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2012-05-09wireless: Convert compare_ether_addr to ether_addr_equalJoe Perches
Use the new bool function ether_addr_equal to add some clarity and reduce the likelihood for misuse of compare_ether_addr for sorting. I removed a conversion from scan.c/cmp_bss_core that appears to be a sorting function. Done via cocci script: $ cat compare_ether_addr.cocci @@ expression a,b; @@ - !compare_ether_addr(a, b) + ether_addr_equal(a, b) @@ expression a,b; @@ - compare_ether_addr(a, b) + !ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) == 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) != 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) == 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) != 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !!ether_addr_equal(a, b) + ether_addr_equal(a, b) Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-09netfilter: Convert compare_ether_addr to ether_addr_equalJoe Perches
Use the new bool function ether_addr_equal to add some clarity and reduce the likelihood for misuse of compare_ether_addr for sorting. Done via cocci script: $ cat compare_ether_addr.cocci @@ expression a,b; @@ - !compare_ether_addr(a, b) + ether_addr_equal(a, b) @@ expression a,b; @@ - compare_ether_addr(a, b) + !ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) == 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) != 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) == 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) != 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !!ether_addr_equal(a, b) + ether_addr_equal(a, b) Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-09mac80211: Convert compare_ether_addr to ether_addr_equal by handJoe Perches
spatch/coccinelle isn't perfect. It doesn't understand __aligned(x) and doesn't convert functions it can't parse. Convert the remaining compare_ether_addr uses. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-09mac80211: Convert compare_ether_addr to ether_addr_equalJoe Perches
Use the new bool function ether_addr_equal to add some clarity and reduce the likelihood for misuse of compare_ether_addr for sorting. Done via cocci script: $ cat compare_ether_addr.cocci @@ expression a,b; @@ - !compare_ether_addr(a, b) + ether_addr_equal(a, b) @@ expression a,b; @@ - compare_ether_addr(a, b) + !ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) == 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) != 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) == 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) != 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !!ether_addr_equal(a, b) + ether_addr_equal(a, b) Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-09bluetooth: Convert compare_ether_addr to ether_addr_equalJoe Perches
Use the new bool function ether_addr_equal to add some clarity and reduce the likelihood for misuse of compare_ether_addr for sorting. Done via cocci script: $ cat compare_ether_addr.cocci @@ expression a,b; @@ - !compare_ether_addr(a, b) + ether_addr_equal(a, b) @@ expression a,b; @@ - compare_ether_addr(a, b) + !ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) == 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) != 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) == 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) != 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !!ether_addr_equal(a, b) + ether_addr_equal(a, b) Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-09atm: Convert compare_ether_addr to ether_addr_equalJoe Perches
Use the new bool function ether_addr_equal to add some clarity and reduce the likelihood for misuse of compare_ether_addr for sorting. Done via cocci script: $ cat compare_ether_addr.cocci @@ expression a,b; @@ - !compare_ether_addr(a, b) + ether_addr_equal(a, b) @@ expression a,b; @@ - compare_ether_addr(a, b) + !ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) == 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) != 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) == 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) != 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !!ether_addr_equal(a, b) + ether_addr_equal(a, b) Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-09bridge: Convert compare_ether_addr to ether_addr_equalJoe Perches
Use the new bool function ether_addr_equal to add some clarity and reduce the likelihood for misuse of compare_ether_addr for sorting. Done via cocci script: $ cat compare_ether_addr.cocci @@ expression a,b; @@ - !compare_ether_addr(a, b) + ether_addr_equal(a, b) @@ expression a,b; @@ - compare_ether_addr(a, b) + !ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) == 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) != 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) == 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) != 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !!ether_addr_equal(a, b) + ether_addr_equal(a, b) Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-09bridge: netfilter: Convert compare_ether_addr to ether_addr_equalJoe Perches
