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2010-02-28Merge branch 'tracing-core-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (28 commits) ftrace: Add function names to dangling } in function graph tracer tracing: Simplify memory recycle of trace_define_field tracing: Remove unnecessary variable in print_graph_return tracing: Fix typo of info text in trace_kprobe.c tracing: Fix typo in prof_sysexit_enable() tracing: Remove CONFIG_TRACE_POWER from kernel config tracing: Fix ftrace_event_call alignment for use with gcc 4.5 ftrace: Remove memory barriers from NMI code when not needed tracing/kprobes: Add short documentation for HAVE_REGS_AND_STACK_ACCESS_API s390: Add pt_regs register and stack access API tracing/kprobes: Make Kconfig dependencies generic tracing: Unify arch_syscall_addr() implementations tracing: Add notrace to TRACE_EVENT implementation functions ftrace: Allow to remove a single function from function graph filter tracing: Add correct/incorrect to sort keys for branch annotation output tracing: Simplify test for function_graph tracing start point tracing: Drop the tr check from the graph tracing path tracing: Add stack dump to trace_printk if stacktrace option is set tracing: Use appropriate perl constructs in recordmcount.pl tracing: optimize recordmcount.pl for offsets-handling ...
2010-02-28Merge branch 'oprofile-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'oprofile-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: oprofile/x86: fix msr access to reserved counters oprofile/x86: use kzalloc() instead of kmalloc() oprofile/x86: fix perfctr nmi reservation for mulitplexing oprofile/x86: add comment to counter-in-use warning oprofile/x86: warn user if a counter is already active oprofile/x86: implement randomization for IBS periodic op counter oprofile/x86: implement lsfr pseudo-random number generator for IBS oprofile/x86: implement IBS cpuid feature detection oprofile/x86: remove node check in AMD IBS initialization oprofile/x86: remove OPROFILE_IBS config option oprofile: remove EXPERIMENTAL from the config option description oprofile: remove tracing build dependency
2010-02-28Merge branch 'core-rcu-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (44 commits) rcu: Fix accelerated GPs for last non-dynticked CPU rcu: Make non-RCU_PROVE_LOCKING rcu_read_lock_sched_held() understand boot rcu: Fix accelerated grace periods for last non-dynticked CPU rcu: Export rcu_scheduler_active rcu: Make rcu_read_lock_sched_held() take boot time into account rcu: Make lockdep_rcu_dereference() message less alarmist sched, cgroups: Fix module export rcu: Add RCU_CPU_STALL_VERBOSE to dump detailed per-task information rcu: Fix rcutorture mod_timer argument to delay one jiffy rcu: Fix deadlock in TREE_PREEMPT_RCU CPU stall detection rcu: Convert to raw_spinlocks rcu: Stop overflowing signed integers rcu: Use canonical URL for Mathieu's dissertation rcu: Accelerate grace period if last non-dynticked CPU rcu: Fix citation of Mathieu's dissertation rcu: Documentation update for CONFIG_PROVE_RCU security: Apply lockdep-based checking to rcu_dereference() uses idr: Apply lockdep-based diagnostics to rcu_dereference() uses radix-tree: Disable RCU lockdep checking in radix tree vfs: Abstract rcu_dereference_check for files-fdtable use ...
