH 02/11] efi: Remove EFI_PAGE_SHIFT and EFI_PAGE

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Message-ID: <20130921160121.GI2737@rocoto.smurfnet.nu>
Date:	Sat, 21 Sep 2013 18:01:21 +0200
From:	Leif Lindholm <leif.lindholm@...aro.org>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Matt Fleming <matt@...sole-pimps.org>,
	Mark Salter <msalter@...hat.com>, X86 ML <x86@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Borislav Petkov <bp@...e.de>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Vivek Goyal <vgoyal@...hat.com>,
	Dave Young <dyoung@...hat.com>, linux-efi@...r.kernel.org,
	Roy Franz <roy.franz@...aro.org>
Subject: Re: [PATCH 02/11] efi: Remove EFI_PAGE_SHIFT and EFI_PAGE_SIZE

On Sat, Sep 21, 2013 at 05:50:39PM +0200, Borislav Petkov wrote:
> > Ok, maybe the generic header include/linux/efi.h might be a problem but
> > the rest are changes to arch/x86/ which should have no effect whatsoever
> > on any other arch.
> > 
> > Or are you planning to move some of it into generic code?
> 
> Oh, and arm64 defines a respective PAGE_SIZE too, so what's the problem?
> Or is possibly EFI_PAGE_SIZE != PAGE_SIZE on arm64?
 
Correct. On arm64, EFI_PAGE_SIZE will be 4K, and PAGE_SIZE can be 4K
or 64K, with at least Fedora opting for 64K.

/
    Leif
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