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2007-08-11timer: remove clockevents_unregister_notifierMiao Xie
I find a function(clockevents_unregister_notifier) which is not called by anything in tree. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11spidev warning fixDavid Brownell
Git rid of "warning: passing arg 2 of `access_ok' makes pointer from integer without a cast" reported on SH ... most architectures use macros in that test, SH uses inlined functions. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11cris: drivers/cdrom/Kconfig no longer existsAdrian Bunk
scripts/kconfig/conf -d arch/cris/Kconfig arch/cris/Kconfig:183: can't open file "drivers/cdrom/Kconfig" Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11RCU: Remove prototype for nonexistent function synchronize_idle()Josh Triplett
synchronize_idle() sounds like an interesting function, but we don't actually have it, so don't prototype it. Introduced in commit 9b06e818985d139fd9e82c28297f7744e1b484e1, in 2005. Signed-off-by: Josh Triplett <josh@kernel.org> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11hex_dump: add missing "const" qualifiersAlan Stern
Add missing "const" qualifiers to the print_hex_dump_bytes() library routines. (akpm: rumoured to fix some compile warning somewhere) Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Cc: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11mtdchar build fixAndrew Morton
sh: drivers/mtd/mtdchar.c: In function `mtd_mmap': drivers/mtd/mtdchar.c:817: error: dereferencing pointer to incomplete type drivers/mtd/mtdchar.c:817: error: `VM_SHARED' undeclared (first use in this function) drivers/mtd/mtdchar.c:817: error: (Each undeclared identifier is reported only once Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11fix serial buffer memory leakAlan Cox
Patch c5c34d4862e18ef07c1276d233507f540fb5a532 (tty: flush flip buffer on ldisc input queue flush) introduces a race condition which can lead to memory leaks. The problem can be triggered when tcflush() is called when data are being pushed to the line discipline driver by flush_to_ldisc(). flush_to_ldisc() releases tty->buf.lock when calling the line discipline receive_buf function. At that poing tty_buffer_flush() kicks in and sets both tty->buf.head and tty->buf.tail to NULL. When flush_to_ldisc() finishes, it restores tty->buf.head but doesn't touch tty->buf.tail. This corrups the buffer queue, and the next call to tty_buffer_request_room() will allocate a new buffer and overwrite tty->buf.head. The previous buffer is then lost forever without being released. (Thanks to Laurent for the above text, for finding, disgnosing and reporting the bug) - Use tty->flags bits for the flush status. - Wait for the flag to clear again before returning - Fix the doc error noted - Fix flush of empty queue leaving stale flushpending [akpm@linux-foundation.org: cleanup] Signed-off-by: Alan Cox <alan@redhat.com> Acked-by: Paul Fulghum <paulkf@microgate.com> Cc: Laurent Pinchart <laurentp@cse-semaphore.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11docs: note about select in kconfig-language.txtJarek Poplawski
A warning note from Sam Ravnborg about kconfig's select evilness, dependencies and the future (slightly corrected). Signed-off-by: Jarek Poplawski <jarkao2@o2.pl> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11Documentation: sysrq, description of 'h' slightly inaccurateJesper Juhl
In Documentation/sysrq.txt, the description of 'h' says that any key not listed *above* will generate help. That's obviously not true since all the keys listed below 'h' will do what they are described to do, not display help. So change the text so that it says that any key not listed in the table will generate help, which is what really happens. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11update checkpatch.pl to version 0.09Andy Whitcroft
