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2008-07-03[ARM] rpc: deprecate __ioaddr() and __ioaddrc() helpersRussell King
Now everything is converted to use MMIO accessors, these helpers are no longer required. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] rpc: acornscsi: update to new style ecard driverRussell King
Update acornscsi as per all the other ecard drivers to use MMIO accessors rather than the obsolete 'pc io' style inb/outb accessors. Use ecard_request_resources()/ecard_release_resources() for easier resource handling, rather than requesting 5 separate regions individually. Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] rpc: acornscsi: stop using private __stringify()Russell King
The kernel has its own, so let's use that instead. Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] rpc: acornscsi: convert hardware accessors to take 'AS_Host *'Russell King
Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] rpc: acornscsi: fixup abort/reset methods, fix build errorsRussell King
Revive the AcornSCSI driver, update it for the replacement command abort and host reset methods, and fix the build errors in acornscsi-io.S. Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] rpc: acornscsi: remove unused 'ADDR' macroRussell King
Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] rpc: etherh: fix unused variable warningRussell King
Fix: drivers/net/arm/etherh.c:650: warning: unused variable `i' Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03x86: remove unnecessary #ifdef CONFIG_X86_32...#elseGustavo Fernando Padovan
Remove the #ifdef conditional because this comparison is already done in user_mode_vm(). Signed-off-by: Gustavo F. Padovan <gustavo@las.ic.unicamp.br> Cc: akpm@osdl.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-03x86, mce_64.c: mce_cpu_quirks being ignoredVenki Pallipadi
Quirks getting ignored was a bug. Below patch fixes the bug, until we have the dynamic banks support. Sysfs choice configuration should not have any issues with the earlier patch as we look for NR_SYSFS_BANKS in do_machine_check(). Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Max Asbock <masbock@us.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-03Merge commit 'v2.6.26-rc8' into x86/mceIngo Molnar
2008-07-03ftrace: prevent ftrace modifications while being kprobe'd, v2Abhishek Sagar
add two missing chunks for ftrace+kprobe. Signed-off-by: Abhishek Sagar <sagar.abhishek@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-03x86: config option to disable info from decompression of the kernelBen Collins
This patch allows the disabling of decompression messages during x86 bootup. Signed-off-by: Ben Collins <ben.collins@canonical.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-03[ARM] 5094/1: pcm990: Add framebuffer and backlight supportGuennadi Liakhovetski
PCM990 boards can be assembled with either a Sharp STN or a NEC TFT LCD. This patch adds support for these displays and for the backlight, using the pwm_bl driver. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] 5045/1: magician: use the pwm_bl driver for the LCD backlightPhilipp Zabel
magician has a GPIO that modifies the brightness level additionally to the PWM duty value. This patch makes use of the pwm_bl notify callback to present userspace with a single brightness scale. This gets rid of the pxa_set_cken calls and direct PWM register access. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] 5141/1: PWM: pwm_request() should return an PTR_ERR() instead of NULL.Ben Dooks
Make the return of pwm_request() be more informative than just being NULL on error by using PTR_ERR() to respond with an approriate error. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] 5044/1: pwm_bl: add init/notify/exit callbacksPhilipp Zabel
This allows platform code to manipulate GPIOs and brightness level as needed. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] pxa: make LogicPD 270 use the generic PWM backlight driverRussell King
Acked-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] pxa: make mainstone use the generic PWM backlight driverRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] pxa: make zylonite use the generic PWM backlight drivereric miao
Patch mostly by Eric Miao, minor edits by rmk. Signed-off-by: eric miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] pxa: add generic PWM backlight drivereric miao
Patch mostly from Eric Miao, with minor edits by rmk to convert Eric's driver to a generic PWM-based backlight driver. Signed-off-by: eric miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] 5087/1: Get the PWM layer to handle clock enable/disable properly.Robert Jarzmik
