CVS commit: [netbsd-10] src/sys/arch/xen/xen

["Martin Husemann" <martin%netbsd.org@localhost>]

Module Name:    src
Committed By:   martin
Date:           Mon Sep  4 16:36:46 UTC 2023

Modified Files:
        src/sys/arch/xen/xen [netbsd-10]: xbd_xenbus.c

Log Message:
Actually apply a cherry picked version of

        sys/arch/xen/xen/xbd_xenbus.c   rev 1.130

xbd(4): Membar audit.

After consuming slots, must issue xen_wmb before notifying the other
side that we've consumed them in RING_FINAL_CHECK_FOR_RESPONSES.

Part of ticket #268 (and already noted in that CHANGES-10 entry, but
somehow lost during pullup)


To generate a diff of this commit:
cvs rdiff -u -r1.129.20.2 -r1.129.20.3 src/sys/arch/xen/xen/xbd_xenbus.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.