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2011-01-12KVM: PPC: Fix compile warningAlexander Graf
KVM compilation fails with the following warning: include/linux/kvm_host.h: In function 'kvm_irq_routing_update': include/linux/kvm_host.h:679:2: error: 'struct kvm' has no member named 'irq_routing' That function is only used and reasonable to have on systems that implement an in-kernel interrupt chip. PPC doesn't. Fix by #ifdef'ing it out when no irqchip is available. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-01-12KVM: fast-path msi injection with irqfdMichael S. Tsirkin
Store irq routing table pointer in the irqfd object, and use that to inject MSI directly without bouncing out to a kernel thread. While we touch this structure, rearrange irqfd fields to make fastpath better packed for better cache utilization. This also adds some comments about locking rules and rcu usage in code. Some notes on the design: - Use pointer into the rt instead of copying an entry, to make it possible to use rcu, thus side-stepping locking complexities. We also save some memory this way. - Old workqueue code is still used for level irqs. I don't think we DTRT with level anyway, however, it seems easier to keep the code around as it has been thought through and debugged, and fix level later than rip out and re-instate it later. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Marcelo Tosatti <mtosatti@redhat.com> Acked-by: Gregory Haskins <ghaskins@novell.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-01-12KVM: Refactor IRQ names of assigned devicesJan Kiszka
Cosmetic change, but it helps to correlate IRQs with PCI devices. Acked-by: Alex Williamson <alex.williamson@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-01-12KVM: Switch assigned device IRQ forwarding to threaded handlerJan Kiszka
This improves the IRQ forwarding for assigned devices: By using the kernel's threaded IRQ scheme, we can get rid of the latency-prone work queue and simplify the code in the same run. Moreover, we no longer have to hold assigned_dev_lock while raising the guest IRQ, which can be a lenghty operation as we may have to iterate over all VCPUs. The lock is now only used for synchronizing masking vs. unmasking of INTx-type IRQs, thus is renames to intx_lock. Acked-by: Alex Williamson <alex.williamson@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-01-12KVM: Clean up vm creation and releaseJan Kiszka
IA64 support forces us to abstract the allocation of the kvm structure. But instead of mixing this up with arch-specific initialization and doing the same on destruction, split both steps. This allows to move generic destruction calls into generic code. It also fixes error clean-up on failures of kvm_create_vm for IA64. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-01-12KVM: cleanup async_pf tracepointsXiao Guangrong
Use 'DECLARE_EVENT_CLASS' to cleanup async_pf tracepoints Acked-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-01-12KVM: fix tracing kvm_try_async_get_pageXiao Guangrong
Tracing 'async' and *pfn is useless, since 'async' is always true, and '*pfn' is always "fault_pfn' We can trace 'gva' and 'gfn' instead, it can help us to see the life-cycle of an async_pf Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-01-12KVM: pre-allocate one more dirty bitmap to avoid vmalloc()Takuya Yoshikawa
Currently x86's kvm_vm_ioctl_get_dirty_log() needs to allocate a bitmap by vmalloc() which will be used in the next logging and this has been causing bad effect to VGA and live-migration: vmalloc() consumes extra systime, triggers tlb flush, etc. This patch resolves this issue by pre-allocating one more bitmap and switching between two bitmaps during dirty logging. Performance improvement: I measured performance for the case of VGA update by trace-cmd. The result was 1.5 times faster than the original one. In the case of live migration, the improvement ratio depends on the workload and the guest memory size. In general, the larger the memory size is the more benefits we get. Note: This does not change other architectures's logic but the allocation size becomes twice. This will increase the actual memory consumption only when the new size changes the number of pages allocated by vmalloc(). Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-01-12KVM: x86: trace "exit to userspace" eventGleb Natapov
Add tracepoint for userspace exit. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-01-12KVM: propagate fault r/w information to gup(), allow read-only memoryMarcelo Tosatti
As suggested by Andrea, pass r/w error code to gup(), upgrading read fault to writable if host pte allows it. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-01-12ACPICA: Update version to 20101209Lin Ming
Version 20101209. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2011-01-12ACPICA: Global event handlerLin Ming
