diff options
Diffstat (limited to 'Documentation/s390/CommonIO')
| -rw-r--r-- | Documentation/s390/CommonIO | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/Documentation/s390/CommonIO b/Documentation/s390/CommonIO index d90a5ddb2b07..6e0f63f343b4 100644 --- a/Documentation/s390/CommonIO +++ b/Documentation/s390/CommonIO @@ -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 |