Use the new bool function ether_addr_equal to add some clarity and reduce the likelihood for misuse of compare_ether_addr for sorting. Done via cocci script: $ cat compare_ether_addr.cocci @@ expression a,b; @@ - !compare_ether_addr(a, b) + ether_addr_equal(a, b) @@ expression a,b; @@ - compare_ether_addr(a, b) + !ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) == 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) != 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) == 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) != 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !!ether_addr_equal(a, b) + ether_addr_equal(a, b) Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-098021q: Convert compare_ether_addr to ether_addr_equalJoe Perches
Use the new bool function ether_addr_equal to add some clarity and reduce the likelihood for misuse of compare_ether_addr for sorting. Done via cocci script: $ cat compare_ether_addr.cocci @@ expression a,b; @@ - !compare_ether_addr(a, b) + ether_addr_equal(a, b) @@ expression a,b; @@ - compare_ether_addr(a, b) + !ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) == 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) != 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) == 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) != 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !!ether_addr_equal(a, b) + ether_addr_equal(a, b) Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-09802: Convert compare_ether_addr to ether_addr_equalJoe Perches
Use the new bool function ether_addr_equal to add some clarity and reduce the likelihood for misuse of compare_ether_addr for sorting. Done via cocci script: $ cat compare_ether_addr.cocci @@ expression a,b; @@ - !compare_ether_addr(a, b) + ether_addr_equal(a, b) @@ expression a,b; @@ - compare_ether_addr(a, b) + !ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) == 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) != 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) == 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) != 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !!ether_addr_equal(a, b) + ether_addr_equal(a, b) Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-09etherdevice.h: Add ether_addr_equalJoe Perches
Add a boolean function to check if 2 ethernet addresses are the same. This is to avoid any confusion about compare_ether_addr returning an unsigned, and not being able to use the compare_ether_addr function for sorting ala memcmp. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-10regulator: wm831x: Register all normal regulatorsMark Brown
Register all normal regulators rather than skipping unconfigured ones now that the core can handle regulators without init data. Skip the boost and isink regulators since they are normally controlled by other drivers. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-05-09usb-gadget: Initial merge of target module for UASP + BOTSebastian Andrzej Siewior
This fabric uses the target framework to provide a usb gadget device. This gadget supports the USB Attached SCSI Protocol (UASP) and Bulk Only Transfers (BOT or BBB). BOT is the primary interface, UAS is the alternative interface. It has been tested with dummy_hcd on HS and SS. On SS USB3 are supported. I also took my omap device and tried it there against WindowsXP. UAS implements basic command passing (i.e. read/write requests) and TASK MANAGEMENT functions are missing. I had to add a little of error recovery to BOT because Windows was issuing some strange commands and it does not complain after the gadget responded with CSW.status=1. (nab: Move to drivers/usb/gadget as per Sebastian to address legacy limitations for built-in gadget code) Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Acked-by: Felipe Balbi <balbi@ti.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Christoph Hellwig <hch@lst.de> Cc: Greg KH <gregkh@linuxfoundation.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-05-09target: Remove max_sectors device attribute for modern se_task less codeNicholas Bellinger
This patch removes the original usage of dev_attr->max_sectors in favor of dev_attr->hw_max_sectors that is now being enforced by target core from within transport_generic_cmd_sequencer() for SCF_SCSI_DATA_SG_IO_CDB ops. After the recent se_task removal patches from hch, this value for IBLOCK backends being set via configfs by userspace from an saved max_sectors value that is turning out to be problematic, so it makes sense to go ahead and remove this now legacy attribute all-together. This patch also continues to make se_dev_set_default_attribs() do (sectors / block_size) alignment for what actually get used by target_core_mod to be safe here, following the same alignment currently used by fabric_max_sectors. Reported-by: Andy Grover <agrover@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Roland Dreier <roland@purestorage.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-05-09Merge git://1984.lsi.us.es/net-nextDavid S. Miller
