Commit d45387d8bce2674fd21369a394933a02b8125878

Authored by Cornelia Huck
Committed by Martin Schwidefsky
1 parent ecf5d9ef68

[S390] cio: Update cio_ignore documentation.

Add documentation for the new "purge" cio_ignore parameter.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

Showing 1 changed file with 7 additions and 1 deletions Side-by-side Diff

Documentation/s390/CommonIO
... ... @@ -70,12 +70,18 @@
70 70  
71 71 Note: While already known devices can be added to the list of devices to be
72 72 ignored, there will be no effect on then. However, if such a device
73   - disappears and then reappears, it will then be ignored.
  73 + disappears and then reappears, it will then be ignored. To make
  74 + known devices go away, you need the "purge" command (see below).
74 75  
75 76 For example,
76 77 "echo add 0.0.a000-0.0.accc, 0.0.af00-0.0.afff > /proc/cio_ignore"
77 78 will add 0.0.a000-0.0.accc and 0.0.af00-0.0.afff to the list of ignored
78 79 devices.
  80 +
  81 + You can remove already known but now ignored devices via
  82 + "echo purge > /proc/cio_ignore"
  83 + All devices ignored but still registered and not online (= not in use)
  84 + will be deregistered and thus removed from the system.
79 85  
80 86 The devices can be specified either by bus id (0.x.abcd) or, for 2.4 backward
81 87 compatibility, by the device number in hexadecimal (0xabcd or abcd). Device