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2008-12-03Phonet: basic net namespace supportRémi Denis-Courmont
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-03xfrm: Accept XFRM_STATE_AF_UNSPEC SAs on IPv4/IPv6 only hostsMartin Willi
Installing SAs using the XFRM_STATE_AF_UNSPEC fails on hosts with support for one address family only. This patch accepts such SAs, even if the processing of not supported packets will fail. Signed-off-by: Martin Willi <martin@strongswan.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-03xfrm: Cleanup for unlink SPD entryWei Yongjun
Used __xfrm_policy_unlink() to instead of the dup codes when unlink SPD entry. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-03Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2008-12-03xfrm: Fix kernel panic when flush and dump SPD entriesWei Yongjun
After flush the SPD entries, dump the SPD entries will cause kernel painc. Used the following commands to reproduct: - echo 'spdflush;' | setkey -c - echo 'spdadd 3ffe:501:ffff:ff01::/64 3ffe:501:ffff:ff04::/64 any -P out ipsec \ ah/tunnel/3ffe:501:ffff:ff00:200:ff:fe00:b0b0-3ffe:501:ffff:ff02:200:ff:fe00:a1a1/require;\ spddump;' | setkey -c - echo 'spdflush; spddump;' | setkey -c - echo 'spdadd 3ffe:501:ffff:ff01::/64 3ffe:501:ffff:ff04::/64 any -P out ipsec \ ah/tunnel/3ffe:501:ffff:ff00:200:ff:fe00:b0b0-3ffe:501:ffff:ff02:200:ff:fe00:a1a1/require;\ spddump;' | setkey -c This is because when flush the SPD entries, the SPD entry is not remove from the list. This patch fix the problem by remove the SPD entry from the list. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-03Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-next-2.6
2008-12-03Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/ixgbe/ixgbe_main.c drivers/net/smc91x.c
2008-12-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: [WATCHDOG] hpwdt: Fix kdump when using hpwdt [WATCHDOG] hpwdt: set the mapped BIOS address space as executable [WATCHDOG] iTCO_wdt: add PCI ID's for ICH9 & ICH10 chipsets [WATCHDOG] iTCO_wdt : correct status clearing [WATCHDOG] iTCO_wdt : problem with rebooting on new ICH9 based motherboards [WATCHDOG] fix mtx1_wdt compilation failure
2008-12-02Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6Linus Torvalds
* 'linux-next' of git://git.infradead.org/ubifs-2.6: UBIFS: pre-allocate bulk-read buffer UBIFS: do not allocate too much UBIFS: do not print scary memory allocation warnings UBIFS: allow for gaps when dirtying the LPT UBIFS: fix compilation warnings MAINTAINERS: change UBI/UBIFS git tree URLs UBIFS: endian handling fixes and annotations UBIFS: remove printk
2008-12-02Merge branch 'kvm-updates/2.6.28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm * 'kvm-updates/2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: KVM: MMU: avoid creation of unreachable pages in the shadow KVM: ppc: stop leaking host memory on VM exit KVM: MMU: fix sync of ptes addressed at owner pagetable KVM: ia64: Fix: Use correct calling convention for PAL_VPS_RESUME_HANDLER KVM: ia64: Fix incorrect kbuild CFLAGS override KVM: VMX: Fix interrupt loss during race with NMI KVM: s390: Fix problem state handling in guest sigp handler
2008-12-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Fix offset calculation in compute_size() rtc: rtc-starfire fixes
2008-12-02Merge 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: (30 commits) MAINTAINERS: add netdev to ATM ATM: horizon, fix hrz_probe fail path pppol2tp: Add missing sock_put() in pppol2tp_release() net: Fix soft lockups/OOM issues w/ unix garbage collector macvlan: don't broadcast PAUSE frames to macvlan devices Phonet: fix oops in phonet_address_del() on non-Phonet device netfilter: ctnetlink: fix GFP_KERNEL allocation under spinlock sungem: Fix PCS_MIICTRL register write in gem_init_phy(). net: make skb_truesize_bug() call WARN() net: hp-plus uses eip_poll net/wireless/reg.c: fix bad WARN_ON in if statement ath5k: disable beacon filter when station is not associated ath5k: fix Security issue in DebugFS part of ath5k ath9k: correct expected max RX buffer size ath9k: Fix SW-IOMMU bounce buffer starvation mac80211 : Fix setting ad-hoc mode and non-ibss channel iwlagn: fix DMA sync phylib: Add Vitesse VSC8221 SGMII PHY rose: zero length frame filtering in af_rose.c bridge: netfilter: fix update_pmtu crash with GRE ...
