On Thu Dec 12 19, Lu Baolu wrote:
Hi,
On 12/12/19 9:49 AM, Jerry Snitselaar wrote:
On Wed Dec 11 19, Lu Baolu wrote:
If the default DMA domain of a group doesn't fit a device, it
will still sit in the group but use a private identity domain.
When map/unmap/iova_to_phys come through iommu API,
On Wed Dec 11 19, Alex Williamson wrote:
Commit d850c2ee5fe2 ("iommu/vt-d: Expose ISA direct mapping region via
iommu_get_resv_regions") created a direct-mapped reserved memory region
in order to replace the static identity mapping of the ISA address
space, where the latter was then removed in co
Currently the reserved region for ISA is allocated with no
permissions. If a dma domain is being used, mapping this region will
fail. Set the permissions to DMA_PTE_READ|DMA_PTE_WRITE.
Cc: Joerg Roedel
Cc: Lu Baolu
Cc: iommu@lists.linux-foundation.org
Cc: sta...@vger.kernel.org # v5.3+
Fixes: d
Hi,
On 12/13/19 11:16 AM, Jerry Snitselaar wrote:
On Thu Dec 12 19, Jerry Snitselaar wrote:
On Fri Dec 13 19, Lu Baolu wrote:
Hi,
On 12/13/19 8:30 AM, Jerry Snitselaar wrote:
On Thu Dec 12 19, Lu Baolu wrote:
Hi,
On 12/12/19 9:49 AM, Jerry Snitselaar wrote:
On Wed Dec 11 19, Lu Baolu wrot
On Thu Dec 12 19, Jerry Snitselaar wrote:
On Fri Dec 13 19, Lu Baolu wrote:
Hi,
On 12/13/19 8:30 AM, Jerry Snitselaar wrote:
On Thu Dec 12 19, Lu Baolu wrote:
Hi,
On 12/12/19 9:49 AM, Jerry Snitselaar wrote:
On Wed Dec 11 19, Lu Baolu wrote:
If the default DMA domain of a group doesn't fit
On Fri Dec 13 19, Lu Baolu wrote:
Hi,
On 12/13/19 8:30 AM, Jerry Snitselaar wrote:
On Thu Dec 12 19, Lu Baolu wrote:
Hi,
On 12/12/19 9:49 AM, Jerry Snitselaar wrote:
On Wed Dec 11 19, Lu Baolu wrote:
If the default DMA domain of a group doesn't fit a device, it
will still sit in the group b
Hi,
On 12/13/19 8:30 AM, Jerry Snitselaar wrote:
On Thu Dec 12 19, Lu Baolu wrote:
Hi,
On 12/12/19 9:49 AM, Jerry Snitselaar wrote:
On Wed Dec 11 19, Lu Baolu wrote:
If the default DMA domain of a group doesn't fit a device, it
will still sit in the group but use a private identity domain.
W
On Thu Dec 12 19, Lu Baolu wrote:
Hi,
On 12/12/19 9:49 AM, Jerry Snitselaar wrote:
On Wed Dec 11 19, Lu Baolu wrote:
If the default DMA domain of a group doesn't fit a device, it
will still sit in the group but use a private identity domain.
When map/unmap/iova_to_phys come through iommu API,
On Thu, 28 Nov 2019, Christoph Hellwig wrote:
> > So we're left with making dma_pool_alloc(GFP_ATOMIC) actually be atomic
> > even when the DMA needs to be unencrypted for SEV. Christoph's suggestion
> > was to wire up dmapool in kernel/dma/remap.c for this. Is that necessary
> > to be done f
On Thu, 12 Dec 2019 09:49:37 +0100
Auger Eric wrote:
> Hi Alex,
>
> On 12/11/19 9:28 PM, Alex Williamson wrote:
> > Commit d850c2ee5fe2 ("iommu/vt-d: Expose ISA direct mapping region via
> > iommu_get_resv_regions") created a direct-mapped reserved memory region
> > in order to replace the stati
On Thu, 2019-12-05 at 14:38 -0600, Bjorn Helgaas wrote:
> The subject contains a couple typos: it's missing "of" and it's
> missing the "n" on "down".
Noted >
> On Tue, Dec 03, 2019 at 12:47:41PM +0100, Nicolas Saenz Julienne wrote:
> > The function now is safe to use while expecting a 64bit valu
On Thu, 2019-12-05 at 16:30 -0600, Bjorn Helgaas wrote:
> You got the "n" on "down" in the subject, but still missing "of" ;)
Yes, sorry about that, I tend to re-read what I meant to say instead of what
it's actually written.
> On Tue, Dec 03, 2019 at 12:47:40PM +0100, Nicolas Saenz Julienne wrot
Hi Robin,
On Thu, 2019-12-05 at 17:48 +, Robin Murphy wrote:
> On 03/12/2019 11:47 am, Nicolas Saenz Julienne wrote:
> > Some users need to make sure their rounding function accepts and returns
> > 64bit long variables regardless of the architecture. Sadly
> > roundup/rounddown_pow_two() takes
Hi Alex,
On 12/11/19 9:28 PM, Alex Williamson wrote:
> Commit d850c2ee5fe2 ("iommu/vt-d: Expose ISA direct mapping region via
> iommu_get_resv_regions") created a direct-mapped reserved memory region
> in order to replace the static identity mapping of the ISA address
> space, where the latter was
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