> >
> > In fact I should have looked more closely at that myself - checking
> > debugfs on my 4GB arm64 board actually shows io_tlb_nslabs = 0, and
> > indeed we are bypassing initialisation completely and (ab)using
> > SWIOTLB_NO_FORCE to cover it up, so I guess it probably *is* safe now
> > for
On 3/18/2021 4:35 PM, Robin Murphy wrote:
> On 2021-03-18 21:31, Florian Fainelli wrote:
>>
>>
>> On 3/18/2021 12:53 PM, Robin Murphy wrote:
>>> On 2021-03-18 19:43, Florian Fainelli wrote:
On 3/18/2021 12:34 PM, Robin Murphy wrote:
> On 2021-03-18 19:22, Florian Fainelli wrote
On 2021-03-18 21:31, Florian Fainelli wrote:
On 3/18/2021 12:53 PM, Robin Murphy wrote:
On 2021-03-18 19:43, Florian Fainelli wrote:
On 3/18/2021 12:34 PM, Robin Murphy wrote:
On 2021-03-18 19:22, Florian Fainelli wrote:
On 3/18/2021 12:18 PM, Florian Fainelli wrote:
It may be useful t
On 3/18/2021 12:53 PM, Robin Murphy wrote:
> On 2021-03-18 19:43, Florian Fainelli wrote:
>>
>>
>> On 3/18/2021 12:34 PM, Robin Murphy wrote:
>>> On 2021-03-18 19:22, Florian Fainelli wrote:
On 3/18/2021 12:18 PM, Florian Fainelli wrote:
> It may be useful to disable the SWIOTL
On 2021-03-18 19:43, Florian Fainelli wrote:
On 3/18/2021 12:34 PM, Robin Murphy wrote:
On 2021-03-18 19:22, Florian Fainelli wrote:
On 3/18/2021 12:18 PM, Florian Fainelli wrote:
It may be useful to disable the SWIOTLB completely for testing or when a
platform is known not to have any DRA
On 3/18/2021 12:34 PM, Robin Murphy wrote:
> On 2021-03-18 19:22, Florian Fainelli wrote:
>>
>>
>> On 3/18/2021 12:18 PM, Florian Fainelli wrote:
>>> It may be useful to disable the SWIOTLB completely for testing or when a
>>> platform is known not to have any DRAM addressing limitations what so
On 2021-03-18 19:22, Florian Fainelli wrote:
On 3/18/2021 12:18 PM, Florian Fainelli wrote:
It may be useful to disable the SWIOTLB completely for testing or when a
platform is known not to have any DRAM addressing limitations what so
ever.
Isn't that what "swiotlb=noforce" is for? If you're
On 3/18/2021 12:18 PM, Florian Fainelli wrote:
> It may be useful to disable the SWIOTLB completely for testing or when a
> platform is known not to have any DRAM addressing limitations what so
> ever.
>
> Signed-off-by: Florian Fainelli
Christoph, in addition to this change, how would you fe
It may be useful to disable the SWIOTLB completely for testing or when a
platform is known not to have any DRAM addressing limitations what so
ever.
Signed-off-by: Florian Fainelli
---
Documentation/admin-guide/kernel-parameters.txt | 1 +
include/linux/swiotlb.h | 1 +
k