2008-12-02Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: Update defconfigs for 2.6.28-rc7 macfb: Do not overflow fb_fix_screeninfo.id
2008-12-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: alim15x3: fix sparse warning ide: remove dead code from drive_is_ready() ide: fix build for DEBUG_PM ide: respect current DMA setting during resume ide: add SAMSUNG SP0822N with firmware WA100-10 to ivb_list[] amd74xx: workaround unreliable AltStatus register for nVidia controllers ide: fix the ide_release_lock imbalance
2008-12-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] stex: switch to block timeout [SCSI] make scsi_eh_try_stu use block timeout [SCSI] megaraid_sas: switch to block timeout [SCSI] ibmvscsi: switch to block timeout [SCSI] aacraid: switch to block timeout [SCSI] zfcp: prevent double decrement on host_busy while being busy [SCSI] zfcp: fix deadlock between wq triggered port scan and ERP [SCSI] zfcp: eliminate race between validation and locking [SCSI] zfcp: verify for correct rport state before scanning for SCSI devs [SCSI] zfcp: returning an ERR_PTR where a NULL value is expected [SCSI] zfcp: Fix opening of wka ports [SCSI] zfcp: fix remote port status check [SCSI] fc_transport: fix old bug on bitflag definitions [SCSI] Fix hang in starved list processing
2008-12-02MN10300: Fix application of kernel module relocationsMark Salter
This fixes the MN10300 kernel module linking to match the toolchain. RELA relocs don't use the value at the location being relocated. This has been working because the tools always leave the value at the target location cleared. Signed-off-by: Mark Salter <msalter@redhat.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02sgi-gru: call fs_initcall() if statically linkedDean Nelson
If xpc.ko and gru.ko are both statically linked into the kernel, then xpc_init() can get called before gru_init() and make a call to one of the gru's exported functions before the gru has initialized itself. The end result is a NULL dereference. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02powerpc: Use physical cpu id when setting the processor affinityKumar Gala
In the CONFIG_SMP case the irq_choose_cpu() code was returning back a logical cpu id not the physical id. We were writing that directly into the HW register. We need to be calling get_hard_smp_processor_id() so irq_choose_cpu() always returns a physical cpu id. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02vmscan: evict streaming IO firstRik van Riel
Count the insertion of new pages in the statistics used to drive the pageout scanning code. This should help the kernel quickly evict streaming file IO. We count on the fact that new file pages start on the inactive file LRU and new anonymous pages start on the active anon list. This means streaming file IO will increment the recent scanned file statistic, while leaving the recent rotated file statistic alone, driving pageout scanning to the file LRUs. Pageout activity does its own list manipulation. Signed-off-by: Rik van Riel <riel@redhat.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Tested-by: Gene Heskett <gene.heskett@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02bdi: register sysfs bdi device only once per queueKay Sievers
Devices which share the same queue, like floppies and mtd devices, get registered multiple times in the bdi interface, but bdi accounts only the last registered device of the devices sharing one queue. On remove, all earlier registered devices leak, stay around in sysfs, and cause "duplicate filename" errors if the devices are re-created. This prevents the creation of multiple bdi interfaces per queue, and the bdi device will carry the dev_t name of the block device which is the first one registered, of the pool of devices using the same queue. [akpm@linux-foundation.org: add a WARN_ON so we know which drivers are misbehaving] Tested-by: Peter Korsgaard <jacmet@sunsite.dk> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02nfsd: fix vm overcommit crash fix #2Junjiro R. Okajima
The previous patch from Alan Cox ("nfsd: fix vm overcommit crash", commit 731572d39fcd3498702eda4600db4c43d51e0b26) fixed the problem where knfsd crashes on exported shmemfs objects and strict overcommit is set. But the patch forgot supporting the case when CONFIG_SECURITY is disabled. This patch copies a part of his fix which is mainly for detecting a bug earlier. Acked-by: James Morris <jmorris@namei.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Junjiro R. Okajima <hooanon05@yahoo.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02Merge branch 'master' of ↵David S. Miller