This version brings a number of new checks, and a number of bug fixes. Of note: - checks for spacing on round and square bracket combinations - loosening of the single statement brace checks, to allow them when they contain comments or where other blocks in a compound statement have them. - parks the multple declaration support - allows architecture defines in architecture specific headers Andy Whitcroft (21): Version: 0.09 loosen single statement brace checks fix up multiple declaration to avoid function arguments add some function space parenthesis check exceptions handle EXPORT_'s with parentheses in their names clean up some warnings in multi-line macro bracketing support park the multiple declaration checks make block brace checks count comments as a statement __volatile__ and __extension__ are not functions allow architecture specific defined within architecture includes check spacing on square brackets check spacing on parentheses ensure we apply checks to the part before start comment check #ifdef conditional spacing handle __init_refok and __must_check add noinline to inline checks prevent email addresses from tripping spacing checks handle typed initialiser spacing handle line contination as end of line add bool to the type matcher refine EXPORT_SYMBOL checks to handle pointers Signed-off-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11spi_mpc83xx: fix prescale modulus calculationAnton Vorontsov
Long ago I've noticed (but didn't pay much attention) that spi_mpc83xx using PM calculations that differs from what specs describe. I.e. u8 pm = mpc83xx_spi->spibrg / (spi->max_speed_hz * 4); While specs says: "The SPI baud rate generator clock source (either system clock or system clock divided by 16, depending on DIV16 bit) is divided by 4 * ([PM] + 1), a range from 4 to 64.". Thus " - 1" is missing in the spi_mpc83xx's formula. Why nobody noticed that bug? Probably because sysclk usually less then user expects, e.g. you expect 200 MHz, but real clock is 198 MHz, and integer rounding helps when this formula is used. Suppose it's SPI in QE, SYSCLK at 198 MHz, thus SPIBRG at 99MHz, 25 MHz requested. PM = (99MHz / ( 25 MHz * 4 )), PM == 0, output SPICLK will be 24.75 MHz At lower frequencies this bug is more noticeable, though. And this bug shows itself in all its beauty if SYSCLK is equal or a bit more than you expect (200 MHz SYSCLK, 100 MHz SPIBRG): PM = (100MHz / ( 25 MHz * 4 )), PM == 1, output SPICLK will be 12.625 MHz! Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11spi_mpc83xx: in "QE mode", use sysclk/2Anton Vorontsov
For MPC8349E input to the SPI Baud Rate Generator is SYSCLK, but it's SYSCLK/2 for MPC8323E (SPI in QE). Fix this, and remove confusion by renaming the mpc83xx_spi->sysclk member as mpc83xx_spi->spibrg. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11kernel-parameters.txt : watchdog.txt should be wdt.txtGabriel C
Documentation/watchdog/watchdog.txt does not exist, it is Documentation/watchdog/wdt.txt Signed-off-by: Gabriel Craciunescu <nix.or.die@googlemail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11Memory hotplug documentYasunori Goto
This is add a document for memory hotplug to describe "How to use" and "Current status". Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11drivers/char/pcmcia/cm40x0_cs.c: fix release function callDaniel Ritz
cm4000_cs.c and cm4040_cs.c call the internal release function with an argument of wrong type. this fixes bug #8485 Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch> Cc: Bill McConnaughey <mcconnau@biochem.wustl.edu> Cc: Natalie Protasevich <protasnb@gmail.com> Cc: Harald Welte <laforge@gnumonks.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11Hibernation: do not try to mark invalid PFNs as nosaveRafael J. Wysocki
On some systems some PFNs reported by the early initialization code as 'nosave' may be invalid. If we try to set the corresponding bits in the hibernation bitmap, BUG_ON() in memory_bm_find_bit() will be triggered and the system won't be able to boot (cf. https://bugzilla.novell.com/show_bug.cgi?id=296242). Prevent this from happening by verifying if the 'nosave' PFNs are valid in mark_nosave_pages(). Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11eCryptfs: fix error handling in ecryptfs_initRyusuke Konishi
ecryptfs_init() exits without doing any cleanup jobs if ecryptfs_init_messaging() fails. In that case, eCryptfs leaves sysfs entries, leaks memory, and causes an invalid page fault. This patch fixes the problem. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Acked-by: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11linux-audit list is subscribers-onlyGabriel C
Signed-off-by: Gabriel Craciunescu <nix.or.die@googlemail.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11Remove unused struct proc_dir_entry::setAlexey Dobriyan
