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2008-06-06md: fix prexor vs sync_request raceDan Williams1-0/+5
During the initial array synchronization process there is a window between when a prexor operation is scheduled to a specific stripe and when it completes for a sync_request to be scheduled to the same stripe. When this happens the prexor completes and the stripe is unconditionally marked "insync", effectively canceling the sync_request for the stripe. Prior to 2.6.23 this was not a problem because the prexor operation was done under sh->lock. The effect in older kernels being that the prexor would still erroneously mark the stripe "insync", but sync_request would be held off and re-mark the stripe as "!in_sync". Change the write completion logic to not mark the stripe "in_sync" if a prexor was performed. The effect of the change is to sometimes not set STRIPE_INSYNC. The worst this can do is cause the resync to stall waiting for STRIPE_INSYNC to be set. If this were happening, then STRIPE_SYNCING would be set and handle_issuing_new_read_requests would cause all available blocks to eventually be read, at which point prexor would never be used on that stripe any more and STRIPE_INSYNC would eventually be set. echo repair > /sys/block/mdN/md/sync_action will correct arrays that may have lost this race. Cc: <stable@kernel.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-06-06spi: fix refcount-related spidev oops-on-rmmodDavid Brownell1-30/+34
This addresses other oopsing paths in "spidev" by changing how it manages refcounting. It decouples the lifecycle of the per-device data from the class device (not just the spi device): - Use class_{create,destroy} not class_{register,unregister}. - Use device_{create,destroy} not device_{register,unregister}. - Free the per-device data only when TWO conditions are true: * Driver is unbound from underlying SPI device, and * Device is no longer open (new) Also, spi_{get,set}_drvdata not dev_{get,set}_drvdata for simpler code. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Sebastian Siewior <bigeasy@tglx.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-06-05Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds9-12/+15
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] pxa: fix tosa.c build error [ARM] 5067/1: _raw_write_can_lock macro bugfix [ARM] 5070/1: pxa: add GPIO104_PSKTSEL to pxa27x MFP configuration [ARM] 5068/1: PXA2xx Additional gpio definitions [ARM] 5066/2: EM-X270: Fix DM9000 IRQ flags initialisation [ARM] 5065/2: CM-X270: Fix DM9000 IRQ flags initialisation [ARM] 5062/1: pxa: remove unused definition of CONFIG_ARCH_COTULLA_IDP [ARM] 5060/1: remove unnecessary include of asm/io.h [ARM] fix AT91 include loops
2008-06-05mmc: Fix crash in mmc_block on 64-bitBen Collins1-1/+1
Fairly simple. "dev_use" was being allocated as a zero length array because of bad math on 64-bit systems, causing a crash in find_first_zero_bit(). One-liner follows: Signed-off-by: Ben Collins <ben.collins@canonical.com> Acked-by: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-06-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvbLinus Torvalds65-348/+434
* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (48 commits) V4L/DVB (8001): dib0070: fix dib0070_attach when !CONFIG_DVB_TUNER_DIB0070 V4L/DVB (8000): tda827x: fix NULL pointer in tda827xa_lna_gain V4L/DVB (7990): Fix entry for PowerColor RA 330 and make it run with firmware version 2.7 V4L/DVB (7983): tda18271_calc_rf_cal must return the return value of tda18271_lookup_map V4L/DVB (7978): cx18: explicitly test for XC2028 tuner V4L/DVB (7977): cx18: fix init order and remove duplicate open_on_first_use. V4L/DVB (7975): saa7134_empress V4L/DVB (7974): fix MEDIA_TUNER && FW_LOADER build error V4L/DVB (7972): or51132.c: unaligned V4L/DVB (7971): usb: unaligned V4L/DVB (7970): mix trivial endianness annotations V4L/DVB (7969): m920x: unaligned access V4L/DVB (7968): zoran: endianness annotations V4L/DVB (7967): bt8xx: unaligned access V4L/DVB (7966): cx18: direct dereferencing of iomem V4L/DVB (7965): annotate bcx_riscmem V4L/DVB (7964): cx18 iomem annotations V4L/DVB (7963): ivtv: trivial annotations V4L/DVB (7962): ttusb endianness annotations and fixes V4L/DVB (7961): fix endianness bug in dib0700_devices.c ...