ssh://master.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
2008-12-02mac8390: update to net_device_opsStephen Hemminger
Another related 8390 driver. Since this is for nubus, not sure if anyone still has the hardware? Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-02etherh: build fix for net-nextStephen Hemminger
Fix build of ARM etherh driver with new net_device_ops. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-02m68k: Update defconfigs for 2.6.28-rc7Geert Uytterhoeven
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2008-12-02alim15x3: fix sparse warningHannes Eder
Fix this sparse warning: drivers/ide/alim15x3.c:594:2: warning: returning void-valued expression Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-02ide: remove dead code from drive_is_ready()Bartlomiej Zolnierkiewicz
We guarantee 400ns delay at the time of issuing the command. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-02ide: fix build for DEBUG_PMBartlomiej Zolnierkiewicz
Also while at it: * Drop unused arguments from ide_complete_power_step(). * Move DEBUG_PM printk() from ide_end_drive_cmd() to ide_complete_power_step(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-02ide: respect current DMA setting during resumeBartlomiej Zolnierkiewicz
Respect current DMA setting during resume, otherwise PIO timings may get destroyed if host uses shared PIO/MWDMA timings. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-02ide: add SAMSUNG SP0822N with firmware WA100-10 to ivb_list[]Bartlomiej Zolnierkiewicz
Should fix kernel.org bug #10225: http://bugzilla.kernel.org/show_bug.cgi?id=10225 Reported-by: Matthias B. <haferfrost@web.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Acked-by: Sergei Shtyltov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-02amd74xx: workaround unreliable AltStatus register for nVidia controllersBartlomiej Zolnierkiewicz
It seems that on some nVidia controllers using AltStatus register can be unreliable so default to Status register if the PCI device is in Compatibility Mode. In order to achieve this: * Add ide_pci_is_in_compatibility_mode() inline helper to <linux/ide.h>. * Add IDE_HFLAG_BROKEN_ALTSTATUS host flag and set it in amd74xx host driver for nVidia controllers in Compatibility Mode. * Teach actual_try_to_identify() and drive_is_ready() about the new flag. This fixes the regression caused by removal of CONFIG_IDEPCI_SHARE_IRQ config option in 2.6.25 and using AltStatus register unconditionally when available (kernel.org bugs #11659 and #10216). [ Moreover for CONFIG_IDEPCI_SHARE_IRQ=y (which is what most people and distributions use) it never worked correctly. ] Thanks to Remy LABENE and Lars Winterfeld for help with debugging the problem. More info at: http://bugzilla.kernel.org/show_bug.cgi?id=11659 http://bugzilla.kernel.org/show_bug.cgi?id=10216 Reported-by: Remy LABENE <remy.labene@free.fr> Tested-by: Remy LABENE <remy.labene@free.fr> Tested-by: Lars Winterfeld <lars.winterfeld@tu-ilmenau.de> Acked-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-02ide: fix the ide_release_lock imbalanceMichael Schmitz
ide_release_lock() spits out lots of: ide_release_lock: bug warnings on Atari Falcon. Fix the ide_release_lock imbalance. Signed-off-by: Michael Schmitz <schmitz@biophys.uni-duesseldorf.de> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-02macfb: Do not overflow fb_fix_screeninfo.idFinn Thain
Don't overflow the 16-character fb_fix_screeninfo id string (fixes some console erasing and blanking artifacts). Have the ID default to "Unknown" on machines with no built-in video and no nubus devices. Check for fb_alloc_cmap failure. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2008-12-02virtio_net: large tx MTU supportMark McLoughlin
We don't really have a max tx packet size limit, so allow configuring the device with up to 64k tx MTU. Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-12-02net: percpu_counter_inc() should not be called in BH-disabled sectionEric Dumazet
Based upon a lockdep report by Alexey Dobriyan. I checked all per_cpu_counter_xxx() usages in network tree, and I think all call sites are BH enabled except one in inet_csk_listen_stop(). commit dd24c00191d5e4a1ae896aafe33c6b8095ab4bd1 (net: Use a percpu_counter for orphan_count) replaced atomic_t orphan_count to a percpu_counter. atomic_inc()/atomic_dec() can be called from any context, while percpu_counter_xxx() should be called from a consistent state. For orphan_count, this context can be the BH-enabled one. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-02dccp: Feature activation handlersGerrit Renker
