aboutsummaryrefslogtreecommitdiff
AgeCommit message (Collapse)Author
2008-10-20PCI PM: Introduce function pci_wake_from_d3Rafael J. Wysocki
Many device drivers use the following sequence of statements to enable the device to wake up the system while being in the D3_hot or D3_cold low power state: pci_enable_wake(pdev, PCI_D3hot, 1); pci_enable_wake(pdev, PCI_D3cold, 1); However, the second call is not necessary if the first one succeeds (the ordering of the statements above doesn't matter here) and it may even be harmful, because we are not supposed to enable PME# after the wake-up power has been enabled for the device. To allow drivers to overcome this problem, introduce function pci_wake_from_d3() that will enable the device to wake up the system from any of D3_hot and D3_cold as long as the wake-up from at least one of them is supported. Acked-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-10-20PCI: allow quirks to be compiled outThomas Petazzoni
This patch adds the CONFIG_PCI_QUIRKS option which allows to remove all the PCI quirks, which are not necessarily used on embedded systems when PCI is working properly. As this is a size-reduction option, it depends on CONFIG_EMBEDDED. It allows to save almost 12 kilobytes of kernel code: text data bss dec hex filename 1287806 123596 212992 1624394 18c94a vmlinux.old 1275854 123596 212992 1612442 189a9a vmlinux -11952 0 0 -11952 -2EB0 +/- This patch has originally been written by Zwane Mwaikambo <zwane@arm.linux.org.uk> and is part of the Linux Tiny project. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-10-20PCI: Check dynids driver_data value for validityJean Delvare
Only accept dynids whose driver_data value matches one of the driver's pci_driver_id entries. This prevents the user from accidentally passing values the drivers do not expect. Cc: Milton Miller <miltonm@bga.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-10-20PCI: remove dynids.use_driver_dataMilton Miller
The driver flag dynids.use_driver_data is almost consistently not set, and causes more problems than it solves. It was initially intended as a flag to indicate whether a driver's usage of driver_data had been carefully inspected and was ready for values from userspace. That audit was never done, so most drivers just get a 0 for driver_data when new IDs are added from userspace via sysfs. So remove the flag, allowing drivers to see the data directly (a followon patch validates the passed driver_data value against what the drivers expect). Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-10-20Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: s3cmci: Add Ben Dooks/Simtec Electronics to header & copyright s3cmci: fix continual accesses to host->pio_ptr s3cmci: Support transfers which are not multiple of 32 bits. s3cmci: cpufreq support s3cmci: Make general protocol errors less noisy mmc_block: tell block layer there is no seek penalty
2008-10-20Merge git://git.infradead.org/battery-2.6Linus Torvalds
* git://git.infradead.org/battery-2.6: bq27x00_battery: use unaligned access helper power_supply: fix dependency of tosa_battery power_supply: Support for Texas Instruments BQ27200 battery managers power_supply: Add function to return system-wide power state pda_power: Check and handle return value of set_irq_wake
2008-10-20epca: Add infinite break supportAlan Cox
The EPCA can support indefinte break lengths and with info from digi that can now be added Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20Merge branch 'for-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: (26 commits) 9p: add more conservative locking 9p: fix oops in protocol stat parsing error path. 9p: fix device file handling 9p: Improve debug support 9p: eliminate depricated conv functions 9p: rework client code to use new protocol support functions 9p: remove unnecessary tag field from p9_req_t structure 9p: remove 9p fcall debug prints 9p: add new protocol support code 9p: encapsulate version function 9p: move dirread to fs layer 9p: adjust 9p vfs write operation 9p: move readn meta-function from client to fs layer 9p: consolidate read/write functions 9p: drop broken unused error path from p9_conn_create() 9p: make rpc code common and rework flush code 9p: use the rcall structure passed in the request in trans_fd read_work 9p: apply common request code to trans_fd 9p: apply common tagpool handling to trans_fd 9p: move request management to client code ...
