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- 09 Dec, 2006 4 commits
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Ralf Baechle authored
Signed-off-by:
Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Adrian Bunk authored
This patch adds a missing error check spotted by the Coverity checker. Signed-off-by:
Adrian Bunk <bunk@stusta.de> Acked-by:
Jeff Garzik <jgarzik@pobox.com> Acked-by:
Michael Chan <mchan@broadcom.com> Signed-off-by:
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Stephen Hemminger authored
The hard header cache is in the main output path, so using seqlock instead of reader/writer lock should reduce overhead. Signed-off-by:
Stephen Hemminger <shemminger@osdl.org> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] Fix NTLMv2 mounts to Windows servers
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- 08 Dec, 2006 36 commits
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git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds authored
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] Poison init section before freeing it. [S390] Use add_active_range() and free_area_init_nodes(). [S390] Virtual memmap for s390. [S390] Update documentation for dynamic subchannel mapping. [S390] Use dev->groups for adding/removing the subchannel attribute group. [S390] Support for disconnected devices reappearing on another subchannel. [S390] subchannel lock conversion. [S390] Some preparations for the dynamic subchannel mapping patch. [S390] runtime switch for qdio performance statistics [S390] New DASD feature for ERP related logging [S390] add reset call handler to the ap bus. [S390] more workqueue fixes. [S390] workqueue fixes. [S390] uaccess_pt: add missing down_read() and convert to is_init().
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Jiri Kosina authored
This modifies Makefiles and Kconfigs to properly reflect the creation of generic HID layer. It also removes the dependency of BROKEN, which was introduced by the first patch in series (see the comment). Also updates credits. Signed-off-by:
Jiri Kosina <jkosina@suse.cz> Signed-off-by:
Marcel Holtmann <marcel@holtmann.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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Jiri Kosina authored
pb_fnmode parameter has to be passed to usbhid, both for compatibility reasons and also because it logically belongs there. Also removes empty hid-input.c file in drivers/usb/input. Signed-off-by:
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Jiri Kosina authored
hid_input_report() was needlessly USB-specific in USB HID. This patch makes the function independent of HID implementation and fixes all the current users. Bluetooth patches comply with this prototype. Signed-off-by:
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Jiri Kosina authored
- hiddev is USB-only (agreed with Marcel Holtmann that Bluetooth currently doesn't need it, and future planned interface (rawhid) will be more flexible and usable) - both HID and USB-hid can be now compiled as modules (wasn't possible before hiddev was fully separated from generic HID layer) Signed-off-by:
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Jiri Kosina authored
- 'dev' in struct hid_device changed from struct usb_device to struct device and fixed all the users - renamed functions which are part of USB HID API from 'hid_*' to 'usbhid_*' - force feedback initialization moved from common part into USB-specific driver - added usbhid.h header for USB HID API users - removed USB-specific fields from struct hid_device and moved them to new usbhid_device, which is pointed to by hid_device->driver_data - fixed all USB users to use this new structure Signed-off-by:
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Jiri Kosina authored
- fixed generic API (added neccessary EXPORT_SYMBOL, fixed hid.h to provide correct prototypes) - extended hid_device with open/close/event function pointers to driver-specific functions - added driver specific driver_data to hid_device Signed-off-by:
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Jiri Kosina authored
The "big main" split of USB HID code into generic HID code and USB-transport specific HID handling. Signed-off-by:
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Jiri Kosina authored
This patch is a part of generic HID layer introduction. USB HID is disabled, so that the code split and changes could be introduced in a way that is reviewable (i.e. separate patches), but not to break git bisect by uncompilable kernel throughout different stages of the code splitup and changes. The last patch of this series enables HID again. Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmcLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: mmc: fix au1xmmc build error mmc: pxamci compilation fix
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Andrew Morton authored