The global event handler is called whenever a general purpose or fixed ACPI event occurs. Also update Linux OSL to collect events counter with global event handler. Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2011-01-12ACPICA: Implicit notify supportLin Ming
This feature provides an automatic device notification for wake devices when a wakeup GPE occurs and there is no corresponding GPE method or handler. Rather than ignoring such a GPE, an implicit AML Notify operation is performed on the parent device object. This feature is not part of the ACPI specification and is provided for Windows compatibility only. Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2011-01-12ACPICA: New GPE handler callback definitionLin Ming
The new GPE handler callback has 2 additional parameters, gpe_device and gpe_number. typedef u32 (*acpi_gpe_handler) (acpi_handle gpe_device, u32 gpe_number, void *context); Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2011-01-12ACPICA: Rename some function and variable namesLin Ming
Some function and variable names are renamed to be consistent with ACPICA code base. acpi_raw_enable_gpe -> acpi_ev_add_gpe_reference acpi_raw_disable_gpe -> acpi_ev_remove_gpe_reference acpi_gpe_can_wake -> acpi_setup_gpe_for_wake acpi_gpe_wakeup -> acpi_set_gpe_wake_mask acpi_update_gpes -> acpi_update_all_gpes acpi_all_gpes_initialized -> acpi_gbl_all_gpes_initialized acpi_handler_info -> acpi_gpe_handler_info ... Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2011-01-12KVM: Inject asynchronous page fault into a PV guest if page is swapped out.Gleb Natapov
Send async page fault to a PV guest if it accesses swapped out memory. Guest will choose another task to run upon receiving the fault. Allow async page fault injection only when guest is in user mode since otherwise guest may be in non-sleepable context and will not be able to reschedule. Vcpu will be halted if guest will fault on the same page again or if vcpu executes kernel code. Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-01-12KVM: Add PV MSR to enable asynchronous page faults delivery.Gleb Natapov
Guest enables async PF vcpu functionality using this MSR. Reviewed-by: Rik van Riel <riel@redhat.com> Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-01-12KVM: Add memory slot versioning and use it to provide fast guest write interfaceGleb Natapov
Keep track of memslots changes by keeping generation number in memslots structure. Provide kvm_write_guest_cached() function that skips gfn_to_hva() translation if memslots was not changed since previous invocation. Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-01-12KVM: Halt vcpu if page it tries to access is swapped outGleb Natapov
If a guest accesses swapped out memory do not swap it in from vcpu thread context. Schedule work to do swapping and put vcpu into halted state instead. Interrupts will still be delivered to the guest and if interrupt will cause reschedule guest will continue to run another task. [avi: remove call to get_user_pages_noio(), nacked by Linus; this makes everything synchrnous again] Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-01-11Merge branch 'next' into for-linusDmitry Torokhov
2011-01-11Input: add SW_ROTATE_LOCK switch typeJekyll Lai
This switch is used to signal that user want to disable screen transitions from portrait to landscape mode and back. Signed-off-by: Jekyll Lai <jekyll_lai@wistron.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-01-12Merge branch 'sh/sdio' into sh-latestPaul Mundt
2011-01-12thermal: Add event notification to thermal frameworkR.Durgadoss
This patch adds event notification support to the generic thermal sysfs framework in the kernel. The notification is in the form of a netlink event. Signed-off-by: R.Durgadoss <durgadoss.r@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2011-01-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (67 commits) cxgb4vf: recover from failure in cxgb4vf_open() netfilter: ebtables: make broute table work again netfilter: fix race in conntrack between dump_table and destroy ah: reload pointers to skb data after calling skb_cow_data() ah: update maximum truncated ICV length xfrm: check trunc_len in XFRMA_ALG_AUTH_TRUNC ehea: Increase the skb array usage net/fec: remove config FEC2 as it's used nowhere pcnet_cs: add new_id tcp: disallow bind() to reuse addr/port net/r8169: Update the function of parsing firmware net: ppp: use {get,put}_unaligned_be{16,32} CAIF: Fix IPv6 support in receive path for GPRS/3G arp: allow to invalidate specific ARP entries net_sched: factorize qdisc stats handling mlx4: Call alloc_etherdev to allocate RX and TX queues net: Add alloc_netdev_mqs function caif: don't set connection request param size before copying data cxgb4vf: fix mailbox data/control coherency domain race qlcnic: change module parameter permissions ...