2008-10-20Merge git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds
* git://git.linux-nfs.org/projects/trondmy/nfs-2.6: NFS: use correct fs type for v4 submounts and referrals Make nfs_file_cred more robust. NFS: Enable NFSv4 callback server to listen on AF_INET6 sockets
2008-10-20Merge branch 'for-next' of git://git.o-hand.com/linux-mfdLinus Torvalds
* 'for-next' of git://git.o-hand.com/linux-mfd: mfd: further unbork the ucb1400 ac97_bus dependencies mfd: ucb1400 needs GPIO mfd: ucb1400 sound driver uses/depends on AC97_BUS: mfd: Don't use NO_IRQ in WM8350 mfd: update TMIO drivers to use the clock API mfd: twl4030-core irq simplification mfd: add base support for Dialog DA9030/DA9034 PMICs mfd: TWL4030 core driver mfd: support tmiofb cell on tc6393xb mfd: add OHCI cell to tc6393xb mfd: Fix htc-egpio compile warning mfd: do tcb6393xb state restore on resume only if requested mfd: provide and use setup hook for tc6393xb mfd: update sm501 debugging/low information messages mfd: reduce stack usage in mfd-core.c
2008-10-20Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6Linus Torvalds
* 'linux-next' of git://git.infradead.org/ubifs-2.6: (25 commits) UBIFS: fix ubifs_compress commentary UBIFS: amend printk UBIFS: do not read unnecessary bytes when unpacking bits UBIFS: check buffer length when scanning for LPT nodes UBIFS: correct condition to eliminate unecessary assignment UBIFS: add more debugging messages for LPT UBIFS: fix bulk-read handling uptodate pages UBIFS: improve garbage collection UBIFS: allow for sync_fs when read-only UBIFS: commit on sync_fs UBIFS: correct comment for commit_on_unmount UBIFS: update dbg_dump_inode UBIFS: fix commentary UBIFS: fix races in bit-fields UBIFS: ensure data read beyond i_size is zeroed out correctly UBIFS: correct key comparison UBIFS: use bit-fields when possible UBIFS: check data CRC when in error state UBIFS: improve znode splitting rules UBIFS: add no_chk_data_crc mount option ...
2008-10-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (112 commits) sh: Move SH-4 CPU headers down one more level. sh: Only build in gpio.o when CONFIG_GENERIC_GPIO is selected. sh: Migrate common board headers to mach-common/. sh: Move the CPU definition headers from asm/ to cpu/. serial: sh-sci: Add support SCIF of SH7723 video: add sh_mobile_lcdc platform flags video: remove unused sh_mobile_lcdc platform data sh: remove consistent alloc cruft sh: add dynamic crash base address support sh: reduce Migo-R smc91x overruns sh: Fix up some merge damage. Fix debugfs_create_file's error checking method for arch/sh/mm/ Fix debugfs_create_dir's error checking method for arch/sh/kernel/ sh: ap325rxa: Add support RTC RX-8564LC in AP325RXA board sh: Use sh7720 GPIO on magicpanelr2 board sh: Add sh7720 pinmux code sh: Use sh7203 GPIO on rsk7203 board sh: Add sh7203 pinmux code sh: Use sh7723 GPIO on AP325RXA board sh: Add sh7723 pinmux code ...
2008-10-20pci: Use new %pR to print resource rangesBenjamin Herrenschmidt
This converts things in drivers/pci to use %pR to printout the content of a struct resource instead of hand-casted %llx or other variants. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20Implement %pR to print struct resource contentLinus Torvalds
Add a %pR option to the kernel vsnprintf that prints the range of addresses inside a struct resource passed by pointer. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: ASoC: OMAP: Fix DSP DAI format in McBSP DAI driver go7007 - Add missing dependency on sound subsystem ALSA: ps3: Add support for SPDIF/HDMI passthru ps3: Add passthru support for non-audio streams ps3: Add ps3av_audio_mute_analog() ALSA: misc typo fixes sound: add missing pcm kernel-doc
2008-10-20staging: sxg depends on X86Stephen Rothwell
sxghif.h has code that explicitly will not build fo other architecures. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: netfilter: replace old NF_ARP calls with NFPROTO_ARP netfilter: fix compilation error with NAT=n netfilter: xt_recent: use proc_create_data() netfilter: snmp nat leaks memory in case of failure netfilter: xt_iprange: fix range inversion match netfilter: netns: use NFPROTO_NUMPROTO instead of NUMPROTO for tables array netfilter: ctnetlink: remove obsolete NAT dependency from Kconfig pkt_sched: sch_generic: Fix oops in sch_teql dccp: Port redirection support for DCCP tcp: Fix IPv6 fallout from 'Port redirection support for TCP' netdev: change name dropping error codes ipvs: Update CONFIG_IP_VS_IPV6 description and help text
2008-10-20Merge git://git.infradead.org/mtd-2.6Linus Torvalds
* git://git.infradead.org/mtd-2.6: (69 commits) Revert "[MTD] m25p80.c code cleanup" [MTD] [NAND] GPIO driver depends on ARM... for now. [MTD] [NAND] sh_flctl: fix compile error [MTD] [NOR] AT49BV6416 has swapped erase regions [MTD] [NAND] GPIO NAND flash driver [MTD] cmdlineparts documentation change - explain where mtd-id comes from [MTD] cfi_cmdset_0002.c: Add Macronix CFI V1.0 TopBottom detection [MTD] [NAND] Fix compilation warnings in drivers/mtd/nand/cs553x_nand.c [JFFS2] Write buffer offset adjustment for NOR-ECC (Sibley) flash [MTD] mtdoops: Fix a bug where block may not be erased [MTD] mtdoops: Add a magic number to logged kernel oops [MTD] mtdoops: Fix an off by one error [JFFS2] Correct parameter names of jffs2_compress() in comments [MTD] [NAND] sh_flctl: add support for Renesas SuperH FLCTL [MTD] [NAND] Bug on atmel_nand HW ECC : OOB info not correctly written [MTD] [MAPS] Remove unused variable after ROM API cleanup. [MTD] m25p80.c extended jedec support (v2) [MTD] remove unused mtd parameter in of_mtd_parse_partitions() [MTD] [NAND] remove dead Kconfig associated with !CONFIG_PPC_MERGE [MTD] [NAND] driver extension to support NAND on TQM85xx modules ...