fs/proc/proc_misc.c: In function `version_read_proc': fs/proc/proc_misc.c:256: warning: implicit declaration of function `utsname' Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Shaohua Li authored
In VMSPLIT mode, kernel PGD might have more entries than user space. Acked-by:
Jens Axboe <jens.axboe@oracle.com> Signed-off-by:
Shaohua Li <shaohua.li@intel.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by:
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Adrian Bunk authored
Signed-off-by:
Alasdair G Kergon <agk@redhat.com> Signed-off-by:
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Jonathan E Brassow authored
Reset sync_search on resume. The effect is to retry syncing all out-of-sync regions when a mirror is resumed, including ones that previously failed. Signed-off-by:
Jonathan E Brassow <jbrassow@redhat.com> Signed-off-by:
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Jonathan E Brassow authored
The complete_resync_work function only provides the ability to change an out-of-sync region to in-sync. This patch enhances the function to allow us to change the status from in-sync to out-of-sync as well, something that is needed when a mirror write to one of the devices or an initial resync on a given region fails. Signed-off-by:
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Milan Broz authored
Move the code that releases memory used by a snapshot into a separate function. Signed-off-by:
Milan Broz <mbroz@redhat.com> Signed-off-by:
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Kiyoshi Ueda authored
Implement the pushback feature for the multipath target. The pushback request is used when: 1) there are no valid paths; 2) queue_if_no_path was set; 3) a suspend is being issued with the DMF_NOFLUSH_SUSPENDING flag. Otherwise bios are returned to applications with -EIO. To check whether queue_if_no_path is specified or not, you need to check both queue_if_no_path and saved_queue_if_no_path, because presuspend saves the original queue_if_no_path value to saved_queue_if_no_path. The check for 1 already exists in both map_io() and do_end_io(). So this patch adds __must_push_back() to check 2 and 3. Test results: See the test results in the preceding patch. Signed-off-by:Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by:
Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by:
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Kiyoshi Ueda authored
In device-mapper I/O is sometimes queued within targets for later processing. For example the multipath target can be configured to store I/O when no paths are available instead of returning it -EIO. This patch allows the device-mapper core to instruct a target to transfer the contents of any such in-target queue back into the core. This frees up the resources used by the target so the core can replace that target with an alternative one and then resend the I/O to it. Without this patch the only way to change the target in such circumstances involves returning the I/O with an error back to the filesystem/application. In the multipath case, this patch will let us add new paths for existing I/O to try after all the existing paths have failed. DMF_NOFLUSH_SUSPENDING ---------------------- If the DM_NOFLUSH_FLAG ioctl option is specified at suspend time, the DMF_NOFLUSH_SUSPENDING flag is set in md->flags during dm_suspend(). It is always cleared before dm_suspend() returns. The flag must be visible while the target is flushing pending I/Os so it is set before presuspend where the flush starts and unset after the wait for md->pending where the flush ends. Target drivers can check this flag by calling dm_noflush_suspending(). DM_MAPIO_REQUEUE / DM_ENDIO_REQUEUE ----------------------------------- A target's map() function can now return DM_MAPIO_REQUEUE to request the device mapper core queue the bio. Similarly, a target's end_io() function can return DM_ENDIO_REQUEUE to request the same. This has been labelled 'pushback'. The __map_bio() and clone_endio() functions in the core treat these return values as errors and call dec_pending() to end the I/O. dec_pending ----------- dec_pending() saves the pushback request in struct dm_io->error. Once all the split clones have ended, dec_pending() will put the original bio on the md->pushback list. Note that this supercedes any I/O errors. It is possible for the suspend with DM_NOFLUSH_FLAG to be aborted while in progress (e.g. by user interrupt). dec_pending() checks for this and returns -EIO if it happened. pushdback list and pushback_lock -------------------------------- The bio is queued on md->pushback temporarily in dec_pending(), and after all pending I/Os return, md->pushback is merged into md->deferred in dm_suspend() for re-issuing at resume time. md->pushback_lock protects md->pushback. The lock should be held with irq disabled because dec_pending() can