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* [SCSI] scsi_transport_fc: Introduce helper function for blocking scsi_ehChristof Schmitt2009-12-041-0/+1
| | | | | | | | | | Move the duplicated code from FC LLDs to SCSI FC transport class. Acked-by: James Smart <james.smart@emulex.com> Acked-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Acked-by: Abhijeet Joglekar <abjoglek@cisco.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] scsi_dh: Change the scsidh_activate interface to be asynchronousChandra Seetharaman2009-12-042-3/+6
| | | | | | | | | Make scsi_dh_activate() function asynchronous, by taking in two additional parameters, one is the callback function and the other is the data to call the callback function with. Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] add queue_depth ramp up codeVasu Dev2009-12-041-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Current FC HBA queue_depth ramp up code depends on last queue full time. The sdev already has last_queue_full_time field to track last queue full time but stored value is truncated by last four bits. So this patch updates last_queue_full_time without truncating last 4 bits to store full value and then updates its only current usages in scsi_track_queue_full to ignore last four bits to keep current usages same while also use this field in added ramp up code. Adds scsi_handle_queue_ramp_up to ramp up queue_depth on successful completion of IO. The scsi_handle_queue_ramp_up will do ramp up on all luns of a target, just same as ramp down done on all luns on a target. The ramp up is skipped in case the change_queue_depth is not supported by LLD or already reached to added max_queue_depth. Updates added max_queue_depth on every new update to default queue_depth value. The ramp up is also skipped if lapsed time since either last queue ramp up or down is less than LLD specified queue_ramp_up_period. Adds queue_ramp_up_period to sysfs but only if change_queue_depth is supported since ramp up and queue_ramp_up_period is needed only in case change_queue_depth is supported first. Initializes queue_ramp_up_period to 120HZ jiffies as initial default value, it is same as used in existing lpfc and qla2xxx. -v2 Combined all ramp code into this single patch. -v3 Moves max_queue_depth initialization after slave_configure is called from after slave_alloc calling done. Also adjusted max_queue_depth check to skip ramp up if current queue_depth is >= max_queue_depth. -v4 Changes sdev->queue_ramp_up_period unit to ms when using sysfs i/f to store or show its value. Signed-off-by: Vasu Dev <vasu.dev@intel.com> Tested-by: Christof Schmitt <christof.schmitt@de.ibm.com> Tested-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] modify change_queue_depth to take in reason why it is being calledMike Christie2009-12-045-5/+13
| | | | | | | | | | | | | | | | | | | | | | | | This patch modifies scsi_host_template->change_queue_depth so that it takes an argument indicating why it is being called. This will be used so that if a LLD needs to do some extra processing when handling queue fulls or later ramp ups, it can do so. This is a simple port of the drivers setting a change_queue_depth callback. In the patch I just have these LLDs adjust the queue depth if the user was requesting it. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> [Vasu.Dev: v2 Also converted pmcraid_change_queue_depth and then verified all modules compile using "make allmodconfig" for any new build warnings on X86_64. Updated original description after combing two original patches from Mike to make this patch git bisectable.] Signed-off-by: Vasu Dev <vasu.dev@intel.com> [jejb: fixed up 53c700] Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] pm8001: add SAS/SATA HBA driverjack wang2009-12-041-0/+2
| | | | | | | | | | | This driver supports PMC-Sierra PCIe SAS/SATA 8x6G SPC 8001 chip based host adapters. Signed-off-by: Jack Wang <jack_wang@usish.com> Signed-off-by: Lindar Liu <lindar_liu@usish.com> Signed-off-by: Tom Peng <tom_peng@usish.com> Signed-off-by: Kevin Ao <aoqingyun@usish.