2012-05-09target: lock => unlock typo in transport_lun_wait_for_tasksDan Carpenter
target_stop_cmd() returns with the lock held and IRQs disabled. The intent was to unlock here. This bug was originally added with: commit cf572a9627c9ae86082216de109780c1d2e2ee28 Author: Christoph Hellwig <hch@infradead.org> Date: Tue Apr 24 00:25:05 2012 -0400 target: move the state and execute lists to the command Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-05-09target: Enforce hw_max_sectors for SCF_SCSI_DATA_SG_IO_CDBNicholas Bellinger
Instead of depending upon a max_sectors value that may be set via configfs based upon original HW queue limitations, go ahead and convert to using the hw_max_sectors reported by the backend device in order to determine when to reject an I/O's who's sector count exceeds what is supported by the backend with a single se_cmd descriptor. It addresses a potential case where se_dev_attrib.max_sectors for IBLOCK backends has already been set via queue_max_sectors() to something small like max_sectors=32 (LVM, DRBD may do this), resulting typically sized SCF_SCSI_DATA_SG_IO_CDB to be incorrectly rejected with invalid_cdb_field in transport_generic_cmd_sequencer(). Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Roland Dreier <roland@purestorage.com> Cc: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-05-09rcu: Make rcu_barrier() less disruptivePaul E. McKenney
The rcu_barrier() primitive interrupts each and every CPU, registering a callback on every CPU. Once all of these callbacks have been invoked, rcu_barrier() knows that every callback that was registered before the call to rcu_barrier() has also been invoked. However, there is no point in registering a callback on a CPU that currently has no callbacks, most especially if that CPU is in a deep idle state. This commit therefore makes rcu_barrier() avoid interrupting CPUs that have no callbacks. Doing this requires reworking the handling of orphaned callbacks, otherwise callbacks could slip through rcu_barrier()'s net by being orphaned from a CPU that rcu_barrier() had not yet interrupted to a CPU that rcu_barrier() had already interrupted. This reworking was needed anyway to take a first step towards weaning RCU from the CPU_DYING notifier's use of stop_cpu(). Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2012-05-09rcu: Explicitly initialize RCU_FAST_NO_HZ per-CPU variablesPaul E. McKenney
The current initialization of the RCU_FAST_NO_HZ per-CPU variables makes needless and fragile assumptions about the initial value of things like the jiffies counter. This commit therefore explicitly initializes all of them that are better started with a non-zero value. It also adds some comments describing the per-CPU state variables. Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2012-05-09rcu: Make RCU_FAST_NO_HZ handle timer migrationPaul E. McKenney
The current RCU_FAST_NO_HZ assumes that timers do not migrate unless a CPU goes offline, in which case it assumes that the CPU will have to come out of dyntick-idle mode (cancelling the timer) in order to go offline. This is important because when RCU_FAST_NO_HZ permits a CPU to enter dyntick-idle mode despite having RCU callbacks pending, it posts a timer on that CPU to force a wakeup on that CPU. This wakeup ensures that the CPU will eventually handle the end of the grace period, including invoking its RCU callbacks. However, Pascal Chapperon's test setup shows that the timer handler rcu_idle_gp_timer_func() really does get invoked in some cases. This is problematic because this can cause the CPU that entered dyntick-idle mode despite still having RCU callbacks pending to remain in dyntick-idle mode indefinitely, which means that its RCU callbacks might never be invoked. This situation can result in grace-period delays or even system hangs, which matches Pascal's observations of slow boot-up and shutdown (https://lkml.org/lkml/2012/4/5/142). See also the bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=806548 This commit therefore causes the "should never be invoked" timer handler rcu_idle_gp_timer_func() to use smp_call_function_single() to wake up the CPU for which the timer was intended, allowing that CPU to invoke its RCU callbacks in a timely manner. Reported-by: Pascal Chapperon <pascal.chapperon@wanadoo.fr> Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2012-05-09cifs: fix revalidation test in cifs_llseek()Dan Carpenter
