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2009-03-17nfsd: nfsd should drop CAP_MKNOD for non-rootJ. Bruce Fields
Since creating a device node is normally an operation requiring special privilege, Igor Zhbanov points out that it is surprising (to say the least) that a client can, for example, create a device node on a filesystem exported with root_squash. So, make sure CAP_MKNOD is among the capabilities dropped when an nfsd thread handles a request from a non-root user. Reported-by: Igor Zhbanov <izh1979@gmail.com> Cc: stable@kernel.org Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
2009-03-15Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* master.kernel.org:/home/rmk/linux-2.6-arm: (23 commits) [ARM] Fix virtual to physical translation macro corner cases [ARM] update mach-types [ARM] 5421/1: ftrace: fix crash due to tracing of __naked functions MX1 fix include [ARM] 5419/1: ep93xx: fix build warnings about struct i2c_board_info [ARM] 5418/1: restore lr before leaving mcount ARM: OMAP: board-omap3beagle: set i2c-3 to 100kHz ARM: OMAP: Allow I2C bus driver to be compiled as a module ARM: OMAP: sched_clock() corrected ARM: OMAP: Fix compile error if pm.h is included [ARM] orion5x: pass dram mbus data to xor driver [ARM] S3C64XX: Fix s3c64xx_setrate_clksrc [ARM] S3C64XX: sparse warnings in arch/arm/plat-s3c64xx/irq.c [ARM] S3C64XX: sparse warnings in arch/arm/plat-s3c64xx/s3c6400-clock.c [ARM] S3C64XX: Fix USB host clock mux list [ARM] S3C64XX: Fix name of USB host clock. [ARM] S3C64XX: Rename IRQ_UHOST to IRQ_USBH [ARM] S3C64XX: Do gpiolib configuration earlier [ARM] S3C64XX: Staticise s3c64xx_init_irq_eint() [ARM] SMDK6410: Declare iodesc table static ...
2009-03-14Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: Fix Xilinx SystemACE driver to handle empty CF slot block: fix memory leak in bio_clone() block: Add gfp_mask parameter to bio_integrity_clone()
2009-03-14block: Add gfp_mask parameter to bio_integrity_clone()un'ichi Nomura
Stricter gfp_mask might be required for clone allocation. For example, request-based dm may clone bio in interrupt context so it has to use GFP_ATOMIC. Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Acked-by: Martin K. Petersen <martin.petersen@oracle.com> Cc: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-03-14Merge 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: (31 commits) [SCSI] qla2xxx: Update version number to 8.03.00-k4. [SCSI] qla2xxx: Correct overwrite of pre-assigned init-control-block structure size. [SCSI] qla2xxx: Correct truncation in return-code status checking. [SCSI] qla2xxx: Correct vport delete bug. [SCSI] qla2xxx: Use correct value for max vport in LOOP topology. [SCSI] qla2xxx: Correct address range checking for option-rom updates. [SCSI] fcoe: Change fcoe receive thread nice value from 19 (lowest priority) to -20 [SCSI] fcoe: fix handling of pending queue, prevent out of order frames (v3) [SCSI] fcoe: Out of order tx frames was causing several check condition SCSI status [SCSI] fcoe: fix kfree(skb) [SCSI] fcoe: ETH_P_8021Q is already in if_ether and fcoe is not using it anyway [SCSI] libfc: do not change the fh_rx_id of a recevied frame [SCSI] fcoe: Correct fcoe_transports initialization vs. registration [SCSI] fcoe: Use setup_timer() and mod_timer() [SCSI] libfc, fcoe: Remove unnecessary cast by removing inline wrapper [SCSI] libfc, fcoe: Cleanup function formatting and minor typos [SCSI] libfc, fcoe: Fix kerneldoc comments [SCSI] libfc: Cleanup libfc_function_template comments [SCSI] libfc: check for err when recv and state is incorrect [SCSI] libfc: rename rp to rdata in fc_disc_new_target() ...