2011-01-11Merge branch 'master' of git://1984.lsi.us.es/net-2.6David S. Miller
2011-01-11Merge branch 'nfs-for-2.6.38' of ↵Linus Torvalds
git://git.linux-nfs.org/projects/trondmy/nfs-2.6 * 'nfs-for-2.6.38' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: (89 commits) NFS fix the setting of exchange id flag NFS: Don't use vm_map_ram() in readdir NFSv4: Ensure continued open and lockowner name uniqueness NFS: Move cl_delegations to the nfs_server struct NFS: Introduce nfs_detach_delegations() NFS: Move cl_state_owners and related fields to the nfs_server struct NFS: Allow walking nfs_client.cl_superblocks list outside client.c pnfs: layout roc code pnfs: update nfs4_callback_recallany to handle layouts pnfs: add CB_LAYOUTRECALL handling pnfs: CB_LAYOUTRECALL xdr code pnfs: change lo refcounting to atomic_t pnfs: check that partial LAYOUTGET return is ignored pnfs: add layout to client list before sending rpc pnfs: serialize LAYOUTGET(openstateid) pnfs: layoutget rpc code cleanup pnfs: change how lsegs are removed from layout list pnfs: change layout state seqlock to a spinlock pnfs: add prefix to struct pnfs_layout_hdr fields pnfs: add prefix to struct pnfs_layout_segment fields ...
2011-01-11netfilter: ebtables: make broute table work againFlorian Westphal
broute table init hook sets up the "br_should_route_hook" pointer, which then gets called from br_input. commit a386f99025f13b32502fe5dedf223c20d7283826 (bridge: add proper RCU annotation to should_route_hook) introduced a typedef, and then changed this to: br_should_route_hook_t *rhook; [..] rhook = rcu_dereference(br_should_route_hook); if (*rhook(skb)) problem is that "br_should_route_hook" contains the address of the function, so calling *rhook() results in kernel panic. Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-01-11Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (44 commits) ext4: fix trimming starting with block 0 with small blocksize ext4: revert buggy trim overflow patch ext4: don't pass entire map to check_eofblocks_fl ext4: fix memory leak in ext4_free_branches ext4: remove ext4_mb_return_to_preallocation() ext4: flush the i_completed_io_list during ext4_truncate ext4: add error checking to calls to ext4_handle_dirty_metadata() ext4: fix trimming of a single group ext4: fix uninitialized variable in ext4_register_li_request ext4: dynamically allocate the jbd2_inode in ext4_inode_info as necessary ext4: drop i_state_flags on architectures with 64-bit longs ext4: reorder ext4_inode_info structure elements to remove unneeded padding ext4: drop ec_type from the ext4_ext_cache structure ext4: use ext4_lblk_t instead of sector_t for logical blocks ext4: replace i_delalloc_reserved_flag with EXT4_STATE_DELALLOC_RESERVED ext4: fix 32bit overflow in ext4_ext_find_goal() ext4: add more error checks to ext4_mkdir() ext4: ext4_ext_migrate should use NULL not 0 ext4: Use ext4_error_file() to print the pathname to the corrupted inode ext4: use IS_ERR() to check for errors in ext4_error_file ...
