29 Apr
2026
29 Apr
'26
8:11 a.m.
On Tue, Apr 28, 2026 at 03:03:43PM -0400, Lyude Paul wrote:
Just a temporary holdover to make locking/unlocking the dma_resv lock much easier.
Signed-off-by: Lyude Paul lyude@redhat.com Co-authored-by: Alexandre Courbot acourbot@nvidia.com
Needs Alexandre's SoB.
+/// Private helper-type for holding the `dma_resv` object for a GEM shmem object. +/// +/// When this is dropped, the `dma_resv` lock is dropped as well. +/// +// TODO: This should be replace with a WwMutex equivalent once we have such bindings in the kernel. +struct DmaResvGuard<'a, T: DriverObject>(&'a Object<T>);
We will also need this in GPUVM, so I don't think it needs to be private to shmem.
Alice