- 27 7月, 2007 1 次提交
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由 Cornelia Huck 提交于
- Remove unneeded messages. - Move some messages into the debug feature. - Use dev_* where appropriate. - Use "cio: " prefix consistently. Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 17 7月, 2007 1 次提交
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由 Cornelia Huck 提交于
Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 31 5月, 2007 1 次提交
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由 Cornelia Huck 提交于
We can't deregister disconnected and orphaned devices directly from the online attribute's store method, but must take a detour. Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 10 5月, 2007 1 次提交
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由 Cornelia Huck 提交于
Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 28 4月, 2007 1 次提交
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由 Cornelia Huck 提交于
We often have the situation that we register a subchannel and start device recognition, only to find out that the device is not usable after all, which triggers an unregister of the subchannel. This often happens on hundreds of subchannels on a LPAR, leading to a storm of events which aren't of any use. Therefore, use uevent_suppress to delay the KOBJ_ADD uevent for a subchannel until we know that its ccw_device is to be registered. Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Eric Rannaud <eric.rannaud@gmail.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 27 4月, 2007 5 次提交
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由 Cornelia Huck 提交于
We used to unregister ccw devices not directly from the I/O subchannel remove function in order to avoid lifelocks on the css bus semaphore. This semaphore is gone, and there is no reason to not unregister the ccw device directly (it is even better since it is more in keeping with the goal of immediate disconnect). Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Cornelia Huck 提交于
Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Peter Oberparleiter 提交于
Ensure that channel-path related subchannel data is only retrieved and used when it is valid and that it is updated when it may have changed. Signed-off-by: NPeter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Cornelia Huck 提交于
Convert ccw_uevent to use add_uevent_var and adapt snprint_alias. Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Cornelia Huck 提交于
Detangle the online_store code and make it more readable. Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 06 2月, 2007 3 次提交
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由 Heiko Carstens 提交于
Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Cornelia Huck 提交于
Since ssd_info is now available before the subchannel is registered, we don't need to check whether it is available. Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Heiko Carstens 提交于
Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 08 12月, 2006 5 次提交
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由 Cornelia Huck 提交于
Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Cornelia Huck 提交于
- create a 'pseudo_subchannel' per channel subsystem (the 'orphanage') - use the orphanage as a shelter for ccw_devices that can't remain on the same subchannel Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Cornelia Huck 提交于
Convert the subchannel lock to a pointer to a lock. Needed for the dynamic subchannel mapping patch. Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Cornelia Huck 提交于
- Move adding subchannel attributes to css_register_subchannel(). - Don't call device_trigger_reprobe() for non-operational devices. - Introduce io_subchannel_create_ccwdev(). Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Martin Schwidefsky 提交于
Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 04 12月, 2006 2 次提交
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由 Cornelia Huck 提交于
In io_subchannel_register(), it is better to just reprobe the current device if it hasn't a driver yet than to rescan the whole bus. Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Cornelia Huck 提交于
If I/O was running on a just varied off chpid, it will be terminated. If this was a common I/O layer internal I/O, it needs to be retried. Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 27 10月, 2006 1 次提交
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由 Cornelia Huck 提交于
ccw_device_register() is only called from io_subchannel_register() and io_subchannel_probe() and will never be called for possible non-io subchannels. Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 11 10月, 2006 2 次提交
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由 Cornelia Huck 提交于
Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Cornelia Huck 提交于
Use the proper structures to identify device and subchannel. Change get_disc_ccwdev_by_devno() to get_disc_ccwdev_by_dev_id(). Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 20 9月, 2006 1 次提交
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由 Peter Oberparleiter 提交于
Add the MODALIAS environment variable for ccw bus uevents. Signed-off-by: NPeter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 30 8月, 2006 1 次提交
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由 Heiko Carstens 提交于
