Re: CVS commit: src/sys/dev/wscons

[Jared McNeill <jmcneill%invisible.ca@localhost>]

The change isn't wrong, but I booted the wrong kernel and it does not fix 
the aarch64 issue I am seeing.

On Sun, 17 Jan 2021, Jared D. McNeill wrote:

> Module Name:	src
> Committed By:	jmcneill
> Date:		Sun Jan 17 15:13:15 UTC 2021
>
> Modified Files:
> 	src/sys/dev/wscons: wsdisplay_vconsvar.h
>
> Log Message:
> Add appropriate memory barriers around sc_busy accesses. Fixes an issue
> where character cells are sometimes not erased properly on aarch64 at
> boot.
>
>
> To generate a diff of this commit:
> cvs rdiff -u -r1.28 -r1.29 src/sys/dev/wscons/wsdisplay_vconsvar.h
>
> Please note that diffs are not public domain; they are subject to the
> copyright notices on the relevant files.