2010-02-28Merge branches 'core-ipi-for-linus', 'core-locking-for-linus', ↵Linus Torvalds
'tracing-fixes-for-linus', 'x86-debug-for-linus', 'x86-doc-for-linus', 'x86-gpu-for-linus' and 'x86-rlimit-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-ipi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: generic-ipi: Optimize accesses by using DEFINE_PER_CPU_SHARED_ALIGNED for IPI data * 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: plist: Fix grammar mistake, and c-style mistake * 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: kprobes: Add mcount to the kprobes blacklist * 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86_64: Print modules like i386 does * 'x86-doc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: Put 'nopat' in kernel-parameters * 'x86-gpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86-64: Allow fbdev primary video code * 'x86-rlimit-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: Use helpers for rlimits
2010-02-28vhost-net: restart tx poll on sk_sndbuf fullSridhar Samudrala
guest to remote communication with vhost net sometimes stops until guest driver is restarted. This happens when we get guest kick precisely when the backend send queue is full, as a result handle_tx() returns without polling backend. This patch fixes this by restarting tx poll on this condition. Signed-off-by: Sridhar Samudrala <samudrala@us.ibm.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Tested-by: Tom Lendacky <toml@us.ibm.com>
2010-02-28vhost: fix get_user_pages_fast error handlingMichael S. Tsirkin
get_user_pages_fast returns number of pages on success, negative value on failure, but never 0. Fix vhost code to match this logic. Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-02-28vhost: initialize log eventfd context pointerMichael S. Tsirkin
vq log eventfd context pointer needs to be initialized, otherwise operation may fail or oops if log is enabled but log eventfd not set by userspace. When log_ctx for device is created, it is copied to the vq. This reset was missing. Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-02-28vhost: logging thinko fixMichael S. Tsirkin
vhost was dong some complex math to get offset to log at, and got it wrong by a couple of bytes, while in fact it's simple: get address where we write, subtract start of buffer, add log base. Do it this way. Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-02-28sparc: use __ratelimitAkinobu Mita
Replace open-coded rate limiting logic with __ratelimit(). Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28wireless: convert to use netdev_for_each_mc_addrJiri Pirko
also added missed locking in rndis_wlan.c Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28ethtool: do not set some flags, if others failedJeff Garzik
NETIF_F_NTUPLE flag setting introduced a bug: non-ntuple flags like LRO may be successfully set, before ioctl(2) returns failure to userspace. The set-flags operation should be all-or-none, rather than leaving things in an inconsistent state prior to reporting failure to userspace. Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28ipoib: returned back addrlen check for mc addressesJiri Pirko
Apparently bogus mc address can break IPOIB multicast processing. Therefore returning the check for addrlen back until this is resolved in bonding (I don't see any other point from where mc address with non-dev->addr_len length can came from). Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28x86: Fix out of order of gsiEric W. Biederman
Iranna D Ankad reported that IBM x3950 systems have boot problems after this commit: | | commit b9c61b70075c87a8612624736faf4a2de5b1ed30 | | x86/pci: update pirq_enable_irq() to setup io apic routing | The problem is that with the patch, the machine freezes when console=ttyS0,... kernel serial parameter is passed. It seem to freeze at DVD initialization and the whole problem seem to be DVD/pata related, but somehow exposed through the serial parameter. Such apic problems can expose really weird behavior: ACPI: IOAPIC (id[0x10] address[0xfecff000] gsi_base[0]) IOAPIC[0]: apic_id 16, version 0, address 0xfecff000, GSI 0-2 ACPI: IOAPIC (id[0x0f] address[0xfec00000] gsi_base[3]) IOAPIC[1]: apic_id 15, version 0, address 0xfec00000, GSI 3-38 ACPI: IOAPIC (id[0x0e] address[0xfec01000] gsi_base[39]) IOAPIC[2]: apic_id 14, version 0, address 0xfec01000, GSI 39-74 ACPI: INT_SRC_OVR (bus 0 bus_irq 1 global_irq 4 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 5 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 3 global_irq 6 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 4 global_irq 7 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 6 global_irq 9 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 7 global_irq 10 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 8 global_irq 11 low edge) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 12 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 12 global_irq 15 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 13 global_irq 16 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 14 global_irq 17 low edge) ACPI: INT_SRC_OVR (bus 0 bus_irq 15 global_irq 18 dfl dfl) It turns out that the system has three io apic controllers, but boot ioapic routing is in the