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2009-04-08IPoIB: Document newish featuresOr Gerlitz
Update the documentation to include connected mode, stateless offloads and interrupt moderation, and add a reference to the connected mode RFC. Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2009-04-08[IA64] wire up preadv/pwritev system callsTony Luck
Gerd Hoffmann added these to Linux. Let ia64 use them. Signed-off-by: Tony Luck <tony.luck@intel.com>
2009-04-08RDMA/cma: Create cm id even when IB port is downYossi Etigin
When doing rdma_resolve_addr(), if the relevant IB port is down, the function fails and the cm_id is not bound to the correct device. Therefore, application does not have a device handle and cannot wait for the port to become active. The function fails because the underlying IPoIB interface is not joined to the broadcast group and therefore the SA does not have a multicast record to take a Q_Key from. The fix is to use lazy Q_Key resolution - cma_set_qkey() will set id_priv->qkey if it was not set, and will be called just before the Q_Key is really required. Signed-off-by: Yossi Etigin <yosefe@voltaire.com> Acked-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2009-04-08Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
2009-04-08[ARM] 5446/1: ohci-at91: Limit vbus_pin assignment to the size of the arrayJustin Waters
Currently, the vbus_pin assignment loop is limited by the value of the "ports" variable in the platform data. Now that the vbus_pin array is no longer flexible, we can use its actual size. Signed-off-by: Justin Waters <justin.waters@timesys.com> Acked-by: Andrew Victor <linux@maxim.org.za> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-04-08[ARM] 5445/1: AT91: Remove flexible array from USBH platform dataJustin Waters
The flexible array in the USBH platform data is not safe to copy. The compiler will not allocate any extra memory for the non-init platform data structure (in the *_devices.c files) since it isn't given any defaults at compile time. When the probe function attempts to address that array, it will actually attempt to access data in an adjacent structure. Since there are currently no (known) implementations of the at91 USBH IP with more than 2 vbus pins, I am capping the value at 2. If somebody tries to assign more, then the compiler will produce a warning. Signed-off-by: Justin Waters <justin.waters@timesys.com> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Andrew Victor <linux@maxim.org.za> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-04-08[ARM] 5447/1: Add SZ_32KLinus Walleij
This adds a SZ_32K define to the available sizes. I need it for an upcoming platform support. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-04-08mmc_spi: support for non-byte-aligned cardsWolfgang Muees
A very large subset of SD cards in the market send their responses and data non-byte-aligned. So add logic to the mmc spi driver to handle this mess. Signed-off-by: Wolfgang Muees <wolfgang.mues@auerswald.de> Signed-off-by: Pierre Ossman <pierre@ossman.eu>
2009-04-08omap_hsmmc: Do not expect cmd/data to be non-null when CC/TC occursJarkko Lavinen
With spurious interrupt cmd can be null even when we have CC set in irq status. Fixes: NB#106295 - prevent potential kernel crash in the MMC driver Signed-off-by: Jarkko Lavinen <jarkko.lavinen@nokia.com> Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Pierre Ossman <pierre@ossman.eu>
2009-04-08mmc: Fix compile for omap_hsmmc.cTony Lindgren
This fixes the issue noted by Russell King: drivers/mmc/host/omap_hsmmc.c: In function 'mmc_omap_xfer_done': drivers/mmc/host/omap_hsmmc.c:301: error: implicit declaration of function 'mmc_omap_fclk_lazy_disable' This got broken by 4a694dc915c9a223044ce21fc0d99e63facd1d64. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Pierre Ossman <pierre@ossman.eu>
2009-04-08mmc_spi: convert timeout handling to jiffies and avoid busy waitingWolfgang Muees
SD/MMC card timeouts can be very high. So avoid busy-waiting, using the scheduler. Calculate all timeouts in jiffies units, because this will give us the correct sign when to involve the scheduler. Signed-off-by: Wolfgang Muees <wolfgang.mues@auerswald.de> Signed-off-by: Pierre Ossman <pierre@ossman.eu>
2009-04-08mmc_spi: do not check CID and CSD blocks with CRC16Wolfgang Muees
