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2008-07-03Merge branch 'for-2.6.26' of git://git.secretlab.ca/git/linux-2.6-mpc52xx ↵Paul Mackerras
into merge
2008-07-02bf561-coreb: BKL unneeded for open()Jonathan Corbet
According to Mike Frysinger: http://permalink.gmane.org/gmane.linux.kernel/699279 open() does not need the BKL, so take it back out.
2008-07-02Call fasync() functions without the BKLJonathan Corbet
lock_kernel() calls have been pushed down into code which needs it, so there is no need to take the BKL at this level anymore. This work inspired and aided by Andi Kleen's unlocked_fasync() patches. Acked-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-07-02snd/PCM: fasync BKL pushdownJonathan Corbet
Chances are this is unneeded, but the code is twisty enough that it is hard to tell. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-07-02ipmi: fasync BKL pushdownJonathan Corbet
This driver really needs it to avoid races against open() Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-07-02ecryptfs: fasync BKL pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-07-02Bluetooth VHCI: fasync BKL pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-07-02tty_io: fasync BKL pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-07-02tun: fasync BKL pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-07-02i2o: fasync BKL pushdownJonathan Corbet
This driver appears to really need the BKL to protect open_files. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-07-02mpt: fasync BKL pushdownJonathan Corbet
It looks like this driver really needs the BKL here. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-07-02Remove BKL from remote_llseek v2Andi Kleen
- Replace remote_llseek with generic_file_llseek_unlocked (to force compilation failures in all users) - Change all users to either use generic_file_llseek_unlocked directly or take the BKL around. I changed the file systems who don't use the BKL for anything (CIFS, GFS) to call it directly. NCPFS and SMBFS and NFS take the BKL, but explicitely in their own source now. I moved them all over in a single patch to avoid unbisectable sections. Open problem: 32bit kernels can corrupt fpos because its modification is not atomic, but they can do that anyways because there's other paths who modify it without BKL. Do we need a special lock for the pos/f_version = 0 checks? Trond says the NFS BKL is likely not needed, but keep it for now until his full audit. v2: Use generic_file_llseek_unlocked instead of remote_llseek_unlocked and factor duplicated code (suggested by hch) Cc: Trond.Myklebust@netapp.com Cc: swhiteho@redhat.com Cc: sfrench@samba.org Cc: vandrove@vc.cvut.cz Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-07-02Make FAT users happier by not deadlockingJonathan Corbet
The FAT BKL removal patch can cause deadlocks. It turns out that the new lock_super() calls are unneeded, remove them (as directed by Linus). Reported-by: "Tony Luck" <tony.luck@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-07-02x86-mce: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02vmwatchdog: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02vmcp: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02via-pmu: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02uml-random: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02uml-mmapper: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02uml-harddog: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02uinput: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02uctrl: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02tpm-tpm: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02sparc64-rtc: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02sparc-apc: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02sonypi: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02sony-laptop: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02serio: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02scsi-tgt: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02sbus-rtc: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02rtc-rtc-m41t80: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02rtc: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02riowatchdog: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02pm_qos_params: BKL pushdownArnd Bergmann
[jmc: added <linux/smp_lock.h>] Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-07-02parisc-kernel-perf: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02parisc-eisa_eeprom: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02openprom: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02ocfs2-stack_user: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02nvram: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02net-tun: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02mwave-mwavedd: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02mvme16x-rtc: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02mousedev: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02monwriter: BKL pushdownArnd Bergmann
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2008-07-02monreader: BKL pushdownArnd Bergmann
[jmc: added <linux/smp_lock.h>] Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-07-02libertas: support USB persistence on suspend/resume (resend)andrey@cozybit.com
Handle .reset_resume() so that libertas can survive suspend/resume without reloading the firmware. Signed-off-by: Andrey Yurovsky <andrey@cozybit.com> Acked-by: Deepak Saxena <dsaxena@laptop.org> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-02iwlwifi: drop skb silently for Tx request in monitor modeZhu Yi
This patch fixes the problem to keep mac80211 resubmitting SKBs when Tx request cannot be met in monitor mode. Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-02iwlwifi: fix incorrect 5GHz rates reported in monitor modeRick Farrington
This patch fixes the rates reported in monitor mode operation (Wireshark) for iwlwifi. Previously, packets with rates of 6M..24M would be reported incorrectly and packets with rates of 36M..54M would not passed up the stack. Signed-off-by: Rick Farrington <rickdic@hotmail.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-07-02PCI: acpiphp: cleanup notify handler on all root bridgesAlex Chiang
During the development of the physical PCI slot patch series, Gary Hade kept on reporting strange oopses due to interactions between pci_slot and acpiphp. http://lkml.org/lkml/2007/11/28/319 find_root_bridges() unconditionally installs handle_hotplug_event_bridge() as an ACPI_SYSTEM_NOTIFY handler for all root bridges. However, during module cleanup, remove_bridge() will only remove the notify handler iff the root bridge had a hot-pluggable slot directly underneath. That is: root bridge -> hotplug slot But, if the topology looks like either of the following: root bridge -> non-hotplug slot root bridge -> p2p bridge -> hotplug slot Then we currently do not remove the notify handler from that root bridge. This can cause a kernel oops if we modprobe acpiphp later and it gets loaded somewhere else in memory. If the root bridge then receives a hotplug event, it will then attempt to call a stale, non-existent notify handler and we blow up. Much thanks goes to Gary Hade for his persistent debugging efforts. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Gary Hade <garyhade@us.ibm.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-07-02PCI: Limit VPD read/write lengths for Broadcom 5706, 5708, 5709 rev.Benjamin Li
For Broadcom 5706, 5708, 5709 rev. A nics, any read beyond the VPD end tag will hang the device. This problem was initially observed when a vpd entry was created in sysfs ('/sys/bus/pci/devices/<id>/vpd'). A read to this sysfs entry will dump 32k of data. Reading a full 32k will cause an access beyond the VPD end tag causing the device to hang. Once the device is hung, the bnx2 driver will not be able to reset the device. We believe that it is legal to read beyond the end tag and therefore the solution is to limit the read/write length. A majority of this patch is from Matthew Wilcox who gave code for reworking the PCI vpd size information. A PCI quirk added for the Broadcom NIC's to limit the read/write's. Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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