[Xen-devel] [Question] Proper location for Linux error code (-EPROBE_DEFER) in Xen

[Oleksandr <olekstysh@xxxxxxxxx>]

Hello all.

What is the proper location to place Linux error code (-EPROBE_DEFER) in 
Xen?
https://elixir.bootlin.com/linux/v5.3-rc2/source/include/linux/errno.h#L19

...
Although that error is going to be used by Arm code the first, I feel it 
should be somewhere in common place as it is not Arm specific.
I was thinking to place it to xen/include/public/errno.h and guard with 
#ifdef __XEN__ to hide from userspace, but not sure it is a good idea, 
since it looks like not a POSIX one to be in that header...
--
Regards,

Oleksandr Tyshchenko


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