[src/netbsd-9]: src/sys Pull up following revision(s) (requested by knakahara...

[martin <martin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f783b4a9547e
branches:  netbsd-9
changeset: 460713:f783b4a9547e
user:      martin <martin%NetBSD.org@localhost>
date:      Fri Nov 01 09:34:27 2019 +0000

description:
Pull up following revision(s) (requested by knakahara in ticket #387):

        sys/net/if_gre.c: revision 1.176
        sys/net/if_l2tp.c: revision 1.40
        sys/dev/pci/ixgbe/ix_txrx.c: revision 1.56
        sys/net/if_tap.c: revision 1.114

Fix missing kpreempt_disable() before softint_schedule() like if_vmx.c:r1.51.

diffstat:

 sys/dev/pci/ixgbe/ix_txrx.c |   7 +++++--
 sys/net/if_gre.c            |   9 ++++++---
 sys/net/if_l2tp.c           |   6 ++++--
 sys/net/if_tap.c            |  14 ++++++++++----
 4 files changed, 25 insertions(+), 11 deletions(-)

diffs (125 lines):

diff -r 49327a8b26e7 -r f783b4a9547e sys/dev/pci/ixgbe/ix_txrx.c
--- a/sys/dev/pci/ixgbe/ix_txrx.c       Fri Nov 01 09:32:21 2019 +0000
+++ b/sys/dev/pci/ixgbe/ix_txrx.c       Fri Nov 01 09:34:27 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ix_txrx.c,v 1.54.2.1 2019/09/05 09:11:03 martin Exp $ */
+/* $NetBSD: ix_txrx.c,v 1.54.2.2 2019/11/01 09:34:27 martin Exp $ */
 
 /******************************************************************************
 
@@ -266,8 +266,11 @@
                                    &txr->wq_cookie, curcpu());
                        } else
                                percpu_putref(adapter->txr_wq_enqueued);
-               } else
+               } else {
+                       kpreempt_disable();
                        softint_schedule(txr->txr_si);
+                       kpreempt_enable();
+               }
        }
 
        return (0);
diff -r 49327a8b26e7 -r f783b4a9547e sys/net/if_gre.c
--- a/sys/net/if_gre.c  Fri Nov 01 09:32:21 2019 +0000
+++ b/sys/net/if_gre.c  Fri Nov 01 09:34:27 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_gre.c,v 1.175 2019/04/26 11:51:56 pgoyette Exp $ */
+/*     $NetBSD: if_gre.c,v 1.175.2.1 2019/11/01 09:34:27 martin Exp $ */
 
 /*
  * Copyright (c) 1998, 2008 The NetBSD Foundation, Inc.
@@ -45,7 +45,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_gre.c,v 1.175 2019/04/26 11:51:56 pgoyette Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_gre.c,v 1.175.2.1 2019/11/01 09:34:27 martin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_atalk.h"
@@ -964,8 +964,11 @@
        if ((error = gre_bufq_enqueue(&sc->sc_snd, m)) != 0) {
                sc->sc_oflow_ev.ev_count++;
                m_freem(m);
-       } else
+       } else {
+               kpreempt_disable();
                softint_schedule(sc->sc_si);
+               kpreempt_enable();
+       }
 
 end:
        if (error)
diff -r 49327a8b26e7 -r f783b4a9547e sys/net/if_l2tp.c
--- a/sys/net/if_l2tp.c Fri Nov 01 09:32:21 2019 +0000
+++ b/sys/net/if_l2tp.c Fri Nov 01 09:34:27 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_l2tp.c,v 1.35.2.1 2019/09/24 03:10:35 martin Exp $  */
+/*     $NetBSD: if_l2tp.c,v 1.35.2.2 2019/11/01 09:34:27 martin Exp $  */
 
 /*
  * Copyright (c) 2017 Internet Initiative Japan Inc.
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_l2tp.c,v 1.35.2.1 2019/09/24 03:10:35 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_l2tp.c,v 1.35.2.2 2019/11/01 09:34:27 martin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -655,7 +655,9 @@
        if (var->lv_psrc == NULL || var->lv_pdst == NULL)
                return;
 
+       kpreempt_disable();
        softint_schedule(sc->l2tp_si);
+       kpreempt_enable();
        l2tp_putref_variant(var, &psref);
 }
 
diff -r 49327a8b26e7 -r f783b4a9547e sys/net/if_tap.c
--- a/sys/net/if_tap.c  Fri Nov 01 09:32:21 2019 +0000
+++ b/sys/net/if_tap.c  Fri Nov 01 09:34:27 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_tap.c,v 1.113 2019/05/29 10:07:30 msaitoh Exp $     */
+/*     $NetBSD: if_tap.c,v 1.113.2.1 2019/11/01 09:34:27 martin Exp $  */
 
 /*
  *  Copyright (c) 2003, 2004, 2008, 2009 The NetBSD Foundation.
@@ -33,7 +33,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_tap.c,v 1.113 2019/05/29 10:07:30 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_tap.c,v 1.113.2.1 2019/11/01 09:34:27 martin Exp $");
 
 #if defined(_KERNEL_OPT)
 
@@ -533,8 +533,11 @@
                ifp->if_flags |= IFF_OACTIVE;
                cv_broadcast(&sc->sc_cv);
                selnotify(&sc->sc_rsel, 0, 1);
-               if (sc->sc_flags & TAP_ASYNCIO)
+               if (sc->sc_flags & TAP_ASYNCIO) {
+                       kpreempt_disable();
                        softint_schedule(sc->sc_sih);
+                       kpreempt_enable();
+               }
        }
 done:
        mutex_exit(&sc->sc_lock);
@@ -643,8 +646,11 @@
        ifp->if_flags &= ~IFF_RUNNING;
        cv_broadcast(&sc->sc_cv);
        selnotify(&sc->sc_rsel, 0, 1);
-       if (sc->sc_flags & TAP_ASYNCIO)
+       if (sc->sc_flags & TAP_ASYNCIO) {
+               kpreempt_disable();
                softint_schedule(sc->sc_sih);
+               kpreempt_enable();
+       }
        mutex_exit(&sc->sc_lock);
 }