From: Keir Fraser <keir.fraser@citrix.com>
Date: Tue, 6 May 2008 15:35:44 +0000 (+0100)
Subject: minios: drop volatile qualifier from some status variables
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~14215^2~61
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22Dat/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22Dat?a=commitdiff_plain;h=de6ab86c4021fe7f1c1263477066c62b131d99ea;p=xen.git

minios: drop volatile qualifier from some status variables
since we already use memory barriers as approriate to prevent
concurrent access with event handlers.

Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
---

diff --git a/extras/mini-os/include/lib.h b/extras/mini-os/include/lib.h
index 96e17ecd4c..0acb0fc4e2 100644
--- a/extras/mini-os/include/lib.h
+++ b/extras/mini-os/include/lib.h
@@ -162,7 +162,7 @@ extern struct file {
              * wakes select for this FD. */
             struct {
                 evtchn_port_t port;
-                volatile unsigned long pending;
+                unsigned long pending;
                 int bound;
             } ports[MAX_EVTCHN_PORTS];
 	} evtchn;
@@ -181,7 +181,7 @@ extern struct file {
             xenbus_event_queue events;
         } xenbus;
     };
-    volatile int read;	/* maybe available for read */
+    int read;	/* maybe available for read */
 } files[];
 
 int alloc_fd(enum fd_type type);