On Fri, Sep 24, 2021 at 03:45:02PM +0200, Sven Peter wrote:
> drivers/iommu/apple-dart.c | 38 +++---
> 1 file changed, 35 insertions(+), 3 deletions(-)
Applied for v5.15, thanks.
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On Fri, 24 Sep 2021 14:45:02 +0100,
Sven Peter wrote:
>
> sid2groups keeps track of which stream id combinations belong to a
> iommu_group to assign those correctly to devices.
> When a iommu_group is freed a stale pointer will however remain in
> sid2groups. This prevents devices with the same
sid2groups keeps track of which stream id combinations belong to a
iommu_group to assign those correctly to devices.
When a iommu_group is freed a stale pointer will however remain in
sid2groups. This prevents devices with the same stream id combination
to ever be attached again (see below).
Fix
