CVS commit: src/sys/arch/xen/xen

["Taylor R Campbell" <riastradh%netbsd.org@localhost>]

Module Name:    src
Committed By:   riastradh
Date:           Wed Aug  9 08:38:16 UTC 2023

Modified Files:
        src/sys/arch/xen/xen: xennetback_xenbus.c

Log Message:
xvif(4): Move expensive xen_mb out of xennetback_evthandler loop.

Use the cheaper RING_HAS_UNCONFIRMED_REQUESTS for most of the loop.

This should improve throughput without any impact on correctness.


To generate a diff of this commit:
cvs rdiff -u -r1.118 -r1.119 src/sys/arch/xen/xen/xennetback_xenbus.c

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