This kernel oops while boot linux mainline kernel on arm64 db410c device.
metadata:
git branch: master
git repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git commit: f8456690ba8eb18ea4714e68554e242a04f65cff
git describe: v5.8-rc5-48-gf8456690ba8e
make_kernelver
On Thu, Jul 16, 2020 at 05:12:30PM +0100, Robin Murphy wrote:
>> +static const char *dir2name[4] = {
>
> Nit: I think you can probably drop the explicit array size here.
>
> Otherwise, very welcome clarity!
>
> Reviewed-by: Robin Murphy
Applied with the explicit array size removed.
__
On Sat, Jul 18, 2020 at 10:17:14AM -0700, Guenter Roeck wrote:
> On Wed, Jul 08, 2020 at 05:24:47PM +0200, Christoph Hellwig wrote:
> > Avoid the overhead of the dma ops support for tiny builds that only
> > use the direct mapping.
> >
> > Signed-off-by: Christoph Hellwig
>
> For ppc:pmac32_defc
The pull request you sent on Sun, 19 Jul 2020 09:39:27 +0200:
> git://git.infradead.org/users/hch/dma-mapping.git tags/dma-mapping-5.8-6
has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/8c18fc6344568bdc131436be0345d82da512bfef
Thank you!
--
Deet-doot-dot, I am a bot.
Hi Yi,
On 7/12/20 1:21 PM, Liu Yi L wrote:
> When an IOMMU domain with nesting attribute is used for guest SVA, a
> system-wide PASID is allocated for binding with the device and the domain.
> For security reason, we need to check the PASID passsed from user-space.
passed
> e.g. page table bind/un
Yi,
On 7/12/20 1:21 PM, Liu Yi L wrote:
> This patch allows user space to request PASID allocation/free, e.g. when
> serving the request from the guest.
>
> PASIDs that are not freed by userspace are automatically freed when the
> IOASID set is destroyed when process exits.
>
> Cc: Kevin Tian
>
Yi,
On 7/12/20 1:21 PM, Liu Yi L wrote:
> Shared Virtual Addressing (a.k.a Shared Virtual Memory) allows sharing
> multiple process virtual address spaces with the device for simplified
> programming model. PASID is used to tag an virtual address space in DMA
> requests and to identify the related
Yi,
On 7/12/20 1:21 PM, Liu Yi L wrote:
> From IOMMU p.o.v., PASIDs allocated and managed by external components
> (e.g. VFIO) will be passed in for gpasid_bind/unbind operation. IOMMU
> needs some knowledge to check the PASID ownership, hence add an interface
> for those components to tell the PA
Yi,
On 7/12/20 1:21 PM, Liu Yi L wrote:
> From: Yi Sun
>
> Current interface is good enough for SVA virtualization on an assigned
> physical PCI device, but when it comes to mediated devices, a physical
> device may attached with multiple aux-domains. Also, for guest unbind,
> the PASID to be un
The following changes since commit 0dc589da873b58b70f4caf4b070fb0cf70fdd1dc:
Merge tag 'iommu-fixes-v5.8-rc5' of
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu (2020-07-13 12:34:05
-0700)
are available in the Git repository at:
git://git.infradead.org/users/hch/dma-mapping.git ta
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