Allow pwm_enable()/pwm_disable() to be called as many times as the driver wants (and not even count them). The PWM model is different from things like the clock API where we need enable counting, because PWMs have one exclusive user per PWM whereas the clock API can have multiple users of the same clock. Acked-by: eric miao <eric.miao@marvell.com> Signed-off-by: Robert Jarzmik <rjarzmik@free.fr> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] 5078/1: pxa-pwm: Add missing MODULE_LICENSE to be able to build the driverGuennadi Liakhovetski
as a module Without a GPL-compatible license this driver cannot be built as a module, because the platform_driver_* API is only exported to GPL modules. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de> Acked-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03[ARM] 5136/1: pxa: fix PWM device order for pxa27xPhilipp Zabel
Currently PWM0/2 (pxa27x_device_pwm0 at 0x40b00000 and 0x40b00010 are registered as as pwm_id 0 and 1, PWM1/3 (pxa27x_device_pwm1 at 0x40c00000 and 0x40c00010) are registered as pwm_id 2 and 3. This patch corrects the pwm_ids to match the documented register names. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Acked-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-07-03block: extend queue_flag bitopsJens Axboe
Add test_and_clear and test_and_set. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03block: request_module(): use format stringmaximilian attems
Avoid bad things happening if the module has a printk control string in its name. Signed-off-by: maximilian attems <max@stro.at> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03Add bvec_merge_data to handle stacked devices and ->merge_bvec()Alasdair G Kergon
When devices are stacked, one device's merge_bvec_fn may need to perform the mapping and then call one or more functions for its underlying devices. The following bio fields are used: bio->bi_sector bio->bi_bdev bio->bi_size bio->bi_rw using bio_data_dir() This patch creates a new struct bvec_merge_data holding a copy of those fields to avoid having to change them directly in the struct bio when going down the stack only to have to change them back again on the way back up. (And then when the bio gets mapped for real, the whole exercise gets repeated, but that's a problem for another day...) Signed-off-by: Alasdair G Kergon <agk@redhat.com> Cc: Neil Brown <neilb@suse.de> Cc: Milan Broz <mbroz@redhat.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03block: integrity flags can't use bit ops on unsigned shortJens Axboe
Just use normal open coded bit operations instead, they need not be atomic. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03cmdfilter: extend default read filterAdel Gadllah
This patch adds the commands that the former sg filter allowed for read access to the cmdfilter to keep userspace apps that rely on them working. Signed-off-by: Adel Gadllah <adel.gadllah@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03sg: fix odd style (extra parenthesis) introduced by cmd filter patchJens Axboe
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03block: add bounce support to blk_rq_map_user_iovFUJITA Tomonori
blk_rq_map_user_iov can't handle the bounce buffer (it means that the bio_map_user_iov path doesn't work with a LLD that needs GFP_DMA). This patch fixes blk_rq_map_user_iov to support the bounce buffer. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03cfq-iosched: get rid of enable_idle being unused warningJens Axboe
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03allow userspace to modify scsi command filter on per device basisAdel Gadllah
This patch exports the per-gendisk command filter to user space through sysfs, so it can be changed by the system administrator. All users of the old cmd filter have been converted to use the new one. Original patch from Peter Jones. Signed-off-by: Adel Gadllah <adel.gadllah@gmail.com> Signed-off-by: Peter Jones <pjones@redhat.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03block: integrity cleanupsJens Axboe
- No need to check for NULL bio, we'll get an immediate oops anyway. - Make bio_integrity() a proper function. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03block: blkdev.h cleanup, move iocontext stuff to iocontext.hJens Axboe
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03block: integrity checkpatch cleanupsJens Axboe
> 80 char lines and that sort of thing. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03block: Data integrity infrastructure documentationMartin K. Petersen
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03block: Block layer data integrity supportMartin K. Petersen
Some block devices support verifying the integrity of requests by way of checksums or other protection information that is submitted along with the I/O. This patch implements support for generating and verifying integrity metadata, as well as correctly merging, splitting and cloning bios and requests that have this extra information attached. See Documentation/block/data-integrity.txt for more information. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03block: Globalize bio_set and bio_vec_slabMartin K. Petersen
