On 2018/9/3 18:34, Jean-Philippe Brucker wrote:
On 01/09/18 03:23, Xu Zaibo wrote:
As one application takes a whole function while using VFIO-PCI, why do
the application and the
function need to enable PASID capability? (Since just one I/O page table
is enough for them.)
At the moment the se
On 09/04/18 at 09:29am, Dave Young wrote:
> On 09/04/18 at 08:44am, Dave Young wrote:
> > On 09/03/18 at 10:06pm, lijiang wrote:
> > > 在 2018年09月03日 10:45, Dave Young 写道:
> > > > On 08/31/18 at 04:19pm, Lianbo Jiang wrote:
> > > >> For kdump kernel, when SME is enabled, the acpi table and dmi table
在 2018年09月04日 08:44, Dave Young 写道:
> On 09/03/18 at 10:06pm, lijiang wrote:
>> 在 2018年09月03日 10:45, Dave Young 写道:
>>> On 08/31/18 at 04:19pm, Lianbo Jiang wrote:
For kdump kernel, when SME is enabled, the acpi table and dmi table will
need
to be remapped without the memory encrypt
On 09/04/18 at 08:44am, Dave Young wrote:
> On 09/03/18 at 10:06pm, lijiang wrote:
> > 在 2018年09月03日 10:45, Dave Young 写道:
> > > On 08/31/18 at 04:19pm, Lianbo Jiang wrote:
> > >> For kdump kernel, when SME is enabled, the acpi table and dmi table will
> > >> need
> > >> to be remapped without the
On 09/03/18 at 10:06pm, lijiang wrote:
> 在 2018年09月03日 10:45, Dave Young 写道:
> > On 08/31/18 at 04:19pm, Lianbo Jiang wrote:
> >> For kdump kernel, when SME is enabled, the acpi table and dmi table will
> >> need
> >> to be remapped without the memory encryption mask. So we have to strengthen
> >>
在 2018年09月03日 10:45, Dave Young 写道:
> On 08/31/18 at 04:19pm, Lianbo Jiang wrote:
>> For kdump kernel, when SME is enabled, the acpi table and dmi table will need
>> to be remapped without the memory encryption mask. So we have to strengthen
>> the logic in early_memremap_pgprot_adjust(), which mak
On 03/09/2018 13:41, Auger Eric wrote:
> Also what about CMD_CFI_CD(_ALL) propagation. Is it an
> IOMMU_INV_TYPE_PASID invalidation?
Yes, INV_TYPE_PASID corresponds to the config invalidation. CMD_CFGI_CD
is granule INV_GRANU_PASID_SEL and CMD_CFGI_CD_ALL is granule
INV_GRANU_ALL_PASID
Thanks,
Je
On Sat, Sep 01, 2018 at 02:24:16PM +0800, Lu Baolu wrote:
> Pasid table memory allocation could return failure due to memory
> shortage. Limit the pasid table size to 1MiB because current 8MiB
> contiguous physical memory allocation can be hard to come by. W/o
> a PASID table, the device could cont
Hi Jean-Philippe,
On 09/03/2018 02:29 PM, Jean-Philippe Brucker wrote:
> On 31/08/2018 15:11, Auger Eric wrote:
>> Yep this works with my setup but I was waiting for such kind of comments
>> to turn this prototype into something more "production level" ;-) Did
>> you send anything upstream, relate
Hi Jean-Philippe,
On 09/03/2018 02:28 PM, Jean-Philippe Brucker wrote:
> On 31/08/2018 15:07, Auger Eric wrote:
>>> Since the ioctl will be used to combine invalidations (invalidate both
>>> ATC and TLB with a single call), we need an additional ASID field for
>>> the SMMU - ATC is invalidated by P
On 31/08/2018 15:11, Auger Eric wrote:
> Yep this works with my setup but I was waiting for such kind of comments
> to turn this prototype into something more "production level" ;-) Did
> you send anything upstream, related to this branch?
No I didn't have time to clean it up yet, and don't know w
On 31/08/2018 15:07, Auger Eric wrote:
>> Since the ioctl will be used to combine invalidations (invalidate both
>> ATC and TLB with a single call), we need an additional ASID field for
>> the SMMU - ATC is invalidated by PASID, TLB by ASID. I used to call it
>> "tag", but I'm leaning towards "arch
On 31/08/2018 14:52, Auger Eric wrote:
> Do we agree here we can get rid of the struct device * parameter?
That's fine by me, in my opinion the bind operation should only be on
the domain, like map/unmap. For the invalidation however, I think we
need to keep the device as an optional parameter, be
When passing "intel_iommu=on" in boot cmdline there is no display output:
DMAR: No ATSR found
DMAR: dmar0: Using Queued invalidation
DMAR: dmar1: Using Queued invalidation
DMAR: Setting RMRR:
WARNING: CPU: 3 PID: 1 at mm/page_alloc.c:4066
__alloc_pages_nodemask+0xe30/0xf80
Modules linked in:
CPU:
On 01/09/18 03:23, Xu Zaibo wrote:
> As one application takes a whole function while using VFIO-PCI, why do
> the application and the
> function need to enable PASID capability? (Since just one I/O page table
> is enough for them.)
At the moment the series doesn't provide support for SVA without
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