Use different kind of assignment to make sure gcc doesn't create code that creates temp variables on the stack, assigns values to it and copies the content of the whole temp variable to the destination. This reduces stack usage of e.g. ccwgroup_driver_register from 976 to 48 bytes instead. Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 12 7月, 2006 2 次提交
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由 Heiko Carstens 提交于
Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Cornelia Huck 提交于
Add a reg_mutex to prevent unregistering a subchannel before it has been registered. Since 2.6.17, we've seen oopses in kslowcrw when a device is found to be not operational during sense id when doing initial device recognition; it is not clear yet why that particular problem was not (yet) observed with earlier kernels... Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 01 7月, 2006 1 次提交
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由 Jörn Engel 提交于
Signed-off-by: NJörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: NAdrian Bunk <bunk@stusta.de>
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- 29 6月, 2006 1 次提交
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由 Peter Oberparleiter 提交于
Changes in the DASD driver require an asynchronous implementation of the subchannel reprobe loop. This loop was so far only used by the blacklisting mechanism but is now available to all CCW device drivers. Signed-off-by: NPeter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 24 3月, 2006 1 次提交
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由 Eric Sesterhenn 提交于
Convert all kmalloc + memset sequences in drivers/s390 to kzalloc usage. Signed-off-by: NEric Sesterhenn <snakebyte@gmx.de> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 18 2月, 2006 1 次提交
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由 Cornelia Huck 提交于
Fix assignment instead of check in ccw_device_set_online(). Also remove unneeded assignment in ccw_device_do_sense(). Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 02 2月, 2006 3 次提交
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由 Cornelia Huck 提交于
Fix modalias for ccw devices: cu_type should be in capitals as well. Signed-off-by: NCornelia Huck <cohuck@de.ibm.com> Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Peter Oberparleiter 提交于
The return code of ccw_device_probe_console() is not properly handled. It should only return a valid ccw device pointer or a error value converted by ERR_PTR. Fix the console driver code to check with IS_ERR instead against NULL. Signed-off-by: NPeter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Heiko Carstens 提交于
- Remove all CVS generated information like e.g. revision IDs from drivers/s390 and include/asm-s390 (none present in arch/s390). - Add newline at end of arch/s390/lib/Makefile to avoid diff message. Acked-by: NAndreas Herrmann <aherrman@de.ibm.com> Acked-by: NFrank Pavlic <pavlic@de.ibm.com> Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 15 1月, 2006 1 次提交
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由 Cornelia Huck 提交于
Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 14 1月, 2006 1 次提交
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由 Cornelia Huck 提交于
The following patch converts css_bus_type and ccw_bus_type to use the new bus_type methods. Signed-off-by: NCornelia Huck <huckc@de.ibm.com> CC: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 07 1月, 2006 4 次提交
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由 Cornelia Huck 提交于
Add support for multiple subchannel sets. Works with arbitrary devices in subchannel set 1 and is transparent to device drivers. Although currently only two subchannel sets are available, this will work with the architectured maximum number of subchannel sets as well. Signed-off-by: NCornelia Huck <cohuck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Cornelia Huck 提交于
struct channel_subsystem encapsulates several per channel subsystem properties, like status of chpids or the global path group id. Signed-off-by: NCornelia Huck <cohuck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Cornelia Huck 提交于
This patch introduces a struct subchannel_id containing the subchannel number (formerly referred to as "irq") and switches code formerly relying on the subchannel number over to it. While we're touching inline assemblies anyway, make sure they have correct memory constraints. Signed-off-by: NCornelia Huck <cohuck@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Martin Schwidefsky 提交于
Hugh Dickins <hugh@veritas.com> Fix the broken atomic_cmpxchg primitive. Add atomic_sub_and_test, atomic64_sub_return, atomic64_sub_and_test, atomic64_cmpxchg, atomic64_add_unless and atomic64_inc_not_zero. Replace old style atomic_compare_and_swap by atomic_cmpxchg. Shorten the whole header by defining most primitives with the two inline functions atomic_add_return and atomic_sub_return. In addition this patch contains the s390 related fixes of Hugh's "mm: fill arch atomic64 gaps" patch. Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NHugh Dickins <hugh@veritas.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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