[PATCH] firmware: arm_ffa: Fix handling of fragmented memory descriptors

Sudeep Holla sudeep.holla at arm.com
Tue May 3 01:04:31 PDT 2022


On Tue, 26 Apr 2022 13:12:19 +0100, Marc Bonnici wrote:
> Fix the handling of MEM_FRAG_TX/RX SMCs when the full memory descriptor
> does not fit in a single innovation of a memory sharing request.
> 
> The current implementation expects a FFA_MEM_SHARE/FFA_MEM_LEND
> call to always receive a FFA_SUCCESS response, however in the
> case where a full descriptor does not fit inside the partitions
> TX buffer, the call can instead complete with a FFA_MEM_FRAG_RX SMC
> to request the next part of the descriptor to be transmitted.
> 
> [...]


Applied to sudeep.holla/linux (for-next/ffa), thanks!

[1/1] firmware: arm_ffa: Fix handling of fragmented memory descriptors
      https://git.kernel.org/sudeep.holla/c/987756f67d

--
Regards,
Sudeep




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