This test is always true so it means we revalidate the length every time, which generates more network traffic. When it is SEEK_SET or SEEK_CUR, then we don't need to revalidate. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2012-05-09Merge tag 'fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM: SoC fixes from Olof Johansson: "Things have slowed down a lot for us, but we have five more fixes for omap and kirkwood below. Three are for boards setup issues, two are SoC-level fixes." * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: OMAP: igep0020: fix smsc911x dummy regulator id ARM: orion5x: Fix GPIO enable bits for MPP9 ARM: kirkwood: add missing kexec.h include ARM: OMAP: Revert "ARM: OMAP: ctrl: Fix CONTROL_DSIPHY register fields" ARM: OMAP1: Amstrad Delta: Fix wrong IRQ base in FIQ handler
2012-05-09Merge tag 'regmap-3.4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap Pull last minute regman bug fix from Mark Brown: "This is a last minute bug fix that was only just noticed since the code path that's being exercised here is one that is fairly rarely used. The changelog for the change itself is extremely clear and the code itself is obvious to inspection so should be pretty safe." * tag 'regmap-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: regmap: fix possible memory corruption in regmap_bulk_read()
2012-05-09Merge git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull KVM fixes from Avi Kivity: "Two asynchronous page fault fixes (one guest, one host), a powerpc page refcount fix, and an ia64 build fix." * git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: ia64: fix build due to typo KVM: PPC: Book3S HV: Fix refcounting of hugepages KVM: Do not take reference to mm during async #PF KVM: ensure async PF event wakes up vcpu from halt
2012-05-09Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc Pull powerpc fixes from Benjamin Herrenschmidt: "Here are a couple of last minute fixes for 3.4 for regressions introduced by my rewrite of the lazy irq masking code." * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/irq: Make alignment & program interrupt behave the same powerpc/irq: Fix bug with new lazy IRQ handling code
2012-05-09perf stat: handle ENXIO error for perf_event_openDavid Ahern
perf stat on PPC currently fails to run: $ perf stat -- sleep 1 Error: open_counter returned with 6 (No such device or address). /bin/dmesg may provide additional information. Fatal: Not all events could be opened. The problem is that until 2.6.37 (behavior changed with commit b0a873e) perf on PPC returns ENXIO when hw_perf_event_init() fails. With this patch we get the expected behavior: $ perf stat -v -- sleep 1 cycles event is not supported by the kernel. stalled-cycles-frontend event is not supported by the kernel. stalled-cycles-backend event is not supported by the kernel. instructions event is not supported by the kernel. branches event is not supported by the kernel. branch-misses event is not supported by the kernel. ... Signed-off-by: David Ahern <dsahern@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1336490956-57145-1-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2012-05-09kmemleak: Fix the kmemleak tracking of the percpu areas with !SMPCatalin Marinas
Kmemleak tracks the percpu allocations via a specific API and the originally allocated areas must be removed from kmemleak (via kmemleak_free). The code was already doing this for SMP systems. Reported-by: Sami Liedes <sami.liedes@iki.fi> Cc: Tejun Heo <tj@kernel.org> Cc: Christoph Lameter <cl@linux-foundation.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2012-05-09percpu: pcpu_embed_first_chunk() should free unused parts after all allocs ↵Tejun Heo
are complete pcpu_embed_first_chunk() allocates memory for each node, copies percpu data and frees unused portions of it before proceeding to the next group. This assumes that allocations for different nodes doesn't overlap; however, depending on memory topology, the bootmem allocator may end up allocating memory from a different node than the requested one which may overlap with the portion freed from one of the previous percpu areas. This leads to percpu groups for different nodes overlapping which is a serious bug. This patch separates out copy & partial free from the allocation loop such that all allocations are complete before partial frees happen. This also fixes overlapping frees which could happen on allocation failure path - out_free_areas path frees whole groups but the groups could have portions freed at that point. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org Reported-by: "Pavel V. Panteleev" <pp_84@mail.ru> Tested-by: "Pavel V. Panteleev" <pp_84@mail.ru> LKML-Reference: <E1SNhwY-0007ui-V7.pp_84-mail-ru@f220.mail.ru>
2012-05-09e1000e: Fix merge conflict (net->net-next)Jeff Kirsher
During merge of net to net-next the changes in patch: e1000e: Fix default interrupt throttle rate not set in NIC HW got munged in param.c of the e1000e driver. This rectifies the merge issues. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-09Merge tag 'omap-fixes-for-v3.4-rc6-take-2' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Fix two board spefific regressions and one regression caused by bad documentation By Archit Taneja (1) and others via Tony Lindgren * tag 'omap-fixes-for-v3.4-rc6-take-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP: igep0020: fix smsc911x dummy regulator id ARM: OMAP: Revert "ARM: OMAP: ctrl: Fix CONTROL_DSIPHY register fields" ARM: OMAP1: Amstrad Delta: Fix wrong IRQ base in FIQ handler
