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2005-10-28Merge branch 'upstream' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
2005-10-28Merge branch 'elevator-switch' of git://brick.kernel.dk/data/git/linux-2.6-blockLinus Torvalds
Manual fixup for trivial "gfp_t" changes.
2005-10-28Merge branch 'generic-dispatch' of ↵Linus Torvalds
git://brick.kernel.dk/data/git/linux-2.6-block
2005-10-28Merge branch 'for-linus' of git://brick.kernel.dk/data/git/linux-2.6-blockLinus Torvalds
2005-10-28[PATCH] gfp_t: remaining bits of drivers/*Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-28[PATCH] gfp_t: drivers/netAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-28[PATCH] gfp_t: drivers/infinibandAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-28[PATCH] gfp_t: drivers/scsiAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-28[PATCH] gfp_t: drivers/usbAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-28[PATCH] gfp_t: dma-mapping (parisc)Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-28[PATCH] gfp_t: block layer coreAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-28[BLOCK] Leftover reference to ->max_back_kbJens Axboe
Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[BLOCK] elevator switch fixes/cleanupJens Axboe
- 100msec sleep is a little excessive, lots of requests can complete in that timeframe. Use 10msec instead. - Rename QUEUE_FLAG_BYPASS to QUEUE_FLAG_ELVSWITCH to indicate what is going on. Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[BLOCK] Reimplement elevator switchTejun Heo
This patch reimplements elevator switch. This patch assumes generic dispatch queue patchset is applied. * Each request is tagged with REQ_ELVPRIV flag if it has its elevator private data set. * Requests which doesn't have REQ_ELVPRIV flag set never enter iosched. They are always directly back inserted to dispatch queue. Of course, elevator_put_req_fn is called only for requests which have its REQ_ELVPRIV set. * Request queue maintains the current number of requests which have its elevator data set (elevator_set_req_fn called) in q->rq->elvpriv. * If a request queue has QUEUE_FLAG_BYPASS set, elevator private data is not allocated for new requests. To switch to another iosched, we set QUEUE_FLAG_BYPASS and wait until elvpriv goes to zero; then, we attach the new iosched and clears QUEUE_FLAG_BYPASS. New implementation is much simpler and main code paths are less cluttered, IMHO. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[BLOCK] kill generic max_back_kb handlingTejun Heo
This patch kills max_back_kb handling from elv_dispatch_sort() and kills max_back_kb field from struct request_queue. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[PATCH] 04/05 remove last_merge handling from ioschedsTejun Heo
Remove last_merge handling from all ioscheds. This patch removes merging capability of noop iosched. Signed-off-by: Tejun Heo <htejun@gmail.com>
2005-10-28[PATCH] 03/05 move last_merge handlin into generic elevator codeTejun Heo
Currently, both generic elevator code and specific ioscheds participate in the management and usage of last_merge. This and the following patches move last_merge handling into generic elevator code. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[PATCH] 02/05: update ioscheds to use generic dispatch queueJens Axboe
This patch updates all four ioscheds to use generic dispatch queue. There's one behavior change in as-iosched. * In as-iosched, when force dispatching (ELEVATOR_INSERT_BACK), batch_data_dir is reset to REQ_SYNC and changed_batch and new_batch are cleared to zero. This prevernts AS from doing incorrect update_write_batch after the forced dispatched requests are finished. * In cfq-iosched, cfqd->rq_in_driver currently counts the number of activated (removed) requests to determine whether queue-kicking is needed and cfq_max_depth has been reached. With generic dispatch queue, I think counting the number of dispatched requests would be more appropriate. * cfq_max_depth can be lowered to 1 again. Original from Tejun Heo, modified version applied. Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[PATCH] elevator: leftover function declarationJens Axboe
Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[PATCH] generic dispatch fixesJens Axboe
- Split elv_dispatch_insert() into two functions - Rename rq_last_sector() to rq_end_sector() Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[PATCH] 01/05 Implement generic dispatch queueTejun Heo
Implements generic dispatch queue which can replace all dispatch queues implemented by each iosched. This reduces code duplication, eases enforcing semantics over dispatch queue, and simplifies specific ioscheds. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[PATCH] fix try_module_get race in elevator_findTejun Heo
This patch removes try_module_get race in elevator_find. try_module_get should always be called with the spinlock protecting what the module init/cleanup routines register/unregister to held. In the case of elevators, we should be holding elv_list to avoid it going away between spin_unlock_irq and try_module_get. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28Following the same idea, it occurs to me that we should only updateChen, Kenneth W
