do.salv...@linaro.org>; Leo Duran <leo.du...@amd.com>; G
> Gregory <graeme.greg...@linaro.org>; nic_swsd <nic_s...@realtek.com>;
> Hau <h...@realtek.com>
> Subject: Re: [PATCH] r8169: default to 64-bit DMA on systems without memory
> below 4 GB
>
> > O
Francois Romieu :
> Ard Biesheuvel :
> > On 12 May 2016 at 16:09, Francois Romieu wrote:
> [...]
> > By resurrecting 353176888386, I mean the patch that changes the
> > default for PCI express devices, so I think we are in
Ard Biesheuvel :
> On 12 May 2016 at 16:09, Francois Romieu wrote:
[...]
> By resurrecting 353176888386, I mean the patch that changes the
> default for PCI express devices, so I think we are in agreement here ?
Almost 353176888386: please modify
On 12 May 2016 at 16:09, Francois Romieu wrote:
>> On 12 May 2016 at 01:58, David Miller wrote:
>> > From: Ard Biesheuvel
>> > Date: Wed, 11 May 2016 09:47:49 +0200
> [...]
>> > I think we should just seriously consider
> On 12 May 2016 at 01:58, David Miller wrote:
> > From: Ard Biesheuvel
> > Date: Wed, 11 May 2016 09:47:49 +0200
[...]
> > I think we should just seriously consider changing the default, it's
> > a really outdated reasoning behind the current
On 12 May 2016 at 01:58, David Miller wrote:
> From: Ard Biesheuvel
> Date: Wed, 11 May 2016 09:47:49 +0200
>
>> The current logic around the 'use_dac' module parameter prevents the
>> r81969 driver from being loadable on 64-bit systems without any
From: Ard Biesheuvel
Date: Wed, 11 May 2016 09:47:49 +0200
> The current logic around the 'use_dac' module parameter prevents the
> r81969 driver from being loadable on 64-bit systems without any RAM
> below 4 GB when the parameter is left at its default value.
> So
Ard Biesheuvel :
> On 11 May 2016 at 22:31, Francois Romieu wrote:
[...]
> It has little to do with f*cking legacy 32-bits-only-devices if DRAM
> simply starts at 0x80__. This is on an AMD arm64 chip.
The lack of IOMMU surprizes me.
On 11 May 2016 at 22:31, Francois Romieu wrote:
> Ard Biesheuvel :
>> The current logic around the 'use_dac' module parameter prevents the
>> r81969 driver from being loadable on 64-bit systems without any RAM
>> below 4 GB when the parameter is
Ard Biesheuvel :
> The current logic around the 'use_dac' module parameter prevents the
> r81969 driver from being loadable on 64-bit systems without any RAM
> below 4 GB when the parameter is left at its default value.
> So introduce a new default value -1 which
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