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* [PATCH] LSM: remove BSD secure level security moduleChris Wright2006-09-294-781/+0
| | | | | | | | | | | | | | | | This code has suffered from broken core design and lack of developer attention. Broken security modules are too dangerous to leave around. It is time to remove this one. Signed-off-by: Chris Wright <chrisw@sous-sol.org> Acked-by: Michael Halcrow <mhalcrow@us.ibm.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Cc: Davi Arnaut <davi.arnaut@gmail.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Acked-by: James Morris <jmorris@namei.org> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Use valid_dma_direction() in include/asm-i386/dma-mapping.hRolf Eike Beer2006-09-291-6/+6
| | | | | | | | | | | | | Now that the generic DMA code has a function to decide if a given DMA mapping is valid use it. This will catch cases where direction is not any of the defined enum values but some random number outside the valid range. The current implementation will only catch the defined but invalid case DMA_NONE. Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Acked-by: Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Move valid_dma_direction() from x86_64 to generic codeRolf Eike Beer2006-09-295-11/+11
| | | | | | | | | | | As suggested by Muli Ben-Yehuda this function is moved to generic code as may be useful for all archs. [akpm@osdl.org: fix] Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Cc: Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] There is no devfs, there has never been a devfs, we have always been ↵Alan Cox2006-09-293-9/+10
| | | | | | | | | | | | at war with... Jon Smirl noted a couple of tty driver functions now are quite misleadingly named with the death of devfs. A quick grep found another case in the lp driver. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Fix kerneldoc comments in kernel/timer.cRolf Eike Beer2006-09-291-12/+17
| | | | | | | | | | | Some of the kerneldoc comments in this file are ignored since the lead-in is malformed, using either "/*" or "/***" instead of "/**". [rdunlap@xenotime.net: kerneldoc fixes] Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] oom_adj/oom_score documentationJan-Frode Myklebust2006-09-291-0/+18
| | | | | | | | | | | I was looking for the a way around an OOM-problem, and found a couple of undocumented new features for tuning the OOM-score of individual processes. Here's a small documentation patch for /proc/<pid>/oom_adj and /proc/<pid>/oom_score. Signed-off-by: Jan-Frode Myklebust <mykleb@no.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] clean up and remove some extra spinlocks from rtmutexSteven Rostedt2006-09-291-26/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Oleg brought up some interesting points about grabbing the pi_lock for some protections. In this discussion, I realized that there are some places that the pi_lock is being grabbed when it really wasn't necessary. Also this patch does a little bit of clean up. This patch basically does three things: 1) renames the "boost" variable to "chain_walk". Since it is used in the debugging case when it isn't going to be boosted. It better describes what the test is going to do if it succeeds. 2) moves get_task_struct to just before the unlocking of the wait_lock. This removes duplicate code, and makes it a little easier to read. The owner wont go away while either the pi_lock or the wait_lock are held. 3) removes the pi_locking and owner blocked checking completely from the debugging case. This is because the grabbing the lock and doing the check, then releasing the lock is just so full of races. It's just as good to go ahead and call the pi_chain_walk function, since after releasing the lock the owner can then block anyway, and we would have missed that. For the debug case, we really do want to do the chain walk to test for deadlocks anyway. [oleg@tv-sign.ru: more of the same] Signed-of-by: Steven Rostedt <rostedt@goodmis.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Esben Nielsen <nielsen.esben@googlemail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fix Intel RNG detectionJan Beulich2006-09-291-9/+177