disk stat when "now" is different from disk->stamp. Otherwise, we are again needlessly adding zero to the stats. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[patch] remove gendisk->stamp_idle fieldChen, Kenneth W
struct gendisk has these two fields: stamp, stamp_idle. Update to stamp_idle is always in sync with stamp and they are always the same. Therefore, it does not add any value in having two fields tracking same timestamp. Suggest to remove it. Also, we should only update gendisk stats with non-zero value. Advantage is that we don't have to needlessly calculate memory address, and then add zero to the content. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-27Merge branch 'master'Jeff Garzik
2005-10-27[PATCH] cpufreq: SMP fix for conservative governorDave Jones
Don't try to access not-present CPUs. Conservative governor will always oops on SMP without this fix. Fixes http://bugzilla.kernel.org/show_bug.cgi?id=4781 Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-26Merge master.kernel.org:/home/rmk/linux-2.6-serialLinus Torvalds
2005-10-26[PATCH] fix radeon_cp_init_ring_buffer()Ivan Kokshaysky
I've seen similar failure on alpha. Obviously, someone forgot to convert sg->handle stuff for PCI gart case. Signed-off-by: Dave Airlie <airlied@linux.ie> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-26[PATCH] md: make sure mdthreads will always respond to kthread_stopNeilBrown
There are still a couple of cases where md threads (the resync/recovery thread) is not interruptible since the change to use kthreads. All places there it tests "signal_pending", it should also test kthread_should_stop, as with this patch. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-26Merge branch 'master'Jeff Garzik
2005-10-26[netdrvr forcedeth] scatter gather and segmentation offload supportAyaz Abdulla
also: - eliminate use of pointless get_nvpriv() wrapper, and use netdev_priv() directly. - use NETDEV_TX_xxx return codes
2005-10-25PCI: be more verbose about resource quirksLinus Torvalds
When reserving an PCI quirk, note that in the kernel bootup messages. Also, parse the strange PIIX4 device resources - they should get their own PCI resource quirks, but for now just print out what it finds to verify that the code does the right thing. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-25[PATCH] qlogic lockup fixAndrew Morton
If qla2x00_probe_one()'s call to qla2x00_iospace_config() fails, we call qla2x00_free_device() to clean up. But because ha->dpc_pid hasn't been set yet, qla2x00_free_device() tries to stop a kernel thread which hasn't started yet. It does wait_for_completion() against an uninitialised completion struct and the kernel hangs up. Fix it by initialising ha->dpc_pid a bit earlier. Cc: Andrew Vasquez <andrew.vasquez@qlogic.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-24[SERIAL] new hp diva console portJustin Chen
Add the new ID 0x132a and configure the new PCI Diva console port. This device supports only 1 single console UART. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-24[SERIAL] support the Exsys EX-4055 4S four-port cardBjorn Helgaas
Tested by Wolfgang Denk with this device: 00:0f.0 Network controller: PLX Technology, Inc. PCI <-> IOBus Bridge (rev 01) Subsystem: Exsys EX-4055 4S(16C550) RS-232 Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- Interrupt: pin A routed to IRQ 10 Region 0: Memory at 80100000 (32-bit, non-prefetchable) [size=128] Region 1: I/O ports at 7080 [size=128] Region 2: I/O ports at 7400 [size=32] 00:0f.0 Class 0280: 10b5:9050 (rev 01) Subsystem: d84d:4055 Results with this patch: Serial: 8250/16550 driver $Revision: 1.90 $ 32 ports, IRQ sharing enabled ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A PCI: Found IRQ 10 for device 0000:00:0f.0 ttyS4 at I/O 0x7400 (irq = 10) is a 16550A ttyS5 at I/O 0x7408 (irq = 10) is a 16550A ttyS6 at I/O 0x7410 (irq = 10) is a 16550A ttyS7 at I/O 0x7418 (irq = 10) is a 16550A Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-24[PATCH] Return the line length via sysfs for fbdevJames Simmons
This small patch returns the stride/line length of the framebuffer via sysfs. Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-23Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-for-linus-2.6Linus Torvalds
2005-10-23[PATCH] ib: mthca: Always re-arm EQs in mthca_tavor_interrupt()Roland Dreier
We should always re-arm an event queue's interrupt in mthca_tavor_interrupt() if the corresponding bit is set in the event cause register (ECR), even if we didn't find any entries in the EQ. If we don't, then there's a window where we miss an EQ entry and then get stuck because we don't get another EQ event. Signed-off-by: Roland Dreier <rolandd@cisco.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-23[PATCH] Kconfig: saa7134-dvb should not select cx22702Mike Krufky
