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From: Ingo Molnar <mingo@elte.hu>
To: Andi Kleen <andi@firstfloor.org>
Cc: "Huang, Ying" <ying.huang@intel.com>,
	torvalds@osdl.org, tglx@linutronix.de,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Fix left over EFI cache mapping problems
Date: Mon, 18 Feb 2008 15:05:46 +0100	[thread overview]
Message-ID: <20080218140546.GA462@elte.hu> (raw)
In-Reply-To: <20080218112621.GA24147@one.firstfloor.org>


* Andi Kleen <andi@firstfloor.org> wrote:

> > UEFI specification 2.1 (section 6.2, page 124) that the 
> > NumberOfPages (num_pages) of EFI_MEMORY_DESCRIPTOR 
> > (efi_memory_desc_t) must be "Number of 4KB pages in the memory 
> > region". So we need not worry about potential EFI_PAGE_SHIFT 
> > changes.
> 
> Then it would be cleaner to just use PAGE_SIZE in the x86 specific EFI 
> code imho.

(as i suggested in the mail Ying replied to.)

But ... as long as ia64 uses EFI too i dont mind if it's using 
EFI_PAGE_SHIFT consistently, even in the arch/x86-only files.

	Ingo

  reply	other threads:[~2008-02-18 14:06 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-14 13:13 [PATCH] Fix left over EFI cache mapping problems Andi Kleen
2008-02-14 16:12 ` Ingo Molnar
2008-02-14 17:16   ` Andi Kleen
2008-02-14 18:38     ` Ingo Molnar
2008-02-14 21:42       ` Andi Kleen
2008-02-14 22:08         ` Arjan van de Ven
2008-02-14 23:01           ` Andi Kleen
2008-02-15  2:52       ` Huang, Ying
2008-02-15  8:55         ` Andi Kleen
2008-02-15  9:16           ` Huang, Ying
2008-02-15  4:48   ` Huang, Ying
2008-02-15  5:44     ` Linus Torvalds
2008-02-15  6:24       ` Huang, Ying
2008-02-15  7:30       ` Ingo Molnar
2008-02-15  7:08     ` Ingo Molnar
2008-02-15  7:32       ` Huang, Ying
2008-02-18  1:53       ` Huang, Ying
2008-02-18 11:26         ` Andi Kleen
2008-02-18 14:05           ` Ingo Molnar [this message]
2008-02-15  8:48     ` Andi Kleen
2008-02-15  9:21       ` Huang, Ying
2008-02-15  9:43         ` Andi Kleen

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