[CRIU] [PATCH 13/15] cpuinfo: Update documentation for --cpu-cap
Cyrill Gorcunov
gorcunov at openvz.org
Fri Sep 19 07:03:15 PDT 2014
Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
Documentation/criu.txt | 20 +++++++++++++++-----
1 file changed, 15 insertions(+), 5 deletions(-)
diff --git a/Documentation/criu.txt b/Documentation/criu.txt
index a1296f9b5bdc..c10093e133c4 100644
--- a/Documentation/criu.txt
+++ b/Documentation/criu.txt
@@ -77,15 +77,25 @@ OPTIONS
done with help of 'post-dump' script.
In other words, do not use it until really needed.
-*--cpu-cap* 'cap'[,'cap']::
+*--cpu-cap* [,'cap']::
When restore process require 'cap' CPU capability to be present. To inverse
capability prefix it with '^'.
- - *fpu*. Requre the CPU to have comaptible FPU. For example the process
- might be dumped with xsave capability but attempted to restore
- without it present on target cpu. In such case we refuse to procceed.
+ - *all*. Require all capabilities. This is *default* mode if *--cpu-cap*
+ is passed without arguments. Most safe mode.
- - *all*. Require all capability. This is *default* mode.
+ - *none*. Require none capabilities. Most dangerous mode when one knows
+ what he is doing, the behaviour is implementation dependent.
+
+ - *cpuinfo*. Require the CPU to have all capabilities match. On *dump* the
+ capabilities are writen into image file and on *restore* they
+ are validated to match ones present on runtime CPU.
+
+ - *fpu*. Requre the CPU to have comaptible FPU. For example the process
+ might be dumped with xsave capability but attempted to restore
+ without it present on target CPU. In such case we refuse to
+ procceed. This is *default* mode if *--cpu-cap* is not present
+ in command line.
*-f*, *--file* 'file'::
This option is valid for the *show* command only and allows one to see the
--
1.9.3
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