linux-kernel - Re: AMD Geode NOPL emulation for kernel 2.6.36-rc2

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Message-ID: <AANLkTinjHK-oTmt-6cmN16jWWv9ZjW44wA-A3VTLm+A_@mail.gmail.com>
Date:	Fri, 27 Aug 2010 23:32:04 +0200
From:	Matteo Croce <matteo@...nwrt.org>
To:	Thomas Backlund <tmb@...driva.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Natale Vinto <ebballon@...il.com>
Subject: Re: AMD Geode NOPL emulation for kernel 2.6.36-rc2

can I ignore the return value when I expect val to be non zero?
the doc says: "On error, the variable @x is set to zero."

On Fri, Aug 27, 2010 at 10:49 PM, Thomas Backlund <tmb@...driva.org> wrote:
> 27.08.2010 23:15, Matteo Croce skrev:
>>
>> On Fri, Aug 27, 2010 at 8:48 PM, H. Peter Anvin<hpa@...or.com>  wrote:
>>>
>>> You're doing user-space references without get_user().
>>>
>>>        -hpa
>>>
>>> --
>>> H. Peter Anvin, Intel Open Source Technology Center
>>> I work for Intel.  I don't speak on their behalf.
>>>
>>>
>>
>> Here with get_user.
>> I CC Natale which is my beta tester, he have some Alix boards running
>> 24/24
>> with my patch
>>
>> --- a/arch/x86/kernel/Makefile  2010-08-27 19:42:01.795858001 +0200
>> +++ b/arch/x86/kernel/Makefile  2010-08-27 19:42:12.525858001 +0200
>> @@ -88,6 +88,8 @@
>>  obj-$(CONFIG_APB_TIMER)               += apb_timer.o
>>
>>  obj-$(CONFIG_K8_NB)           += k8.o
>> +obj-$(CONFIG_GEODE_NOPL)       += nopl_emu.o
>> +obj-$(CONFIG_GEODE_NOPL)       += nopl_emu.o
>
> Same line added twice...
>
> --
> Thomas
>



-- 
Matteo Croce
OpenWrt developer
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