| | | | | | | | | | | | | | | | | | | Previously, since determination whether there was an Intel random number generator was based on a single bit, on systems with a matching bridge device but without a firmware hub, there was a 50% chance that the code would incorrectly decide that the system had an RNG. This patch adds detection of the firmware hub to better qualify the existence of an RNG. There is one issue with the patch: I was unable to determine the LPC equivalent for the PCI bridge 8086:2430 (since the old code didn't care about which of the many devices provided by the ICH/ESB it was chose to use the PCI bridge device, but the FWH settings live in the LPC device, so the device list needed to be changed). Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mount udf UDF_PART_FLAG_READ_ONLY partitions with MS_RDONLYEric Sandeen2006-09-291-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's a bug where a UDF_PART_FLAG_READ_ONLY udf partition gets mounted read-write, then subsequent problems happen; files seem to be able to be removed, but file creation results in EIO or worse, oops. EIO is coming from udf_new_block(), which returns EIO if the right flags aren't set; only UDF_PART_FLAG_READ_ONLY is set in this case. We probably s hould not have gotten this far... Attached patch seems to fix it - and includes a printk to alert the user that their "rw" mount request has been converted to "ro." Here's the testcase I used: [root@magnesium ~]# mkisofs -R -J -udf -o testiso /tmp/ ... Total translation table size: 0 Total rockridge attributes bytes: 342923 Total directory bytes: 382312 Path table size(bytes): 104 Max brk space used 103000 105059 extents written (205 MB) [root@magnesium ~]# mount -o loop testiso /mnt/test/ [root@magnesium ~]# ls /mnt/test/fsfile /mnt/test/fsfile [root@magnesium ~]# rm /mnt/test/fsfile [root@magnesium ~]# ls /mnt/test/fsfile ls: /mnt/test/fsfile: No such file or directory [root@magnesium ~]# touch /mnt/test/fsfile touch: cannot touch `/mnt/test/fsfile': Input/output error [root@magnesium tmp]# grep udf /proc/mounts /dev/loop1 /mnt/test udf rw 0 0 Force readonly mounts of UDF partitions marked as read-only. Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ifdef blktrace debugging fieldsAlexey Dobriyan2006-09-295-7/+11
| | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] task_struct: ifdef Missed'em V IPCAlexey Dobriyan2006-09-291-0/+2
| | | | | | | | | | | | | | | | | | ipc/sem.c only. $ agrep sysvsem -w -n ipc/sem.c:912: undo_list = current->sysvsem.undo_list; ipc/sem.c:932: undo_list = current->sysvsem.undo_list; ipc/sem.c:954: undo_list = current->sysvsem.undo_list; ipc/sem.c:963: current->sysvsem.undo_list = undo_list; ipc/sem.c:1247: tsk->sysvsem.undo_list = undo_list; ipc/sem.c:1249: tsk->sysvsem.undo_list = NULL; ipc/sem.c:1271: undo_list = tsk->sysvsem.undo_list; include/linux/sched.h:876: struct sysv_sem sysvsem; Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ignore partition table on disks with AIX labelOlaf Hering2006-09-291-0/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The on-disk data structures from AIX are not known, also the filesystem layout is not known. There is a msdos partition signature at the end of the first block, and the kernel recognizes 3 small (and overlapping) partitions. But they are not usable. Maybe the firmware uses it to find the bootloader for AIX, but AIX boots also if the first block is cleared. This is the content of the partition table: # dd if=/dev/sdb count=$(( 4 * 16 )) bs=1 skip=$(( 0x1be )) | xxd 0000000: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 0000010: 80ff ffff 41ff ffff 1b11 0000 381b 0000 ....A.......8... 0000020: 00ff ffff 41ff ffff 0211 0000 1900 0000 ....A........... 0000030: 80ff ffff 41ff ffff 1b11 0000 381b 0000 ....A.......8... Handle the whole disk as empty disk. This fixes also YaST which compares the output from parted (and formerly fdisk) with /proc/partitions. fdisk recognizes the AIX label since a long time, SuSE has a patch for parted to handle the disk label as unknown. dmesg will look like this: sda: [AIX] unknown partition table Tested on an IBM B50 with AIX V4.3.3. Signed-off-by: Olaf Hering <olh@suse.de> Cc: Albert Cahalan <acahalan@gmail.com> Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Remove unused tty_struct fieldMatthias Urlichs2006-09-291-1/+0
| | | | | | | | | | | | | Unused: tty_struct.max_flip_cnt $ git grep max_flip_cnt include/linux/tty.h: int max_flip_cnt; $ Cc: Paul Fulghum <paulkf@microgate.com> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] DMI: Decode and save OEM String informationShem Multinymous2006-09-292-1/+25
| | | | | | | | | | | | | | | | | | This teaches dmi_decode() how to decode and save OEM Strings (type 11) DMI information, which is currently discarded silently. Existing code using DMI is not affected. Follows the "System Management BIOS (SMBIOS) Specification" (http://www.dmtf.org/standards/smbios), and also the userspace dmidecode.c code. OEM Strings are the only safe way to identify some hardware, e.g., the ThinkPad embedded controller used by the soon-to-be-submitted tp_smapi driver. This will also let us eliminate the long whitelist in the mainline hdaps driver (in a future patch). Signed-off-by: Shem Multinymous <multinymous@gmail.com> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] timer: add lock annotation to lock_timer_baseJosh Triplett2006-09-291-0/+1
