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2007-05-29NOHZ: prevent multiplication overflow - stop timer for huge timeoutsThomas Gleixner
get_next_timer_interrupt() returns a delta of (LONG_MAX > 1) in case there is no timer pending. On 64 bit machines this results in a multiplication overflow in tick_nohz_stop_sched_tick(). Reported by: Dave Miller <davem@davemloft.net> Make the return value a constant and limit the return value to a 32 bit value. When the max timeout value is returned, we can safely stop the tick timer device. The max jiffies delta results in a 12 days timeout for HZ=1000. In the long term the get_next_timer_interrupt() code needs to be reworked to return ktime instead of jiffies, but we have to wait until the last users of the original NO_IDLE_HZ code are converted. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-29Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Fill holes in hypervisor APIs and fix KTSB registry. [SPARC64]: Fix two bugs wrt. kernel 4MB TSB. [SPARC]: Mark as emulating cmpxchg, add appropriate depends for DRM. [SPARC]: Emulate cmpxchg like parisc [SPARC64]: Fix _PAGE_EXEC_4U check in sun4u I-TLB miss handler. [SPARC]: Linux always started with 9600 8N1 [SPARC64]: arch/sparc64/time.c doesn't compile on Ultra 1 (no PCI) [SPARC64]: Eliminate NR_CPUS limitations. [SPARC64]: Use machine description and OBP properly for cpu probing. [SPARC64]: Negotiate hypervisor API for PCI services. [SPARC64]: Report proper system soft state to the hypervisor. [SPARC64]: Fix typo in sun4v_hvapi_register error handling. [SCSI] ESP: Kill SCSI_ESP_CORE and link directly just like jazz_esp [SCSI] jazz_esp: Converted to use esp_core. [SPARC64]: PCI device scan is way too verbose by default. [SERIAL] sunzilog: section mismatch fix [SPARC32]: Removes mismatch section warnigs in sparc time.c file [SPARC64]: Don't be picky about virtual-dma values on sun4v. [SPARC64]: Kill unused DIE_PAGE_FAULT enum value. [SCSI] pluto: Use wait_for_completion_timeout.
2007-05-29Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: firewire: fix return code firewire: prefix modules with firewire- instead of fw- firewire: Add missing byteswapping for receive DMA programs. ieee1394: raw1394: Fix async send ieee1394: eth1394: bring back a parent device ieee1394: eth1394: handle tlabel exhaustion ieee1394: eth1394: remove bogus netif_wake_queue ieee1394: sbp2: include workqueue.h
2007-05-29Merge branch 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds
* 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: hwmon/applesmc: Handle name file creation error and deletion hwmon/applesmc: Simplify dependencies hwmon-vid: Don't spam the logs when VRM version is missing hwmon/w83627hf: Be quiet when no chip is found hwmon/coretemp: Add more safety checks hwmon/ds1621: Fix swapped temperature limits
2007-05-29Merge branch 'for_paulus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc * 'for_paulus' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc: [POWERPC] Fix Kconfig warning [PPC] Fix modpost warning [POWERPC] Fix modpost warning [POWERPC] Fix Section mismatch warnings [POWERPC] QE: fix Kconfig 'select' warning with UCC_FAST [POWERPC] 52xx: unbreak lite5200 dts (_pic vs. -pic) [PPC] Remove duplicate export of __div64_32. [PPC] Fix COMMON symbol warnings
2007-05-29Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] megaraid_sas: intercept cmd timeout and throttle io [SCSI] fusion: Fix |/|| confusion [SCSI] aic94xx: asd_clear_nexus should fail if the cleared task does not complete [SCSI] aic7xxx: fix aicasm build failure with gcc-3.4.6 [SCSI] aacraid: apply commit config for reset_devices flag [SCSI] sd: fix refcounting regression in suspend/resume routines [SCSI] aacraid: fix panic on short Inquiry [SCSI] aacraid: Correct sa platform support. (Was: [Bug 8469] Bad EIP value on pentium3 SMP kernel-2.6.21.1) [SCSI] NCR53C9x: correct spelling mistake in deprecation notice [SCSI] tgt: fix a rdma indirect transfer error bug [SCSI] MegaRAID: Update MAINTAINERS email-id [SCSI] stex: minor cleanup and version update [SCSI] stex: fix reset recovery for console device [SCSI] stex: extend hard reset wait time [SCSI] stex: fix id mapping issue [SCSI] ipr: Proper return codes for eh_dev_reset for SATA devices [SCSI] zfcp: IO stall after deleting and path checker changes after reenabling zfcp devices [SCSI] zfcp: avoid clutter in erp_dbf
2007-05-29USB: replace flush_workqueue with cancel_sync_workAlan Stern