2009-03-14Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: NFS: Fix the fix to Bugzilla #11061, when IPv6 isn't defined... SUNRPC: xprt_connect() don't abort the task if the transport isn't bound SUNRPC: Fix an Oops due to socket not set up yet... Bug 11061, NFS mounts dropped NFS: Handle -ESTALE error in access() NLM: Fix GRANT callback address comparison when IPv6 is enabled NLM: Shrink the IPv4-only version of nlm_cmp_addr() NFSv3: Fix posix ACL code NFS: Fix misparsing of nfsv4 fs_locations attribute (take 2) SUNRPC: Tighten up the task locking rules in __rpc_execute()
2009-03-13ide: save the returned value of dma_map_sgFUJITA Tomonori
dma_map_sg could return a value different to 'nents' argument of dma_map_sg so the ide stack needs to save it for the later usage (e.g. for_each_sg). The ide stack also needs to save the original sg_nents value for pci_unmap_sg. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> [bart: backport to Linus' tree] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: cpumask: mm_cpumask for accessing the struct mm_struct's cpu_vm_mask. cpumask: tsk_cpumask for accessing the struct task_struct's cpus_allowed.
2009-03-12[ARM] 5421/1: ftrace: fix crash due to tracing of __naked functionsUwe Kleine-König
This is a fix for the following crash observed in 2.6.29-rc3: http://lkml.org/lkml/2009/1/29/150 On ARM it doesn't make sense to trace a naked function because then mcount is called without stack and frame pointer being set up and there is no chance to restore the lr register to the value before mcount was called. Reported-by: Matthias Kaehlcke <matthias@kaehlcke.net> Tested-by: Matthias Kaehlcke <matthias@kaehlcke.net> Cc: Abhishek Sagar <sagar.abhishek@gmail.com> Cc: Steven Rostedt <rostedt@home.goodmis.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-03-12cpumask: mm_cpumask for accessing the struct mm_struct's cpu_vm_mask.Rusty Russell
This allows us to change the representation (to a dangling bitmap or cpumask_var_t) without breaking all the callers: they can use mm_cpumask() now and won't see a difference as the changes roll into linux-next. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-03-12cpumask: tsk_cpumask for accessing the struct task_struct's cpus_allowed.Rusty Russell
This allows us to change the representation (to a dangling bitmap or cpumask_var_t) without breaking all the callers: they can use tsk_cpumask() now and won't see a difference as the changes roll into linux-next. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-03-11drm: fix EDID parser problem with positive/negative hsync/vsyncPantelis Koukousoulas
Comparing the layouts of struct detail_pixel_timing with x.org's struct detailed_timings and how those are handled, it appears that the hsync_positive and vsync_positive fields are backwards. This patch fixes https://bugs.freedesktop.org/show_bug.cgi?id=20019 for me. It was tested on 2 monitors, LG FLATRON L225WS 22" and a YAKUMO 17" for which more details are unknown. Signed-off-by: Pantelis Koukousoulas <pktoss@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-03-10NLM: Shrink the IPv4-only version of nlm_cmp_addr()Chuck Lever
Clean up/micro-optimatization: Make the AF_INET-only version of nlm_cmp_addr() smaller. This matches the style of nlm_privileged_requester(), and makes the AF_INET-only version of nlm_cmp_addr() nearly the same size as it was before IPv6 support. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2009-03-10NFSv3: Fix posix ACL codeTrond Myklebust
Fix a memory leak due to allocation in the XDR layer. In cases where the RPC call needs to be retransmitted, we end up allocating new pages without clearing the old ones. Fix this by moving the allocation into nfs3_proc_setacls(). Also fix an issue discovered by Kevin Rudd, whereby the amount of memory reserved for the acls in the xdr_buf->head was miscalculated, and causing corruption. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2009-03-10[SCSI] fcoe: Out of order tx frames was causing several check condition SCSI ↵Vasu Dev
