- 03 10月, 2006 21 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/ehca: Tweak trace message format IB/ehca: Fix device registration IB/ipath: Fix RDMA reads RDMA/cma: Optimize error handling RDMA/cma: Eliminate unnecessary remove_list RDMA/cma: Set status correctly on route resolution error RDMA/cma: Fix device removal race RDMA/cma: Fix leak of cm_ids in case of failures
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由 Hoang-Nam Nguyen 提交于
Add an extra space to make things more readable. Signed-off-by: NHoang-Nam Nguyen <hnguyen@de.ibm.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Hoang-Nam Nguyen 提交于
Move the call to ib_register_device() later, since a device should not be registered until it is completely read to be used. This fixes crashes that occur if an upper-layer driver such as IPoIB is loaded before the ehca module. Signed-off-by: NHoang-Nam Nguyen <hnguyen@de.ibm.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Ralph Campbell 提交于
The PSN used to generate the request following a RDMA read was incorrect and some state booking wasn't maintained correctly. This patch fixes that. Signed-off-by: NRalph Campbell <ralph.campbell@qlogic.com> Signed-off-by: NBryan O'Sullivan <bryan.osullivan@qlogic.com>
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由 Krishna Kumar 提交于
Reorganize code relating to cma_get_net_info() and rdam_create_id() to optimize error case handling (no need to alloc memory/etc. as part of rdma_create_id() if input parameters are wrong). Signed-off-by: NKrishna Kumar <krkumar2@in.ibm.com> Signed-off-by: NSean Hefty <sean.hefty@intel.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Krishna Kumar 提交于
Eliminate remove_list by using list_del_init() instead during device removal handling. Signed-off-by: NKrishna Kumar <krkumar2@in.ibm.com> Signed-off-by: NSean Hefty <sean.hefty@intel.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Sean Hefty 提交于
On reporting a route error, also include the status for the error, rather than indicating a status of 0 when an error has occurred. Signed-off-by: NSean Hefty <sean.hefty@intel.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Krishna Kumar 提交于
The race is as follows: A process : cma_process_remove() calls cma_remove_id_dev(), which sets id state to CMA_DEVICE_REMOVAL and calls wait_event(dev_remove). B process : cma_req_handler() had incremented dev_remove, and calls cma_acquire_ib_dev() and on failure calls cma_release_remove(), which does a wake_up of cma_process_remove(). Then cma_req_handler() calls rdma_destroy_id(); A Process : cma_remove_id_dev() gets woken and checks the state of id, and since it is still (wrongly) CMA_DEVICE_REMOVAL, it calls notify_user(id) and if that fails, the caller - cma_process_remove() calls rdma_destroy_id(id). Two processes can call rdma_destroy_id(), resulting in one de-referencing kfreed id_priv. Fix is for process B to set CMA_DESTROYING in cma_req_handler() so that process A will return instead of doing a rdma_destroy_id(). Signed-off-by: NKrishna Kumar <krkumar2@in.ibm.com> Signed-off-by: NSean Hefty <sean.hefty@intel.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Krishna Kumar 提交于
cma_connect_ib() and cma_connect_iw() leak cm_id's in failure cases. Signed-off-by: NKrishna Kumar <krkumar2@in.ibm.com> Signed-off-by: NSean Hefty <sean.hefty@intel.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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由 Linus Torvalds 提交于
* master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: [WATCHDOG] improve machzwd detection [WATCHDOG] use ENOTTY instead of ENOIOCTLCMD in ioctl() [WATCHDOG] s3c24XX nowayout [WATCHDOG] pnx4008: add cpu_relax() [WATCHDOG] pnx4008_wdt.c - spinlock fixes. [WATCHDOG] pnx4008_wdt.c - remove patch [WATCHDOG] pnx4008_wdt.c - nowayout patch [WATCHDOG] pnx4008: add watchdog support [WATCHDOG] i8xx_tco remove pci_find_device. [WATCHDOG] alim remove pci_find_device
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由 Dave Jones 提交于
On a machine with no machzwd, loading the module prints out.. machzwd: MachZ ZF-Logic Watchdog driver initializing. 0xffff machzwd: Watchdog using action = RESET - the 0xffff printk is unnecessary - 0xffff seems to be 'hardware not present' - fix CodingStyle. (This driver could use some more work here) Signed-off-by: NDave Jones <davej@redhat.com> Signed-off-by: NWim Van Sebroeck <wim@iguana.be> Signed-off-by: NAndrew Morton <akpm@osdl.org>
