On 11.01.19 09:40, Peng Fan wrote:
Hi Jan, Henning
We are trying to enable jailhouse with 4.1 ARM Linux Kernel with ivshmem,
however the uio_ivshmem driver uses some new APIs not existed in 4.1 kernel.
There two options to me,
1. backport Linux pci code from community to 4.1
2. rework uio_ivshmem driver to use 4.1 kernel API, according to the git
history of uio_ivshmem
Do you have any suggestions?
Did you identify all the API variations already? Are they spread out the kernel
or rather confined to the uio subsystem? I don't have the code of the
uio_ivshmem driver in mind.
BTW, option 3 can be to maintain a local adjustment of the uio_ivshmem driver to
4.1 in your downstream kernel.
Jan
--
Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux
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