[Xen-changelog] [qemu-xen master] docs/tracing.txt: Update documentation of default backend

[patchbot@xxxxxxx]

commit 3b0fc80dd8ed9bd1ac738898e4fbd70c4a618925
Author:     Peter Maydell <peter.maydell@xxxxxxxxxx>
AuthorDate: Fri Nov 4 16:27:17 2016 +0000
Commit:     Stefan Hajnoczi <stefanha@xxxxxxxxxx>
CommitDate: Tue Nov 8 18:16:48 2016 +0000

    docs/tracing.txt: Update documentation of default backend
    
    In commit baf86d6b3c we switched the default trace backend from "nop"
    to "log". Update the documentation to match.
    
    Signed-off-by: Peter Maydell <peter.maydell@xxxxxxxxxx>
    Message-id: 1478276837-31780-1-git-send-email-peter.maydell@xxxxxxxxxx
    Signed-off-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
---
 docs/tracing.txt | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/docs/tracing.txt b/docs/tracing.txt
index e62444c..f351998a 100644
--- a/docs/tracing.txt
+++ b/docs/tracing.txt
@@ -150,13 +150,16 @@ The trace backends are chosen at configure time:
 For a list of supported trace backends, try ./configure --help or see below.
 If multiple backends are enabled, the trace is sent to them all.
 
+If no backends are explicitly selected, configure will default to the
+"log" backend.
+
 The following subsections describe the supported trace backends.
 
 === Nop ===
 
 The "nop" backend generates empty trace event functions so that the compiler
-can optimize out trace events completely.  This is the default and imposes no
-performance penalty.
+can optimize out trace events completely.  This imposes no performance
+penalty.
 
 Note that regardless of the selected trace backend, events with the "disable"
 property will be generated with the "nop" backend.
--
generated by git-patchbot for /home/xen/git/qemu-xen.git#master

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