| Date | Wed, 18 Oct 2023 10:31:23 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH 0/5] mlx5 ConnectX diagnostic misc driver |
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On Wed, Oct 18, 2023 at 01:19:36AM -0700, Saeed Mahameed wrote: > Historically a userspace program was used that accessed the PCI register > and config space directly through /sys/bus/pci/.../XXX and could operate > these debugging interfaces in parallel with the running driver. > This approach is incompatible with secure boot and kernel lockdown so this > driver provides a secure and restricted interface to that.
Why not just write a UIO driver for this hardware then?
thanks,
greg k-h
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