2012-05-09ARM: OMAP: igep0020: fix smsc911x dummy regulator idEnrico Butera
id 0 is already used and causes errors at boot: WARNING: at fs/sysfs/dir.c:508 sysfs_add_one+0x9c/0xac() sysfs: cannot create duplicate filename '/devices/platform/reg-fixed-voltage.0' Fix it by using the next available one (id=1). This was caused by 5b3689f4 (ARM: OMAP2+: smsc911x: Add fixed board regulators) that did not account for some regulators already being used. Signed-off-by: Enrico Butera <ebutera@users.berlios.de> [tony@atomide.com: updated comments for regression causing commit] Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-05-09regmap: fix possible memory corruption in regmap_bulk_read()Laxman Dewangan
The function regmap_bulk_read() calls the regmap_read() for each register if set of register has volatile and cache is enabled. In this case, last few register read makes the memory corruption if the register size is not the size of unsigned int. The regam_read() takes argument as unsigned int for returning value and it update the value as *val = map->format.parse_val(map->work_buf); This causes complete 4 bytes (size of unsigned int) to get written. Now if client pass the memory pointer for value which is equal to the required size of register count in regmap_bulk_read() then last few register read actually update the memory beyond passed pointer size. Avoid this by using local variable for read and then do memcpy() for actual byte copy to passed pointer based on register size. I allocated one pointer ptr and take first 16 bytes dump of that pointer then call regmap_bulk_read() with pointer which is just on top of this allocated pointer and register count of 128. Here register size is 1 byte. The memory trace of last 5 register read are as follows: [ 5.438589] regmap_bulk_read after regamp_read() for register 122 [ 5.447421] 0xef993c20 0xef993c00 0x00000000 0x00000001 [ 5.467535] regmap_bulk_read after regamp_read() for register 123 [ 5.476374] 0xef993c20 0xef993c00 0x00000000 0x00000001 [ 5.496425] regmap_bulk_read after regamp_read() for register 124 [ 5.505260] 0xef993c20 0xef993c00 0x00000000 0x00000001 [ 5.525372] regmap_bulk_read after regamp_read() for register 125 [ 5.534205] 0xef993c00 0xef993c00 0x00000000 0x00000001 [ 5.554258] regmap_bulk_read after regamp_read() for register 126 [ 5.563100] 0xef990000 0xef993c00 0x00000000 0x00000001 [ 5.554258] regmap_bulk_read after regamp_read() for register 127 [ 5.587108] 0xef000000 0xef993c00 0x00000000 0x00000001 Here it is observed that the memory content at first word started changing on last 3 regmap_read() and so corruption happened. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-05-09ARM: Remove ARMv3 support from decompressorRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-05-09Merge tag 'asoc-3.4' of ↵Takashi Iwai
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Build fix for SH in 3.4 An API update which wasn't sufficiently thorough in updating the tree...
2012-05-09ASoC: sh: fix migor.c compilationGuennadi Liakhovetski
Fix a recent compilation breakage, caused by a change in SH clock API. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-05-09netfilter: hashlimit: byte-based limit modeFlorian Westphal
can be used e.g. for ingress traffic policing or to detect when a host/port consumes more bandwidth than expected. This is done by optionally making cost to mean "cost per 16-byte-chunk-of-data" instead of "cost per packet". Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-05-09netfilter: hashlimit: move rateinfo initialization to helperFlorian Westphal
followup patch would bloat main match function too much. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-05-09netfilter: limit, hashlimit: avoid duplicated inlineFlorian Westphal
credit_cap can be set to credit, which avoids inlining user2credits twice. Also, remove inline keyword and let compiler decide. old: 684 192 0 876 36c net/netfilter/xt_limit.o 4927 344 32 5303 14b7 net/netfilter/xt_hashlimit.o now: 668 192 0 860 35c net/netfilter/xt_limit.o 4793 344 32 5169 1431 net/netfilter/xt_hashlimit.o Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-05-09netfilter: add xt_hmark target for hash-based skb markingHans Schillstrom
The target allows you to create rules in the "raw" and "mangle" tables which set the skbuff mark by means of hash calculation within a given range. The nfmark can influence the routing method (see "Use netfilter MARK value as routing key") and can also be used by other subsystems to change their behaviour. [ Part of this patch has been refactorized and modified by Pablo Neira Ayuso ] Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-05-09netfilter: ip6_tables: add flags parameter to ipv6_find_hdr()Hans Schillstrom
