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Subject: Re: svn commit: r318021 - in head/sys/arm: arm include
From: Andrew Turner <andrew@fubar.geek.nz>
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Date: Tue, 9 May 2017 12:34:10 +0100
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To: Michal Meloun <mmel@FreeBSD.org>
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> On 9 May 2017, at 12:05, Michal Meloun <mmel@FreeBSD.org> wrote:
>=20
> Author: mmel
> Date: Tue May  9 11:05:32 2017
> New Revision: 318021
> URL: https://svnweb.freebsd.org/changeset/base/318021
>=20
> Log:
>  Introduce pmap_remap_vm_attr(),
>  it allows to remap one VM memattr class to another.
>=20
>  This function is intent to be used as workaround for various SoC =
bugs,
>  mainly access ordering/sequencing related bugs in crossbar fabric.

This seems quite heavy handed to change the attribute for all memory of =
a given type. Other architectures have pmap_change_attr to change the =
attribute on a specific range of memory.

Andrew