After /proc/sys rewrite it was left unused. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11Fix missing numa_zonelist_order sysctlLee Schermerhorn
Misplaced #endif is hiding the numa_zonelist_order sysctl when !SECURITY. Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11eCryptfs: fix lookup error for special filesRyusuke Konishi
When ecryptfs_lookup() is called against special files, eCryptfs generates the following errors because it tries to treat them like regular eCryptfs files. Error opening lower file for lower_dentry [0xffff810233a6f150], lower_mnt [0xffff810235bb4c80], and flags [0x8000] Error opening lower_file to read header region Error attempting to read the [user.ecryptfs] xattr from the lower file; return value = [-95] Valid metadata not found in header region or xattr region; treating file as unencrypted For instance, the problem can be reproduced by the steps below. # mkdir /root/crypt /mnt/crypt # mount -t ecryptfs /root/crypt /mnt/crypt # mknod /mnt/crypt/c0 c 0 0 # umount /mnt/crypt # mount -t ecryptfs /root/crypt /mnt/crypt # ls -l /mnt/crypt This patch fixes it by adding a check similar to directories and symlinks. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Acked-by: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11FRV: connect up fallocateDavid Howells
Connect up the fallocate() system call. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11matroxfb: rectify jitter (G450/G550)Paul A. Clarke
This builds upon my previous attempts to resolve some jitter problems seen with the Matrox G450 and G550 -based cards, including odd disparities observed between x86 and Power -based machines in a somewhat less hackish way (removing the hacked ifdefs). Apparently, preference should be given to use the DVI PLL when frequencies permit, the Standard PLL otherwise. The max pixel clock for the panellink interface is extracted from the PInS information on the card and used as a limit to determine which PLL to use. Signed-off-by: Paul A. Clarke <pc@us.ibm.com> Acked-by: Petr Vandrovec <petr@vandrovec.name> Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11pvr2fb: update Documentation/fb/pvr2fb.txtAdrian McMenamin
The current version is very old and does not correctly specify how to set the video mode. Signed-off by: Adrian McMenamin <adrian@mcmen.demon.co.uk> Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11pvr2fb: Consolidated cleanup of pvr2fb.cAdrian McMenamin
- better handling of the pvr2 registers based on more up to date information. Testing shows that it seems to work pretty well at 16bpp, 24bpp and 32bpp - including proper rendering of the boot logo at all levels (previously this was a bit broken even at 16bpp) and giving white against black text. Really detailed testing (eg with X11) requires support for the maple bus - which isn't (currently - next project assuming this is okay) available, but I have no reason to think this is broken. Signed-off by: Adrian McMenamin <adrian@mcmen.demon.co.uk> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11pvr2fb: Fix oops when pseudo_palette is writtenAntonino A. Daplas
Reported by: Adrian McMenamin <adrianmcmenamin@gmail.com> This driver will oops when the pseudo_palette[] is written as u32 but not when written as u16. When written as u32, it corrupts the adjacent 'mmio_base' field of struct pvr2fb_par. Fix by using framebuffer_alloc()/release() to allocate struct fb_info and struct pvr2fb_par, and create the pseudo_palette[] as part of struct pvr2fb_par. Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11fbcon: Kill compile warningAntonino A. Daplas
Fix compile warning ('map_override unused') if fbcon is compiled as a module and CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=n. [akpm@linux-foundation.org: cleanup] Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11stifb: detect cards in double buffer mode more reliablyHelge Deller