2008-10-20x86: sysfs: kill owner field from attributeParag Warudkar
Tejun's commit 7b595756ec1f49e0049a9e01a1298d53a7faaa15 made sysfs attribute->owner unnecessary. But the field was left in the structure to ease the merge. It's been over a year since that change and it is now time to start killing attribute->owner along with its users - one arch at a time! This patch is attempt #1 to get rid of attribute->owner only for CONFIG_X86_64 or CONFIG_X86_32 . We will deal with other arches later on as and when possible - avr32 will be the next since that is something I can test. Compile (make allyesconfig / make allmodconfig / custom config) and boot tested. akpm: the idea is that we put the declaration of sttribute.owner inside `#ifndef CONFIG_X86'. But that proved to be too ambitious for now because new usages kept on turning up in subsystem trees. [akpm: remove the ifdef for now] Signed-off-by: Parag Warudkar <parag.lkml@gmail.com> Cc: Greg KH <greg@kroah.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Tejun Heo <htejun@gmail.com> Cc: Len Brown <lenb@kernel.org> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Jean Delvare <khali@linux-fr.org> Cc: Roland Dreier <rolandd@cisco.com> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20fs/Kconfig: move CIFS outAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Steven French <sfrench@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20include/linux/bcd.h: remove commentsAdrian Bunk
- the macros are gone - there's no more code in this file, LGPL + GPL = GPL, and the code that was moved to lib/bcd.c is anyway trivial Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20remove the obsolete BCD*BIN/BIN*BCD macrosAdrian Bunk
Remove the following obsolete macros: - BCD2BIN - BIN2BCD - BCD_TO_BIN - BIN_TO_BCD Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20drivers/scsi/sr_vendor.c: use bcd2binAdrian Bunk
Change sr_vendor.c to use the new bcd2bin function instead of the obsolete BCD2BIN macro. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20i2c: use bcd2bin/bin2bcdAdrian Bunk
Change i2c to use the new bcd2bin/bin2bcd functions instead of the obsolete BCD2BIN/BIN2BCD macros. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20mn10300: use bcd2bin/bin2bcdAdrian Bunk
Change mn10300 to use the new bcd2bin/bin2bcd functions instead of the obsolete BCD_TO_BIN/BIN_TO_BCD macros. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20mips: use bcd2bin/bin2bcdAdrian Bunk
Changes mips to use the new bcd2bin/bin2bcd functions instead of the obsolete BCD_TO_BIN/BIN_TO_BCD/BCD2BIN/BIN2BCD macros. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20drivers/rtc/rtc-bq4802.c: don't use BIN_2_BCD and BCD_2_BINAndrew Morton
These are going away. Cc: Takashi Iwai <tiwai@suse.de> Cc: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20rtc: use bcd2bin/bin2bcdAdrian Bunk
Change various rtc related code to use the new bcd2bin/bin2bcd functions instead of the obsolete BCD_TO_BIN/BIN_TO_BCD/BCD2BIN/BIN2BCD macros. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20drivers/rtc/: use bcd2bin/bin2bcdAdrian Bunk
Change drivers/rtc/ to use the new bcd2bin/bin2bcd functions instead of the obsolete BCD_TO_BIN/BIN_TO_BCD/BCD2BIN/BIN2BCD macros. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20cris: use bcd2bin/bin2bcdAdrian Bunk
Change cris to use the new bcd2bin/bin2bcd functions instead of the obsolete BCD_TO_BIN/BIN_TO_BCD macros. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Chris Zankel <zankel@tensilica.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20alpha: use bcd2bin/bin2bcdAdrian Bunk
Change alpha to use the new bcd2bin/bin2bcd functions instead of the obsolete BCD_TO_BIN/BIN_TO_BCD macros. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20acpi: use bcd2bin/bin2bcdAdrian Bunk
Change ACPI to use the new bcd2bin/bin2bcd functions instead of the obsolete BCD_TO_BIN/BIN_TO_BCD macros. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20make mm/rmap.c:anon_vma_cachep staticAdrian Bunk
This patch makes the needlessly global anon_vma_cachep static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Rik van Riel <riel@redhat.com> Acked-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20byteorder: remove direct includes of linux/byteorder/swab[b].hHarvey Harrison
A consolidated implementation will provide this generically through asm/byteorder, remove direct includes to avoid breakage when the changeover to the new implementation occurs. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org> Acked-by: "Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20byteorder: provide swabb.h generically in asm/byteorder.hHarvey Harrison