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] libfc: fix free of fc_rport_priv with timer pendingJoe Eykholt2009-12-041-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Timer crashes were caused by freeing a struct fc_rport_priv with a timer pending, causing the timer facility list to be corrupted. This was during FC uplink flap tests with a lot of targets. After discovery, we were doing an PLOGI on an rdata that was in DELETE state but not yet removed from the lookup list. This moved the rdata from DELETE state to PLOGI state. If the PLOGI exchange allocation failed and needed to be retried, the timer scheduling could race with the free being done by fc_rport_work(). When fc_rport_login() is called on a rport in DELETE state, move it to a new state RESTART. In fc_rport_work, when handling a LOGO, STOPPED or FAILED event, look for restart state. In the RESTART case, don't take the rdata off the list and after the transport remote port is deleted and exchanges are reset, re-login to the remote port. Note that the new RESTART state also corrects a problem we had when re-discovering a port that had moved to DELETE state. In that case, a new rdata was created, but the old rdata would do an exchange manager reset affecting the FC_ID for both the new rdata and old rdata. With the new state, the new port isn't logged into until after any old exchanges are reset. Signed-off-by: Joe Eykholt <jeykholt@cisco.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] libfc: Fix frags in frame exceeding SKB_MAX_FRAGS in fc_fcp_send_dataYi Zou2009-12-041-0/+3
| | | | | | | | | | | | | In case of sequence offload, in fc_fcp_send_data(), the skb_fill_page_info() called may end up adding more frags to the skb_shinfo(fp_skb(fp))->frags[], exceeding SKB_MAX_FRAGS, this eventually corrupts the memory. I am adding the FR_FRAME_SG_LEN back, but as SKB_MAX_FRAGS -1, leaving 1 for our fcoe_eof_crc page. And send will be broken into multiple large sends if the frame already contains more frags than skb handle. 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@suse.de>
* [SCSI] libfc: removes unused disc_work and ex_listVasu Dev2009-12-041-1/+0
| | | | | | | Reported-by: Alex Lyakas <alexl@mellanox.co.il> 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@suse.de>
* [SCSI] scsi: Add missing command definitionsMartin K. Petersen2009-12-041-0/+4
| | | | | | | | Add definitions for UNMAP, WRITE SAME{16,32} and GET LBA STATUS commands. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-param-fixesLinus Torvalds2009-10-291-1/+0
|\ | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-param-fixes: param: fix setting arrays of bool param: fix NULL comparison on oom param: fix lots of bugs with writing charp params from sysfs, by leaking mem.
| * param: fix lots of bugs with writing charp params from sysfs, by leaking mem.Rusty Russell2009-10-281-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | e180a6b7759a "param: fix charp parameters set via sysfs" fixed the case where charp parameters written via sysfs were freed, leaving drivers accessing random memory. Unfortunately, storing a flag in the kparam struct was a bad idea: it's rodata so setting it causes an oops on some archs. But that's not all: 1) module_param_array() on charp doesn't work reliably, since we use an uninitialized temporary struct kernel_param. 2) there's a fundamental race if a module uses this parameter and then it's changed: they will still access the old, freed, memory. The simplest fix (ie. for 2.6.32) is to never free the memory. This prevents all these problems, at cost of a memory leak. In practice, there are only 18 places where a charp is writable via sysfs, and all are root-only writable. Reported-by: Takashi Iwai <tiwai@suse.de> Cc: Sitsofe Wheeler <sitsofe@yahoo.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: stable@kernel.org
* | Merge branch 'hwpoison-2.6.32' of ↵Linus Torvalds2009-10-291-0/+12
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6 * 'hwpoison-2.6.32' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6: HWPOISON: fix invalid page count in printk output HWPOISON: Allow schedule_on_each_cpu() from keventd HWPOISON: fix/proc/meminfo alignment HWPOISON: fix oops on ksm pages HWPOISON: Fix page count leak in hwpoison late kill in do_swap_page HWPOISON: return early on non-LRU pages HWPOISON: Add brief hwpoison description to Documentation HWPOISON: Clean up PR_MCE_KILL interface
| * | HWPOISON: Clean up PR_MCE_KILL interfaceAndi Kleen2009-10-041-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While writing the manpage I noticed some shortcomings in the current interface. - Define symbolic names for all the different values - Boundary check the kill mode values - For symmetry add a get interface too. This allows library code to get/set the current state. - For consistency define a PR_MCE_KILL_DEFAULT value Signed-off-by: Andi Kleen <ak@linux.intel.com>