2011-01-11Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: ext2: Resolve 'dereferencing pointer to incomplete type' when enabling EXT2_XATTR_DEBUG ext3: Remove redundant unlikely() ext2: Remove redundant unlikely() ext3: speed up file creates by optimizing rec_len functions ext2: speed up file creates by optimizing rec_len functions ext3: Add more journal error check ext3: Add journal error check in resize.c quota: Use %pV and __attribute__((format (printf in __quota_error and fix fallout ext3: Add FITRIM handling ext3: Add batched discard support for ext3 ext3: Add journal error check into ext3_rename() ext3: Use search_dirblock() in ext3_dx_find_entry() ext3: Avoid uninitialized memory references with a corrupted htree directory ext3: Return error code from generic_check_addressable ext3: Add journal error check into ext3_delete_entry() ext3: Add error check in ext3_mkdir() fs/ext3/super.c: Use printf extension %pV fs/ext2/super.c: Use printf extension %pV ext3: don't update sb journal_devnum when RO dev
2011-01-11ah: update maximum truncated ICV lengthNicolas Dichtel
For SHA256, RFC4868 requires to truncate ICV length to 128 bits, hence MAX_AH_AUTH_LEN should be updated to 16. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-11HID: set HID_MAX_FIELD at 128Benjamin Tissoires
Stantums multitouch panels sends more than 64 reports and this results in not being able to handle all the touches given by this device. This patch is required to be able to include Stantum panels in the unified hid-multitouch driver. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr> Acked-by: Henrik Rydberg <rydberg@euromail.se> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-01-11HID: add feature_mapping callbackBenjamin Tissoires
Currently hid doesn't export the features it knows to the specific modules. Some information can be really important in such features: MosArt and Cypress devices are by default not in a multitouch mode. We have to send the value 2 on the right feature. This patch exports to the module the features report so they can find the right feature to set up the correct mode. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr> Acked-by: Henrik Rydberg <rydberg@euromail.se> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-01-11rpc: allow xprt_class->setup to return a preexisting xprtJ. Bruce Fields
This allows us to reuse the xprt associated with a server connection if one has already been set up. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-01-11rpc: move sk_bc_xprt to svc_xprtJ. Bruce Fields
This seems obviously transport-level information even if it's currently used only by the server socket code. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-01-11nfsd4: support BIND_CONN_TO_SESSIONJ. Bruce Fields
Basic xdr and processing for BIND_CONN_TO_SESSION. This adds a connection to the list of connections associated with a session. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-01-11Merge commit 'v2.6.37' into for-2.6.38-incomingJ. Bruce Fields
I made a slight mess of Documentation/filesystems/Locking; resolve conflicts with upstream before fixing it up.
2011-01-11xen: introduce gnttab_map_refs and gnttab_unmap_refsStefano Stabellini
gnttab_map_refs maps some grant refs and uses the new m2p override to set a proper m2p mapping for the granted pages. gnttab_unmap_refs unmaps the granted refs and removes th mappings from the m2p override. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2011-01-11xen/gntdev: allow usermode to map granted pagesGerd Hoffmann
The gntdev driver allows usermode to map granted pages from other domains. This is typically used to implement a Xen backend driver in user mode. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Stefano Stabellini <Stefano.Stabellini@eu.citrix.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2011-01-11xen: define gnttab_set_map_op/unmap_opIan Campbell