be called from interrupt context. Queueing bios to md->pushback in dec_pending() must be done atomically with the check for DMF_NOFLUSH_SUSPENDING flag. So md->pushback_lock is held when checking the flag. Otherwise dec_pending() may queue a bio to md->pushback after the interrupted dm_suspend() flushes md->pushback. Then the bio would be left in md->pushback. Flag setting in dm_suspend() can be done without md->pushback_lock because the flag is checked only after presuspend and the set value is already made visible via the target's presuspend function. The flag can be checked without md->pushback_lock (e.g. the first part of the dec_pending() or target drivers), because the flag is checked again with md->pushback_lock held when the bio is really queued to md->pushback as described above. So even if the flag is cleared after the lockless checkings, the bio isn't left in md->pushback but returned to applications with -EIO. Other notes on the current patch -------------------------------- - md->pushback is added to the struct mapped_device instead of using md->deferred directly because md->io_lock which protects md->deferred is rw_semaphore and can't be used in interrupt context like dec_pending(), and md->io_lock protects the DMF_BLOCK_IO flag of md->flags too. - Don't issue lock_fs() in dm_suspend() if the DM_NOFLUSH_FLAG ioctl option is specified, because I/Os generated by lock_fs() would be pushed back and never return if there were no valid devices. - If an error occurs in dm_suspend() after the DMF_NOFLUSH_SUSPENDING flag is set, md->pushback must be flushed because I/Os may be queued to the list already. (flush_and_out label in dm_suspend()) Test results ------------ I have tested using multipath target with the next patch. The following tests are for regression/compatibility: - I/Os succeed when valid paths exist; - I/Os fail when there are no valid paths and queue_if_no_path is not set; - I/Os are queued in the multipath target when there are no valid paths and queue_if_no_path is set; - The queued I/Os above fail when suspend is issued without the DM_NOFLUSH_FLAG ioctl option. I/Os spanning 2 multipath targets also fail. The following tests are for the normal code path of new pushback feature: - Queued I/Os in the multipath target are flushed from the target but don't return when suspend is issued with the DM_NOFLUSH_FLAG ioctl option; - The I/Os above are queued in the multipath target again when resume is issued without path recovery; - The I/Os above succeed when resume is issued after path recovery or table load; - Queued I/Os in the multipath target succeed when resume is issued with the DM_NOFLUSH_FLAG ioctl option after table load. I/Os spanning 2 multipath targets also succeed. The following tests are for the error paths of the new pushback feature: - When the bdget_disk() fails in dm_suspend(), the DMF_NOFLUSH_SUSPENDING flag is cleared and I/Os already queued to the pushback list are flushed properly. - When suspend with the DM_NOFLUSH_FLAG ioctl option is interrupted, o I/Os which had already been queued to the pushback list at the time don't return, and are re-issued at resume time; o I/Os which hadn't been returned at the time return with EIO. Signed-off-by: -
Kiyoshi Ueda authored
Provide a dm ioctl option to request noflush suspending. (See next patch for what this is for.) As the interface is extended, the version number is incremented. Other than accepting the new option through the interface, There is no change to existing behaviour. Test results: Confirmed the option is given from user-space correctly. Signed-off-by:
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Kiyoshi Ueda authored
Update existing targets to use the new symbols for return values from target map and end_io functions. There is no effect on behaviour. Test results: Done build test without errors. Signed-off-by:
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Kiyoshi Ueda authored
Tighten the use of return values from the target map and end_io functions. Values of 2 and above are now explictly reserved for future use. There are no existing targets using such values. The patch has no effect on existing behaviour. o Reserve return values of 2 and above from target map functions. Any positive value currently indicates "mapping complete", but all existing drivers use the value 1. We now make that a requirement so we can assign new meaning to higher values in future. The new definition of return values from target map functions is: < 0 : error = 0 : The target will handle the io (DM_MAPIO_SUBMITTED). = 1 : Mapping completed (DM_MAPIO_REMAPPED). > 1 : Reserved (undefined). Previously this was the same as '= 1'. o Reserve return values of 2 and above from target end_io functions for similar reasons. DM_ENDIO_INCOMPLETE is introduced for a return value of 1. Test results: I have tested by using the multipath target. I/Os succeed when valid paths exist. I/Os are queued in the multipath target when there are no valid paths and queue_if_no_path is set. I/Os fail when there are no valid paths and queue_if_no_path is not set. Signed-off-by: -
