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2007-07-19Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: ocfs2: ->fallocate() support
2007-07-19Merge 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: [PATCH] sched: implement cpu_clock(cpu) high-speed time source [PATCH] sched: fix the all pinned logic in load_balance_newidle() [PATCH] sched: fix newly idle load balance in case of SMT [PATCH] sched: sched_cacheflush is now unused
2007-07-19user namespace: fix copy_user_ns return valueSerge E. Hallyn
When a CONFIG_USER_NS=n and a user tries to unshare some namespace other than the user namespace, the dummy copy_user_ns returns NULL rather than the old_ns. This value then gets assigned to task->nsproxy->user_ns, so that a subsequent setuid, which uses task->nsproxy->user_ns, causes a NULL pointer deref. Fix this by returning old_ns. Signed-off-by: Serge E. Hallyn <serue@us.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19slub: fix ksize() for zero-sized pointersLinus Torvalds
The slab and slob allocators already did this right, but slub would call "get_object_page()" on the magic ZERO_SIZE_PTR, with all kinds of nasty end results. Noted by Ingo Molnar. Cc: Ingo Molnar <mingo@elte.hu> Cc: Christoph Lameter <clameter@sgi.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19Fix up non-NUMA SLAB configuration for zero-sized allocationsLinus Torvalds
I suspect Christoph tested his code only in the NUMA configuration, for the combination of SLAB+non-NUMA the zero-sized kmalloc's would not work. Of course, this would only trigger in configurations where those zero- sized allocations happen (not very common), so that may explain why it wasn't more widely noticed. Seen by by Andi Kleen under qemu, and there seems to be a report by Michael Tsirkin on it too. Cc: Andi Kleen <ak@suse.de> Cc: Roland Dreier <rdreier@cisco.com> Cc: Michael S. Tsirkin <mst@dev.mellanox.co.il> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Christoph Lameter <clameter@sgi.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19[PATCH] sched: implement cpu_clock(cpu) high-speed time sourceIngo Molnar
Implement the cpu_clock(cpu) interface for kernel-internal use: high-speed (but slightly incorrect) per-cpu clock constructed from sched_clock(). This API, unused at the moment, will be used in the future by blktrace, by the softlockup-watchdog, by printk and by lockstat. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-07-19[PATCH] sched: fix the all pinned logic in load_balance_newidle()Suresh Siddha
nr_moved is not the correct check for triggering all pinned logic. Fix the all pinned logic in the case of load_balance_newidle(). Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-07-19[PATCH] sched: fix newly idle load balance in case of SMTSuresh Siddha
In the presence of SMT, newly idle balance was never happening for multi-core and SMP domains (even when both the logical siblings are idle). If thread 0 is already idle and when thread 1 is about to go to idle, newly idle load balance always think that one of the threads is not idle and skips doing the newly idle load balance for multi-core and SMP domains. This is because of the idle_cpu() macro, which checks if the current process on a cpu is an idle process. But this is not the case for the thread doing the load_balance_newidle(). Fix this by using runqueue's nr_running field instead of idle_cpu(). And also skip the logic of 'only one idle cpu in the group will be doing load balancing' during newly idle case. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-07-19[PATCH] sched: sched_cacheflush is now unusedRalf Baechle
Since Ingo's recent scheduler rewrite which was merged as commit 0437e109e1841607f2988891eaa36c531c6aa6ac sched_cacheflush is unused. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-07-19NFSv4: handle lack of clientaddr in option stringJeff Layton
If a NFSv4 mount is attempted with string based options, and the option string doesn't contain a clientaddr= option, the kernel will currently oops. Check for this situation and return a proper error. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19NFSv4: debug print ntohl(status) in nfs client callback xdr codeBenny Halevy
status in nfs client callback xdr code is passed in network order. print it in host order for better readability. Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19SUNRPC: Clean up the sillyrename codeTrond Myklebust
Fix a couple of bugs: - Don't rely on the parent dentry still being valid when the call completes. Fixes a race with shrink_dcache_for_umount_subtree() - Don't remove the file if the filehandle has been labelled as stale. Fix a couple of inefficiencies - Remove the global list of sillyrenamed files. Instead we can cache the sillyrename information in the dentry->d_fsdata - Move common code from unlink_setup/unlink_done into fs/nfs/unlink.c Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19NFS: Introduce struct nfs_removeargs+nfs_removeresTrond Myklebust