This patch (as912) replaces a couple of calls to flush_workqueue() with cancel_sync_work() and cancel_rearming_delayed_work(). Using a more directed approach allows us to avoid some nasty deadlocks. The prime example occurs when a first-level device (the parent is a root hub) is removed while at the same time the root hub gets a remote wakeup request. khubd would try to flush the autosuspend workqueue while holding the root-hub's lock, and the remote-wakeup workqueue routine would be waiting to lock the root hub. The patch also reorganizes the power management portion of usb_disconnect(), separating it out into its own routine. The autosuspend workqueue entry is cancelled immediately instead of waiting for the device's release routine. In addition, synchronization with the autosuspend thread is carried out even for root hubs (an oversight in the original code). Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Greg KH <gregkh@suse.de> Cc: Mark Lord <lkml@rtr.ca> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-29[SPARC64]: Fill holes in hypervisor APIs and fix KTSB registry.David S. Miller
Several interfaces were missing and others misnumbered or improperly documented. Also, make sure to check the return value when registering the kernel TSBs with the hypervisor. This helped to find the 4MB kernel TSB alignment bug fixed in a previous changeset. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SPARC64]: Fix two bugs wrt. kernel 4MB TSB.David S. Miller
1) The TSB lookup was not using the correct hash mask. 2) It was not aligned on a boundary equal to it's size, which is required by the sun4v Hypervisor. wasn't having it's return value checked, and that bug will be fixed up as well in a subsequent changeset. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SPARC]: Mark as emulating cmpxchg, add appropriate depends for DRM.Martin Habets
The DRM code depends on an atomic version of cmpxchg(), which is not available on sparc32. Since other platforms besides sparc32 have this issue a KCONFIG option is added for it. Signed-off-by: Martin Habets <errandir_news@mph.eclipse.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SPARC]: Emulate cmpxchg like pariscKyle McMartin
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SPARC64]: Fix _PAGE_EXEC_4U check in sun4u I-TLB miss handler.David S. Miller
It was using an immediate _PAGE_EXEC_4U value in an 'and' instruction to perform the test. This doesn't work because the immediate field is signed 13-bit, this the mask being tested against the PTE was 0x1000 sign-extended to 32-bits instead of just plain 0x1000. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SPARC]: Linux always started with 9600 8N1Jan Engelhardt
The Linux kernel ignored the PROM's serial settings (115200,n,8,1 in my case). This was because mode_prop remained "ttyX-mode" (expected: "ttya-mode") due to the constness of string literals when used with "char *". Since there is no "ttyX-mode" property in the PROM, Linux always used the default 9600. [ Investigation of the suncore.s assembler reveals that gcc optimizied away the stores, yet did not emit a warning, which is a pretty anti-social thing to do and is the only reason this bug lived for so long -DaveM ] Signed-off-by: Jan Engelhardt <jengelh@gmx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SPARC64]: arch/sparc64/time.c doesn't compile on Ultra 1 (no PCI)Horst H. von Brand
This is bug 8540 on bugzilla.kernel.org arch/sparc64/time.c contains references to assorted bq4802 stuff if CONFIG_PCI is not set, and compile fails. I #ifdef'ed out everything that looks PCI-ish in that file. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SPARC64]: Eliminate NR_CPUS limitations.David S. Miller
Cheetah systems can have cpuids as large as 1023, although physical systems don't have that many cpus. Only three limitations existed in the kernel preventing arbitrary NR_CPUS values: 1) dcache dirty cpu state stored in page->flags on D-cache aliasing platforms. With some build time calculations and some build-time BUG checks on page->flags layout, this one was easily solved. 2) The cheetah XCALL delivery code could only handle a cpumask with up to 32 cpus set. Some simple looping logic clears that up too. 3) thread_info->cpu was a u8, easily changed to a u16. There are a few spots in the kernel that still put NR_CPUS sized arrays on the kernel stack, but that's not a sparc64 specific problem. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SPARC64]: Use machine description and OBP properly for cpu probing.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SPARC64]: Negotiate hypervisor API for PCI services.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SPARC64]: Report proper system soft state to the hypervisor.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SPARC64]: Fix typo in sun4v_hvapi_register error handling.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SCSI] ESP: Kill SCSI_ESP_CORE and link directly just like jazz_espDavid S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SCSI] jazz_esp: Converted to use esp_core.Thomas Bogendoerfer