* | | Merge branch 'core-fixes-for-linus' of ↵Linus Torvalds2009-10-291-5/+1
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: futex: Move drop_futex_key_refs out of spinlock'ed region rcu: Fix TREE_PREEMPT_RCU CPU_HOTPLUG bad-luck hang rcu: Stopgap fix for synchronize_rcu_expedited() for TREE_PREEMPT_RCU rcu: Prevent RCU IPI storms in presence of high call_rcu() load futex: Check for NULL keys in match_futex futex: Handle spurious wake up
| * | | rcu: Stopgap fix for synchronize_rcu_expedited() for TREE_PREEMPT_RCUPaul E. McKenney2009-10-151-5/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For the short term, map synchronize_rcu_expedited() to synchronize_rcu() for TREE_PREEMPT_RCU and to synchronize_sched_expedited() for TREE_RCU. Longer term, there needs to be a real expedited grace period for TREE_PREEMPT_RCU, but candidate patches to date are considerably more complex and intrusive. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: laijs@cn.fujitsu.com Cc: dipankar@in.ibm.com Cc: mathieu.desnoyers@polymtl.ca Cc: josh@joshtriplett.org Cc: dvhltc@us.ibm.com Cc: niv@us.ibm.com Cc: peterz@infradead.org Cc: rostedt@goodmis.org Cc: Valdis.Kletnieks@vt.edu Cc: dhowells@redhat.com Cc: npiggin@suse.de Cc: jens.axboe@oracle.com LKML-Reference: <12555405592331-git-send-email-> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | | | Merge branch 'sched-fixes-for-linus' of ↵Linus Torvalds2009-10-291-2/+2
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Do less agressive buddy clearing sched: Disable SD_PREFER_LOCAL for MC/CPU domains
| * | | | sched: Disable SD_PREFER_LOCAL for MC/CPU domainsPeter Zijlstra2009-10-141-2/+2
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Yanmin reported that both tbench and hackbench were significantly hurt by trying to keep tasks local on these domains, esp on small cache machines. So disable it in order to promote spreading outside of the cache domains. Reported-by: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> CC: Mike Galbraith <efault@gmx.de> LKML-Reference: <1255083400.8802.15.camel@laptop> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | | | 8250_pci: add IBM Saturn serial cardBenjamin Herrenschmidt2009-10-291-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The IBM Saturn serial card has only one port. Without that fixup, the kernel thinks it has two, which confuses userland setup and admin tools as well. [akpm@linux-foundation.org: fix pci-ids.h layout] Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Alan Cox <alan@linux.intel.com> Cc: Michael Reed <mreed10@us.ibm.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | serial: add ADDI-DATA GmbH PCI-Express communication cards in 8250_pci.c and ↵Krauth.Julien2009-10-291-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pci_ids.h Add support for ADDI-DATA GmbH PCI-Express communication cards: APCIe-7300 APCIe-7420 APCIe-7500 APCIe-7800 Warning: 8250_pci.c depends on pci_ids.h. 8250_pci.c Signed-off-by: Krauth Julien <Krauth.Julien@addi-data.com> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | strstrip(): mark as as must_checkKOSAKI Motohiro2009-10-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | strstrip() can return a modified value of its input argument, when removing elading whitesapce. So it is surely bug for this function's return value to be ignored. The caller is probably going to use the incorrect original pointer. So mark it __must_check to prevent this frm happening (as it has before). Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | cpufreq: add cpufreq_get() stub for CONFIG_CPU_FREQ=nRandy Dunlap2009-10-291-0/+7
| |_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When CONFIG_CPU_FREQ is disabled, cpufreq_get() needs a stub. Used by kvm (although it looks like a bit of the kvm code could be omitted when CONFIG_CPU_FREQ is disabled). arch/x86/built-in.o: In function `kvm_arch_init': (.text+0x10de7): undefined reference to `cpufreq_get' (Needed in linux-next's KVM tree, but it's correct in 2.6.32). Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Tested-by: Eric Paris <eparis@redhat.com> Cc: Jiri Slaby <jirislaby@gmail.com> Cc: Avi Kivity <avi@redhat.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds2009-10-237-4/+7
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: move virtrng_remove to .devexit.text move virtballoon_remove to .devexit.text virtio_blk: Revert serial number support virtio: let header files include virtio_ids.h virtio_blk: revert QUEUE_FLAG_VIRT addition
