diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-11 08:50:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-11 08:50:01 -0700 |
| commit | 37d9869ed928268409b48f52c57449918c0fd307 (patch) | |
| tree | 7dd954260d723d1e0716b6432ba07b5c7be7f2ac /Documentation | |
| parent | 098ef215b1e87cff51f983bae4e4e1358b932ec9 (diff) | |
| parent | 89d49841e9e7a90b04b036b7dbe7521b55edbe24 (diff) | |
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: (27 commits)
[S390] Fix checkstack for s390
[S390] fix initialization of stp
[S390] 3215: Remove tasklet.
[S390] console flush on panic / reboot
[S390] introduce dirty bit for kvm live migration
[S390] Add ioctl support for EMC Symmetrix Subsystem Control I/O
[S390] xpram: per device block request queues.
[S390] dasd: fix message flood for unsolicited interrupts
[S390] Move private simple udelay function to arch/s390/lib/delay.c.
[S390] dcssblk: add >2G DCSSs support and stacked contiguous DCSSs support.
[S390] ptrace changes
[S390] s390: use sys_pause for 31bit pause entry point
[S390] qdio enhanced SIGA (iqdio) support.
[S390] cio: fix cio_tpi.
[S390] cio: Correct use of ! and &
[S390] cio: inline assembly cleanup
[S390] bus_id -> dev_set_name() for css and ccw busses
[S390] bus_id ->dev_name() conversions in qdio
[S390] Use s390_root_dev_* in kvm_virtio.
[S390] more bus_id -> dev_name conversions
...
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/s390/CommonIO | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/Documentation/s390/CommonIO b/Documentation/s390/CommonIO index bf0baa19ec2..339207d11d9 100644 --- a/Documentation/s390/CommonIO +++ b/Documentation/s390/CommonIO @@ -70,13 +70,19 @@ Command line parameters Note: While already known devices can be added to the list of devices to be ignored, there will be no effect on then. However, if such a device - disappears and then reappears, it will then be ignored. + disappears and then reappears, it will then be ignored. To make + known devices go away, you need the "purge" command (see below). For example, "echo add 0.0.a000-0.0.accc, 0.0.af00-0.0.afff > /proc/cio_ignore" will add 0.0.a000-0.0.accc and 0.0.af00-0.0.afff to the list of ignored devices. + You can remove already known but now ignored devices via + "echo purge > /proc/cio_ignore" + All devices ignored but still registered and not online (= not in use) + will be deregistered and thus removed from the system. + The devices can be specified either by bus id (0.x.abcd) or, for 2.4 backward compatibility, by the device number in hexadecimal (0xabcd or abcd). Device numbers given as 0xabcd will be interpreted as 0.0.abcd. @@ -98,8 +104,7 @@ debugfs entries handling). - /sys/kernel/debug/s390dbf/cio_msg/sprintf - Various debug messages from the common I/O-layer, including messages - printed when cio_msg=yes. + Various debug messages from the common I/O-layer. - /sys/kernel/debug/s390dbf/cio_trace/hex_ascii Logs the calling of functions in the common I/O-layer and, if applicable, |