This patch adds the flags parameter to ipv6_find_hdr. This flags allows us to: * know if this is a fragment. * stop at the AH header, so the information contained in that header can be used for some specific packet handling. This patch also adds the offset parameter for inspection of one inner IPv6 header that is contained in error messages. Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-05-09KVM: ia64: fix build due to typoAvi Kivity
s/kcm/kvm/. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2012-05-09sched: Fix KVM and ia64 boot crash due to sched_groups circular linked list ↵Igor Mammedov
assumption If we have one cpu that failed to boot and boot cpu gave up on waiting for it and then another cpu is being booted, kernel might crash with following OOPS: BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 IP: [<ffffffff812c3630>] __bitmap_weight+0x30/0x80 Call Trace: [<ffffffff8108b9b6>] build_sched_domains+0x7b6/0xa50 The crash happens in init_sched_groups_power() that expects sched_groups to be circular linked list. However it is not always true, since sched_groups preallocated in __sdt_alloc are initialized in build_sched_groups and it may exit early if (cpu != cpumask_first(sched_domain_span(sd))) return 0; without initializing sd->groups->next field. Fix bug by initializing next field right after sched_group was allocated. Also-Reported-by: Jiang Liu <liuj97@gmail.com> Signed-off-by: Igor Mammedov <imammedo@redhat.com> Cc: a.p.zijlstra@chello.nl Cc: pjt@google.com Cc: seto.hidetoshi@jp.fujitsu.com Link: http://lkml.kernel.org/r/1336559908-32533-1-git-send-email-imammedo@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-05-09e1000e: Fix merge conflict (net->net-next)Jeff Kirsher
During merge of net to net-next the changes in patch: e1000e: Fix default interrupt throttle rate not set in NIC HW got munged in param.c of the e1000e driver. This rectifies the merge issues. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-05-09regulator: twl-regulator: make TWL4030_ALLOW_UNSUPPORTED more configurable.NeilBrown
The regulators in the twl4030 can provide some voltage settings that are not offically supported. These settings are disabled by default, but can be enabled with CONFIG_TWL4030_ALLOW_UNSUPPORTED=y However - that config variable is not mentioned in any Kconfig so cannot be used, and - a global setting is clumsy - a per regulator setting would be better. So define a new 'feature' flag that a board file can set to enable these unsupported volatages for boards which need them. This flag cannot (yet) be set using device-tree. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-05-09mfd: twl: define all feature flags in one place.NeilBrown
twl-regulator has a collection of feature flags, some defined in twl-core.c and one defined in i2c/twl.h. This is confusing for anyone adding a new feature flag. So collect them together and place them in twl.h immediately after the structure in which they are initially set. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-05-09regulator: tps65910: Convert to get_voltage_selAxel Lin
Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-05-09ALSA: HDA: Lessen CPU usage when waiting for chip to respondDavid Henningsson
When an IRQ for some reason gets lost, we wait up to a second using udelay, which is CPU intensive. This patch improves the situation by waiting about 30 ms in the CPU intensive mode, then stepping down to using msleep(2) instead. In essence, we trade some granularity in exchange for less CPU consumption when the waiting time is a bit longer. As a result, PulseAudio should no longer be killed by the kernel for taking up to much RT-prio CPU time. At least not for *this* reason. Signed-off-by: David Henningsson <david.henningsson@canonical.com> Tested-by: Arun Raghavan <arun.raghavan@collabora.co.uk> Cc: <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-05-09Merge branch 'kirkwood_fixes_for_v3.4' of ↵Olof Johansson
git://git.infradead.org/users/jcooper/linux-kirkwood into fixes By Ben Hutchings (1) and Ian Campbell (1) via Jason Cooper: "ARM: kirkwood: fixes for v3.4" * 'kirkwood_fixes_for_v3.4' of git://git.infradead.org/users/jcooper/linux-kirkwood: ARM: orion5x: Fix GPIO enable bits for MPP9 ARM: kirkwood: add missing kexec.h include
2012-05-08iwlwifi: fix-up some merge damage from commit 0d6c4a2John W. Linville
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-05-08{nl,cfg,mac}80211: Allow user to see/configure HT protection modeAshok Nagarajan
This patch introduces a new mesh configuration parameter "ht_opmode" and will allow user to check the current HT protection mode selected. Users could configure the protection mode by the command "iw mesh_iface set mesh_param mesh_ht_protection_mode=2". The default protection mode of mesh is set to non-HT mixed mode. Signed-off-by: Ashok Nagarajan <ashok@cozybit.com> Reviewed-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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