Impact: hypercall definitions These functions populate the gnttab data structures used by the granttab map and unmap ops and are used in the backend drivers. Originally xen-unstable.hg 9625:c3bb51c443a7 [ Include Stefano's fix for phys_addr_t ] Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2011-01-11NFS fix the setting of exchange id flagAndy Adamson
Indicate support for referrals. Do not set any PNFS roles. Check the flags returned by the server for validity. Do not use exchange flags from an old client ID instance when recovering a client ID. Update the EXCHID4_FLAG_XXX set to RFC 5661. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-01-11Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: Fix Moorestown VRTC fixmap placement x86/gpio: Implement x86 gpio_to_irq convert function x86, UV: Fix APICID shift for Westmere processors x86: Use PCI method for enabling AMD extended config space before MSR method x86: tsc: Prevent delayed init if initial tsc calibration failed x86, lapic-timer: Increase the max_delta to 31 bits x86: Fix sparse non-ANSI function warnings in smpboot.c x86, numa: Fix CONFIG_DEBUG_PER_CPU_MAPS without NUMA emulation x86, AMD, PCI: Add AMD northbridge PCI device id for CPU families 12h and 14h x86, numa: Fix cpu to node mapping for sparse node ids x86, numa: Fake node-to-cpumask for NUMA emulation x86, numa: Fake apicid and pxm mappings for NUMA emulation x86, numa: Avoid compiling NUMA emulation functions without CONFIG_NUMA_EMU x86, numa: Reduce minimum fake node size to 32M Fix up trivial conflict in arch/x86/kernel/apic/x2apic_uv_x.c
2011-01-11Merge branch 'timers-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: rtc: Namespace fixup RTC: Remove UIE emulation RTC: Rework RTC code to use timerqueue for events Fix up trivial conflict in drivers/rtc/rtc-dev.c
2011-01-11Merge branch 'perf-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (28 commits) perf session: Fix infinite loop in __perf_session__process_events perf evsel: Support perf_evsel__open(cpus > 1 && threads > 1) perf sched: Use PTHREAD_STACK_MIN to avoid pthread_attr_setstacksize() fail perf tools: Emit clearer message for sys_perf_event_open ENOENT return perf stat: better error message for unsupported events perf sched: Fix allocation result check perf, x86: P4 PMU - Fix unflagged overflows handling dynamic debug: Fix build issue with older gcc tracing: Fix TRACE_EVENT power tracepoint creation tracing: Fix preempt count leak tracepoint: Add __rcu annotation tracing: remove duplicate null-pointer check in skb tracepoint tracing/trivial: Add missing comma in TRACE_EVENT comment tracing: Include module.h in define_trace.h x86: Save rbp in pt_regs on irq entry x86, dumpstack: Fix unused variable warning x86, NMI: Clean-up default_do_nmi() x86, NMI: Allow NMI reason io port (0x61) to be processed on any CPU x86, NMI: Remove DIE_NMI_IPI x86, NMI: Add priorities to handlers ...
2011-01-11Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (39 commits) mmc: davinci: add support for SDIO irq handling mmc: fix division by zero in MMC core mmc: tmio_mmc: fix CMD irq handling mmc: tmio_mmc: handle missing HW interrupts mfd: sh_mobile_sdhi: activate SDIO IRQ for tmio_mmc mmc: tmio_mmc: implement SDIO IRQ support mfd: sdhi: require the tmio-mmc driver to bounce unaligned buffers mmc: tmio_mmc: silence compiler warnings mmc: tmio_mmc: implement a bounce buffer for unaligned DMA mmc: tmio_mmc: merge the private header into the driver mmc: tmio_mmc: fix PIO fallback on DMA descriptor allocation failure mmc: tmio_mmc: allow multi-element scatter-gather lists mmc: Register debugfs dir before calling card probe function. mmc: MMC_BLOCK_MINORS should depend on MMC_BLOCK. mmc: Explain why we make adjacent mmc_bus_{put,get} calls during rescan. mmc: Fix sd/sdio/mmc initialization frequency retries mmc: fix mmc_set_bus_width_ddr() call without bus-width-test cap mmc: dw_mmc: Add Synopsys DesignWare mmc host driver. mmc: add sdhci-tegra driver for Tegra SoCs mmc: sdhci: add quirk for max len ADMA descriptors ...