This is needed during the transition to the new byteorder headers as the swabb.h functionality will be provided from asm/byteorder.h in the new version. To avoid breakage on arches still using the old implementation, provide swabb.h from asm/byteorder.h as well. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20byteorder: use generic C version for value byteswappingHarvey Harrison
This makes the new implementation of the byteorder helpers match the old in how it degraded when an arch-defined version was not available: 1) swab() - look for arch defined - if not, use generic c version 2) swabp() - look for arch-defined - if not, deref pointer and use swab() 3) swabs() - look for arch defined - if not, use swabp Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20byteorder: add new headers for make headers-installHarvey Harrison
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20edac cell: fix incorrect edac_modeBenjamin Herrenschmidt
The cell_edac driver is setting the edac_mode field of the csrow's to an incorrect value, causing the sysfs show routine for that field to go out of an array bound and Oopsing the kernel when used. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Doug Thompson <dougthompson@xmission.com> Cc: <stable@kernel.org> [2.6.27.x, 2.6.26.x. 2.6.25.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20pc8736x_gpio: add support for PC87365 chipsAndre Haupt
This is only compile tested, because I do not own appropriate hardware. Signed-off-by: Andre Haupt <andre@bitwigglers.org> Cc: Jim Cromie <jim.cromie@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20message queues: increase range limitsJoe Korty
Increase the range of various posix message queue limits. Posix gives the message queue user the ability to 'trade off' the maximum size of messages with the number of possible messages that can be 'in flight'. Linux currently makes this trade off more restrictive than it needs to be. In particular, the maximum message size today can be made no smaller than 8192. This greatly restricts those applications that would like to have the ability to post large numbers of very small messages. So this task lowers the limit that the maximum message size can be set to, from 8192 to 128. It also lowers the limit that the maximum #number of messages in flight can be set to, from 10 to 1. With these changes the message queue user can make better trade offs between #messages and message size, in order to get everything to fit within the setrlimit(RLIMIT_MSGQUEUE) limit for that particular user. This patch also applies the values in /proc/sys/fs/mqueue/msg_max /proc/sys/fs/mqueue/msgsize_max as the defaults for the max #messages allowed and the max message size allowed, respectively, for those applications that do not supply these. Previously, the defaults were hardwired to 10 and 8192, respectively. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Joe Korty <joe.korty@ccur.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Manfred Spraul <manfred@colorfullife.com> Cc: Nadia Derbey <Nadia.Derbey@bull.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20kdump: add vmlist.addr to vmcoreinfo for x86 vmalloc translation.Ken'ichi Ohmichi
Add the symbols 'vmlist' and offset 'vm_struct.addr' to the vmcoreinfo[1] data for i386 vmalloc translation. makedumpfile[2] needs VMALLOC_START value for distinguishing a vmalloc address or not, because it should choose suitable translation method. If applying this patch, makedumpfile will be able to take VMALLOC_START value from 'vmlist.addr'. vmcoreinfo[1]: The vmcoreinfo data has the minimum debugging information only for dump filtering. makedumpfile[2] uses it to distinguish unnecessary pages and creates a small dumpfile. makedumpfile[2]: dump filtering command https://sourceforge.net/projects/makedumpfile/ Signed-off-by: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20always reserve elfcore header memory in crash kernelSimon Horman
elfcore header memory needs to be reserved in a crash kernel. This means that the relevant code should be protected by CONFIG_CRASH_DUMP rather than CONFIG_PROC_VMCORE. Signed-off-by: Simon Horman <horms@verge.net.au> Cc: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20kdump: add is_vmcore_usable() and vmcore_unusable()Simon Horman