second one, and that gsi_base is not 0 - it is using a bunch of INT_SRC_OVR... So these recent changes: 1. one set routing for first io apic controller 2. assume irq = gsi ... will break that system. So try to remap those gsis, need to seperate boot_ioapic_idx detection out of enable_IO_APIC() and call them early. So introduce boot_ioapic_idx, and remap_ioapic_gsi()... -v2: shift gsi with delta instead of gsi_base of boot_ioapic_idx -v3: double check with find_isa_irq_apic(0, mp_INT) to get right boot_ioapic_idx -v4: nr_legacy_irqs -v5: add print out for boot_ioapic_idx, and also make it could be applied for current kernel and previous kernel -v6: add bus_irq, in acpi_sci_ioapic_setup, so can get overwride for sci right mapping... -v7: looks like pnpacpi get irq instead of gsi, so need to revert them back... -v8: split into two patches -v9: according to Eric, use fixed 16 for shifting instead of remap -v10: still need to touch rsparser.c -v11: just revert back to way Eric suggest... anyway the ioapic in first ioapic is blocked by second... -v12: two patches, this one will add more loop but check apic_id and irq > 16 Reported-by: Iranna D Ankad <iranna.ankad@in.ibm.com> Bisected-by: Iranna D Ankad <iranna.ankad@in.ibm.com> Tested-by: Gary Hade <garyhade@us.ibm.com> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Thomas Renninger <trenn@suse.de> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: len.brown@intel.com LKML-Reference: <4B8A321A.1000008@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-02-28netlink: Adding inode field to /proc/net/netlinkMasatake YAMATO
The Inode field in /proc/net/{tcp,udp,packet,raw,...} is useful to know the types of file descriptors associated to a process. Actually lsof utility uses the field. Unfortunately, unlike /proc/net/{tcp,udp,packet,raw,...}, /proc/net/netlink doesn't have the field. This patch adds the field to /proc/net/netlink. Signed-off-by: Masatake YAMATO <yamato@redhat.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28axnet_cs: add new idKen Kawasaki
axnet_cs: add new id (corega PCC-TXM) Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-next-2.6
2010-02-28bridge: Make IGMP snooping depend upon BRIDGE.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28bridge: Add multicast count/interval sysfs entriesHerbert Xu
This patch allows the user to the IGMP parameters related to the snooping function of the bridge. This includes various time values and retransmission limits. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28bridge: Add hash elasticity/max sysfs entriesHerbert Xu
This patch allows the user to control the hash elasticity/max parameters. The elasticity setting does not take effect until the next new multicast group is added. At which point it is checked and if after rehashing it still can't be satisfied then snooping will be disabled. The max setting on the other hand takes effect immediately. It must be a power of two and cannot be set to a value less than the current number of multicast group entries. This is the only way to shrink the multicast hash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28bridge: Add multicast_snooping sysfs toggleHerbert Xu
This patch allows the user to disable IGMP snooping completely through a sysfs toggle. It also allows the user to reenable snooping when it has been automatically disabled due to hash collisions. If the collisions have not been resolved however the system will refuse to reenable snooping. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28bridge: Add multicast_router sysfs entriesHerbert Xu
This patch allows the user to forcibly enable/disable ports as having multicast routers attached. A port with a multicast router will receive all multicast traffic. The value 0 disables it completely. The default is 1 which lets the system automatically detect the presence of routers (currently this is limited to picking up queries), and 2 means that the port will always receive all multicast traffic. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28bridge: Add multicast data-path hooksHerbert Xu
This patch finally hooks up the multicast snooping module to the data path. In particular, all multicast packets passing through the bridge are fed into the module and switched by it. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28bridge: Add multicast start/stop hooksHerbert Xu
This patch hooks up the bridge start/stop and add/delete/disable port functions to the new multicast module. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28bridge: Add multicast forwarding functionsHerbert Xu
This patch adds code to perform selective multicast forwarding. We forward multicast traffic to a set of ports plus all multicast router ports. In order to avoid duplications among these two sets of ports, we order all ports by the numeric value of their pointers. The two lists are then walked in lock-step to eliminate duplicates. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28bridge: Add core IGMP snooping supportHerbert Xu