status frames followed by these errors in log. [sdp] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK [sdp] Sense Key : Aborted Command [current] [sdp] Add. Sense: Data phase error This was causing some test apps to exit due to write failure under heavy load. This was due to a race around adding and removing tx frame skb in fcoe_pending_queue, Chris Leech helped me to find that brief unlocking period when pulling skb from fcoe_pending_queue in various contexts (fcoe_watchdog and fcoe_xmit) and then adding skb back into fcoe_pending_queue up on a failed fcoe_start_io could change skb/tx frame order in fcoe_pending_queue. Thanks Chris. This patch allows only single context to pull skb from fcoe_pending_queue at any time to prevent above described ordering issue/race by use of fcoe_pending_queue_active flag. This patch simplified fcoe_watchdog with modified fcoe_check_wait_queue by use of FCOE_LOW_QUEUE_DEPTH instead previously used several conditionals to clear and set lp->qfull. I think FCOE_MAX_QUEUE_DEPTH with FCOE_LOW_QUEUE_DEPTH will work better in re/setting lp->qfull and these could be fine tuned for performance. Signed-off-by: Vasu Dev <vasu.dev@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2009-03-10[SCSI] fcoe: ETH_P_8021Q is already in if_ether and fcoe is not using it anywayYi Zou
Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2009-03-10[SCSI] libfc, fcoe: Remove unnecessary cast by removing inline wrapperRobert Love
Comment from "Andrew Morton <akpm@linux-foundation.org>" > +{ > + return (struct fcoe_softc *)lport_priv(lp); unneeded/undesirable cast of void*. There are probably zillions of instances of this - there always are. This whole inline function was unnecessary. The FCoE layer knows that it's data structure is stored in the lport private data, it can just access it from lport_priv(). Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2009-03-10[SCSI] libfc, fcoe: Fix kerneldoc commentsRobert Love
1) Added '()' for function names in kerneldoc comments 2) Changed comment bookends from '**/' to '*/'. The comment on the the mailing list was that '**/' "is consistently unconventional. Not wrong, just odd." The Documentation/kernel-doc-nano-HOWTO.txt states that kerneldoc comment blocks should end with '**/' but most (if not all) instance I found under drivers/scsi/ were only using the '*/' so I converted to that style. 3) Removed incorrect linebreaks in kerneldoc comments where found 4) Removed a few unnecessary blank comment lines in kerneldoc comment blocks Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2009-03-09Merge branch 'fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq: [CPUFREQ] Add p4-clockmod sysfs-ui removal to feature-removal schedule. Revert "[CPUFREQ] Disable sysfs ui for p4-clockmod."
2009-03-09Revert "[CPUFREQ] Disable sysfs ui for p4-clockmod."Dave Jones
This reverts commit e088e4c9cdb618675874becb91b2fd581ee707e6. Removing the sysfs interface for p4-clockmod was flagged as a regression in bug 12826. Course of action: - Find out the remaining causes of overheating, and fix them if possible. ACPI should be doing the right thing automatically. If it isn't, we need to fix that. - mark p4-clockmod ui as deprecated - try again with the removal in six months. It's not really feasible to printk about the deprecation, because it needs to happen at all the sysfs entry points, which means adding a lot of strcmp("p4-clockmod".. calls to the core, which.. bleuch. Signed-off-by: Dave Jones <davej@redhat.com>
2009-03-09Merge 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: (29 commits) p54: fix race condition in memory management cfg80211: test before subtraction on unsigned iwlwifi: fix error flow in iwl*_pci_probe rt2x00 : more devices to rt73usb.c rt2x00 : more devices to rt2500usb.c bonding: Fix device passed into ->ndo_neigh_setup(). vlan: Fix vlan-in-vlan crashes. net: Fix missing dev->neigh_setup in register_netdevice(). tmspci: fix request_irq race pkt_sched: act_police: Fix a rate estimator test. tg3: Fix 5906 link problems SCTP: change sctp_ctl_sock_init() to try IPv4 if IPv6 fails IPv6: add "disable" module parameter support to ipv6.ko sungem: another error printed one too early aoe: error printed 1 too early net pcmcia: worklimit reaches -1 net: more timeouts that reach -1 net: fix tokenring license dm9601: new vendor/product IDs netlink: invert error code in netlink_set_err() ...
