svn commit: r279238 - user/nwhitehorn/ppc64-pmap-rework/pseries
Nathan Whitehorn
nwhitehorn at FreeBSD.org
Tue Feb 24 15:07:10 UTC 2015
Author: nwhitehorn
Date: Tue Feb 24 15:07:09 2015
New Revision: 279238
URL: https://svnweb.freebsd.org/changeset/base/279238
Log:
IFC
Modified:
user/nwhitehorn/ppc64-pmap-rework/pseries/phyp_vscsi.c
Directory Properties:
user/nwhitehorn/ppc64-pmap-rework/ (props changed)
Modified: user/nwhitehorn/ppc64-pmap-rework/pseries/phyp_vscsi.c
==============================================================================
--- user/nwhitehorn/ppc64-pmap-rework/pseries/phyp_vscsi.c Tue Feb 24 13:07:31 2015 (r279237)
+++ user/nwhitehorn/ppc64-pmap-rework/pseries/phyp_vscsi.c Tue Feb 24 15:07:09 2015 (r279238)
@@ -931,10 +931,11 @@ vscsi_check_response_queue(struct vscsi_
mtx_assert(&sc->io_lock, MA_OWNED);
- phyp_hcall(H_VIO_SIGNAL, sc->unit, 0);
- bus_dmamap_sync(sc->crq_tag, sc->crq_map, BUS_DMASYNC_POSTREAD);
-
while (sc->crq_queue[sc->cur_crq].valid != 0) {
+ /* The hypercalls at both ends of this are not optimal */
+ phyp_hcall(H_VIO_SIGNAL, sc->unit, 0);
+ bus_dmamap_sync(sc->crq_tag, sc->crq_map, BUS_DMASYNC_POSTREAD);
+
crq = &sc->crq_queue[sc->cur_crq];
switch (crq->valid) {
@@ -983,9 +984,9 @@ vscsi_check_response_queue(struct vscsi_
crq->valid = 0;
sc->cur_crq = (sc->cur_crq + 1) % sc->n_crqs;
- };
- bus_dmamap_sync(sc->crq_tag, sc->crq_map, BUS_DMASYNC_PREWRITE);
- phyp_hcall(H_VIO_SIGNAL, sc->unit, 1);
+ bus_dmamap_sync(sc->crq_tag, sc->crq_map, BUS_DMASYNC_PREWRITE);
+ phyp_hcall(H_VIO_SIGNAL, sc->unit, 1);
+ }
}
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