This patch adds the core functionality of IGMP snooping support without actually hooking it up. So this patch should be a no-op as far as the bridge's external behaviour is concerned. All the new code and data is controlled by the Kconfig option BRIDGE_IGMP_SNOOPING. A run-time toggle is also available. The multicast switching is done using an hash table that is lockless on the read-side through RCU. On the write-side the new multicast_lock is used for all operations. The hash table supports dynamic growth/rehashing. The hash table will be rehashed if any chain length exceeds a preset limit. If rehashing does not reduce the maximum chain length then snooping will be disabled. These features may be added in future (in no particular order): * IGMPv3 source support * Non-querier router detection * IPv6 Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28bridge: Split may_deliver/deliver_clone out of br_floodHerbert Xu
This patch moves the main loop body in br_flood into the function may_deliver. The code that clones an skb and delivers it is moved into the deliver_clone function. This allows this to be reused by the future multicast forward function. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28bridge: Use BR_INPUT_SKB_CB on xmit pathHerbert Xu
this patch makes BR_INPUT_SKB_CB available on the xmit path so that we could avoid passing the br pointer around for the purpose of collecting device statistics. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28bridge: Avoid unnecessary clone on forward pathHerbert Xu
When the packet is delivered to the local bridge device we may end up cloning it unnecessarily if no bridge port can receive the packet in br_flood. This patch avoids this by moving the skb_clone into br_flood. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28bridge: Allow tail-call on br_pass_frame_upHerbert Xu
This patch allows tail-call on the call to br_pass_frame_up in br_handle_frame_finish. This is now possible because of the previous patch to call br_pass_frame_up last. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28bridge: Do br_pass_frame_up after other portsHerbert Xu
At the moment we deliver to the local bridge port via the function br_pass_frame_up before all other ports. There is no requirement for this. For the purpose of IGMP snooping, it would be more convenient if we did the local port last. Therefore this patch rearranges the bridge input processing so that the local bridge port gets to see the packet last (if at all). Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28Bluetooth: Fix out of scope variable access in hci_sock_cmsg()Johann Felix Soden
The pointer data can point to the variable ctv. Access to data happens when ctv is already out of scope. Signed-off-by: Johann Felix Soden <johfel@users.sourceforge.net> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2010-02-28tg3: Remove now useless VPD codeMatt Carlson
Now that the VPD searching code is abstracted away, the outer loop used to detect the read-only large resource data type section is useless. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28bnx2: Remove now useless VPD codeMatt Carlson
Now that the VPD searching code is abstracted away, the outer loop used to detect the read-only large resource data type section is useless. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28pci: Add helper to search for VPD keywordsMatt Carlson
This patch adds the pci_vpd_find_info_keyword() helper function to find information field keywords within read-only and read-write large resource data type sections. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28pci: Add VPD information field helper functionsMatt Carlson
This patch adds a preprocessor constant to describe the PCI VPD information field header size and an inline function to extract the size of the information field itself. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28pci: Add helper to find a VPD resource data typeMatt Carlson
This patch adds the pci_vpd_find_tag() helper function to find VPD resource data types in a buffer. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28pci: Add large and small resource data type codeMatt Carlson
This patch introduces more VPD preprocessor definitions to identify some small and large resource data type item names. The patch then continues to correct how the tg3 and bnx2 drivers search for the "read-only data" large resource data type. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-28pci: Add PCI LRDT tag size and section sizeMatt Carlson
This patch adds a preprocessor constant to describe the PCI VPD large resource data type tag size and an inline function to extract the large resource section size from the large resource data type tag. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-27Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: (24 commits) m68k: Define sigcontext ABI of ColdFire m68knommu: NPTL support for uClinux m68k: Add NPTL support m68k: Eliminate unused variable in page_to_phys() m68k: Switch to generic siginfo layout macfb: fix 24-bit visual and stuff macfb: cleanup fbdev: add some missing mac modes mac68k: start CUDA early valkyriefb: various fixes fbdev: mac_var_to_mode() fix mac68k: move macsonic and macmace platform devices mac68k: move mac_esp platform device mac68k: replace mac68k SCC code with platform device pmac-zilog: add platform driver pmac-zilog: cleanup mac68k: rework SWIM platform device mac68k: cleanup ataflop: Killl warning about unused variable flags m68k: Use DIV_ROUND_CLOSEST ...