Visualize-EG, Graffiti and A4450A graphics cards on PARISC can be configured in double-buffer and standard mode, but the stifb driver supports standard mode only. This patch detects double-buffered cards more reliable. It is a real bugfix for a very nasty problem for all parisc users which have wrongly configured their graphic card. The problem: The stifb graphics driver will not detect that the card is wrongly configured and then nevertheless just enables the graphics mode, which it shouldn't. In the end, the user will see no further updates / boot messages on the screen. We had documented this problem already on our FAQ (http://parisc-linux.org/faq/index.html#viseg "Why do I get corrupted graphics with my Vis-EG/Graffiti/A4450A card?") but people still run into this problem. So having this fix in as early as possible can help us. Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Antonino Daplas <adaplas@gmail.com> Cc: <stable@kernel.org> Cc: Kyle McMartin <kyle@mcmartin.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11direct-io: fix error-path crashesBadari Pulavarty
Need to initialize map_bh.b_state to zero. Otherwise, in case of a faulty user-buffer its possible to go into dio_zero_block() and submit a page by mistake - since it checks for buffer_new(). http://marc.info/?l=linux-kernel&m=118551339032528&w=2 akpm: Linus had a (better) patch to just do a kzalloc() in there, but it got lost. Probably this version is better for -stable anwyay. Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Acked-by: Joe Jin <joe.jin@oracle.com> Acked-by: Zach Brown <zach.brown@oracle.com> Cc: gurudas pai <gurudas.pai@oracle.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11x86_64: fix HPET init raceRobin Holt
I have had four seperate system lockups attributable to this exact problem in two days of testing. Instead of trying to handle all the weird end cases and wrap, how about changing it to look for exactly what we appear to want. The following patch removes a couple races in setup_APIC_timer. One occurs when the HPET advances the COUNTER past the T0_CMP value between the time the T0_CMP was originally read and when COUNTER is read. This results in a delay waiting for the counter to wrap. The other results from the counter wrapping. This change takes a snapshot of T0_CMP at the beginning of the loop and simply loops until T0_CMP has changed (a tick has happened). <later> I have one small concern about the patch. I am not sure it meets the intent as well as it should. I think we are trying to match APIC timer interrupts up with the hpet counter increment. The event which appears to be disturbing this loop in our test environment is the NMI watchdog. What we believe has been happening with the existing code is the setup_APIC_timer loop has read the CMP value, and the NMI watchdog code fires for the first time. This results in a series of icache miss slowdowns and by the time we get back to things it has wrapped. I think this code is trying to get the CMP as close to the counter value as possible. If that is the intent, maybe we should really be testing against a "window" around the CMP. Something like COUNTER = CMP+/2. It appears COUNTER should get advanced every 89nSec (IIRC). The above seems like an unreasonably small window, but may be necessary. Without documentation, I am not sure of the original intent with this code. In summary, this code fixes my boot hangs, but since I am not certain of the intent of the existing code, I am not certain this has not introduced new bugs or unexpected behaviors. Signed-off-by: Robin Holt <holt@sgi.com> Acked-by: Andi Kleen <ak@suse.de> Cc: Vojtech Pavlik <vojtech@suse.cz> Cc: "Aaron Durbin" <adurbin@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-11Blackfin arch: after removing fs.h from mm.h, fix the broken on Blackfin archBryan Wu
Cc: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-09SLUB: Fix format specifier in Documentation/vm/slabinfo.cJesper Juhl
There's a little problem in Documentation/vm/slabinfo.c The code is using "%d" in a printf() call to print an 'unsigned long'. This patch corrects it to use "%lu" instead. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Christoph Lameter <clameter@sgi.com>
2007-08-09SLUB: Fix dynamic dma kmalloc cache creationChristoph Lameter