This patch provides the post-processing of feature negotiation state, after the negotiation has completed. To this purpose, handlers are used and added to the dccp_feat_table. Each handler is passed a boolean flag whether the RX or TX side of the feature is meant. Several handlers are provided already, new handlers can easily be added. The initialisation is now fully dynamic, i.e. CCIDs are activated only after the feature negotiation. The integration of this dynamic activation is done in the subsequent patches. Thanks to Wei Yongjun for pointing out the necessity of skipping over empty Confirm options while copying the negotiated feature values. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-02dccp: Processing Confirm optionsGerrit Renker
Analogous to the previous patch, this adds code to interpret incoming Confirm feature-negotiation options. Both functions operate on the feature-negotiation list of either the request_sock (server) or the dccp_sock (client). Thanks to Wei Yongjun for pointing out that it is overly restrictive to check the entire list of confirmed SP values. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-02dccp: Process incoming Change feature-negotiation optionsGerrit Renker
This adds/replaces code for processing incoming ChangeL/R options. The main difference is that: * mandatory FN options are now interpreted inside the function (there are too many individual cases to do this externally); * the function returns an appropriate Reset code or 0, which is then used to fill in the data for the Reset packet. Old code, which is no longer used or referenced, has been removed. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-02dccp: Preference list reconciliationGerrit Renker
This provides two functions to * reconcile preference lists (with appropriate return codes) and * reorder the preference list if successful reconciliation changed the preferred value. The patch also removes the old code for processing SP/NN Change options, since new code to process these is mostly there already; related references have been commented out. The code for processing Change options follows in the next patch. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-02dccp: Integrate feature-negotiation insertion codeGerrit Renker
The patch implements insertion of feature negotiation at the server (listening and request socket) and the client (connecting socket). In dccp_insert_options(), several statements have been grouped together now to achieve (it is hoped) better efficiency by reducing the number of tests each packet has to go through: - Ack Vectors are sent if the packet is neither a Data or a Request packet; - a previous issue is corrected - feature negotiation options are allowed on DataAck packets (5.8). Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-02dccp: Insert feature-negotiation options into skbGerrit Renker
This patch replaces the earlier insertion routine from options.c, so that code specific to feature negotiation can remain in feat.c. This is possible by calling a function already existing in options.c. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-02Linux 2.6.28-rc7Linus Torvalds
2008-12-02Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (25 commits) em28xx: remove backward compat macro added on a previous fix V4L/DVB (9748): em28xx: fix compile warning V4L/DVB (9743): em28xx: fix oops audio V4L/DVB (9742): em28xx-alsa: implement another locking schema V4L/DVB (9732): sms1xxx: use new firmware for Hauppauge WinTV MiniStick V4L/DVB (9691): gspca: Move the video device to a separate area. V4L/DVB (9690): gspca: Lock the subdrivers via module_get/put. V4L/DVB (9689): gspca: Memory leak when disconnect while streaming. V4L/DVB (9668): em28xx: fix a race condition with hald V4L/DVB (9664): af9015: don't reconnect device in USB-bus V4L/DVB (9647): em28xx: void having two concurrent control URB's V4L/DVB (9646): em28xx: avoid allocating/dealocating memory on every control urb V4L/DVB (9645): em28xx: Avoid memory leaks if registration fails V4L/DVB (9639): Make dib0700 remote control support work with firmware v1.20 V4L/DVB (9635): v4l: s2255drv fix firmware test on big-endian V4L/DVB (9634): Make sure the i2c gate is open before powering down tuner V4L/DVB (9632): make em28xx aux audio input work V4L/DVB (9631): Make s2api work for ATSC support V4L/DVB (9627): em28xx: Avoid i2c register error for boards without eeprom V4L/DVB (9608): Fix section mismatch warning for dm1105 during make ...