Some cards are not able to calculate a valid CRC16 value for CID and CSD reads (CRC for 512 byte data blocks is OK). By moving the CRC enable after the read of CID and CSD, these cards can be used. This patch was tested with a faulty 8 GByte takeMS Class 6 SDHC card. This patch was suggested by Pierre Ossman. Signed-off-by: Wolfgang Muees <wolfgang.mues@auerswald.de> Signed-off-by: Pierre Ossman <pierre@ossman.eu>
2009-04-08omap_hsmmc: Flush posted write to IRQKevin Hilman
Spurious IRQs seen on MMC after 2.6.29. Flush posted write in IRQ handler. The interrupt line is released by clearing the error status bits in the MMCHS_STAT register, which must occur before the interrupt handler returns to avoid unwanted irqs. Hence the need to flush the posted write. Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Acked-by: Tony Lindgen <tony@atomide.com> Signed-off-by: Pierre Ossman <pierre@ossman.eu>
2009-04-08New mail address for Pierre OssmanPierre Ossman
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
2009-04-08imxmmc: move RSSR BLRPaulius Zaleckas
DMA request source (RSSR) needs to be set only once (in probe). DMA burst length (BLR) need to be set only in set_ios() This cleans up imxmci_setup_data() and should make it a little bit faster :) Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2009-04-08imxmmc: init-exit reworkPaulius Zaleckas
Add __init __exit for appropriate probe and remove functions. Conver to platform_driver_probe() Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2009-04-08mmc: Accept EXT_CSD rev 1.3 since it is backwards compatible with 1.2Jarkko Lavinen
Signed-off-by: Jarkko Lavinen <jarkko.lavinen@nokia.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2009-04-08ptrace: some checkpatch fixesRoland McGrath
This fixes all the checkpatch --file complaints about kernel/ptrace.c and also removes an unused #include. I've verified that there are no changes to the compiled code on x86_64. Signed-off-by: Roland McGrath <roland@redhat.com> [ Removed the parts that just split a line - Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-08nommu: fix typo vma->pg_off to vma->vm_pgoffNobuhiro Iwamatsu
6260a4b0521a41189b2c2a8119096c1e21dbdf2c ("/proc/pid/maps: don't show pgoff of pure ANON VMAs" had a typo. fs/proc/task_nommu.c:138: error: 'struct vm_area_struct' has no member named 'pg_off' distcc[21484] ERROR: compile fs/proc/task_nommu.c on sprygo/32 failed Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-08befs: fix build on pariscAlexander Beregalov
fs/befs/super.c:85: error: 'PAGE_SIZE' undeclared Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-08ext3: Try to avoid starting a transaction in writepage for data=writepageJan Kara
This does the same as commit 9e80d407736161d9b8b0c5a0d44f786e44c322ea (avoid starting a transaction when no block allocation is needed) but for data=writeback mode of ext3. We also cleanup the data=ordered case a bit to stick to coding style... Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2009-04-08block_write_full_page: switch synchronous writes to use WRITE_SYNC_PLUGTheodore Ts'o
Now that we have a distinction between WRITE_SYNC and WRITE_SYNC_PLUG, use WRITE_SYNC_PLUG in __block_write_full_page() to avoid unplugging the block device I/O queue between each page that gets flushed out. Otherwise, when we run sync() or fsync() and we need to write out a large number of pages, the block device queue will get unplugged between for every page that is flushed out, which will be a pretty serious performance regression caused by commit a64c8610. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2009-04-08x86: smarten /proc/interrupts output for new countersHidetoshi Seto
Now /proc/interrupts of tip tree has new counters: PLT: Platform interrupts Format change of output, as like that by commit: commit 7a81d9a7da03d2f27840d659f97ef140d032f609 x86: smarten /proc/interrupts output should be applied to these new counters too. Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Cc: Jan Beulich <jbeulich@novell.com> LKML-Reference: <49C98DEA.8060208@jp.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-08Merge commit 'v2.6.30-rc1' into x86/urgentIngo Molnar
Merge reason: fix to be queued up depends on upstream facilities Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-08x86: DMI match for the Dell DXP061 as it needs BIOS rebootAlan Cox
Closes http://bugzilla.kernel.org/show_bug.cgi?12901 Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk> LKML-Reference: <20090326204524.4454.8776.stgit@localhost.localdomain> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-08posix-timers: fix RLIMIT_CPU && setitimer(CPUCLOCK_PROF)Oleg Nesterov