| | | | | | | | | | | lock_timer_base acquires a lock and returns with that lock held. Add a lock annotation to this function so that sparse can check callers for lock pairing, and so that sparse will not complain about this function since it intentionally uses the lock in this manner. Signed-off-by: Josh Triplett <josh@freedesktop.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] vfs: define new lookup flag for chdirMiklos Szeredi2006-09-293-2/+4
| | | | | | | | | | | | | In the "operation does permission checking" model used by fuse, chdir permission is not checked, since there's no chdir method. For this case set a lookup flag, which will be passed to ->permission(), so fuse can distinguish it from permission checks for other operations. Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fuse: use dentry in statfsMiklos Szeredi2006-09-291-0/+1
| | | | | | | | | | | | | | | | Some filesystems may want to report different values depending on the path within the filesystem, i.e. one mount is actually several filesystems. This can be the case for a network filesystem exported by an unprivileged server (e.g. sshfs). This is now possible, thanks to David Howells "VFS: Permit filesystem to perform statfs with a known root dentry" patch. This change is backward compatible, so no need to change interface version. Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] module_subsys: initialize earlierMark Huang2006-09-291-1/+1
| | | | | | | | | | | | | | | | | | | Initialize module_subsys earlier (or at least earlier than devices) since it could be used very early in the boot process if kmod loads a module before the device initcalls. Otherwise, kmod will crash in kernel/module.c:mod_sysfs_setup() since the kset in module_subsys is not initialized yet. I only noticed this problem because occasionally, kmod loads the modules for my SCSI and Ethernet adapters very early, during the boot process itself. I don't quite understand why it loads them sometimes and doesn't load them other times. Or who is telling kmod to do so. Can someone explain? Signed-off-by: Mark Huang <mlhuang@cs.princeton.edu> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Require mmap handler for a.out executablesEugene Teo2006-09-291-0/+14
| | | | | | | | | | | | | Files supported by fs/proc/base.c, i.e. /proc/<pid>/*, are not capable of meeting the validity checks in ELF load_elf_*() handling because they have no mmap handler which is required by ELF. In order to stop a.out executables being used as part of an exploit attack against /proc-related vulnerabilities, we make a.out executables depend on ->mmap() existing. Signed-off-by: Eugene Teo <eteo@redhat.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] kthread: drivers/base/firmware_class.cSukadev Bhattiprolu2006-09-291-6/+6
| | | | | | | | | | | | | | Replace kernel_thread() call in drivers/base/firmware_class.c with kthread_create() since kernel_thread() is deprecated in drivers. Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Serge E. Hallyn <serue@us.ibm.com> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Manuel Estrada Sainz <ranty@debian.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] rcu: add lock annotations to rcu{,_bh}_torture_read_{lock,unlock}Josh Triplett2006-09-291-4/+4
| | | | | | | | | | | | | | rcu_torture_read_lock and rcu_bh_torture_read_lock acquire locks without releasing them, and the matching functions rcu_torture_read_unlock and rcu_bh_torture_read_unlock get called with the corresponding locks held and release them. Add lock annotations to these four functions so that sparse can check callers for lock pairing, and so that sparse will not complain about these functions since they intentionally use locks in this manner. Signed-off-by: Josh Triplett <josh@freedesktop.org> Acked-by: Paul McKenney <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fs: add lock annotation to grab_superJosh Triplett2006-09-291-1/+1
| | | | | | | | | | | grab_super gets called with sb_lock held, and releases it. Add a lock annotation to this function so that sparse can check callers for lock pairing, and so that sparse will not complain about this function since it intentionally uses the lock in this manner. Signed-off-by: Josh Triplett <josh@freedesktop.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] lockdep: don't pull in includes when lockdep disabledMichael S. Tsirkin2006-09-291-2/+2
| | | | | | | | | | Do not pull in various includes through lockdep.h if lockdep is disabled. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Cc: Ingo Molnar <mingo@elte.hu> Cc: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] hugetlbfs: add lock annotation to hugetlbfs_forget_inode()Josh Triplett2006-09-291-1/+1
