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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-06 12:34:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-06 12:34:53 -0700 |
| commit | 2bf1bef0d6c3636353938dd1f183a4522957fc35 (patch) | |
| tree | 3d0aae8c8454e60b0e53f456b7e94127d91f9ccf /Documentation | |
| parent | d7ab7302f970a254997687a1cdede421a5635c68 (diff) | |
| parent | 996b4a7d8f4e5dd531369396f2312b97e9400cdc (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Martin Schwidefsky:
"This is the second batch of s390 patches for the 3.10 merge window.
Heiko improved the memory detection, this fixes kdump for large memory
sizes. Some kvm related memory management work, new ipldev/condev
keywords in cio and bug fixes."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/mem_detect: remove artificial kdump memory types
s390/mm: add pte invalidation notifier for kvm
s390/zcrypt: ap bus rescan problem when toggle crypto adapters on/off
s390/memory hotplug,sclp: get rid of per memory increment usecount
s390/memory hotplug: provide memory_block_size_bytes() function
s390/mem_detect: limit memory detection loop to "mem=" parameter
s390/kdump,bootmem: fix bootmem allocator bitmap size
s390: get rid of odd global real_memory_size
s390/kvm: Change the virtual memory mapping location for Virtio devices
s390/zcore: calculate real memory size using own get_mem_size function
s390/mem_detect: add DAT sanity check
s390/mem_detect: fix lockdep irq tracing
s390/mem_detect: move memory detection code to mm folder
s390/zfcpdump: exploit new cio_ignore keywords
s390/cio: add condev keyword to cio_ignore
s390/cio: add ipldev keyword to cio_ignore
s390/uaccess: add "fallthrough" comments
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/s390/CommonIO | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/Documentation/s390/CommonIO b/Documentation/s390/CommonIO index d378cba66456..6e0f63f343b4 100644 --- a/Documentation/s390/CommonIO +++ b/Documentation/s390/CommonIO @@ -8,9 +8,9 @@ Command line parameters Enable logging of debug information in case of ccw device timeouts. -* cio_ignore = {all} | - {<device> | <range of devices>} | - {!<device> | !<range of devices>} +* cio_ignore = device[,device[,..]] + + 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 @@ -24,8 +24,10 @@ 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 '!' operator will cause the I/O-layer to _not_ ignore a device. + 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, |