| * | | virtio_blk: Revert serial number supportRusty Russell2009-10-221-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts "Add serial number support for virtio_blk, V4a". Turns out that virtio_pci, lguest and s/390 all have an 8 bit limit on virtio config space, so noone could ever use this. This is coming back later in a cleaner form. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: john cooper <john.cooper@redhat.com> Cc: Jens Axboe <jens.axboe@oracle.com>
| * | | virtio: let header files include virtio_ids.hChristian Borntraeger2009-10-227-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rusty, commit 3ca4f5ca73057a617f9444a91022d7127041970a virtio: add virtio IDs file moved all device IDs into a single file. While the change itself is a very good one, it can break userspace applications. For example if a userspace tool wanted to get the ID of virtio_net it used to include virtio_net.h. This does no longer work, since virtio_net.h does not include virtio_ids.h. This patch moves all "#include <linux/virtio_ids.h>" from the C files into the header files, making the header files compatible with the old ones. In addition, this patch exports virtio_ids.h to userspace. CC: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2009-10-231-4/+4
|\ \ \ \ | |/ / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits) niu: VLAN_ETH_HLEN should be used to make sure that the whole MAC header was copied to the head buffer in the Vlan packets case KS8851: Fix ks8851_set_rx_mode() for IFF_MULTICAST KS8851: Fix MAC address write order KS8851: Add soft reset at probe time net: fix section mismatch in fec.c net: Fix struct inet_timewait_sock bitfield annotation tcp: Try to catch MSG_PEEK bug net: Fix IP_MULTICAST_IF bluetooth: static lock key fix bluetooth: scheduling while atomic bug fix tcp: fix TCP_DEFER_ACCEPT retrans calculation tcp: reduce SYN-ACK retrans for TCP_DEFER_ACCEPT tcp: accept socket after TCP_DEFER_ACCEPT period Revert "tcp: fix tcp_defer_accept to consider the timeout" AF_UNIX: Fix deadlock on connecting to shutdown socket ethoc: clear only pending irqs ethoc: inline regs access vmxnet3: use dev_dbg, fix build for CONFIG_BLOCK=n virtio_net: use dev_kfree_skb_any() in free_old_xmit_skbs() be2net: fix support for PCI hot plug ...
| * | | net: Fix struct inet_timewait_sock bitfield annotationEric Dumazet2009-10-201-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 9e337b0f (net: annotate inet_timewait_sock bitfields) added 4/8 bytes in struct inet_timewait_sock. Fix this by declaring tw_ipv6_offset in the 'flags' bitfield The 14 bits hole is named tw_pad to make it cleary apparent. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | Merge branch 'upstream-linus' of ↵Linus Torvalds2009-10-161-4/+2
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: sata_mv: Prevent PIO commands to be defered too long if traffic in progress. pata_sc1200: Fix crash on boot libata: fix internal command failure handling libata: fix PMP initialization sata_nv: make sure link is brough up online when skipping hardreset ahci / atiixp / pci quirks: rename AMD SB900 into Hudson-2 ahci: Add the AHCI controller Linux Device ID for NVIDIA chipsets. pata_via: extend the rev_max for VT6330
| * | | | ahci / atiixp / pci quirks: rename AMD SB900 into Hudson-2Shane Huang2009-10-161-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch renames the code name SB900 into Hudson-2 Signed-off-by: Shane Huang <shane.huang@amd.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2009-10-163-6/+8
|\ \ \ \ \ | |/ / / / |/| / / / | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (53 commits) vmxnet: fix 2 build problems net: add support for STMicroelectronics Ethernet controllers. net: ks8851_mll uses mii interfaces net/fec_mpc52xx: Fix kernel panic on FEC error net: Fix OF platform drivers coldplug/hotplug when compiled as modules TI DaVinci EMAC: Clear statistics register properly. r8169: partial support and phy init for the 8168d irda/sa1100_ir: check return value of startup hook udp: Fix udp_poll() and ioctl() WAN: fix Cisco HDLC handshaking. tcp: fix tcp_defer_accept to consider the timeout 3c574_cs: spin_lock the set_multicast_list function net: Teach pegasus driver to ignore bluetoother adapters with clashing Vendor:Product IDs netxen: fix pci bar mapping ethoc: fix warning from 32bit build libertas: fix build net: VMware virtual Ethernet NIC driver: vmxnet3 net: Fix IXP 2000 network driver building. libertas: fix build mac80211: document ieee80211_rx() context requirement ...
