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

["Jaromir Dolecek" <jdolecek%netbsd.org@localhost>]

Module Name:    src
Committed By:   jdolecek
Date:           Sun Mar 29 15:35:31 UTC 2020

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

Log Message:
in xennetback_evthandler() just copy the DomU packet into destination
mbuf via hypervisor GNTTABOP_copy op instead of mapping the buffer into
Dom0 memory

no performance difference observed for now - it would probably make more
difference if Dom0 was MP, or when Dom0 is under VM pressure

this will eventually be updated to batch copy the DomU packets


To generate a diff of this commit:
cvs rdiff -u -r1.86 -r1.87 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.