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由 Samuel Tardieu 提交于
Return ENOTTY instead of ENOIOCTLCMD in user-visible ioctl() results The watchdog drivers used to return ENOIOCTLCMD for bad ioctl() commands. ENOIOCTLCMD should not be visible by the user, so use ENOTTY instead. Signed-off-by: NSamuel Tardieu <sam@rfc1149.net> Signed-off-by: NWim Van Sebroeck <wim@iguana.be> Acked-by: NAlan Cox <alan@redhat.com> Signed-off-by: NAndrew Morton <akpm@osdl.org>
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由 Ben Dooks 提交于
If the driver is not configured for `no way out`, then the open method should not automatically allow the setting of allow_close to CLOSE_STATE_ALLOW. The setting of allow_close nullifies the use of the magic close via the write path. It means that in the default state, the watchdog will shut-down even if the magic close has not been issued. Signed-off-by: NBen Dooks <ben-linux@fluff.org>
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由 Vitaly Wool 提交于
Added cpu_relax as suggested by Alan Cox. Signed-off-by: NVitaly Wool <vitalywool@gmail.com> Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
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由 Wim Van Sebroeck 提交于
Add io spinlocks to prevent possible race conditions between start and stop operations that are issued from different child processes where the master process opened /dev/watchdog. Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
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由 Linus Torvalds 提交于
Duh. I screwed up editing David Howells patch in commit 3f2e05e9, and the actual declaration for the sigset_from_compat() function went missing. My bad. Olaf Hering saved the day and noticed that I'm a moron. Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Wim Van Sebroeck 提交于
Change remove code so that we first detach the driver from userspace, then clean up the clock and then clean up the memory we allocated. Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
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由 Wim Van Sebroeck 提交于
Change nowayout to: WATCHDOG_NOWAYOUT as defined in include/linux/watchdog.h . Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
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由 Vitaly Wool 提交于
Add watchdog support for Philips PNX4008 ARM board inlined. Signed-off-by: NVitaly Wool <vitalywool@gmail.com> Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
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由 Jiri Slaby 提交于
Use refcounting for pci device obtaining. Use PCI_DEVICE macro. Signed-off-by: NJiri Slaby <jirislaby@gmail.com> Signed-off-by: NWim Van Sebroeck <wim@iguana.be> Cc: Andrew Morton <akpm@osdl.org>
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由 Jiri Slaby 提交于
Convert pci_find_device to pci_get_device + pci_dev_put in alim watchdog cards' drivers (refcounting). Signed-off-by: NJiri Slaby <jirislaby@gmail.com> Signed-off-by: NWim Van Sebroeck <wim@iguana.be> Signed-off-by: NAndrew Morton <akpm@osdl.org>
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- 02 10月, 2006 19 次提交
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由 Linus Torvalds 提交于
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (37 commits) [netdrvr] hp100: encapsulate all non-module code drivers/net/wireless/{airo,ipw2100}: fix error handling bugs [netdrvr] phy: Fix bugs in error handling [PATCH] spidernet: Use pci_dma_mapping_error() [PATCH] sky2: version 1.9 [PATCH] sky2: fragmented receive for large MTU [PATCH] sky2: use netif_tx_lock instead of LLTX [PATCH] sky2: incremental transmit completion [PATCH] sky2: name irq after eth for irqbalance [PATCH] sky2: workarounds for some 88e806x chips [PATCH] sky2: use standard pci register capabilties for error register [PATCH] sky2: gigabit full duplex negotiation e100, e1000, ixgb: increment version numbers ixgb: convert to netdev_priv(netdev) ixgb: combine more rx descriptors to improve performance e1000: possible memory leak in e1000_set_ringparam e1000: Janitor: Use #defined values for literals e1000: don't strip vlan ID if 8021q claims it e1000: rework polarity, NVM, eeprom code and fixes. e1000: driver state fixes (race fix) ...