2010-02-27Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6Linus Torvalds
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (35 commits) [S390] time: remove unused code [S390] zcore: Add prefix registers to dump header [S390] correct vdso version string [S390] add support for compressed kernels [S390] Define new s390 ELF note sections in elf.h [S390] codepage conversion of kernel parameter line [S390] seq_file: convert drivers/s390/ [S390] add z9-ec/z10 instruction to kernel disassembler [S390] dasd: correct offline processing [S390] dasd: fix refcounting. [S390] dasd: fix online/offline race [S390] use kprobes_built_in() in mm/fault code [S390] bug: use relative pointers in bug table entries [S390] Cleanup struct _lowcore usage and defines. [S390] free_initmem: reduce code duplication [S390] Replace ENOTSUPP usage with EOPNOTSUPP [S390] spinlock: check virtual cpu running status [S390] sysinfo: fix SYSIB 3,2,2 structure [S390] add MACHINE_IS_LPAR flag [S390] qdio: optimize cache line usage of struct qdio_irq ...
2010-02-27Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (141 commits) MIPS: Alchemy: defconfig updates MIPS: Alchemy: Fix Au1100 ethernet build failure MIPS: Alchemy: Repair db1500/bosporus builds MIPS: ARC: Cleanup unused definitions from sgialib.h MIPS: Cobalt: convert legacy port addresses to GT-64111 bus addresses MIPS: Alchemy: use 36bit addresses for PCMCIA resources. MIPS: Cobalt: Fix theoretical port aliasing issue MIPS: Use ALIGN(x, bytes) instead of __ALIGN_MASK(x, bytes - 1) MIPS: Crazy spinlock speed test. MIPS: Optimize spinlocks. MIPS: Alchemy: devboard PM needs to save CPLD registers. MIPS: PowerTV: Eliminate duplicate opcode definition macros MIPS: Lemote 2F: Move printks out of port_access_lock. MIPS: PNX833x: Convert IRQ controller locks to raw spinlocks. MIPS: Octeon: Replace spinlock with raw_spinlocks in dma-octeon.c. MIPS: Octeon: Replace rwlocks in irq_chip handlers with raw_spinlocks. MIPS: Octeon: Convert octeon_irq_msi_lock to raw spinlock. MIPS: Loongson: Remove pointless sample_lock from oprofile code. MIPS: SNI: Convert sni_rm200_i8259A_lock to raw spinlock. MIPS: i8259: Convert IRQ controller lock to raw spinlock. ...
2010-02-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: (49 commits) pcmcia: validate late-added resources pcmcia: allow for extension of resource interval pcmcia: remove useless msleep in ds.c pcmcia: use read_cis_mem return value pcmcia: handle error in serial_cs config calls pcmcia: add locking to pcmcia_{read,write}_cis_mem pcmcia: avoid prod_id memleak pcmcia: avoid sysfs-related lockup for cardbus pcmcia: use state machine for extended requery pcmcia: delay re-scanning and re-querying of PCMCIA bus pcmcia: use pccardd to handle eject, insert, suspend and resume requests pcmcia: use ops_mutex for rsrc_{mgr,nonstatic} locking pcmcia: use mutex for dynid lock pcmcia: assert locking to struct pcmcia_device pcmcia: add locking documentation pcmcia: simplify locking pcmcia: add locking to struct pcmcia_socket->pcmcia_state() pcmcia: protect s->device_count pcmcia: properly lock skt->irq, skt->irq_mask pcmcia: lock ops->set_socket ...
