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Re: [Qemu-devel] [PATCH 1/1] doc: document chardev option 'append'
From: |
Dmitry Mishin |
Subject: |
Re: [Qemu-devel] [PATCH 1/1] doc: document chardev option 'append' |
Date: |
Tue, 22 Dec 2015 09:48:23 +0000 |
User-agent: |
Microsoft-MacOutlook/14.5.9.151119 |
On 22/12/15 12:43, "Denis V. Lunev" <address@hidden> wrote:
> commit 31e38a22a0c5a25646f966f001e1f5513d5a186d
> Author: Olga Krishtal <address@hidden>
> Date: Fri Dec 4 09:42:04 2015 +0300
>
> qemu-char: append opt to stop truncation of serial file
>
>has added the option to the runtime but does not added it to -help
>output. This blocks libvirt from using it.
>
>Signed-off-by: Denis V. Lunev <address@hidden>
>CC: Dmitry Mishin <address@hidden>
>CC: Eric Blake <address@hidden>
>CC: Markus Armbruster <address@hidden>
>CC: Paolo Bonzini <address@hidden>
>---
> qemu-options.hx | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
>diff --git a/qemu-options.hx b/qemu-options.hx
>index 49afe6c..f706e4a 100644
>--- a/qemu-options.hx
>+++ b/qemu-options.hx
>@@ -2044,7 +2044,7 @@ DEF("chardev", HAS_ARG, QEMU_OPTION_chardev,
> "-chardev
>vc,id=id[[,width=width][,height=height]][[,cols=cols][,rows=rows]]\n"
> " [,mux=on|off]\n"
> "-chardev ringbuf,id=id[,size=size]\n"
>- "-chardev file,id=id,path=path[,mux=on|off]\n"
>+ "-chardev file,id=id,path=path[,mux=on|off][,append=on|off]\n"
> "-chardev pipe,id=id,path=path[,mux=on|off]\n"
> #ifdef _WIN32
> "-chardev console,id=id[,mux=on|off]\n"
>@@ -2199,7 +2199,7 @@ console with the given dimensions.
> Create a ring buffer with fixed size @option{size}.
> @var{size} must be a power of two, and defaults to @code{64K}).
>
>address@hidden -chardev file ,address@hidden ,address@hidden
>address@hidden -chardev file ,address@hidden ,address@hidden
>[,address@hidden|off}]
>
> Log all traffic received from the guest to a file.
>
>@@ -2207,6 +2207,9 @@ Log all traffic received from the guest to a file.
> created if it does not already exist, and overwritten if it does.
>@option{path}
> is required.
>
>address@hidden specifies that QEMU must truncate the file on open.
>address@hidden is optional, default value is on.
According to code, default value is off.
>+
> @item -chardev pipe ,address@hidden ,address@hidden
>
> Create a two-way connection to the guest. The behaviour differs slightly
>between
>--
>2.5.0
>