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git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6: JFS: White space cleanup [PATCH] JFS: return correct error when i-node allocation failed JFS: Remove shadow variable from fs/jfs/jfs_txnmgr.c:xtLog()
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git://git.infradead.org/mtd-2.6由 Linus Torvalds 提交于
* git://git.infradead.org/mtd-2.6: [MTD] Cleanup of 'ioremap balanced with iounmap for drivers/mtd subsystem' [MTD] fix nftl_write warning [MTD] fix printk warning [MTD ONENAND] Check OneNAND lock scheme & all block unlock command support [MTD ONENAND] Remove unused MTD_ONENAND_SYNC_READ configuration [MTD ONENAND] Fix OneNAND probe [MTD NAND] Provide prototype for newly-exported nand_wait_ready() [MTD] Remove #ifndef __KERNEL__ hack in <mtd/mtd-abi.h> [MTD NAND] Allow override of page read and write functions. [MTD NAND] Allocate chip->buffers separately to allow it to be overridden [MTD NAND] Split nand_scan() into two parts; allow board driver to intervene [MTD NAND] Export nand_wait_ready() for use by board drivers
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (35 commits) Input: wistron - add support for Acer TravelMate 2424NWXCi Input: wistron - fix setting up special buttons Input: add KEY_BLUETOOTH and KEY_WLAN definitions Input: add new BUS_VIRTUAL bus type Input: add driver for stowaway serial keyboards Input: make input_register_handler() return error codes Input: remove cruft that was needed for transition to sysfs Input: fix input module refcounting Input: constify input core Input: libps2 - rearrange exports Input: atkbd - support Microsoft Natural Elite Pro keyboards Input: i8042 - disable MUX mode on Toshiba Equium A110 Input: i8042 - get rid of polling timer Input: send key up events at disconnect Input: constify psmouse driver Input: i8042 - add Amoi to the MUX blacklist Input: logips2pp - add sugnature 56 (Cordless MouseMan Wheel), cleanup Input: add driver for Touchwin serial touchscreens Input: add driver for Touchright serial touchscreens Input: add driver for Penmount serial touchscreens ...
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git://ftp.linux-mips.org/pub/scm/upstream-linus由 Linus Torvalds 提交于
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] Remove unused galileo-boars header files [MIPS] Rename SERIAL_PORT_DEFNS for EV64120 [MIPS] Add UART IRQ number for EV64120 [MIPS] Remove excite_flash.c [MIPS] Update i8259 resources. [MIPS] Make unwind_stack() can dig into interrupted context [MIPS] Stacktrace build-fix and improvement [MIPS] QEMU: Add support for little endian mips [MIPS] Remove __flush_icache_page [MIPS] lockdep: update defconfigs [MIPS] lockdep: Add STACKTRACE_SUPPORT and enable LOCKDEP_SUPPORT [MIPS] lockdep: fix TRACE_IRQFLAGS_SUPPORT
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由 David Howells 提交于
Revert Andrew Morton's patch to temporarily hack around the lack of a declaration of sigset_t in linux/compat.h to make the block-disablement patches build on IA64. This got accidentally pushed to Linus and should be fixed in a different manner. Also make linux/compat.h #include asm/signal.h to gain a definition of sigset_t so that it can externally declare sigset_from_compat(). This has been compile-tested for i386, x86_64, ia64, mips, mips64, frv, ppc and ppc64 and run-tested on frv. Signed-off-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Cedric Le Goater 提交于
There are a few places in the kernel where the init task is signaled. The ctrl+alt+del sequence is one them. It kills a task, usually init, using a cached pid (cad_pid). This patch replaces the pid_t by a struct pid to avoid pid wrap around problem. The struct pid is initialized at boot time in init() and can be modified through systctl with /proc/sys/kernel/cad_pid [ I haven't found any distro using it ? ] It also introduces a small helper routine kill_cad_pid() which is used where it seemed ok to use cad_pid instead of pid 1. [akpm@osdl.org: cleanups, build fix] Signed-off-by: NCedric Le Goater <clg@fr.ibm.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Oleg Nesterov 提交于