The dynamic dma kmalloc creation can run into trouble if a GFP_ATOMIC allocation is the first one performed for a certain size of dma kmalloc slab. - Move the adding of the slab to sysfs into a workqueue (sysfs does GFP_KERNEL allocations) - Do not call kmem_cache_destroy() (uses slub_lock) - Only acquire the slub_lock once and--if we cannot wait--do a trylock. This introduces a slight risk of the first kmalloc(x, GFP_DMA|GFP_ATOMIC) for a range of sizes failing due to another process holding the slub_lock. However, we only need to acquire the spinlock once in order to establish each power of two DMA kmalloc cache. The possible conflict is with the slub_lock taken during slab management actions (create / remove slab cache). It is rather typical that a driver will first fill its buffers using GFP_KERNEL allocations which will wait until the slub_lock can be acquired. Drivers will also create its slab caches first outside of an atomic context before starting to use atomic kmalloc from an interrupt context. If there are any failures then they will occur early after boot or when loading of multiple drivers concurrently. Drivers can already accomodate failures of GFP_ATOMIC for other reasons. Retries will then create the slab. Signed-off-by: Christoph Lameter <clameter@sgi.com>
2007-08-09SLUB: Remove checks for MAX_PARTIAL from kmem_cache_shrinkChristoph Lameter
The MAX_PARTIAL checks were supposed to be an optimization. However, slab shrinking is a manually triggered process either through running slabinfo or by the kernel calling kmem_cache_shrink. If one really wants to shrink a slab then all operations should be done regardless of the size of the partial list. This also fixes an issue that could surface if the number of partial slabs was initially above MAX_PARTIAL in kmem_cache_shrink and later drops below MAX_PARTIAL through the elimination of empty slabs on the partial list (rare). In that case a few slabs may be left off the partial list (and only be put back when they are empty). Signed-off-by: Christoph Lameter <clameter@sgi.com>
2007-08-09remove dubious legal statment from uio-howtoAlan Cox
UIO currently contains a rather dubious statement which wants removing. The actual questions around whether user space code that depends tightly on kernel GPL code designed to co-work with it are derivative works of the kernel is extremely complex, and since we don't have space for either a masters length essay on legal issues or need to start flamewars lets simply remove the comment and leave law to lawyers Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <tovalds@linux-foundation.org>
2007-08-09Fix Alpha O_CLOEXEC definitionRichard Henderson
The default definition in asm-generic conflicts with Alpha's O_DIRECT, so, like several other arches, it needs to be redefined. Signed-off-by: Richard Hendersion <rth@twiddle.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-09Merge git://git.linux-nfs.org/pub/linux/nfs-2.6Linus Torvalds
* git://git.linux-nfs.org/pub/linux/nfs-2.6: SUNRPC: Replace flush_workqueue() with cancel_work_sync() and friends NFS: Replace flush_scheduled_work with cancel_work_sync() and friends SUNRPC: Don't call gss_delete_sec_context() from an rcu context NFSv4: Don't call put_rpccred() from an rcu callback NFS: Fix NFSv4 open stateid regressions NFSv4: Fix a locking regression in nfs4_set_mode_locked() NFS: Fix put_nfs_open_context SUNRPC: Fix a race in rpciod_down()
2007-08-09hexdump: use const notationArtem Bityutskiy
Trivial fix: mark the buffer to hexdump as const so callers could avoid casting their const buffers when calling print_hex_dump(). The patch is really trivial and I suggest to consider it as a fix (it fixes GCC warnings) and push it to current tree. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-09Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [TCP]: H-TCP maxRTT estimation at startup [NETFILTER]: nf_nat: add symbolic dependency on IPv4 conntrack [NETFILTER]: ctnetlink: return EEXIST instead of EINVAL for existing nat'ed conntracks [NETFILTER]: ipt_recent: avoid a possible NULL pointer deref in recent_seq_open() [NET] net/core/utils: fix sparse warning [NetLabel]: add missing rcu_dereference() calls in the LSM domain mapping hash table [PATCH] mac80211: don't allow scanning in monitor mode [PATCH] mac80211: Fix sparse error for sta_last_seq_ctrl_read [PATCH] mac80211: use do { } while (0) for multi-line macros [PATCH] mac80211: missing dev_put in ieee80211_master_start_xmit
2007-08-09Merge 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]: Fix memory leak when cpu hotplugging. [SPARC64]: Do not assume sun4v chips have load-twin/store-init support. [SPARC64]: Fix hard-coding of cpu type output in /proc/cpuinfo on sun4v. [SPARC]: Centralize find_in_proplist() instead of duplicating N times.
