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s390/cio: add condev keyword to cio_ignore

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Provide a 'condev' keyword to cio_ignore to (un)ignore the
CCW console device.

Reviewed-by: Peter Oberparleiter <[email protected]>
Signed-off-by: Sebastian Ott <[email protected]>
Signed-off-by: Martin Schwidefsky <[email protected]>
This commit is contained in:
Sebastian Ott 2013-04-30 17:17:34 +02:00 • committed by Martin Schwidefsky
commit d1eb16e64f
2 changed files with 13 additions and 5 deletions
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11
Documentation/s390/CommonIO
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@ -10,7 +10,7 @@ Command line parameters
* cio_ignore = device[,device[,..]]
device := {all | [!]ipldev | [!]<devno> | [!]<devno>-<devno>}
device := {all | [!]ipldev | [!]condev | [!]<devno> | [!]<devno>-<devno>}
The given devices will be ignored by the common I/O-layer; no detection
and device sensing will be done on any of those devices. The subchannel to
@ -24,10 +24,11 @@ Command line parameters
device numbers (0xabcd or abcd, for 2.4 backward compatibility). If you
give a device number 0xabcd, it will be interpreted as 0.0.abcd.
You can use the 'all' keyword to ignore all devices. The 'ipldev' keyword can
be used to refer to the CCW based boot device (this is probably useful only
when combined with the '!' operator). The '!' operator will cause the I/O-layer
to _not_ ignore a device. The command line is parsed from left to right.
You can use the 'all' keyword to ignore all devices. The 'ipldev' and 'condev'
keywords can be used to refer to the CCW based boot device and CCW console
device respectively (these are probably useful only when combined with the '!'
operator). The '!' operator will cause the I/O-layer to _not_ ignore a device.
The command line is parsed from left to right.
For example,
cio_ignore=0.0.0023-0.0.0042,0.0.4711