| | | | | | | | | | | hugetlbfs_forget_inode releases inode_lock. Add a lock annotation to this function so that sparse can check callers for lock pairing, and so that sparse will not complain about this functions since it intentionally uses the lock in this manner. Signed-off-by: Josh Triplett <josh@freedesktop.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fuse: add lock annotations to request_end and fuse_read_interruptJosh Triplett2006-09-291-0/+2
| | | | | | | | | | | | request_end and fuse_read_interrupt release fc->lock. Add lock annotations to these two functions so that sparse can check callers for lock pairing, and so that sparse will not complain about these functions since they intentionally use locks in this manner. Signed-off-by: Josh Triplett <josh@freedesktop.org> Acked-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] afs: add lock annotations to afs_proc_cell_servers_{start,stop}Josh Triplett2006-09-291-0/+2
| | | | | | | | | | | | | afs_proc_cell_servers_start acquires a lock, and afs_proc_cell_servers_stop releases that lock. Add lock annotations to these two functions so that sparse can check callers for lock pairing, and so that sparse will not complain about these functions since they intentionally use locks in this manner. Signed-off-by: Josh Triplett <josh@freedesktop.org> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mbcache: add lock annotation for __mb_cache_entry_release_unlock()Josh Triplett2006-09-291-0/+1
| | | | | | | | | | __mb_cache_entry_release_unlock releases mb_cache_spinlock, so annotate it accordingly. Signed-off-by: Josh Triplett <josh@freedesktop.org> Cc: Andreas Gruenbacher <agruen@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] efi: add lock annotations for efi_call_phys_prelog and ↵Josh Triplett2006-09-291-2/+2
| | | | | | | | | | | | | | | | efi_call_phys_epilog The functions efi_call_phys_prelog and efi_call_phys_epilog in arch/i386/kernel/efi.c wrap the spinlock efi_rt_lock: efi_call_phys_prelog returns with the lock held, and efi_call_phys_epilog releases the lock without acquiring it. Add lock annotations to these two functions so that sparse can check callers for lock pairing, and so that sparse will not complain about these functions since they intentionally use locks in this manner. Signed-off-by: Josh Triplett <josh@freedesktop.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] irq: remove a extra lineYoichi Yuasa2006-09-291-4/+0
| | | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] irq: fixed coding styleYoichi Yuasa2006-09-291-1/+1
| | | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] use gcc -O1 in fs/reiserfs only for ancient gcc versionsOlaf Hering2006-09-291-1/+1
| | | | | | | | | | Only compile with -O1 if the (very old) compiler is broken. We use reiserfs alot since SLES9 on ppc64, and it was never seen with gcc33. Assume the broken gcc is gcc-3.4 or older. Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] OMAP: Update OMAP1/2 boards to give keymapsize and other pdataKomal Shah2006-09-298-23/+41
| | | | | | | | | | | This patch adds keymapsize, delay and debounce flag in the keypad platform data for various TI OMAP1/2 based boards like F-sample, H2, H3, Innovator, Nokia770, OSK, Perseus and H4. Signed-off-by: Komal Shah <komal_shah802003@yahoo.com> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] OMAP: Add keypad driverKomal Shah2006-09-294-0/+505
| | | | | | | | | | | | This patch adds support for keypad driver running on different TI OMAP(http://www.ti.com/omap) processor based boards like OSK, H2, H3, H4, Persuas and Nokia 770. Signed-off-by: Komal Shah <komal_shah802003@yahoo.com> Acked-by: Dmitry Torokhov <dtor@mail.ru> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] OMAP: Add Watchdog driver supportKomal Shah2006-09-294-0/+463
| | | | | | | | | | | Add Texas Instruments (TI) OMAP1/2 (http://www.ti.com/omap) based processors, like OMAP1610/1710/242x. [akpm@osdl.org: cleanups] Cc: <gdavis@mvista.com> Cc: "Komal Shah" <komal_shah802003@yahoo.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] OMAP: Add smc91x support for TI OMAP2420 H4 boardKomal Shah2006-09-291-0/+1
| | | | | | | | | Add smc91x support for TI OMAP2420 H4 EVM board. Cc: <nico@cam.org> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] spinlock_debug: don't recompute (jiffies_per_loop * HZ) in spinloopChuck Ebbert2006-09-291-6/+9
| | | | | | | | | | | | In spinlock_debug.c, the spinloops call __delay() on every iteration. Because that is an external function, (jiffies_per_loop * HZ), the loop's iteration limit, gets recomputed every time. Caching it explicitly prevents that. Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Fix parameter names in drivers/base/class.cRolf Eike Beer2006-09-291-4/+4