We need a common structure for setting up an unlink() rpc call in order to fix the asynchronous unlink code. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19NFS: Use dentry->d_time to store the parent directory verifier.Trond Myklebust
This will free up the d_fsdata field for other use. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19SUNRPC: move bkl locking and xdr proc invocation into a common helperJ. Bruce Fields
Since every invocation of xdr encode or decode functions takes the BKL now, there's a lot of redundant lock_kernel/unlock_kernel pairs that we can pull out into a common function. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19NFSv4: Fix the nfsv4 readlink reply buffer alignmentTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19NFSv4: Fix the readdir reply buffer alignmentTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19NFSv4: More NFSv4 xdr cleanupsTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19NFSv4: Try to recover from getfh failures in nfs4_xdr_dec_openTrond Myklebust
Try harder to recover the open state if the server failed to return a filehandle. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19NFSv4: 'constify' lookup arguments.Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19NFSv4: Don't fail nfs4_xdr_dec_open if decode_restorefh() failedTrond Myklebust
We can already easily recover from that inside _nfs4_proc_open(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19NFSv4: Fix open state recoveryTrond Myklebust
Ensure that opendata->state is always initialised when we do state recovery. Ensure that we set the filehandle in the case where we're doing an "OPEN_CLAIM_PREVIOUS" call due to a server reboot. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19NFSD/SUNRPC: Fix the automatic selection of RPCSEC_GSSTrond Myklebust
Bruce's patch broke the ability to compile RPCSEC_GSS as a module. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-19i2c: Delete the i2c-isa pseudo bus driverJean Delvare
There are no users of i2c-isa left, so we can finally get rid of it. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-07-19hwmon: refuse to load abituguru driver on non-Abit boardsHans de Goede
With this patch the abituguru refuses to load on non Abit motherboards, as discussed in lkml CONFIG_BREAK_MY_MACHINE thread. Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon: fix Abit Uguru3 driver detection on some motherboardsHans de Goede
This patch changes the driver to also detect uguru3's which hold 0x08 at DATA initially, as has been reported here: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=220160 Also when an uguru3's holds 0x0014 in the ID register it will now report "Abit AB9 Pro" as motherboard identification. Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon/w83627ehf: Be quiet when no chip is foundJean Delvare
This fixes bug #8593: http://bugzilla.kernel.org/show_bug.cgi?id=8593 Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon/w83627ehf: No need to initialize fan_minJean Delvare
We don't need to initialize fan_min in this driver, as the fan_div attributes are read-only. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon/w83627ehf: Export the thermal sensor typesJean Delvare
Add support for the w83627ehf thermal sensor types. I made them read-only, as the BIOS is supposed to set them up properly. This information makes it easier to find out which temperature channel corresponds to the CPU. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon/w83627ehf: Enable VBAT monitoringJean Delvare
If VBAT monitoring is disabled, enable it. Original patch from an anonymous contributor on the lm-sensors trac system: http://lm-sensors.org/ticket/2218 Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon/w83627ehf: Add support for the VID inputsJean Delvare
The W83627EHF and similar chips have 6 VID input pins, add support for them. The driver changes the input voltage level automatically if the current setting is not correct for the detected CPU model. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon/w83627ehf: Fix timing issuesJean Delvare
* I have experimental evidence that the W83627EHG needs more than 1 second to refresh all the measured values. Increase the caching time to 1.5 second. * When changing a fan clock divider, the corresponding fan speed measurement register is no longer valid, until the next time the chip will refresh it. One way to fix this is to pretend that the cache is still valid for one more period (1.5 second.) Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon/w83627ehf: Add error messages for two error casesDavid Hubbard