Move struct bio_set and biovec_slab definitions to bio.h so they can be used outside of bio.c. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03xen: Avoid allocations causing swap activity on the resume pathIan Campbell
Avoid allocations causing swap activity on the resume path by preventing the allocations from doing IO and allowing them to access the emergency pools. These paths are used when a frontend device is trying to connect to its backend driver over Xenbus. These reconnections are triggered on demand by IO, so by definition there is already IO underway, and further IO would naturally deadlock. On resume, this path is triggered when the running system tries to continue using its devices. If it cannot then the resume will fail; to try to avoid this we let it dip into the emergency pools. [ linux-2.6.18-xen changesets e8b49cfbdac, fdb998e79aba ] Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03xen/blkfront: add __exit to module_exit() handlersJan Beulich
Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03xen/blkfront: Make sure that the device is fully ready before allowing release.Wim Colgate
[ linux-2.6.18-xen changeset c1c57fea77e9 ] Signed-off-by: Wim Colgate <wim@xensource.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03xen/blkfront: Add the CDROM_GET_CAPABILITY ioctl to blkfront.Christian Limpach
Return 0 instead of -EINVAL if the blkfront device is a cdrom, i.e. had the VDISK_CDROM attribute. This allows udev's cdrom_id to correctly detect the device as a cdrom device. [ Add blkif_ioctl, and CDROMMULTISESSION ] [ linux-2.6.18-xen changeset d2bd9af846b5 ] Signed-off-by: Christian Limpach <Christian.Limpach@xensource.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03xen/blkfront: Make sure we don't use bounce buffers, we don't need them.Ian Campbell
[ linux-2.6.18-xen changeset 667228bf8fc5 ] Signed-off-by: Ian Campbell <ian.campbell@xensource.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03block: kill request_queue_tJens Axboe
Everything was moved to struct request_queue a few kernel revisions ago, maintaining the deprecated typedef to avoid breaking things. Now the time has come to get rid of that typedef. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03block: export "ro" attributeKay Sievers
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03Added in user-injected messages into blk tracesAlan D. Brunelle
This allows a user to annotate the blk trace stream: writing a suitable message to {/sys/kernel/debug}/block/<dsf>/msg will have it propagated into the trace stream. Signed-off-by: Alan D. Brunelle <alan.brunelle@hp.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03cfq-iosched: add message logging through blktraceJens Axboe
Now that blktrace has the ability to carry arbitrary messages in its stream, use that for some CFQ logging. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03as-iosched: properly protect ioc_gone and ioc countJens Axboe
If we have multiple tasks freeing io contexts when as-iosched is being unloaded, we could complete() ioc_gone twice. Fix that by protecting ioc_gone complete() and clearing with a spinlock for just that purpose. Doesn't matter from a performance perspective, since it'll only enter that path when ioc_gone != NULL (when as-iosched is being rmmod'ed). Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03cfq-iosched: properly protect ioc_gone and ioc countJens Axboe
If we have multiple tasks freeing cfq_io_contexts when cfq-iosched is being unloaded, we could complete() ioc_gone twice. Fix that by protecting ioc_gone complete() and clearing with a spinlock for just that purpose. Doesn't matter from a performance perspective, since it'll only enter that path when ioc_gone != NULL (when cfq-iosched is being rmmod'ed). Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-07-03bridge: fix use-after-free in br_cleanup_bridges()Patrick McHardy
Unregistering a bridge device may cause virtual devices stacked on the bridge, like vlan or macvlan devices, to be unregistered as well. br_cleanup_bridges() uses for_each_netdev_safe() to iterate over all devices during cleanup. This is not enough however, if one of the additionally unregistered devices is next in the list to the bridge device, it will get freed as well and the iteration continues on the freed element. Restart iteration after each bridge device removal from the beginning to fix this, similar to what rtnl_link_unregister() does. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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