[src/trunk]: src/sys/arch/xen/xen KNF, white spaces and comment typo fixes.

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

details:   https://anonhg.NetBSD.org/src/rev/6804d4a0b066
branches:  trunk
changeset: 768912:6804d4a0b066
user:      jym <jym%NetBSD.org@localhost>
date:      Sun Aug 28 22:36:17 2011 +0000

description:
KNF, white spaces and comment typo fixes.

diffstat:

 sys/arch/xen/xen/evtchn.c            |  29 +++++++++++++++--------------
 sys/arch/xen/xen/xennetback_xenbus.c |   6 +++---
 2 files changed, 18 insertions(+), 17 deletions(-)

diffs (133 lines):

diff -r 221634b5c61e -r 6804d4a0b066 sys/arch/xen/xen/evtchn.c
--- a/sys/arch/xen/xen/evtchn.c Sun Aug 28 22:30:09 2011 +0000
+++ b/sys/arch/xen/xen/evtchn.c Sun Aug 28 22:36:17 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: evtchn.c,v 1.51 2011/08/13 17:23:42 cherry Exp $       */
+/*     $NetBSD: evtchn.c,v 1.52 2011/08/28 22:36:17 jym Exp $  */
 
 /*
  * Copyright (c) 2006 Manuel Bouyer.
@@ -54,7 +54,7 @@
 
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: evtchn.c,v 1.51 2011/08/13 17:23:42 cherry Exp $");
+__KERNEL_RCSID(0, "$NetBSD: evtchn.c,v 1.52 2011/08/28 22:36:17 jym Exp $");
 
 #include "opt_xen.h"
 #include "isa.h"
@@ -249,7 +249,7 @@
                                        evtch >> LONG_SHIFT,
                                        evtch & LONG_MASK);
 
-               if (evtsource[evtch]->ev_cpu != ci) { 
+               if (evtsource[evtch]->ev_cpu != ci) {
                        /* facilitate spllower() on remote cpu */
                        struct cpu_info *rci = evtsource[evtch]->ev_cpu;
                        if (xen_send_ipi(rci, XEN_IPI_KICK) != 0) {
@@ -257,7 +257,7 @@
                        }
                }
 
-               /* leave masked */                                   
+               /* leave masked */
                return 0;
        }
        ci->ci_ilevel = evtsource[evtch]->ev_maxlevel;
@@ -353,7 +353,7 @@
        evtch_bindcount[evtchn]++;
 
        mutex_spin_exit(&evtchn_lock);
-    
+
        return evtchn;
 }
 
@@ -365,9 +365,9 @@
 
        mutex_spin_enter(&evtchn_lock);
 
-       /* 
-        * XXX: The only per-cpu VIRQ we currently use is VIRQ_TIMER. 
-        * Please re-visit this implementation when others are used. 
+       /*
+        * XXX: The only per-cpu VIRQ we currently use is VIRQ_TIMER.
+        * Please re-visit this implementation when others are used.
         * Note: VIRQ_DEBUG is special-cased, and not used or bound on APs.
         * XXX: event->virq/ipi can be unified in a linked-list
         * implementation.
@@ -381,10 +381,11 @@
 
        if (virq == VIRQ_TIMER) {
                evtchn = virq_timer_to_evtch[ci->ci_cpuid];
-       }
-       else {
+       } else {
                evtchn = virq_to_evtch[virq];
        }
+
+       /* Allocate a channel if there is none already allocated */
        if (evtchn == -1) {
                op.cmd = EVTCHNOP_bind_virq;
                op.u.bind_virq.virq = virq;
@@ -399,7 +400,7 @@
        evtch_bindcount[evtchn]++;
 
        mutex_spin_exit(&evtchn_lock);
-    
+
        return evtchn;
 }
 
@@ -470,7 +471,7 @@
        evtch_bindcount[evtchn]++;
 
        mutex_spin_exit(&evtchn_lock);
-    
+
        return evtchn;
 }
 
@@ -632,13 +633,13 @@
                        panic("can't allocate fixed interrupt source");
 
                evts->ev_handlers = ih;
-               /* 
+               /*
                 * XXX: We're assuming here that ci is the same cpu as
                 * the one on which this event/port is bound on. The
                 * api needs to be reshuffled so that this assumption
                 * is more explicitly implemented.
                 */
-               evts->ev_cpu = ci; 
+               evts->ev_cpu = ci;
                mutex_init(&evtlock[evtch], MUTEX_DEFAULT, IPL_HIGH);
                evtsource[evtch] = evts;
                if (evname)
diff -r 221634b5c61e -r 6804d4a0b066 sys/arch/xen/xen/xennetback_xenbus.c
--- a/sys/arch/xen/xen/xennetback_xenbus.c      Sun Aug 28 22:30:09 2011 +0000
+++ b/sys/arch/xen/xen/xennetback_xenbus.c      Sun Aug 28 22:36:17 2011 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: xennetback_xenbus.c,v 1.46 2011/05/30 14:34:58 joerg Exp $      */
+/*      $NetBSD: xennetback_xenbus.c,v 1.47 2011/08/28 22:36:17 jym Exp $      */
 
 /*
  * Copyright (c) 2006 Manuel Bouyer.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xennetback_xenbus.c,v 1.46 2011/05/30 14:34:58 joerg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xennetback_xenbus.c,v 1.47 2011/08/28 22:36:17 jym Exp $");
 
 #include "opt_xen.h"
 
@@ -933,7 +933,7 @@
         * schedule batch of packets for the domain. To achieve this, we
         * schedule a soft interrupt, and just return. This way, the network
         * stack will enqueue all pending mbufs in the interface's send queue
-        * before it is processed by the soft inetrrupt handler().
+        * before it is processed by the soft interrupt handler().
         */
        softint_schedule(xneti->xni_softintr);
 }