[RFC PATCH V4 02/18] Clean up trailing whitespaces

[Wei Liu <wei.liu2@citrix.com>]

Affected files:
* event_channel.c
* sched.h
* event.h
* xen.h

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
 xen/common/event_channel.c |   16 ++++++++--------
 xen/include/public/xen.h   |   22 +++++++++++-----------
 xen/include/xen/event.h    |    4 ++--
 xen/include/xen/sched.h    |    6 +++---
 4 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/xen/common/event_channel.c b/xen/common/event_channel.c
index a0f293f..dabfa9e 100644
--- a/xen/common/event_channel.c
+++ b/xen/common/event_channel.c
@@ -1,15 +1,15 @@
 /******************************************************************************
  * event_channel.c
- * 
+ *
  * Event notifications from VIRQs, PIRQs, and other domains.
- * 
+ *
  * Copyright (c) 2003-2006, K A Fraser.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
@@ -238,7 +238,7 @@ static long evtchn_bind_interdomain(evtchn_bind_interdomain_t *bind)
     lchn->u.interdomain.remote_dom  = rd;
     lchn->u.interdomain.remote_port = (u16)rport;
     lchn->state                     = ECS_INTERDOMAIN;
-    
+
     rchn->u.interdomain.remote_dom  = ld;
     rchn->u.interdomain.remote_port = (u16)lport;
     rchn->state                     = ECS_INTERDOMAIN;
@@ -255,7 +255,7 @@ static long evtchn_bind_interdomain(evtchn_bind_interdomain_t *bind)
     spin_unlock(&ld->event_lock);
     if ( ld != rd )
         spin_unlock(&rd->event_lock);
-    
+
     rcu_unlock_domain(rd);
 
     return rc;
@@ -633,7 +633,7 @@ static void evtchn_set_pending(struct vcpu *v, int port)
     {
         vcpu_mark_events_pending(v);
     }
-    
+
     /* Check if some VCPU might be polling for this event. */
     if ( likely(bitmap_empty(d->poll_mask, d->max_vcpus)) )
         return;
@@ -930,7 +930,7 @@ int evtchn_unmask(unsigned int port)
 
     /*
      * These operations must happen in strict order. Based on
-     * include/xen/event.h:evtchn_set_pending(). 
+     * include/xen/event.h:evtchn_set_pending().
      */
     if ( test_and_clear_bit(port, &shared_info(d, evtchn_mask)) &&
          test_bit          (port, &shared_info(d, evtchn_pending)) &&
diff --git a/xen/include/public/xen.h b/xen/include/public/xen.h
index e9431e2..ba9e1ab 100644
--- a/xen/include/public/xen.h
+++ b/xen/include/public/xen.h
@@ -1,8 +1,8 @@
 /******************************************************************************
  * xen.h
- * 
+ *
  * Guest OS interface to Xen.
- * 
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to
  * deal in the Software without restriction, including without limitation the
@@ -137,11 +137,11 @@ DEFINE_XEN_GUEST_HANDLE(xen_ulong_t);
 #define __HYPERVISOR_dom0_op __HYPERVISOR_platform_op
 #endif
 