| * | | Merge branch 'master' of ↵David S. Miller2009-10-131-0/+2
| |\ \ \ | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
| | * | | mac80211: document ieee80211_rx() context requirementJohannes Berg2009-10-121-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ieee80211_rx() must be called with softirqs disabled since the networking stack requires this for netif_rx() and some code in mac80211 can assume that it can not be processing its own tasklet and this call at the same time. It may be possible to remove this requirement after a careful audit of mac80211 and doing any needed locking improvements in it along with disabling softirqs around netif_rx(). An alternative might be to push all packet processing to process context in mac80211, instead of to the tasklet, and add other synchronisation. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | | | net: Fix struct sock bitfield annotationEric Dumazet2009-10-121-5/+5
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit a98b65a3 (net: annotate struct sock bitfield), we lost 8 bytes in struct sock on 64bit arches because of kmemcheck_bitfield_end(flags) misplacement. Fix this by putting together sk_shutdown, sk_no_check, sk_userlocks, sk_protocol and sk_type in the 'flags' 32bits bitfield Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | include/linux/netdevice.h: fix nanodoc mismatchWolfram Sang2009-10-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | nanodoc was missing an ndo_-prefix. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | workqueue: add 'flush_delayed_work()' to run and wait for delayed workLinus Torvalds2009-10-141-0/+1
| | | | | | | | | | | | | | | | | | | | It basically turns a delayed work into an immediate work, and then waits for it to finish.
* | | | Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds2009-10-132-11/+14
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.kernel.dk/linux-2.6-block: cciss: Add cciss_allow_hpsa module parameter cciss: Fix multiple calls to pci_release_regions blk-settings: fix function parameter kernel-doc notation writeback: kill space in debugfs item name writeback: account IO throttling wait as iowait elv_iosched_store(): fix strstrip() misuse cfq-iosched: avoid probable slice overrun when idling cfq-iosched: apply bool value where we return 0/1 cfq-iosched: fix think time allowed for seekers cfq-iosched: fix the slice residual sign cfq-iosched: abstract out the 'may this cfqq dispatch' logic block: use proper BLK_RW_ASYNC in blk_queue_start_tag() block: Seperate read and write statistics of in_flight requests v2 block: get rid of kblock_schedule_delayed_work() cfq-iosched: fix possible problem with jiffies wraparound cfq-iosched: fix issue with rq-rq merging and fifo list ordering
| * | | | block: Seperate read and write statistics of in_flight requests v2Nikanth Karthikesan2009-10-061-7/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit a9327cac440be4d8333bba975cbbf76045096275 added seperate read and write statistics of in_flight requests. And exported the number of read and write requests in progress seperately through sysfs. But Corrado Zoccolo <czoccolo@gmail.com> reported getting strange output from "iostat -kx 2". Global values for service time and utilization were garbage. For interval values, utilization was always 100%, and service time is higher than normal. So this was reverted by commit 0f78ab9899e9d6acb09d5465def618704255963b The problem was in part_round_stats_single(), I missed the following: if (now == part->stamp) return; - if (part->in_flight) { + if (part_in_flight(part)) { __part_stat_add(cpu, part, time_in_queue, part_in_flight(part) * (now - part->stamp)); __part_stat_add(cpu, part, io_ticks, (now - part->stamp)); With this chunk included, the reported regression gets fixed. Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> -- Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * | | | block: get rid of kblock_schedule_delayed_work()Jens Axboe2009-10-051-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It was briefly introduced to allow CFQ to to delayed scheduling, but we ended up removing that feature again. So lets kill the function and export, and just switch CFQ back to the normal work schedule since it is now passing in a '0' delay from all call sites. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixesLinus Torvalds2009-10-131-0/+6