Use new esp_scsi for JAZZ SCSI host adapter driver Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SPARC64]: PCI device scan is way too verbose by default.David S. Miller
These messages were very useful when bringing up the OBP based PCI device scan code, but it's just a lot of noise every bootup now especially on big machines. The messages can be re-enabled via 'ofpci_debug=1' on the kernel command line. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SERIAL] sunzilog: section mismatch fixKrzysztof Helt
This patch fixes section mismatch warnings in the sunzilog driver. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SPARC32]: Removes mismatch section warnigs in sparc time.c fileKrzysztof Helt
This patch removes mismatch section warnings in the sparc/kernel/time.c file. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SPARC64]: Don't be picky about virtual-dma values on sun4v.David S. Miller
Handle arbitrary base and length values as long as they are multiples of IO_PAGE_SIZE. Bug found by Arun Kumar Rao. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SPARC64]: Kill unused DIE_PAGE_FAULT enum value.Christoph Hellwig
sparc64 got rid of the pagefault notifiers, so the enum value for them can go away aswell. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-29[SCSI] pluto: Use wait_for_completion_timeout.Christoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-27firewire: fix return codeJeff Garzik
Fix this warning on x86-64 drivers/firewire/fw-cdev.c:798: warning: initialization from incompatible pointer type by making the return code of ioctl_send_request() the same as all the other ioctl_xxx() return codes. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-27firewire: prefix modules with firewire- instead of fw-Stefan Richter
Of course everybody immediately associates "fw-" with FireWire, not firmware or firewall or whatever. But "firewire-" has a nice ring to it too. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Acked-by: Kristian Hoegsberg <krh@bitplanet.net>
2007-05-27firewire: Add missing byteswapping for receive DMA programs.Kristian Høgsberg
Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-27ieee1394: raw1394: Fix async sendPetr Vandrovec
While playing with libiec61883 I've noticed that async_send is broken because it was doing copy_from_user(...., packet->data_size) before packet->data_size was set to any useful value. It got broken when packet->allocated_data_size got introduced, as hpsb_alloc_packet does not set packet->data_size anymore. (Regression in 2.6.22-rc1) Signed-off-by: Petr Vandrovec <petr@vandrovec.name> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-27ieee1394: eth1394: bring back a parent deviceStefan Richter
This adds a real parent device to eth1394's ethX device like in Linux 2.6.20 and older. However, due to unfinished conversion of the ieee1394 away from class_device, we now refer to the FireWire controller's PCI device as the parent, not to the ieee1394 driver's fw-host device. Having a real parent device instead of a virtual one allows udev scripts to distinguish eth1394 interfaces from networking bridges, bondings and the likes. Fixes a regression since 2.6.21: https://bugs.gentoo.org/show_bug.cgi?id=177199 Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-27ieee1394: eth1394: handle tlabel exhaustionStefan Richter
When eth1394 was unable to acquire a transaction label, it just dropped outgoing packets without attempt to resend them later. The transmit queue is now halted if no tlabel is available to ->hard_start_xmit(). A workqueue job is then scheduled to catch the moment when ieee1394 recycled the next lot of tlabels. Fixes http://bugzilla.kernel.org/show_bug.cgi?id=8402 Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-27ieee1394: eth1394: remove bogus netif_wake_queueStefan Richter