2009-03-08Merge branch 'fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: dmatest: fix use after free in dmatest_exit ipu_idmac: fix spinlock type iop-adma, mv_xor: fix mem leak on self-test setup failure fsldma: fix off by one in dma_halt I/OAT: fail self-test if callback test reaches timeout I/OAT: update driver version and copyright dates I/OAT: list usage cleanup I/OAT: set tcp_dma_copybreak to 256k for I/OAT ver.3 I/OAT: cancel watchdog before dma remove I/OAT: fail initialization on zero channels detection I/OAT: do not set DCACTRL_CMPL_WRITE_ENABLE for I/OAT ver.3 I/OAT: add verification for proper APICID_TAG_MAP setting by BIOS dmaengine: update kerneldoc
2009-03-08Merge 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: ata: add CFA specific identify data words remove stale comment from <linux/hdreg.h> AT91: initialize Compact Flash on AT91SAM9263 cpu ide: add at91_ide driver ide: allow to wrap interrupt handler ide-iops: fix odd-length ATAPI PIO transfers ide: NULL noise: drivers/ide/ide-*.c ide: expiry() returns int, negative expiry() return values won't be noticed
2009-03-08Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: libata: Don't trust current capacity values in identify words 57-58 libata: make sure port is thawed when skipping resets sata_nv: fix module parameter description ahci: Add the Device IDs for MCP89 and remove IDs of MCP7B to/from ahci.c libata: don't use on-stack sense buffer libata: align ap->sector_buf libata: fix dma_unmap_sg misuse libata: change drive ready wait after hard reset to 5s
2009-03-08Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: serio - fix protocol number for TouchIT213
2009-03-07Input: serio - fix protocol number for TouchIT213Dmitry Torokhov
Protocol 0x37 has been reserved for iNexio devices and Sahara was supposed to get 0x38. Reported-by: Claudio Nieder <private@claudio.ch> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2009-03-06[SCSI] libfc: Cleanup libfc_function_template commentsRobert Love
Made the comments more like the comments for struct scsi_host_template. Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2009-03-06[SCSI] libfc: Don't violate transport template for rogue port creationRobert Love
Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2009-03-06[SCSI] libfc: rport retry on LS_RJT from certain ELSChris Leech
This allows any rport ELS to retry on LS_RJT. The rport error handling would only retry on resource allocation failures and exchange timeouts. I have a target that will occasionally reject PLOGI when we do a quick LOGO/PLOGI. When a critical ELS was rejected, libfc would fail silently leaving the rport in a dead state. The retry count and delay are managed by fc_rport_error_retry. If the retry count is exceeded fc_rport_error will be called. When retrying is not the correct course of action, fc_rport_error can be called directly. Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2009-03-06[SCSI] libfc, fcoe: fixed locking issues with lport->lp_mutex around ↵Vasu Dev
lport->link_status The fcoe_xmit could call fc_pause in case the pending skb queue len is larger than FCOE_MAX_QUEUE_DEPTH, the fc_pause was trying to grab lport->lp_muex to change lport->link_status and that had these issues :- 1. The fcoe_xmit was getting called with bh disabled, thus causing "BUG: scheduling while atomic" when grabbing lport->lp_muex with bh disabled. 2. fc_linkup and fc_linkdown function calls lport_enter function with lport->lp_mutex held and these enter function in turn calls fcoe_xmit to send lport related FC frame, e.g. fc_linkup => fc_lport_enter_flogi to send flogi req. In this case grabbing the same lport->lp_mutex again in fc_puase from fcoe_xmit would cause deadlock. The lport->lp_mutex was used for setting FC_PAUSE in fcoe_xmit path but FC_PAUSE bit was not used anywhere beside just setting and clear this bit in lport->link_status, instead used a separate field qfull in fc_lport to eliminate need for lport->lp_mutex to track pending queue full condition and in turn avoid above described two locking issues. Also added check for lp->qfull in fc_fcp_lport_queue_ready to trigger SCSI_MLQUEUE_HOST_BUSY when lp->qfull is set to prevent more scsi-ml cmds while lp->qfull is set. This patch eliminated FC_LINK_UP and FC_PAUSE and instead used dedicated fields in fc_lport for this, this simplified all related conditional code. Also removed fc_pause and fc_unpause functions and instead used newly added lport->qfull directly in fcoe. Signed-off-by: Vasu Dev <vasu.dev@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2009-03-06[SCSI] libfc: Pass lport in exch_mgr_resetAbhijeet Joglekar
fc_exch_mgr structure is private to fc_exch.c. To export exch_mgr_reset to transport, transport needs access to the exch manager. Change exch_mgr_reset to use lport param which is the shared structure between libFC and transport. Alternatively, fc_exch_mgr definition can be moved to libfc.h so that lport can be accessed from mp*. Signed-off-by: Abhijeet Joglekar <abjoglek@cisco.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2009-03-05ata: add CFA specific identify data wordsSergei Shtylyov
Declare CFA specific identify data words 162 and 163 for future use. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com> [bart: update patch summary/description] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-05remove stale comment from <linux/hdreg.h>Bartlomiej Zolnierkiewicz
HDIO_GET_IDENTITY returns 256 words currently. Noticed by Norman Diamond. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-05ide: allow to wrap interrupt handlerStanislaw Gruszka