The usage of elfcorehdr_addr has changed recently such that being set to ELFCORE_ADDR_MAX is used by is_kdump_kernel() to indicate if the code is executing in a kernel executed as a crash kernel. However, arch/ia64/kernel/setup.c:reserve_elfcorehdr will rest elfcorehdr_addr to ELFCORE_ADDR_MAX on error, which means any subsequent calls to is_kdump_kernel() will return 0, even though they should return 1. Ok, at this point in time there are no subsequent calls, but I think its fair to say that there is ample scope for error or at the very least confusion. This patch add an extra state, ELFCORE_ADDR_ERR, which indicates that elfcorehdr_addr was passed on the command line, and thus execution is taking place in a crashdump kernel, but vmcore can't be used for some reason. This is tested for using is_vmcore_usable() and set using vmcore_unusable(). A subsequent patch makes use of this new code. To summarise, the states that elfcorehdr_addr can now be in are as follows: ELFCORE_ADDR_MAX: not a crashdump kernel ELFCORE_ADDR_ERR: crashdump kernel but vmcore is unusable any other value: crash dump kernel and vmcore is usable Signed-off-by: Simon Horman <horms@verge.net.au> Cc: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20kdump: use is_kdump_kernel() in sba_init()Simon Horman
o Make use of is_kdump_kernel() rather than checking elfcorehdr_addr directly. o Remove CONFIG_CRASH_DUMP as is_kdump_kernel() is safe to call anywhere o Remove CONFIG_PROC_FS as it is bogus, the check should occur regardless of if CONFIG_PROC_FS is set or not. Signed-off-by: Simon Horman <horms@verge.net.au> Acked-by: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20kdump: update elfcorehdr documentation to reflect supported architecturesSimon Horman
IA64, PPC and SH also support the elfcorehdr command line. Signed-off-by: Simon Horman <horms@verge.net.au> Acked-by: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20kdump: make elfcorehdr_addr independent of CONFIG_PROC_VMCOREVivek Goyal
o elfcorehdr_addr is used by not only the code under CONFIG_PROC_VMCORE but also by the code which is not inside CONFIG_PROC_VMCORE. For example, is_kdump_kernel() is used by powerpc code to determine if kernel is booting after a panic then use previous kernel's TCE table. So even if CONFIG_PROC_VMCORE is not set in second kernel, one should be able to correctly determine that we are booting after a panic and setup calgary iommu accordingly. o So remove the assumption that elfcorehdr_addr is under CONFIG_PROC_VMCORE. o Move definition of elfcorehdr_addr to arch dependent crash files. (Unfortunately crash dump does not have an arch independent file otherwise that would have been the best place). o kexec.c is not the right place as one can Have CRASH_DUMP enabled in second kernel without KEXEC being enabled. o I don't see sh setup code parsing the command line for elfcorehdr_addr. I am wondering how does vmcore interface work on sh. Anyway, I am atleast defining elfcoredhr_addr so that compilation is not broken on sh. Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by: Simon Horman <horms@verge.net.au> Acked-by: Paul Mundt <lethal@linux-sh.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20kthread_bind: use wait_task_inactive(TASK_UNINTERRUPTIBLE)Oleg Nesterov
Now that wait_task_inactive(task, state) checks task->state == state, we can simplify the code and make this debugging check more robust. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Cc: Roland McGrath <roland@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20add CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERSRoland McGrath
This adds a kconfig option to change the /proc/PID/coredump_filter default. Fedora has been carrying a trivial patch to change the hard-wired value for this default, since Fedora 8. The default default can't change safely because there are old GDB versions out there (all before 6.7) that are confused by the core dump files created by the MMF_DUMP_ELF_HEADERS setting. Signed-off-by: Roland McGrath <roland@redhat.com> Cc: Michael Kerrisk <mtk.manpages@googlemail.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Andi Kleen <andi@firstfloor.org> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Kawai Hidehiro <hidehiro.kawai.ez@hitachi.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20coredump: format_corename: don't append .%pid if multi-threadedOleg Nesterov
If the coredumping is multi-threaded, format_corename() appends .%pid to the corename. This was needed before the proper multi-thread core dump support, now all the threads in the mm go into a single unified core file. Remove this special case, it is not even documented and we have "%p" and core_uses_pid. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Cc: Michael Kerrisk <mtk.manpages@googlemail.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Roland McGrath <roland@redhat.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: La Monte Yarroll <piggy@laurelnetworks.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-20make ptrace_untrace() staticAdrian Bunk
ptrace_untrace() can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Roland McGrath <roland@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>