2007-08-09Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: mmc: at91_mci: remove whitespace at the end of lines mmc: reorganize bounce buffer init wbsd: fix section mismatch warnings
2007-08-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: (61 commits) sched: refine negative nice level granularity sched: fix update_stats_enqueue() reniced codepath sched: round a bit better sched: make the multiplication table more accurate sched: optimize update_rq_clock() calls in the load-balancer sched: optimize activate_task() sched: clean up set_curr_task_fair() sched: remove __update_rq_clock() call from entity_tick() sched: move the __update_rq_clock() call to scheduler_tick() sched debug: remove the 'u64 now' parameter from print_task()/_rq() sched: remove the 'u64 now' local variables sched: remove the 'u64 now' parameter from deactivate_task() sched: remove the 'u64 now' parameter from dequeue_task() sched: remove the 'u64 now' parameter from enqueue_task() sched: remove the 'u64 now' parameter from dec_nr_running() sched: remove the 'u64 now' parameter from inc_nr_running() sched: remove the 'u64 now' parameter from dec_load() sched: remove the 'u64 now' parameter from inc_load() sched: remove the 'u64 now' parameter from update_curr_load() sched: remove the 'u64 now' parameter from ->task_new() ...
2007-08-09lguest: avoid shared libraries mapped over guest memoryRonald G. Minnich
Some versions of ld.so mmap the shared libraries right in over guest memory, so compile lguest statically by default. [ FC7 maps shared libraries very low, where the launcher maps guest's physical memory. Quick fix is to link Launcher static, real fix is for 2.6.24. ] -static is a simple fix. I expect this problem will be more common than we like, as different distro's make different "improvements" to ld.so Signed-off-by: Ronald G. Minnich <rminnich@gmail.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-09lguest: Fix Malicious Guest GDT Host CrashRusty Russell
If a Guest makes hypercall which sets a GDT entry to not present, we currently set any segment registers using that GDT entry to 0. Unfortunately, this is not sufficient: there are other ways of altering GDT entries which will cause a fault. The correct solution to do what Linux does: let them set any GDT value they want and handle the #GP when popping causes a fault. This has the added benefit of making our Switcher slightly more robust in the case of any other bugs which cause it to fault. We kill the Guest if it causes a fault in the Switcher: it's the Guest's responsibility to make sure it's not using segments when it changes them. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-09Fix non-TSC guest clocksource lockupRusty Russell
lguest uses a host-supplied wallclock-based clocksource when the TSC is not reliable. As this is already in nanoseconds, I naively used a multiplier of 1 and a shift of 0. But update_wall_time() in its infinite wisdom decides to adjust the clock a little (where does it think it's getting a more accurate time from?) It will happily tweak the multiplier... to 0, then -1. So the "fix" is to use a shift of 22 like everyone else, and a multiplier of 1 << 22. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-09Revert "genirq: temporary fix for level-triggered IRQ resend"Linus Torvalds
This reverts commit 0fc4969b866671dfe39b1a9119d0fdc7ea0f63e5. It was always meant to be temporary, but it's generating more useless noise than anything else, and we probably should never have done it in the generic kernel (only had the people involved test it on their own). Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-09mmc: at91_mci: remove whitespace at the end of linesNicolas Ferre
Some cleanup with whitespace/tab at the end of lines. Signed-off-by: Nicolas Ferre <nicolas.ferre@rfo.atmel.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-08-09mmc: reorganize bounce buffer initPierre Ossman
Reorganize the code that initializes mmc_block's bounce buffer in order to avoid warnings when MMC_BLOCK_BOUNCE isn't used. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-08-09wbsd: fix section mismatch warningsGabriel C
This patch fixes the following section mismatch warnings ... WARNING: vmlinux.o(.init.text+0x29d40): Section mismatch: reference to .exit.text:wbsd_release_resources (between 'wbsd_init' and 'wbsd_probe') WARNING: vmlinux.o(.init.text+0x29d49): Section mismatch: reference to .exit.text:wbsd_free_mmc (between 'wbsd_init' and 'wbsd_probe') WARNING: vmlinux.o(.init.text+0x29f28): Section mismatch: reference to .exit.text:wbsd_free_mmc (between 'wbsd_init' and 'wbsd_probe') ... Signed-off-by: Gabriel Craciunescu <nix.or.die@googlemail.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
2007-08-09sched: refine negative nice level granularityIngo Molnar
refine the granularity of negative nice level tasks: let them reschedule more often to offset the effect of them consuming their wait_runtime proportionately slower. (This makes nice-0 task scheduling smoother in the presence of negatively reniced tasks.) Signed-off-by: Ingo Molnar <mingo@elte.hu>
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