| | | | | | | | | | Change parameter names to match arguments of functions. Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Cc: Martin Waitz <tali@admingilde.org> Cc: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Include documentation for functions in drivers/base/class.cRolf Eike Beer2006-09-291-0/+1
| | | | | | | | | | | drivers/base/class.c is omitted by "make *docs". Add it to get documentation for class_create() and friends for free. Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Cc: Martin Waitz <tali@admingilde.org> Cc: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] kthread: convert loop.c to kthreadSerge E. Hallyn2006-09-292-48/+26
| | | | | | | | | | | | | | Convert loop.c from the deprecated kernel_thread to kthread. This patch simplifies the code quite a bit and passes similar testing to the previous submission on both emulated x86 and s390. Changes since last submission: switched to using a rather simple loop based on wait_event_interruptible. Signed-off-by: Serge E. Hallyn <serue@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] kernel-doc: move filesystems togetherRandy Dunlap2006-09-291-39/+39
| | | | | | | | Move all VFS + filesystem docs together. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] kernel-doc for relay interfaceRandy Dunlap2006-09-292-14/+38
| | | | | | | | | | Add relay interface support to DocBook/kernel-api.tmpl. Fix typos etc. in relay.c and relayfs.txt. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Acked-by: Tom Zanussi <zanussi@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] libfs: remove page up-to-date check from simple_readpagePekka J Enberg2006-09-291-9/+1
| | | | | | | | | | | | Remove the unnecessary PageUptodate check from simple_readpage. The only two callers for ->readpage that don't have explicit PageUptodate check are read_cache_pages and page_cache_read which operate on newly allocated pages which don't have the flag set. [akpm: use the allegedly-faster clear_page(), too] Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Make net48xx-led use scx200_gpio_opsChris Boot2006-09-291-5/+4
| | | | | | | | | Make the next48xx LED code use scx200_gpio_ops instead of raw SCx200 GPIO accesses. Signed-off-by: Chris Boot <bootc@bootc.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] scx200_gpio export cleanupsChris Boot2006-09-292-1/+2
| | | | | | | | | Use EXPORT_SYMBOL_GPL for new symbols, and declare the struct in the header file for access by other modules. Signed-off-by: Chris Boot <bootc@bootc.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Let WARN_ON/WARN_ON_ONCE return the conditionHerbert Xu2006-09-292-21/+23
| | | | | | | | | | | | | | | | | | | | | | | | | Letting WARN_ON/WARN_ON_ONCE return the condition means that you could do if (WARN_ON(blah)) { handle_impossible_case } Rather than if (unlikely(blah)) { WARN_ON(1) handle_impossible_case } I checked all the newly added WARN_ON_ONCE users and none of them test the return status so we can still change it. [akpm@osdl.org: warning fix] [akpm@osdl.org: build fix] Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] drivers/char/pc8736x_gpio.c: remove unused static functionsAdrian Bunk2006-09-291-10/+0
| | | | | | | | | | drivers/char/pc8736x_gpio.c:192: warning: #pc8736x_gpio_set_high# defined but not used drivers/char/pc8736x_gpio.c:197: warning: #pc8736x_gpio_set_low# defined but not used Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Jim Cromie <jim.cromie@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] drivers/char/scx200_gpio.c: make code staticJim Cromie2006-09-291-1/+1
| | | | | | | | | This patch makes a needlessly global variable static. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] remove unnecessary barrier in rtc_get_rtc_timeSteven Rostedt2006-09-291-3/+1
| | | | | | Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Make touch_nmi_watchdog imply touch_softlockup_watchdog on all archsMichal Schmidt2006-09-292-4/+2
| | | | | | | | | | | | | | | | | touch_nmi_watchdog() calls touch_softlockup_watchdog() on both architectures that implement it (i386 and x86_64). On other architectures it does nothing at all. touch_nmi_watchdog() should imply touch_softlockup_watchdog() on all architectures. Suggested by Andi Kleen. [heiko.carstens@de.ibm.com: s390 fix] Signed-off-by: Michal Schmidt <xschmi00@stud.feec.vutbr.cz> Cc: Andi Kleen <ak@muc.de> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Michal Schmidt <xschmi00@stud.feec.vutbr.cz> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] list_del debug checkManfred Spraul2006-09-291-5/+7
| | | | | | | | | | A list_del() debugging check. Has been in -mm for years. Dave moved list_del() out-of-line in the debug case, so this is now suitable for mainline. Cc: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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