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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Jan Beulich <jbeulich@novell.com>,
	tglx@linutronix.de, hpa@zytor.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86/xen: fix arbitrary_virt_to_machine()
Date: Fri, 16 May 2008 14:00:53 +0100	[thread overview]
Message-ID: <482D8585.90909@goop.org> (raw)
In-Reply-To: <20080516120911.GE11718@elte.hu>

Ingo Molnar wrote:
>  	unsigned int level;
>  	pte_t *pte = lookup_address(address, &level);
> -	unsigned offset = address & PAGE_MASK;
> +	unsigned offset = address & ~PAGE_SIZE;
>   

Ah, no, you have the worst of both worlds there ;)  Should be ~PAGE_*MASK*.

    J

  reply	other threads:[~2008-05-16 13:01 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-15 12:24 [PATCH] x86/xen: fix arbitrary_virt_to_machine() Jan Beulich
2008-05-15 12:58 ` Jeremy Fitzhardinge
2008-05-16 12:09   ` Ingo Molnar
2008-05-16 13:00     ` Jeremy Fitzhardinge [this message]
2008-05-16 13:06       ` Ingo Molnar

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