[08/12] x86: cpu -- Add more detailed mode description

Submitted by Cyrill Gorcunov on Aug. 30, 2018, 11 a.m.


Message ID 20180830110027.12706-9-gorcunov@gmail.com
State Accepted
Series "x86: cpu -- Rework feature testing"
Headers show

Commit Message

Cyrill Gorcunov Aug. 30, 2018, 11 a.m.
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Reviewed-by: Dmitry Safonov <0x7f454c46@gmaill.com>
 Documentation/criu.txt | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

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diff --git a/Documentation/criu.txt b/Documentation/criu.txt
index 6bb3f0f5d8c5..4fc623b2097d 100644
--- a/Documentation/criu.txt
+++ b/Documentation/criu.txt
@@ -312,9 +312,17 @@  exists as a built-in one: *criu* can either *merge* or *replace* such.
 *--cpu-cap* ['cap'[,'cap'...]]::
     Specify CPU capabilities to write to an image file. The argument is a
-    comma-separated list of *none*, *fpu*, *cpu*, *ins*, *all*. If the
-    argument is omitted or set to *none*, capabilities will not be written,
-    which is the default behavior.
+    comma-separated list of:
+    - *none* to ignore capabilities at all; the image will not be produced
+      on dump, neither any check performed on restore;
+    - *fpu* to check if FPU module is compatible;
+    - *ins* to check if CPU supports all instructions required;
+    - *cpu* to check if CPU capabilities are exactly matching;
+    - *all* for all above set.
+By default the option is set to the combination of *fpu* and *cpu*.
 *--cgroup-root* ['controller':]/'newroot'::
     Change the root for the controller that will be dumped. By default, *criu*