On 2005-05-01, Gerd Knorr sent in a patch to add cx22702 to cx88-dvb: [PATCH] dvb: cx22702 frontend driver update http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9990d744bea7d28e83c420e2c9d524c7a8a2d136 ...but as we can see, the Kconfig portion of his patch was incorrectly applied to saa7134-dvb instead of cx88-dvb. On 2005-06-24, Adrian bunk fixed cx88-dvb: [PATCH] VIDEO_CX88_DVB must select DVB_CX22702 http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d6988588e13616587aa879c2e0bd7cd811705e5d ...but we never removed the original patch from Gerd. This patch sets things straight: saa7134-dvb should not select cx22702 Signed-off-by: Michael Krufky <mkrufky@m1k.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-23cardbus: limit IO windows to 256 bytesLinus Torvalds
That's what we've always historically done, and bigger windows seem to confuse some cardbus bridges. Or something. Alan reports that this makes the ThinkPad 600x series work properly again: the 4kB IO window for some reason made IDE DMA not work, which makes IDE painfully slow even if it works after DMA timeouts. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-21[PATCH] drm: another mga bugDave Airlie
The wrong state emission routines were being called for G550, and consistent maps weren't correctly mapped... Signed-off-by: Dave Airlie <airlied@linux.ie> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-21[PATCH] mptsas: fix phy identifiersEric Moore
This fixes handling of the phy identifiers in mptsas. Signed-off-by: Eric Moore <Eric.Moore@lsil.com> [ split it a pre-2.6.14 portion from Eric's bigger patch ] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-20[PATCH] sb1250-mac: PHY probing fixes.Ralf Baechle
Improve sb1250-mac driver to probe for PHYs at addresses other than 1, such as the PHYs on BigSur. Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-10-20Merge branch 'master'Jeff Garzik
2005-10-20[PATCH] e1000: Driver version, white space, comments, device id & otherMallikarjuna R Chilakala
Driver version, white space, comments, device id & other Originally posted on 8/31 (and perhaps before)...I think it has not been committed because the patch from that posting was damaged. I'm reposting to make sure it gets in... :-) Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com> Signed-off-by: Ganesh Venkatesan <ganesh.venkatesan@intel.com> Signed-off-by: John Ronciak <john.ronciak@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-10-20[PATCH] sundance: include MII address 0 in PHY probeJohn W. Linville
Include MII address 0 at the end of the PHY scan. This covers the entire range of possible MII addresses. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-10-19[PATCH] scsi_error thread exits in TASK_INTERRUPTIBLE state.Steven Rostedt
Found in the -rt patch set. The scsi_error thread likely will be in the TASK_INTERRUPTIBLE state upon exit. This patch fixes this bug. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] `unaligned access' in acpi get_root_bridge_busnr()Peter Chubb
In drivers/acpi/glue.c the address of an integer is cast to the address of an unsigned long. This breaks on systems where a long is larger than an int --- for a start the int can be misaligned; for a second the assignment through the pointer will overwrite part of the next variable. Signed-off-by: Peter Chubb <peterc@gelato.unsw.edu.au> Acked-by: "Brown, Len" <len.brown@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] fix MGA DRM regression before 2.6.14Dave Airlie
I've gotten a report on lkml, of a possible regression in the MGA DRM in 2.6.14-rc4 (since -rc1), I haven't been able to reproduce it here, but I've figured out some possible issues in the mga code that were definitely wrong, some of these are from DRM CVS, the main fix is the agp enable bit on the old code path still used by everyone..... Signed-off-by: Dave Airlie <airlied@linux.ie> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-19[PATCH] Three one-liners in md.cNeilBrown
The main problem fixes is that in certain situations stopping md arrays may take longer than you expect, or may require multiple attempts. This would only happen when resync/recovery is happening. This patch fixes three vaguely related bugs. 1/ The recent change to use kthreads got the setting of the process name wrong. This fixes it. 2/ The recent change to use kthreads lost the ability for md threads to be signalled with SIG_KILL. This restores that. 3/ There is a long standing bug in that if: - An array needs recovery (onto a hot-spare) and - The recovery is being blocked because some other array being recovered shares a physical device and - The recovery thread is killed with SIG_KILL Then the recovery will appear to have completed with no IO being done, which can cause data corruption. This patch makes sure that incomplete recovery will be treated as incomplete. Note that any kernel affected by bug 2 will not suffer the problem of bug 3, as the signal can never be delivered. Thus the current 2.6.14-rc kernels are not susceptible to data corruption. Note also that if arrays are shutdown (with "mdadm -S" or "raidstop") then the problem doesn't occur. It only happens if a SIGKILL is independently delivered as done by 'init' when shutting down. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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