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes: kbuild: revert "save ARCH & CROSS_COMPILE ..." warn about use of uninstalled kernel headers kbuild: mkcompile_h: trivial cleanups kbuild: fix warning when domainname is not available kbuild: Fix size_append issue for bzip2/lzma kernel kbuild,scripts: use non-builtin echo for '-e' kbuild: fix the binrpm-pkg target to work with KBUILD_OUTPUT set
| * | | | | warn about use of uninstalled kernel headersArnd Bergmann2009-10-111-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | User applications frequently hit problems when they try to use the kernel headers directly, rather than the exported headers. This adds an explicit warning for this case, and points to a URL holding an explanation of why this is wrong and what to do about it. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* | | | | | Merge branch 'for-linus' of ↵Linus Torvalds2009-10-121-0/+1
|\ \ \ \ \ \ | |/ / / / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI: Prevent AER driver from being loaded on non-root port PCIE devices PCI: get larger bridge ranges when space is available PCI: pci.c: fix kernel-doc notation PCI quirk: TI XIO200a erroneously reports support for fast b2b transfers PCI PM: Read device power state from register after updating it PCI: remove pci_assign_resource_fixed() PCI: PCIe portdrv: remove "-driver" from driver name
| * | | | | PCI quirk: TI XIO200a erroneously reports support for fast b2b transfersGabe Black2009-10-071-0/+1
| |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This quirk will disable fast back to back transfer on the secondary bus segment of the TI Bridge. Signed-off-by: Gabe Black <gabe.black@ni.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
* | | | | Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6Linus Torvalds2009-10-111-0/+1
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (21 commits) [S390] dasd: fix race condition in resume code [S390] Add EX_TABLE for addressing exception in usercopy functions. [S390] 64-bit register support for 31-bit processes [S390] hibernate: Use correct place for CPU address in lowcore [S390] pm: ignore time spend in suspended state [S390] zcrypt: Improve some comments [S390] zcrypt: Fix sparse warning. [S390] perf_counter: fix vdso detection [S390] ftrace: drop nmi protection [S390] compat: fix truncate system call wrapper [S390] Provide arch specific mdelay implementation. [S390] Fix enabled udelay for short delays. [S390] cio: allow setting boxed devices offline [S390] cio: make not operational handling consistent [S390] cio: make disconnected handling consistent [S390] Fix memory leak in /proc/cio_ignore [S390] cio: channel path memory leak [S390] module: fix memory leak in s390 module loader [S390] Enable kmemleak on s390. [S390] 3270 console build fix ...
| * | | | | [S390] 64-bit register support for 31-bit processesHeiko Carstens2009-10-061-0/+1
| |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | From: Heiko Carstens <heiko.carstens@de.ibm.com> From: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds2009-10-111-0/+1
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (32 commits) USB: serial: no unnecessary GFP_ATOMIC in oti6858 USB: serial: fix race between unthrottle and completion handler in visor USB: serial: fix assumption that throttle/unthrottle cannot sleep USB: serial: fix race between unthrottle and completion handler in symbolserial USB: serial: fix race between unthrottle and completion handler in opticon USB: ehci: Fix isoc scheduling boundary checking. USB: storage: When a device returns no sense data, call it a Hardware Error USB: small fix in error case of suspend in generic usbserial code USB: visor: fix trivial accounting bug in visor driver USB: Fix throttling in generic usbserial driver USB: cp210x: Add support for the DW700 UART USB: ipaq: fix oops when device is plugged in USB: isp1362: fix build warnings on 64-bit systems USB: gadget: imx_udc: Use resource size USB: storage: iRiver P7 UNUSUAL_DEV patch USB: musb: make HAVE_CLK support optional USB: xhci: Fix dropping endpoints from the xHC schedule. USB: xhci: Don't wait for a disable slot cmd when HC dies. USB: xhci: Handle canceled URBs when HC dies. USB: xhci: Stop debugging polling loop when HC dies. ...