2008-12-02drivers/gpu/drm/i915/i915_irq.c: fix warningAndrew Morton
drivers/gpu/drm/i915/i915_irq.c: In function 'i915_disable_pipestat': drivers/gpu/drm/i915/i915_irq.c:101: warning: control may reach end of non-void function 'i915_pipestat' being inlined Cc: Dave Airlie <airlied@linux.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02i82875p_edac: fix module removeJarkko Lavinen
Fix module removal bugs of i82875p_edac. Also i82975x_edac code seems to have the same module removal bugs as in i82875p_edac. The problems were: 1. In module removal i82875p_remove_one() is never called. Variable i82875p_registered is newer changed from 1, which guarantees i82875p_remove_one() is not called (and even if it were called, it would be called in wrong order). As a result, the edac_mc workque is not stopped and keeps probing. If kernel debugging options are not enabled, user may not notice anything going wrong. if debugging options are enabled and I do "rmmod i82875p_edac", I get: edac debug: edac_pci_workq_function() checking BUG: unable to handle kernel paging request at f882d16f ... call trace: [<f8834df3>] ? edac_mc_workq_function+0x55/0x7e [edac_core] [<c0233974>] ? run_workqueue+0xd7/0x1a5 [<c023392f>] ? run_workqueue+0x92/0x1a5 [<f8834d9e>] ? edac_mc_workq_function+0x0/0x7e [edac_core] [<c0233af9>] ? worker_thread+0xb7/0xc3 [<c0236a7b>] ? autoremove_wake_function+0x0/0x33 [<c0233a42>] ? worker_thread+0x0/0xc3 [<c0236809>] ? kthread+0x3b/0x61 [<c02367ce>] ? kthread+0x0/0x61 [<c0204587>] ? kernel_thread_helper+0x7/0x10 Fix for this is to get rid of needles variable i82875p_registered altogether and run i82875p_remove_one() *before* pci_unregister_driver(). 2. edac_mc_del_mc() uses mci after freeing mci edac_mc_del_mc() calls calls edac_remove_sysfs_mci_device(). The kobject refcount of mci drops to 0 and mci is freed. After this mci is accessed via debug print and i82875p_remove_one() still uses mci->pvt and tries to free mci again with edac_mc_free(). The fix for this is add kobject_get(&mci->edac_mci_kobj) after edac_mc_alloc(). Then the mci is still available after returning from edac_mc_del_mc() with refcount 1, and mci->pvt is still available. When i82875p_remove_one() finally calls edac_mc_free(), this will cause kobject_put() and mci is released properly. Signed-off-by: Jarkko Lavinen <jlavi@iki.fi> Cc: Doug Thompson <norsk5@yahoo.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02i82875p_edac: fix overflow device resource setupJarkko Lavinen
When I do "modprobe i82875p_edac" on my Asus P4C800 MB on kernels 2.6.26 or later, the module load fails due to BAR 0 collision. On 2.6.25 the module loads just fine. The overflow device on the MB seems to be hidden and its resources are not allocated at normal PCI bus init. Log shows the missing resource problem: EDAC DEBUG: i82875p_probe1() PCI: 0000:00:06.0 reg 10 32bit mmio: [fecf0000, fecf0fff] pci 0000:00:06.0: device not available because of BAR 0 [0xfecf0000-0xfecf0fff] collisions EDAC i82875p: i82875p_setup_overfl_dev(): Failed to enable overflow device The patch below fixes this by calling pci_bus_assign_resources() after the overflow device is revealed and added to the bus. With this patch I am again able to load and use the module. Signed-off-by: Jarkko Lavinen <jlavi@iki.fi> Cc: Doug Thompson <norsk5@yahoo.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02fbdev: fix FB console blankingDmitry Baryshkov
The commit aef7db4bd5a3b6068dfa05919a3d685199eed116 fixed the problem with recursive locking in fb blanking code if blank is caused by user setting the /sys/class/graphics/fb*/blank. However this broke the fbcon timeout blanking. If you use a driver that defines ->fb_blank operation and at the same time that driver relies on other driver (e.g. backlight or lcd class) to blank the screen, when the fbcon times out and tries to blank the fb, it will call only fb driver blanker and won't notify the other driver. Thus FB output is disabled, but the screen isn't blanked. Restore fbcon blanking and at the same time apply the proper fix for the above problem: if fbcon_blank is called with FBINFO_FLAG_USEREVENT, we are already called through notification from fb_blank, thus we don't have to blank the fb again. Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02ntfs: don't fool kernel-docRandy Dunlap
kernel-doc handles macros now (it has for quite some time), so change the ntfs_debug() macro's kernel-doc to be just before the macro instead of before a phony function prototype. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Anton Altaparmakov <aia21@cantab.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02kernel-doc: handle varargs cleanlyRandy Dunlap
The method for listing varargs in kernel-doc notation is: * @...: these arguments are printed by the @fmt argument but scripts/kernel-doc is confused: it always lists varargs as: ... variable arguments and ignores the @...: line's description, but then prints that line after the list of function parameters as though it's not part of the function parameters. This patch makes kernel-doc print the supplied @... description if it is present; otherwise a boilerplate "variable arguments" is printed. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02lib/idr.c: fix rcu related race with idr_findManfred Spraul
2nd part of the fixes needed for http://bugzilla.kernel.org/show_bug.cgi?id=11796. When the idr tree is either grown or shrunk, then the update to the number of layers and the top pointer were not atomic. This race caused crashes. The attached patch fixes that by replicating the layers counter in each layer, thus idr_find doesn't need idp->layers anymore. Signed-off-by: Manfred Spraul <manfred@colorfullife.com> Cc: Clement Calmels <cboulte@gmail.com> Cc: Nadia Derbey <Nadia.Derbey@bull.net> Cc: Pierre Peiffer <peifferp@gmail.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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