If the Super-I/O device is disabled, it is likely the BIOS has a good reason for leaving it disabled, so give a warning when enabling it -- it's not likely to be wired correctly or be able to give good data. Also, if the Super-I/O device is configured with an address of 0, the driver refuses to initialize it. Signed-off-by: David Hubbard <david.c.hubbard@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon/w83627ehf: Convert to a platform driverDavid Hubbard
Remove i2c-isa from the w83627ehf driver, and use a platform driver instead. Signed-off-by: David Hubbard <david.c.hubbard@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon/w83627ehf: Update the Kconfig entryDavid Hubbard
Add description for the W83627DHG chip to Kconfig. Signed-off-by: David Hubbard <david.c.hubbard@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19make coretemp_device_remove() staticAdrian Bunk
coretemp_device_remove() can become static. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon: Add LM93 supportHans-Jürgen Koch
This patch adds support for the LM93 hardware monitoring chip. Signed-off-by: Hans J. Koch <hjk@linutronix.de> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon: Improve the pwmN_enable documentationJean Delvare
The documentation of the pwmN_enable interface file is not very clear, and has been confusing several driver authors already. Make it clearer. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon/smsc47b397: Don't report missing fans as spinning at 82 RPMJean Delvare
Also protects ourselves against a possible division by zero. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon: Add support for newer uGuru'sHans de Goede
This patch adds a new driver for the hardware monitoring features of the third revision of the Abit uGuru chip, found on recent Abit motherboards. This is an entirely different beast then the first and second revision (its again a winbond microcontroller, but the "protocol" to talk to it and the bank addresses are very different. Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon/f71805f: Add temperature-tracking fan control modePhil Endecott
Add support for the "temperature mode" fan speed control. In this mode, the user can define 3 temperature/speed trip points, and the chip will set the speed automatically according to the temperature changes. Signed-off-by: Phil Endecott <kernel@chezphil.org> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon/w83627ehf: Preserve speed reading when changing fan minJean Delvare
The w83627ehf driver changes the fan clock divider automatically when a new min fan speed is set. It is supposed to preserve the fan speed reading while doing so, bug doesn't really. Fix it. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon: fix detection of abituguru volt inputsHans de Goede
This patch fixes the detection of volt inputs with a reading of more then 240 units. Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon: add SCH5317 to smsc47b397 driverJuerg Haefliger
This patch adds the SMSC SCH5317 chip (device ID 0x85) as a supported device to the smsc47b397 driver. Signed-off-by: Juerg Haefliger <juergh at gmail.com> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon: convert it87 to platform drivercorentin.labbe
This is the patch for converting it87 to a platform driver (and remove i2c-isa). Signed-off-by: Corentin LABBE <corentin.labbe@geomatys.fr> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon: Fix a potential race condition on unloadJean Delvare
Fix a potential race condition when some hardware monitoring platform drivers are being unloaded. I believe that the driver data pointer shouldn't be cleared before all the sysfs files are removed, otherwise a sysfs callback might attempt to dereference a NULL pointer. I'm not sure exactly what the driver core protects drivers against, so let's play it safe. While we're here, clear the driver data pointer when probe fails, so as to not leave an invalid pointer behind us. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon: Convert vt8231 to a platform driverRoger Lucas
Convert the vt8231 driver from the nonsensical i2c-isa hack to a regular platform driver. Signed-off-by: Roger Lucas <roger@planbit.co.uk> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2007-07-19hwmon/sis5595: Use PCI_REVISION_IDJean Delvare
Use PCI_REVISION_ID instead of our own define. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-07-19hwmon/sis5595: Use dynamic sysfs callbacksJean Delvare
This lets us get rid of macro-generated functions and shrinks the driver size by about 7%. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-07-19hwmon/sis5595: Convert to a platform driverJean Delvare
Convert the sis5595 driver from the nonsensical i2c-isa hack to a regular platform driver. Signed-off-by: Jean Delvare <khali@linux-fr.org>