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[src/trunk]: src/sys/dev/hyperv hvn(4): Don't wait forever.



details:   https://anonhg.NetBSD.org/src/rev/4a8bad708573
branches:  trunk
changeset: 1018273:4a8bad708573
user:      nonaka <nonaka%NetBSD.org@localhost>
date:      Fri Jan 29 04:38:49 2021 +0000

description:
hvn(4): Don't wait forever.

diffstat:

 sys/dev/hyperv/if_hvn.c |  15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)

diffs (57 lines):

diff -r 82342ca1b358 -r 4a8bad708573 sys/dev/hyperv/if_hvn.c
--- a/sys/dev/hyperv/if_hvn.c   Fri Jan 29 04:38:34 2021 +0000
+++ b/sys/dev/hyperv/if_hvn.c   Fri Jan 29 04:38:49 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_hvn.c,v 1.19 2020/12/11 08:13:08 nonaka Exp $       */
+/*     $NetBSD: if_hvn.c,v 1.20 2021/01/29 04:38:49 nonaka Exp $       */
 /*     $OpenBSD: if_hvn.c,v 1.39 2018/03/11 14:31:34 mikeb Exp $       */
 
 /*-
@@ -35,7 +35,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_hvn.c,v 1.19 2020/12/11 08:13:08 nonaka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_hvn.c,v 1.20 2021/01/29 04:38:49 nonaka Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -1070,7 +1070,8 @@
                        if (cold)
                                delay(1000);
                        else
-                               tsleep(cmd, PRIBIO, "nvsout", mstohz(1));
+                               tsleep(cmd, PRIBIO, "nvsout",
+                                   uimax(1, mstohz(1)));
                } else if (rv) {
                        DPRINTF("%s: NVSP operation %u send error %d\n",
                            device_xname(sc->sc_dev), hdr->nvs_type, rv);
@@ -1095,7 +1096,7 @@
                        splx(s);
                } else
                        tsleep(sc->sc_nvsrsp, PRIBIO | PCATCH, "nvscmd",
-                           mstohz(1));
+                           uimax(1, mstohz(1)));
        } while (--timo > 0 && sc->sc_nvsdone != 1);
 
        if (timo == 0 && sc->sc_nvsdone != 1) {
@@ -1393,7 +1394,8 @@
                        if (cold)
                                delay(1000);
                        else
-                               tsleep(rc, PRIBIO, "rndisout", mstohz(1));
+                               tsleep(rc, PRIBIO, "rndisout",
+                                   uimax(1, mstohz(1)));
                } else if (rv) {
                        DPRINTF("%s: RNDIS operation %u send error %d\n",
                            device_xname(sc->sc_dev), hdr->rm_type, rv);
@@ -1422,7 +1424,8 @@
                        hvn_nvs_intr(sc);
                        splx(s);
                } else
-                       tsleep(rc, PRIBIO | PCATCH, "rndiscmd", mstohz(1));
+                       tsleep(rc, PRIBIO | PCATCH, "rndiscmd",
+                           uimax(1, mstohz(1)));
        } while (--timo > 0 && rc->rc_done != 1);
 
        bus_dmamap_sync(sc->sc_dmat, rc->rc_dmap, 0, PAGE_SIZE,



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