Kiyoshi Ueda authored
Change the interface of dm_suspend() so that we can pass several options without increasing the number of parameters. The existing 'do_lockfs' integer parameter is replaced by a flag DM_SUSPEND_LOCKFS_FLAG. There is no functional change to the code. Test results: I have tested 'dmsetup suspend' command with/without the '--nolockfs' option and confirmed the do_lockfs value is correctly set. Signed-off-by:
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Kiyoshi Ueda authored
Remove unnecessary spaces in dm.c. Signed-off-by:
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Heinz Mauelshagen authored
The existing code allocates an extra slot in bi_io_vec[] and uses it to store the region number. This patch hides the extra slot from bio_add_page() so the region number can't get overwritten. Also remove a hard-coded SECTOR_SHIFT and fix a typo in a comment. Signed-off-by:
Heinz Mauelshagen <hjm@redhat.com> Signed-off-by:
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Randy Dunlap authored
Update linux-fbdev mailing list to subscribers-only. Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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Mariusz Kozlowski authored
Signed-off-by:
Mariusz Kozlowski <m.kozlowski@tuxland.pl> Signed-off-by:
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Mariusz Kozlowski authored
This code is '#if 0'ed. Anyway if anyone wants to dump neo registers better to have it fixed. Signed-off-by:
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Mariusz Kozlowski authored
Remove broken and unused macro. Signed-off-by:
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James Simmons authored
Automatically set VIDEO_SELECT when you select VESA FB. Currently if you select VESA FB with fbcon but don't select VGA console the box will not have its video mode set. Thus you get a blank screen. Signed-off-by:
James Simmons <jsimmons@infradead.org> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by:
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Jordan Crouse authored
For Geode devices without a flatpanel aware BIOS, this enables the flatpanel power and data. Signed-off-by:
Jordan Crouse <jordan.crouse@amd.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Acked-by:
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Jordan Crouse authored
Use the right MSR and bits to detect if the GX is strapped for TFT or CRT Signed-off-by:
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Jordan Crouse authored
Add support for command line options for setting the mode and various settings. [akpm@osdl.org: cleanups] Signed-off-by:
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Jordan Crouse authored
Support TFT panels by correctly setting up the flat panel registers [akpm@osdl.org: cleanups] Signed-off-by:
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Jordan Crouse authored
We cannot assume that the BIOS will be correctly setting up the hardware, so set some bits in various display registers to enable video output. Allow an advanced user to specify a frambuffer size, rather then probing the BIOS. All of these fixes were prompted by the OLPC effort. [akpm@osdl.org: cleanups] Signed-off-by:
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Jordan Crouse authored
Use the Geode GX BIOS virtual registers to get the actual size of the framebuffer. Signed-off-by:
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Henrique de Moraes Holschuh authored
ACPI drivers like ibm-acpi are moving to the backlight sysfs infrastructure. During ibm-acpi testing, I have noticed that backlight_device_unregister() sets the display brightness and power to zero. This causes the display to be dimmed on ibm-acpi module removal. It will affect all other ACPI drivers that are being converted to use the backlight class, as well. It also affects a number of framebuffer devices that are used on desktops and laptops which might also not want such behaviour. Since working around this behaviour requires undesireable hacks, Richard Purdie decided that we would be better off reverting the changes in the sysfs class, and adding the code to dim and power off the backlight device to the drivers that want it. This patch is my attempt to do so. Patch against latest linux-2.6.git. Changes untested, as I lack the required hardware. Still, they are trivial enough that, apart from typos, there is little chance of getting them wrong. Signed-off-by:
Henrique de Moraes Holschuh <hmh@hmh.eng.br> Acked-by:
Richard Purdie <rpurdie@rpsys.net> Acked-by:
Pavel Machek <pavel@ucw.cz> Acked-by:
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