update_rlimit_cpu() tries to optimize out set_process_cpu_timer() in case when we already have CPUCLOCK_PROF timer which should expire first. But it uses cputime_lt() instead of cputime_gt(). Test case: int main(void) { struct itimerval it = { .it_value = { .tv_sec = 1000 }, }; assert(!setitimer(ITIMER_PROF, &it, NULL)); struct rlimit rl = { .rlim_cur = 1, .rlim_max = 1, }; assert(!setrlimit(RLIMIT_CPU, &rl)); for (;;) ; return 0; } Without this patch, the task is not killed as RLIMIT_CPU demands. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Peter Lojkin <ia6432@inbox.ru> Cc: Roland McGrath <roland@redhat.com> Cc: stable@kernel.org LKML-Reference: <20090327000610.GA10108@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-08posix-timers: fix RLIMIT_CPU && fork()Oleg Nesterov
See http://bugzilla.kernel.org/show_bug.cgi?id=12911 copy_signal() copies signal->rlim, but RLIMIT_CPU is "lost". Because posix_cpu_timers_init_group() sets cputime_expires.prof_exp = 0 and thus fastpath_timer_check() returns false unless we have other expired cpu timers. Change copy_signal() to set cputime_expires.prof_exp if we have RLIMIT_CPU. Also, set cputimer.running = 1 in that case. This is not strictly necessary, but imho makes sense. Reported-by: Peter Lojkin <ia6432@inbox.ru> Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Peter Lojkin <ia6432@inbox.ru> Cc: Roland McGrath <roland@redhat.com> Cc: stable@kernel.org LKML-Reference: <20090327000607.GA10104@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-08x86: make 64 bit to use default_inquire_remote_apicYinghai Lu
Impact: restore old behavior for flat and phys_flat Signed-off-by: Yinhai Lu <yinghai@kernel.org. LKML-Reference: <49DCBBF1.8080903@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-08sched: refresh MAINTAINERS entryIngo Molnar
Peter has become a co-maintainer of the scheduler during the last year, and Robert has become inactive - update the MAINTAINERS entry. Acked-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-08Merge commit 'v2.6.30-rc1' into sched/urgentIngo Molnar
Merge reason: update to latest upstream to queue up fix Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-08printk: fix wrong format string iter for printkZhaolei
printk("%Q"); Output before patch: %QQ Output after patch: %Q Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Acked-by: Lai Jiangshan <laijs@cn.fujitsu.com> Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: torvalds@linux-foundation.org Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <49CC97B6.7040809@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-08Merge commit 'v2.6.30-rc1' into core/urgentIngo Molnar
Merge reason: need latest upstream to queue up dependent fix Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-08leds: just ignore invalid GPIOs in leds-gpioDavid Brownell
Fix build problems with leds-gpio: CC drivers/leds/leds-gpio.o drivers/leds/leds-gpio.c: In function 'create_gpio_led': drivers/leds/leds-gpio.c:85: warning: 'return' with no value, in function returning non-void Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
2009-04-08xsysace: Fix dereferencing of cf_id after hd_driveid removalGrant Likely
Commit 4aaf2fec718f6fbf38668edf733a0ab09a49cab1 (xsysace: make it 'struct hd_driveid'-free) converted the cf_id member of 'struct ace_device' from a 'struct hd_driveid' to a u16 array. However, references to the base of the structure were still using the '&' operator. When the address was used with the ata_id_u32() macro, the compiler used the size of the entire array instead of sizeof(u16) to calculate the offset from the base address. This patch removes the use of the '&' operator from all references of cf_id to fix the bug and remove future confusion. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08at91_ide: turn on PIO 6 supportStanislaw Gruszka
As we have already PIO 6 transfer mode supported in IDE layer, we can turn it on in the driver. Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl> Tested-by: "Steve Wootton" <swootton@esi-estech.com> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08at91_ide: remove unused ide_mm_{outb,inb}Stanislaw Gruszka
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
2009-04-08ide-cd: reverse NOT_READY sense key logicBorislav Petkov
Make the case of flushing the drive's cache explicit. There should be no functional change resulting from this patch. Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide: refactor tf_read() methodSergei Shtylyov