2008-06-05Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds17-168/+101
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: Fix divide by zero error in build_clear_page() and build_copy_page() [MIPS] Fix typo in header guard [MIPS] Fix build error - Delete debugging crap that crept in with CMP [MIPS] Add accessors for random register. [MIPS] IP27: misc fixes [MIPS] IP27: Fix clockevent setup [MIPS] IP27: Fix bootmem memory setup [MIPS] remove CONFIG_CPU_R4000 line from Makefile [MIPS] Fix check for valid stack pointer during backtrace [MIPS] Add missing braces to pte_mkyoung [MIPS] R4700: Fix build_tlb_probe_entry [MIPS] Alchemy: dbdma: add API to delete custom DDMA device ids. [MIPS] Alchemy: export get_au1x00_speed for modules
2008-06-05Merge git://git.infradead.org/~dwmw2/mtd-2.6.26Linus Torvalds3-3/+3
* git://git.infradead.org/~dwmw2/mtd-2.6.26: [MTD] [MAPS] Fix cmdlineparse handling in mapping files [MTD] [NAND] pxa: fix incorrect calling of pxa3xx_nand_config() on resume path
2008-06-05doc: add suggestions about good practises for maintainersWilly Tarreau1-0/+46
Suggest how to deal with patch modifications caused by merging or back-porting when you're a maintainer. Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-06-05asn1: additional sanity checking during BER decodingChris Wright2-0/+28
- Don't trust a length which is greater than the working buffer. An invalid length could cause overflow when calculating buffer size for decoding oid. - An oid length of zero is invalid and allows for an off-by-one error when decoding oid because the first subid actually encodes first 2 subids. - A primitive encoding may not have an indefinite length. Thanks to Wei Wang from McAfee for report. Cc: Steven French <sfrench@us.ibm.com> Cc: stable@kernel.org Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-06-05Add 'rd' alias to new brd ramdisk driverNick Piggin1-0/+1
Alias brd to rd in the hope of helping legacy users. Suggested by Jan. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-06-05x86: fix CONFIG_NONPROMISC_DEVMEM prompt and help textStefan Richter1-8/+12
Here is an attempt to translate the prompt and help text into something which is legible and, as a bonus, correct. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-06-05FRV: ip_fast_csum() requires a memory clobber on its inline asmDavid Howells1-1/+1
ip_fast_csum() requires a memory clobber on its inline asm as it accesses memory in a fashion that gcc can't predict. The GCC manual says: If your assembler instructions access memory in an unpredictable fashion, add `memory' to the list of clobbered registers. This will cause GCC to not keep memory values cached in registers across the assembler instruction and not optimize stores or loads to that memory. The bug hasn't been noticed in FRV, but it has been seen in PA-RISC. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-06-05PNP: skip UNSET MEM resources as well as DISABLED onesBjorn Helgaas1-1/+1
We don't need to reserve "unset" resources. Trying to reserve them results in messages like this, which are ugly but harmless: system 00:08: iomem range 0x0-0x0 could not be reserved Future PNP patches will remove use of IORESOURCE_UNSET, but we still need it for now. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-06-05Fix divide by zero error in build_clear_page() and build_copy_page()Yoichi Yuasa1-4/+6
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-06-05[MIPS] Fix typo in header guardVegard Nossum1-1/+1
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-06-05[MIPS] Fix build error - Delete debugging crap that crept in with CMPRalf Baechle1-19/+0
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-06-05[MIPS] Add accessors for random register.Ralf Baechle1-0/+3
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-06-05[MIPS] IP27: misc fixesThomas Bogendoerfer3-24/+26
- fix PCI interrupt assignment by emulating ioc3 interrupt pin register - use pci_probe_only mode - select correct page size in bridge - remove no longer needed ioc3_sio_init() code [Ralf: Fix for 64kB or larger pagesizes] Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-06-05[MIPS] IP27: Fix clockevent setupThomas Bogendoerfer2-15/+17
Fix breakage introduced by converting hub_rt to clockevent. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-06-05[MIPS] IP27: Fix bootmem memory setupThomas Bogendoerfer1-95/+22
Changes in the generic bootmem code broke memory setup for IP27. This patch fixes this by replacing lots of special IP27 code with generic bootmon code. This has been tested only on a single node. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-06-05[MIPS] remove CONFIG_CPU_R4000 line from MakefileAdrian Bunk1-1/+0
The existing options are named CONFIG_CPU_R4300 and CONFIG_CPU_R4X00, and they are directly below. Reported-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-06-05[MIPS] Fix check for valid stack pointer during backtraceThomas Bogendoerfer1-7/+9
The newly added check for valid stack pointer address breaks at least for 64bit kernels. Use __get_user() for accessing stack content to avoid crashes, when doing the backtrace. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-06-05[MIPS] Add missing braces to pte_mkyoungIlpo Järvinen1-1/+2
Only the version pte_mkyoung for 36-bit pagetables on 32-bit hw was affected and with this bug being around since November 29, 2004 there is evidence to suport the assumption it was benign ;-) Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-06-05[MIPS] R4700: Fix build_tlb_probe_entryThomas Bogendoerfer1-1/+2
Treat R4700 like R4600 in build_tlb_probe_entry. Without this fix kernel will lock up. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-06-05[MIPS] Alchemy: dbdma: add API to delete custom DDMA device ids.Manuel Lauss2-0/+12
