On 06/14/2007 03:59 PM, ron minnich wrote:
> On 6/14/07, Marc Jones <[EMAIL PROTECTED]> wrote:
>
>> Now that I think about it, it makes sense that you can't set writeback
>> to noncoherent (nonsystem) memory space. What if another device wants to
>> write to that memory. There is no way for the ca
org
>> Subject: Re: [LinuxBIOS] Opteron caching of device memory
>>
>> Roman Kononov wrote:
>>
>>> On 06/13/2007 09:39 AM, Myles Watson wrote:
>>>
>>>
>>>> I'm using LinuxBIOS on my Tyan s2892. I have a device that map
On 6/14/07, Marc Jones <[EMAIL PROTECTED]> wrote:
> Now that I think about it, it makes sense that you can't set writeback
> to noncoherent (nonsystem) memory space. What if another device wants to
> write to that memory. There is no way for the cache to snoop that it was
> written. You would need
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:linuxbios-
> [EMAIL PROTECTED] On Behalf Of Marc Jones
> Sent: Thursday, June 14, 2007 2:39 PM
> To: Roman Kononov
> Cc: [EMAIL PROTECTED]; linuxbios@linuxbios.org
> Subject: Re: [LinuxBIOS] Opteron cac
Roman Kononov wrote:
> On 06/13/2007 09:39 AM, Myles Watson wrote:
>
>> I’m using LinuxBIOS on my Tyan s2892. I have a device that maps a lot
>> of the memory space, but I’m struggling trying to get the Opteron to
>> read and write to my device in larger blocks. I have set the variable
>> M
> Myles Watson wrote:
> >> On 6/13/07, Myles Watson <[EMAIL PROTECTED]> wrote:
> >>
> >>> I'm using LinuxBIOS on my Tyan s2892. I have a device that maps a lot
> >>> of the memory space, but I'm struggling trying to get the Opteron to
> >>> read and write to my device in larger blocks. I have set
> On 06/13/2007 09:39 AM, Myles Watson wrote:
> > I'm using LinuxBIOS on my Tyan s2892. I have a device that maps a lot
> > of the memory space, but I'm struggling trying to get the Opteron to
> > read and write to my device in larger blocks. I have set the variable
> > MTRRs in the device drive
On 06/13/2007 09:39 AM, Myles Watson wrote:
> I’m using LinuxBIOS on my Tyan s2892. I have a device that maps a lot
> of the memory space, but I’m struggling trying to get the Opteron to
> read and write to my device in larger blocks. I have set the variable
> MTRRs in the device driver to wri
Myles Watson wrote:
>> On 6/13/07, Myles Watson <[EMAIL PROTECTED]> wrote:
>>
>>> I'm using LinuxBIOS on my Tyan s2892. I have a device that maps a lot
>>> of the memory space, but I'm struggling trying to get the Opteron to
>>> read and write to my device in larger blocks. I have set the va
> On 6/13/07, Myles Watson <[EMAIL PROTECTED]> wrote:
> > I'm using LinuxBIOS on my Tyan s2892. I have a device that maps a lot
> > of the memory space, but I'm struggling trying to get the Opteron to
> > read and write to my device in larger blocks. I have set the variable
> > MTRRs in the devi
On 6/13/07, Myles Watson <[EMAIL PROTECTED]> wrote:
>
>
>
>
> I'm using LinuxBIOS on my Tyan s2892. I have a device that maps a lot of
> the memory space, but I'm struggling trying to get the Opteron to read and
> write to my device in larger blocks. I have set the variable MTRRs in the
> device
I'm using LinuxBIOS on my Tyan s2892. I have a device that maps a lot of
the memory space, but I'm struggling trying to get the Opteron to read and
write to my device in larger blocks. I have set the variable MTRRs in the
device driver to writeback (witnessed by /proc/mtrr), but I still get 64-bi
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