Simplify tf_read() method, making it deal only with 'struct ide_taskfile' and the validity flags that the upper layer passes, and factoring out the code that deals with the high order bytes into ide_tf_readback() to be called from the only two functions interested, ide_complete_cmd() and ide_dump_sector(). This should stop the needless code duplication in this method and so make it about twice smaller than it was; along with simplifying the setup for the method call, this should save both time and space... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide: refactor tf_load() methodSergei Shtylyov
Simplify tf_load() method, making it deal only with 'struct ide_taskfile' and the validity flags that the upper layer passes, and moving the code that deals with the high order bytes into the only function interested, do_rw_taskfile(). This should stop the needless code duplication in this method and so make it about twice smaller than it was; along with simplifying the setup for the method call, this should save both time and space... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide: call write_devctl() method from tf_read() methodSergei Shtylyov
Use write_devctl() method to clear/set the HOB bit in tf_read() method. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide: move common code out of tf_load() methodSergei Shtylyov
Move device register masking (and setting drive->select) out of tf_load() method and into the only function that needs to use this code, do_rw_taskfile()... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> [bart: fix whitespace error] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide: simplify 'struct ide_taskfile'Sergei Shtylyov
Make 'struct ide_taskfile' cover only 8 register values and thus put two such fields ('tf' and 'hob') into 'struct ide_cmd', dropping unnecessary 'tf_array' field from it. This required changing the prototype of ide_get_lba_addr() and ide_tf_dump(). Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> [bart: fix setting of ATA_LBA bit for LBA48 commands in __ide_do_rw_disk()] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide: replace IDE_TFLAG_* flags by IDE_VALID_*Sergei Shtylyov
Replace IDE_TFLAG_{IN|OUT}_* flags meaning to the taskfile register validity on input/output by the IDE_VALID_* flags and introduce 4 symmetric 8-bit register validity indicator subfields, 'valid.{input/output}.{tf|hob}', into the 'struct ide_cmd' instead of using the 'tf_flags' field for that purpose (this field can then be turned from 32-bit into 8-bit one). Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide-cd: fix intendation in cdrom_decode_status()Bartlomiej Zolnierkiewicz
Based on earlier work by Borislav Petkov. Fix intendation in cdrom_decode_status(), no real code changes. While at it: - beautify comments There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide-cd: unify handling of fs and pc requests in cdrom_decode_status()Bartlomiej Zolnierkiewicz
Based on earlier work by Borislav Petkov. Unify handling of fs and pc requests in cdrom_decode_status(). While at it: - remove unreachable code The only change in functionality is that for pc requests more detailed error message will be printed for following sense keys: * ILLEGAL_REQUEST * DATA_PROTECT * MEDIUM_ERROR * BLANK_CHECK Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide-cd: convert cdrom_decode_status() to use switch statementsBartlomiej Zolnierkiewicz
Based on earlier work by Borislav Petkov. Convert cdrom_decode_status() to use switch statements in preparation to unify handling of fs and pc requests. While at it: - remove superfluous comments and do minor CodingStyle fixups There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide-cd: update debugging supportBorislav Petkov
Signed-off-by: Borislav Petkov <petkovbb@gmail.com> [bart: extracted from "ide-cd: cleanup cdrom_decode_status" patch] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide-cd: respect REQ_QUIET for fs requests in cdrom_decode_status()Borislav Petkov
There should be no functional change resulting from this patch. Suggested-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide: remove unused #include <linux/version.h>Huang Weiyi
Remove unused #include <linux/version.h> in drivers/ide/at91_ide.c. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08tx4939ide: Fix tx4939ide_{in,out}put_data_swap argumentAtsushi Nemoto
The commit adb1af9 ("ide: pass command instead of request to ide_pio_datablock()") missed tx4939ide driver. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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