| * | | | | USB: serial: don't call release without attachAlan Stern2009-10-091-0/+1
| | |_|/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch (as1295) fixes a recently-added bug in the USB serial core. If certain kinds of errors occur during probing, the core may call a serial driver's release method without previously calling the attach method. This causes some drivers (io_ti in particular) to perform an invalid memory access. The patch adds a new flag to keep track of whether or not attach has been called. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Tested-by: Jean-Denis Girard <jd.girard@sysnux.pf> CC: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | | | | headers: remove sched.h from interrupt.hAlexey Dobriyan2009-10-112-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | After m68k's task_thread_info() doesn't refer to current, it's possible to remove sched.h from interrupt.h and not break m68k! Many thanks to Heiko Carstens for allowing this. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
* | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds2009-10-114-9/+16
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (34 commits) [SCSI] qla2xxx: Fix NULL ptr deref bug in fail path during queue create [SCSI] st: fix possible memory use after free after MTSETBLK ioctl [SCSI] be2iscsi: Moving to pci_pools v3 [SCSI] libiscsi: iscsi_session_setup to allow for private space [SCSI] be2iscsi: add 10Gbps iSCSI - BladeEngine 2 driver [SCSI] zfcp: Fix hang when offlining device with offline chpid [SCSI] zfcp: Fix lockdep warning when offlining device with offline chpid [SCSI] zfcp: Fix oops during shutdown of offline device [SCSI] zfcp: Fix initial device and cfdc for delayed adapter allocation [SCSI] zfcp: correctly initialize unchained requests [SCSI] mpt2sas: Bump version 02.100.03.00 [SCSI] mpt2sas: Support dev remove when phy status is MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT [SCSI] mpt2sas: Timeout occurred within the HANDSHAKE logic while waiting on firmware to ACK. [SCSI] mpt2sas: Call init_completion on a per request basis. [SCSI] mpt2sas: Target Reset will be issued from Interrupt context. [SCSI] mpt2sas: Added SCSIIO, Internal and high priority memory pools to support multiple TM [SCSI] mpt2sas: Copyright change to 2009. [SCSI] mpt2sas: Added mpi2_history.txt for MPI2 headers. [SCSI] mpt2sas: Update driver to MPI2 REV K headers. [SCSI] bfa: Brocade BFA FC SCSI driver ...
| * | | | | [SCSI] libiscsi: iscsi_session_setup to allow for private spaceJayamohan Kallickal2009-10-021-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch contains changes that allow iscsi_session_setup to allocate private space for LLD's Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com> Acked-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| * | | | | [SCSI] sd: Support disks formatted with DIF Type 2Martin K. Petersen2009-10-021-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Disks formatted with DIF Type 2 reject READ/WRITE 6/10/12/16 commands when protection is enabled. Only the 32-byte variants are supported. Implement support for issusing 32-byte READ/WRITE and enable Type 2 drives in the protection type detection logic. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| * | | | | [SCSI] sd: Detach DIF from block integrity infrastructureMartin K. Petersen2009-10-021-4/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | So far we have only issued DIF commands if CONFIG_BLK_DEV_INTEGRITY is enabled. However, communication between initiator and target should be independent of protection information DMA. There are DIF-only host adapters coming out that will be able to take advantage of this. Move the relevant DIF bits to sd.c. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 19:39:49 +0100