[Bug 238037] [PATCH] Implement ig4 suspend/resume

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=238037

J.R. Oldroyd <fbsd at opal.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #205417|maintainer-approval?(fbsd at o |
              Flags|pal.com)                    |
 Attachment #205417|0                           |1
        is obsolete|                            |

--- Comment #3 from J.R. Oldroyd <fbsd at opal.com> ---
Created attachment 205432
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=205432&action=edit
patch to fix bus_barrier code

read barrier should indeed be before read, but write barrier needed after
writes

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