When we are within hard_start_xmit, the queue is already awake. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-27ieee1394: sbp2: include workqueue.hStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-27hwmon/applesmc: Handle name file creation error and deletionNicolas Boichat
The previous patch was incomplete. Signed-off-by: Nicolas Boichat <nicolas@boichat.ch> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-27hwmon/applesmc: Simplify dependenciesJean Delvare
The dependency upon HWMON is now handled at menu level. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Nicolas Boichat <nicolas@boichat.ch>
2007-05-27hwmon-vid: Don't spam the logs when VRM version is missingJean Delvare
If we cannot guess which VRM version the CPU uses, we set it to 0 and log it. So we shouldn't spam the log each time vid_from_reg() is later called with vrm 0. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Rudolf Marek <r.marek@assembler.cz>
2007-05-27hwmon/w83627hf: Be quiet when no chip is foundJean Delvare
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-27hwmon/coretemp: Add more safety checksRudolf Marek
Add detection of AE18 Errata of Core processor and warns users that the absolute readings might be wrong for Core2 processor. Signed-off-by: Rudolf Marek <r.marek@assembler.cz> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-05-27hwmon/ds1621: Fix swapped temperature limitsJean Delvare
The low temperature limit and the high temperature limit registers have been accidentally swapped, causing alarms to trigger when they shouldn't. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Aurelien Jarno <aurelien@aurel32.net>
2007-05-25Linux 2.6.22-rc3Linus Torvalds
It's that time of the year again. Summer starts in the US, and people want to sit at the beach with a new -rc candidate. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-25fix compat console unimap regressionHugh Dickins
Why is it that since the 2f1a2ccb9c0de632ab07193becf5f7121794f6ae console UTF-8 fixes went into 2.6.22-rc1, the PowerMac G5 shows only inverse video question marks for the text on tty2-6? whereas tty1 is fine, and so is x86. No fault of that patch: by removing the old fallback behaviour, it reveals that 32-bit setfont running on 64-bit kernels has only really worked on the current console, the rest getting faked by that inadequate fallback. Bring the compat do_unimap_ioctl into line with the main one: PIO_UNIMAP and GIO_UNIMAP apply to the specified tty, not redirected to fg_console. Use the same checks, and most particularly, remember to check access_ok: con_set_unimap and con_get_unimap are using __get_user and __put_user. And the compat vt_check should ask for the same capability as the main one, CAP_SYS_TTY_CONFIG rather than CAP_SYS_ADMIN. Added in vt_ioctl's vc_cons_allocated check for safety, though failure may well be impossible. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-25Merge branch 'for-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband: IPoIB/cm: Drain cq in ipoib_cm_dev_stop() IPoIB/cm: Fix timeout check in ipoib_cm_dev_stop() IB/ehca: Fix number of send WRs reported for new QP IB/mlx4: Initialize send queue entry ownership bits IB/mlx4: Don't allocate RQ doorbell if using SRQ
2007-05-25Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: pata_hpt37x: Further improvements based on the IDE updates and vendor drivers pata: Trivia [libata] sata_via, pata_via: Add PCI IDs. [libata] Fix decoding of 6-byte commands libata: sata_sis fixes Fix build failure for drivers/ata/pata_scc.c [libata] sata_mv: add TODO list [libata] sata_promise: fix flags typo
2007-05-25pata_hpt37x: Further improvements based on the IDE updates and vendor driversAlan Cox
Better DPLL use and calibration Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-05-25pata: TriviaAlan Cox
Typo/comment fixes Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-05-25[PATCH] ocfs2: use generic_segment_checksChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2007-05-25ocfs2: fix inode leakMark Fasheh
We weren't cleaning up our inode reference on error in ocfs2_reserve_local_alloc_bits(). Add a check for error return and iput() if need be. Move the code to set the alloc context inode info to the end of the function so we don't have any possibility of passing back a bad pointer. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2007-05-25[PATCH] ocfs2: use zero_user_pageNate Diller
Use zero_user_page() instead of open-coding it. Signed-off-by: Nate Diller <nate.diller@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>