2010-02-27thinkpad-acpi: fix ALSA callback return statusHenrique de Moraes Holschuh
Clemens Ladisch reports that thinkpad-acpi improperly implements the ALSA API, and always returns 0 for success for the "put" callbacks while the API requires it to return "1" when the control value has been changed in the hardware/firmware. Rework the volume subdriver to be able to properly implement the ALSA API. Based on a patch by Clemens Ladisch <clemens@ladisch.de>. This fix is also needed on 2.6.33. Reported-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Cc: stable@kernel.org
2010-02-27Merge branch 'next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (88 commits) powerpc: Fix lwsync feature fixup vs. modules on 64-bit powerpc: Convert pmc_owner_lock to raw_spinlock powerpc: Convert die.lock to raw_spinlock powerpc: Convert tlbivax_lock to raw_spinlock powerpc: Convert mpic locks to raw_spinlock powerpc: Convert pmac_pic_lock to raw_spinlock powerpc: Convert big_irq_lock to raw_spinlock powerpc: Convert feature_lock to raw_spinlock powerpc: Convert i8259_lock to raw_spinlock powerpc: Convert beat_htab_lock to raw_spinlock powerpc: Convert confirm_error_lock to raw_spinlock powerpc: Convert ipic_lock to raw_spinlock powerpc: Convert native_tlbie_lock to raw_spinlock powerpc: Convert beatic_irq_mask_lock to raw_spinlock powerpc: Convert nv_lock to raw_spinlock powerpc: Convert context_lock to raw_spinlock powerpc/85xx: Add NOR, LEDs and PIB support for MPC8568E-MDS boards powerpc/86xx: Enable VME driver on the GE SBC610 powerpc/86xx: Enable VME driver on the GE PPC9A powerpc/86xx: Add MSI section to GE PPC9A DTS ...
2010-02-27m68k: Define sigcontext ABI of ColdFireMaxim Kuvyrkov
The following patch defines sigcontext ABI of ColdFire. Due to ISA restrictions ColdFire needs different rt_sigreturn trampoline. And due to ColdFire FP registers being 8-bytes instead of 12-bytes on m68k, sigcontext and fpregset structures should be updated. Regarding the sc_fpstate[16+6*8] field, it would've been enough 16 bytes to store ColdFire's FP state. To accomodate GLIBC's libSegFault it would'be been enough 6*8 bytes (room for the 6 non-call-clobbered FP registers). I set it to 16+6*8 to provide some extra space for any future changes in the ColdFire FPU. Signed-off-by: Maxim Kuvyrkov <maxim@codesourcery.com> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2010-02-27m68knommu: NPTL support for uClinuxMaxim Kuvyrkov
Port syscalls for NPTL support to m68knommu. Signed-off-by: Maxim Kuvyrkov <maxim@codesourcery.com> Acked-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2010-02-27m68k: Add NPTL supportMaxim Kuvyrkov
This patch adds several syscalls, that provide necessary functionality to support NPTL on m68k/ColdFire. The syscalls are get_thread_area, set_thread_area, atomic_cmpxchg_32 and atomic_barrier. The cmpxchg syscall is required for ColdFire as it doesn't support 'cas' instruction. Also a ptrace call PTRACE_GET_THREAD_AREA is added to allow debugger to inspect the TLS storage. Signed-off-by: Maxim Kuvyrkov <maxim@codesourcery.com> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2010-02-27m68k: Eliminate unused variable in page_to_phys()Geert Uytterhoeven
"pgdat" is unused, so we can eliminate it and turn page_to_phys() into a single-line macro. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2010-02-27m68k: Switch to generic siginfo layoutMaxim Kuvyrkov
This patch switches m68k to generic siginfo layout. The custom layout of m68k's `struct siginfo' had several issues due to not considering aliasing of members in the union, e.g., _uid32 was at different offsets in ._kill, ._rt and ._sigchld. Signed-off-by: Maxim Kuvyrkov <maxim@codesourcery.com> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2010-02-27macfb: fix 24-bit visual and stuffFinn Thain
Lots of changes. Remove volatile keywords. Take the advice in the comments and change video_slot to slot_addr. Factor out fifteen or so "channel >> 8" shifts into three shifts higher up the call graph. Make csc_setpalette() atomic, pass the correct color values. Check for ioremap() failure. Add missing break statement, thus fixing 24 bit console visual (blue background bug). Remove some uninformative printk() noise. Add a description for powerbook 140/170 graphics. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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