char devices without SI_UNMAPPED?

Ian Lepore ian at
Sun Dec 13 18:17:53 UTC 2020

On Sun, 2020-12-13 at 10:27 -0700, alan somers wrote:
> I'm trying to exercise the aio code that handles character devices
> that
> don't set the SI_UNMAPPED flag.  But I can't find any.  Are there any
> remaining character devices that don't allow unmapped I/O?
> -Alan

I assume you mean disk-like devices?  Probably mmcsd, flash/at45d,

-- Ian

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