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl> Cc: Andrew Victor <linux@maxim.org.za> [bart: minor checkpatch.pl / CodingStyle fixups] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-05libata: align ap->sector_bufTejun Heo
ap->sector_buf is used as DMA target and should at least be aligned on cacheline. This caused problems on some embedded machines. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-03-05libata: fix dma_unmap_sg misuseFUJITA Tomonori
libata passes the returned value of dma_map_sg() to dma_unmap_sg(),which is the misuse of dma_unmap_sg(). DMA-mapping.txt says: To unmap a scatterlist, just call: pci_unmap_sg(pdev, sglist, nents, direction); Again, make sure DMA activity has already finished. PLEASE NOTE: The 'nents' argument to the pci_unmap_sg call must be the _same_ one you passed into the pci_map_sg call, it should _NOT_ be the 'count' value _returned_ from the pci_map_sg call. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-03-05libata: change drive ready wait after hard reset to 5sStuart Hayes
This fixes problems during resume with drives that take longer than 1s to be ready. The ATA-6 spec appears to allow 5 seconds for a drive to be ready. On one affected system, this patch changes "PM: resume devices took..." message from 17 seconds to 4 seconds, and gets rid of a lot of ugly timeout/error messages. Without this patch, the libata code moves on after 1s, tries to send a soft reset (which the drive doesn't see because it isn't ready) which also times out, then an IDENTIFY command is sent to the drive which times out, and finally the error handler will try to send another hard reset which will finally get things working. Signed-off-by: Stuart Hayes <stuart_hayes@dell.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-03-04Merge branch 'master' of /home/davem/src/GIT/linux-2.6/David S. Miller
2009-03-04vlan: Fix vlan-in-vlan crashes.David S. Miller
As analyzed by Patrick McHardy, vlan needs to reset it's netdev_ops pointer in it's ->init() function but this leaves the compat method pointers stale. Add a netdev_resync_ops() and call it from the vlan code. Any other driver which changes ->netdev_ops after register_netdevice() will need to call this new function after doing so too. With help from Patrick McHardy. Tested-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-03Merge branch 'sched-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: don't allow setuid to succeed if the user does not have rt bandwidth sched_rt: don't start timer when rt bandwidth disabled
2009-03-03Merge branch 'core-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: rcu: Teach RCU that idle task is not quiscent state at boot
2009-03-03netns: Remove net_aliveEric W. Biederman
It turns out that net_alive is unnecessary, and the original problem that led to it being added was simply that the icmp code thought it was a network device and wound up being unable to handle packets while there were still packets in the network namespace. Now that icmp and tcp have been fixed to properly register themselves this problem is no longer present and we have a stronger guarantee that packets will not arrive in a network namespace then that provided by net_alive in netif_receive_skb. So remove net_alive allowing packet reception run a little faster. Additionally document the strong reason why network namespace cleanup is safe so that if something happens again someone else will have a chance of figuring it out. Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-02Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: fix warning in io_mapping_map_wc() x86: i915 needs pgprot_writecombine() and is_io_mapping_possible()
2009-03-02fix warning in io_mapping_map_wc()Pallipadi, Venkatesh
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-01net headers: export dcbnl.hChris Leech
The DCB netlink interface is required for building the userspace tools available at e1000.sourceforge.net Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-01net headers: cleanup dcbnl.hChris Leech
1) add an include for <linux/types.h> 2) change dcbmsg.dcb_family from unsigned char to __u8 to be more consistent with use of kernel types Signed-off-by: Chris Leech <christopher.leech@intel.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-28Merge branch 'master' of /home/davem/src/GIT/linux-2.6/David S. Miller
2009-02-27Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: enable DMAR by default xen: disable interrupts early, as start_kernel expects gpu/drm, x86, PAT: io_mapping_create_wc and resource_size_t gpu/drm, x86, PAT: Handle io_mapping_create_wc() errors in a clean way x86, Voyager: fix compile by lifting the degeneracy of phys_cpu_present_map x86, doc: fix references to Documentation/x86/i386/boot.txt
2009-02-27Fix recursive lock in free_uid()/free_user_ns()David Howells
free_uid() and free_user_ns() are corecursive when CONFIG_USER_SCHED=n, but free_user_ns() is called from free_uid() by way of uid_hash_remove(), which requires uidhash_lock to be held. free_user_ns() then calls free_uid() to complete the destruction. Fix this by deferring the destruction of the user_namespace. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-27sched: don't allow setuid to succeed if the user does not have rt bandwidthDhaval Giani
Impact: fix hung task with certain (non-default) rt-limit settings Corey Hickey reported that on using setuid to change the uid of a rt process, the process would be unkillable and not be running. This is because there was no rt runtime for that user group. Add in a check to see if a user can attach an rt task to its task group. On failure, return EINVAL, which is also returned in CONFIG_CGROUP_SCHED. Reported-by: Corey Hickey <bugfood-ml@fatooh.org> Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>