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From: Avi Kivity <avi@qumranet.com>
To: Alexandre Oliva <aoliva@redhat.com>
Cc: Anthony Liguori <anthony@codemonkey.ws>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	Anthony Liguori <aliguori@us.ibm.com>,
	kvm-devel <kvm@vger.kernel.org>
Subject: Re: KVM: pvmmu breakage with gcc 4.3.0
Date: Sun, 29 Jun 2008 11:56:50 +0300	[thread overview]
Message-ID: <48674E52.4070107@qumranet.com> (raw)
In-Reply-To: <orr6aknka1.fsf@oliva.athome.lsd.ic.unicamp.br>

Alexandre Oliva wrote:
> I thought a better approach
> was to have __pa do something along the lines of
>
>   ({ char *__buf = (char*)buffer; asm ("" : : "o"(*__buf)); ... })
>
> to make it clear that physical addresses are used.
>
>   

I agree, I think such a patch is important for future-proofing Linux 
against increasing gcc optimization capabilities.

-- 
error compiling committee.c: too many arguments to function


  reply	other threads:[~2008-06-29  8:56 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-26  2:10 KVM: pvmmu breakage with gcc 4.3.0 Marcelo Tosatti
2008-06-26  3:10 ` Anthony Liguori
2008-06-26 13:18   ` Christian Borntraeger
2008-06-26 18:06   ` Alexandre Oliva
2008-06-29  8:56     ` Avi Kivity [this message]
2008-06-26 11:43 ` Avi Kivity
2008-06-26 12:47   ` Anthony Liguori
2008-06-27 16:11     ` Bill Davidsen
2008-06-26 15:08   ` Christian Borntraeger
2008-06-26 15:21     ` Anthony Liguori
2008-06-26 15:41     ` Anthony Liguori
2008-06-26 16:34       ` Christian Borntraeger
2008-06-29 10:16     ` Avi Kivity

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