proc_pid_make_inode: ei->pid = get_pid(task_pid(task)); I think this is not safe. get_pid() can be preempted after checking "pid != NULL". Then the task exits, does detach_pid(), and RCU frees the pid. Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Eric W. Biederman 提交于
Signed-off-by: NEric W. Biederman <ebiederm@xmission.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Eric W. Biederman 提交于
Signed-off-by: NEric W. Biederman <ebiederm@xmission.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Eric W. Biederman 提交于
It was pointed out that since I am taking ARRAY_SIZE anyway the trailing empty entry is silly and just wastes space. Signed-off-by: NEric W. Biederman <ebiederm@xmission.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Eric W. Biederman 提交于
The value doesn't change but this ensures I will have the proper value when other files are added to proc_base_stuff. Signed-off-by: NEric W. Biederman <ebiederm@xmission.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Oleg Nesterov 提交于
task_state() needs tasklist_lock to protect ->parent/->real_parent. However task->parent points to nowhere only when the actions below happen in order 1) release_task(task) 2) release_task(task->parent) 3) a grace period passed But 3) implies that the memory ops from 1) should be finished, so pid_alive() can't be true in such a case. Otherwise, we don't care if ->parent/->real_parent changes under us. Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Oleg Nesterov 提交于
Drop tasklist_lock. ->siglock protects almost all interesting data (including sub-threads traversal) except: ->signal->tty protected by tty_mutex ->real_parent the task can't be unhashed while we are holding ->siglock, so ->real_parent can change from under us but we can safely dereference it under rcu_read_lock() ->pgrp/->session we can get inconsistent numbers if the task does sys_setsid/daemonize at the same time. I hope this is acceptable. Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Oleg Nesterov 提交于
lock_task_sighand() can take ->siglock without holding tasklist_lock. Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Eric W. Biederman 提交于
Signed-off-by: NEric W. Biederman <ebiederm@xmission.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Eric W. Biederman 提交于
The implementation is exactly the same and there is currently nothing to distinguish proc_tid_attr, and proc_tgid_attr. So it is pointless to have two separate implementations. Signed-off-by: NEric W. Biederman <ebiederm@xmission.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Eric W. Biederman 提交于
The hard coded inode numbers in proc currently limit its maintainability, its flexibility, and what can be done with the rest of system. /proc limits pid-max to 32768 on 32 bit systems it limits fd-max to 32768 on all systems, and placing the pid in the inode number really gets in the way of implementing subdirectories of per process information. Ever since people started adding to the middle of the file type enumeration we haven't been maintaing the historical inode numbers, all we have really succeeded in doing is keeping the pid in the proc inode number. The pid is already available in the directory name so no information is lost removing it from the inode number. So if something in user space cares if we remove the inode number from the /proc inode it is almost certainly broken. Signed-off-by: NEric W. Biederman <ebiederm@xmission.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Eric W. Biederman 提交于
To remove the hard coded proc inode numbers it is necessary to be able to create the proc inodes during readdir. The instantiate methods are the subset of lookup that is needed to accomplish that. This first step just splits the lookup methods into 2 functions. Signed-off-by: NEric W. Biederman <ebiederm@xmission.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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