-/* 
+/*
  * VIRTUAL INTERRUPTS
- * 
+ *
  * Virtual interrupts that a guest OS may receive from Xen.
- * 
+ *
  * In the side comments, 'V.' denotes a per-VCPU VIRQ while 'G.' denotes a
  * global VIRQ. The former can be bound once per VCPU and cannot be re-bound.
  * The latter can be allocated only once per guest: they must initially be
@@ -190,7 +190,7 @@ DEFINE_XEN_GUEST_HANDLE(xen_ulong_t);
  *                     (x) encodes the PFD as follows:
  *                     x == 0 => PFD == DOMID_SELF
  *                     x != 0 => PFD == x - 1
- * 
+ *
  * Sub-commands: ptr[1:0] specifies the appropriate MMU_* command.
  * -------------
  * ptr[1:0] == MMU_NORMAL_PT_UPDATE:
@@ -236,13 +236,13 @@ DEFINE_XEN_GUEST_HANDLE(xen_ulong_t);
  * To deallocate the pages, the operations are the reverse of the steps
  * mentioned above. The argument is MMUEXT_UNPIN_TABLE for all levels and the
  * pagetable MUST not be in use (meaning that the cr3 is not set to it).
- * 
+ *
  * ptr[1:0] == MMU_MACHPHYS_UPDATE:
  * Updates an entry in the machine->pseudo-physical mapping table.
  * ptr[:2]  -- Machine address within the frame whose mapping to modify.
  *             The frame must belong to the FD, if one is specified.
  * val      -- Value to write into the mapping entry.
- * 
+ *
  * ptr[1:0] == MMU_PT_UPDATE_PRESERVE_AD:
  * As MMU_NORMAL_PT_UPDATE above, but A/D bits currently in the PTE are ORed
  * with those in @val.
@@ -588,7 +588,7 @@ typedef struct vcpu_time_info vcpu_time_info_t;
 struct vcpu_info {
     /*
      * 'evtchn_upcall_pending' is written non-zero by Xen to indicate
-     * a pending notification for a particular VCPU. It is then cleared 
+     * a pending notification for a particular VCPU. It is then cleared
      * by the guest OS /before/ checking for pending work, thus avoiding
      * a set-and-check race. Note that the mask is only accessed by Xen
      * on the CPU that is currently hosting the VCPU. This means that the
@@ -646,7 +646,7 @@ struct shared_info {
      *  3. Virtual interrupts ('events'). A domain can bind an event-channel
      *     port to a virtual interrupt source, such as the virtual-timer
      *     device or the emergency console.
-     * 
+     *
      * Event channels are addressed by a "port index". Each channel is
      * associated with two bits of information:
      *  1. PENDING -- notifies the domain that there is a pending notification
@@ -657,7 +657,7 @@ struct shared_info {
      *     becomes pending while the channel is masked then the 'edge' is lost
      *     (i.e., when the channel is unmasked, the guest must manually handle
      *     pending notifications as no upcall will be scheduled by Xen).
-     * 
+     *
      * To expedite scanning of pending notifications, any 0->1 pending
      * transition on an unmasked channel causes a corresponding bit in a
      * per-vcpu selector word to be set. Each bit in the selector covers a
diff --git a/xen/include/xen/event.h b/xen/include/xen/event.h
index 71c3e92..65ac81a 100644
--- a/xen/include/xen/event.h
+++ b/xen/include/xen/event.h
@@ -1,8 +1,8 @@
 /******************************************************************************
  * event.h
- * 
+ *
  * A nice interface for passing asynchronous events to guest OSes.
- * 
+ *
  * Copyright (c) 2002-2006, K A Fraser
  */
 
diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h
index ccd0496..ae3cd07 100644
--- a/xen/include/xen/sched.h
+++ b/xen/include/xen/sched.h
@@ -92,7 +92,7 @@ void evtchn_destroy_final(struct domain *d); /* from complete_domain_destroy */
 
 struct waitqueue_vcpu;
 
-struct vcpu 
+struct vcpu
 {
     int              vcpu_id;
 
@@ -453,7 +453,7 @@ struct domain *domain_create(
 /*
  * rcu_lock_domain_by_id() is more efficient than get_domain_by_id().
  * This is the preferred function if the returned domain reference
- * is short lived,  but it cannot be used if the domain reference needs 
+ * is short lived,  but it cannot be used if the domain reference needs
  * to be kept beyond the current scope (e.g., across a softirq).
  * The returned domain reference must be discarded using rcu_unlock_domain().
  */
@@ -574,7 +574,7 @@ void sync_local_execstate(void);
  * sync_vcpu_execstate() will switch and commit @prev's state.
  */
 void context_switch(
-    struct vcpu *prev, 
+    struct vcpu *prev,
     struct vcpu *next);
 
 /*
-- 
1.7.10.4