Add API to delete custom DDMA device ids create with au1xxx_ddma_device_add(). Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-06-05[MIPS] Alchemy: export get_au1x00_speed for modulesManuel Lauss1-0/+1
au1xmmc.c driver depends on it, so export it for modules. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-06-05libata: fix G5 SATA broken on -rc5Hugh Dickins1-1/+1
Fix G5 SATA irq 18: nobody cared, reported on -rc5 by Olaf Hering: fixlet to a57c1bade5a0ee5cd8b74502db9cbebb7f5780b2 libata-sff: Fix oops reported in kerneloops.org for pnp devices with no ctl Signed-off-by: Hugh Dickins <hugh@veritas.com> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Tested-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-06-05V4L/DVB (8001): dib0070: fix dib0070_attach when !CONFIG_DVB_TUNER_DIB0070Michael Krufky1-1/+14
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (8000): tda827x: fix NULL pointer in tda827xa_lna_gainSigmund Augdal1-2/+2
Check that tda827x_config is defined before attempting to use it. Signed-off-by: Sigmund Augdal <sigmund@snap.tv> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7990): Fix entry for PowerColor RA 330 and make it run with ↵Daniel Gimpelevich2-4/+11
firmware version 2.7 Signed-off-by: Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7983): tda18271_calc_rf_cal must return the return value of ↵Michael Krufky1-2/+2
tda18271_lookup_map On the TDA18271HD/C1, we perform RF tracking filter correction for VHF low band, only. If supplied a frequency out of range, the error must be returned to the caller (tda18271c1_rf_tracking_filter_calibration) so that it can decide whether or not to write to register EB14, RFC_CPROG[7:0] Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7978): cx18: explicitly test for XC2028 tunerHans Verkuil1-1/+1
Testing whether xceive_pin is non-zero is not good enough as 0 is a valid value. Instead explicitly test whether the Xceive tuner is used. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7977): cx18: fix init order and remove duplicate open_on_first_use.Hans Verkuil1-12/+10
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7975): saa7134_empressDmitri Belimov1-2/+1
This is patch for fix data structure in querycap syscall. Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7974): fix MEDIA_TUNER && FW_LOADER build errorIngo Molnar1-0/+1
-tip testing found the following build failure: LD .tmp_vmlinux1 drivers/built-in.o: In function `generic_set_freq': tuner-xc2028.c:(.text+0xbd896): undefined reference to `request_firmware' tuner-xc2028.c:(.text+0xbdd7a): undefined reference to `release_firmware' drivers/built-in.o: In function `xc_load_fw_and_init_tuner': xc5000.c:(.text+0xc68e6): undefined reference to `request_firmware' xc5000.c:(.text+0xc6abe): undefined reference to `release_firmware' with this config: http://redhat.com/~mingo/misc/config-Tue_May_20_18_11_34_CEST_2008.bad the reason is another kconfig tool bug that has to be worked around in the driver's Kconfig file: if FW_LOADER is selected in a second dependency, that is not properly propagated up the dependencies. in this case, FW_LOADER is selected from MEDIA_TUNER_XC2028: config MEDIA_TUNER_XC2028 tristate "XCeive xc2028/xc3028 tuners" depends on VIDEO_MEDIA && I2C depends on HOTPLUG select FW_LOADER which got selected by MEDIA_TUNER: config MEDIA_TUNER tristate default VIDEO_MEDIA && I2C depends on VIDEO_MEDIA && I2C select FW_LOADER if !MEDIA_TUNER_CUSTOMIZE && HOTPLUG but the kconfig tool did not pick up this second-order dependency and allowed CONFIG_FW_LOADER=m to be selected - in which case the build fails. the workaround i found was to move the select of FW_LOADER one level up, so that the buggy kconfig tool can notice it and can act appropriately. This problem can probably be worked around in other ways as well, i went for the minimal fix. Obviously, the kconfig tool should be fixed, it is not reasonable to expect driver authors to do manual dependency resolution (that kconfig itself already does) and uglify the Kconfig files. The kconfig tool did nothing to warn about this situation and did not prevent this faulty .config from being constructed. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7972): or51132.c: unalignedAl Viro1-3/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7971): usb: unalignedAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7970): mix trivial endianness annotationsAl Viro2-5/+5
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7969): m920x: unaligned accessAl Viro1-3/+4
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7968): zoran: endianness annotationsAl Viro3-5/+5
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7967): bt8xx: unaligned accessAl Viro1-2/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7966): cx18: direct dereferencing of iomemAl Viro1-4/+6
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7965): annotate bcx_riscmemAl Viro5-14/+16
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7964): cx18 iomem annotationsAl Viro6-12/+13
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7963): ivtv: trivial annotationsAl Viro6-10/+16
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7962): ttusb endianness annotations and fixesAl Viro3-18/+19
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7961): fix endianness bug in dib0700_devices.cAl Viro1-10/+11
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7960): net: endianness annotationsAl Viro1-6/+6
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7959): endianness fix in flexcop-usb.cAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-05V4L/DVB (7958): fix unaligned access in av7110.cAl Viro1-4/+5
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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