2011-01-11memory hotplug: one more lock on memory hotplugKAMEZAWA Hiroyuki
Now, memory_hotplug_(un)lock() is used for add/remove/offline pages for avoiding races with hibernation. But this should be held in online_pages(), too. It seems asymmetric. There are cases where one has to avoid a race with memory hotplug notifier and his own local code, and hotplug v.s. hotplug. This will add a generic solution for avoiding races. In other view, having lock here has no big impacts. online pages is tend to be done by udev script at el against each memory section one by one. Then, it's better to have lock here, too. Cc: <stable@kernel.org> # 2.6.37 Reviewed-by: Christoph Lameter <cl@linux.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
2011-01-11workqueue: relax lockdep annotation on flush_work()Tejun Heo
Currently, the lockdep annotation in flush_work() requires exclusive access on the workqueue the target work is queued on and triggers warning if a work is trying to flush another work on the same workqueue; however, this is no longer true as workqueues can now execute multiple works concurrently. This patch adds lock_map_acquire_read() and make process_one_work() hold read access to the workqueue while executing a work and start_flush_work() check for write access if concurrnecy level is one or the workqueue has a rescuer (as only one execution resource - the rescuer - is guaranteed to be available under memory pressure), and read access if higher. This better represents what's going on and removes spurious lockdep warnings which are triggered by fake dependency chain created through flush_work(). * Peter pointed out that flushing another work from a WQ_MEM_RECLAIM wq breaks forward progress guarantee under memory pressure. Condition check accordingly updated. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: "Rafael J. Wysocki" <rjw@sisk.pl> Tested-by: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Peter Zijlstra <peterz@infradead.org> Cc: stable@kernel.org
2011-01-11Merge branches 'sh/memchunk' and 'common/mmcif' into sh-latestPaul Mundt
2011-01-10Merge branch 'drm-core-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (390 commits) drm/radeon/kms: disable underscan by default drm/radeon/kms: only enable hdmi features if the monitor supports audio drm: Restore the old_fb upon modeset failure drm/nouveau: fix hwmon device binding radeon: consolidate asic-specific function decls for pre-r600 vga_switcheroo: comparing too few characters in strncmp() drm/radeon/kms: add NI pci ids drm/radeon/kms: don't enable pcie gen2 on NI yet drm/radeon/kms: add radeon_asic struct for NI asics drm/radeon/kms/ni: load default sclk/mclk/vddc at pm init drm/radeon/kms: add ucode loader for NI drm/radeon/kms: add support for DCE5 display LUTs drm/radeon/kms: add ni_reg.h drm/radeon/kms: add bo blit support for NI drm/radeon/kms: always use writeback/events for fences on NI drm/radeon/kms: adjust default clock/vddc tracking for pm on DCE5 drm/radeon/kms: add backend map workaround for barts drm/radeon/kms: fill gpu init for NI asics drm/radeon/kms: add disabled vbios accessor for NI asics drm/radeon/kms: handle NI thermal controller ...
2011-01-10Merge branch 'i2c-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging * 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: i2c: Constify i2c_client where possible i2c-algo-bit: Complain about masters which can't read SCL i2c-algo-bit: Refactor adapter registration i2c: Add generic I2C multiplexer using GPIO API i2c-nforce2: Remove unnecessary cast of pci_get_drvdata i2c-i801: Include <linux/slab.h>
2011-01-10Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (52 commits) Blackfin: encode cpu-rev into uImage name Blackfin: bf54x: don't ack GPIO ints when unmasking them Blackfin: sram_free_with_lsl: do not ignore return value of sram_free Blackfin: boards: add missing "static" to peripheral lists Blackfin: DNP5370: new board port Blackfin: bf518f-ezbrd: fix dsa resources Blackfin: move "-m elf32bfin" to general LDFLAGS Blackfin: kgdb_test: make sure to initialize num2 Blackfin: kgdb: disable preempt schedule when running single step in kgdb Blackfin: kgdb: disable interrupt when single stepping in ADEOS Blackfin: SMP: kgdb: apply anomaly 257 work around Blackfin: fix building IPIPE code when XIP is enabled Blackfin: SMP: kgdb: flush core internal write buffer before flushinv Blackfin: sport_uart resources: remove unused secondary RX/TX pins Blackfin: tll6527m: fix spelling in unused code (struct name) Blackfin: bf527-ezkit: add adau1373 chip address Blackfin: no-mpu: fix masking of small uncached dma region Blackfin: pm: drop irq save/restore in standby and suspend to mem callback MAINTAINERS: update Analog Devices support info Blackfin: dpmc.h: pull in new pll.h ...