Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 31 Jan 2023 20:41:56 +0900 | Subject | Re: [PATCH] soc: apple: rtkit: Add a private pointer to apple_rtkit_shmem | From | Hector Martin <> |
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On 21/01/2023 16.42, Asahi Lina wrote: > This allows downstream consumers to keep track of private data for shmem > mappings. In particular, the Rust abstraction will use this to safely > drop data associated with a mapping when it is unmapped. > > Signed-off-by: Asahi Lina <lina@asahilina.net> > --- > include/linux/soc/apple/rtkit.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/include/linux/soc/apple/rtkit.h b/include/linux/soc/apple/rtkit.h > index 62bfa37b5adb..1a9888a1797a 100644 > --- a/include/linux/soc/apple/rtkit.h > +++ b/include/linux/soc/apple/rtkit.h > @@ -22,6 +22,7 @@ > * @size: Size of the shared memory buffer. > * @iova: Device VA of shared memory buffer. > * @is_mapped: Shared memory buffer is managed by the co-processor. > + * @private: Private data pointer for the parent driver. > */ > > struct apple_rtkit_shmem { > @@ -30,6 +31,7 @@ struct apple_rtkit_shmem { > size_t size; > dma_addr_t iova; > bool is_mapped; > + void *private; > }; > > /*
Thanks, applied to asahi-soc/soc!
- Hector
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