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[Qemu-devel] [PATCH] qemu-options.hx: Improve -{read|write}config option


From: Pavel Hrdina
Subject: [Qemu-devel] [PATCH] qemu-options.hx: Improve -{read|write}config options description
Date: Mon, 16 Jul 2012 15:54:40 +0200

From: Michal Novotny <address@hidden>

This is the patch to improve description for -{read|write}config
functions.

Signed-off-by: Michal Novotny <address@hidden>
---
 qemu-options.hx |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/qemu-options.hx b/qemu-options.hx
index e15252e..97245a3 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -2713,7 +2713,9 @@ DEF("readconfig", HAS_ARG, QEMU_OPTION_readconfig,
 STEXI
 @item -readconfig @var{file}
 @findex -readconfig
-Read device configuration from @var{file}.
+Read device configuration from @var{file}. This approach is useful when you 
want to spawn
+QEMU process with many command line options but you don't want to exceed the 
command line
+character limit.
 ETEXI
 DEF("writeconfig", HAS_ARG, QEMU_OPTION_writeconfig,
     "-writeconfig <file>\n"
@@ -2721,7 +2723,9 @@ DEF("writeconfig", HAS_ARG, QEMU_OPTION_writeconfig,
 STEXI
 @item -writeconfig @var{file}
 @findex -writeconfig
-Write device configuration to @var{file}.
+Write device configuration to @var{file}. The @var{file} can be either 
filename to save
+command line and device configuration into file or dash @code{-}) character to 
print the
+output to stdout. This can be later used as input file for @code{-readconfig} 
option.
 ETEXI
 DEF("nodefconfig", 0, QEMU_OPTION_nodefconfig,
     "-nodefconfig\n"
-- 
1.7.10.4




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