From: Keir Fraser <keir.fraser@citrix.com>
Date: Wed, 24 Mar 2010 11:14:00 +0000 (+0000)
Subject: Fix incremental access to hypervisor console log
X-Git-Tag: 3.4.3-rc4~13
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=6510508ac4fa5d8c62bd5402f0bbfa5dcd7a8c77;p=people%2Fvhanquez%2Fxen.git

Fix incremental access to hypervisor console log

"xenconsoled --log=hv" outputs duplicated messages to
/var/log/xen/hypervisor.log.

Signed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>
xen-unstable changeset:   21031:c56b885e7deb
xen-unstable date:        Mon Mar 15 13:19:16 2010 +0000
---

diff --git a/xen/drivers/char/console.c b/xen/drivers/char/console.c
index 56eb29d7e..9228de87e 100644
--- a/xen/drivers/char/console.c
+++ b/xen/drivers/char/console.c
@@ -198,7 +198,7 @@ long read_console_ring(struct xen_sysctl_readconsole *op)
     sofar = 0;
 
     c = conringc;
-    if ( op->incremental && ((int32_t)(op->index - c) < 0) )
+    if ( op->incremental && ((int32_t)(op->index - c) > 0) )
         c = op->index;
 
     while ( (c != conringp) && (sofar < max) )