char devices without SI_UNMAPPED?
imp at bsdimp.com
Sun Dec 13 18:20:35 UTC 2020
On Sun, Dec 13, 2020 at 11:18 AM Ian Lepore <ian at freebsd.org> wrote:
> 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,
There are times that it's disabled administratively as well, but that may
be on a per-I/O basis.
"Why do you ask?" is the next question...
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