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2015-02-03pnfs: fail comparison when bucket verifier not setWeston Andros Adamson1-1/+5
This skips the WARN_ON_ONCE, but doesnt change behavior (the memcmp would fail). Signed-off-by: Weston Andros Adamson <dros@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs: mirroring support for direct ioWeston Andros Adamson1-14/+57
The current mirroring code only notices short writes to the first mirror. This patch keeps per-mirror byte counts and only considers a byte to be written once all mirrors report so. Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
2015-02-03nfs: add mirroring support to pgio layerWeston Andros Adamson9-67/+311
This patch adds mirrored write support to the pgio layer. The default is to use one mirror, but pgio callers may define callbacks to change this to any value up to the (arbitrarily selected) limit of 16. The basic idea is to break out members of nfs_pageio_descriptor that cannot be shared between mirrored DSes and put them in a new structure. Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
2015-02-03pnfs: pass ds_commit_idx through the commit pathWeston Andros Adamson6-17/+24
Pass ds_commit_idx through the nfs commit path. It's used to select the commit bucket when using pnfs and is ignored when not using pnfs. Several functions had to be changed: nfs_retry_commit, nfs_mark_request_commit, pnfs_mark_request_commit and the pnfs layout driver .mark_request_commit functions. Signed-off-by: Tom Haynes <loghyr@primarydata.com>
2015-02-03nfs: rename pgio header ds_idx to ds_commit_idxWeston Andros Adamson3-11/+9
'ds_commit_idx' is a better name - it is used to select the right commit bucket for pnfs. Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
2015-02-03nfs: handle overlapping reqs in lock_and_joinWeston Andros Adamson1-6/+11
This is needed for mirrored DS support, where multuple requests cover the same range. Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
2015-02-03pnfs: release lseg in pnfs_generic_pg_cleanupWeston Andros Adamson5-18/+21
This is needed to support mirrored writes - the first write can't just trash the lseg, we need to keep it around until all mirrors have written. Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
2015-02-03nfs: introduce pg_cleanup op for pgio descriptorsWeston Andros Adamson2-1/+5
Add a new operation to nfs_pageio_ops that is called on nfs_pageio_complete. Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
2015-02-03nfs/filelayout: use pnfs_error_mark_layout_for_returnPeng Tao2-11/+1
Instead of calling layoutreturn directly, call pnfs_error_mark_layout_for_return to mark layouts for return and let generic code return layout when layout segments are freed. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com> Conflicts: fs/nfs/filelayout/filelayout.c
2015-02-03nfs41: clear NFS_LAYOUT_RETURN if layoutreturn is sent or failed to sendPeng Tao2-0/+6
So that pnfs path is not disabled for ever. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs41: send layoutreturn in last put_lsegPeng Tao1-1/+37
If current lseg is the last lseg marked with NFS_LSEG_LAYOUTRETURN, send layoutreturn. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs41: don't use a layout if it is marked for returningPeng Tao3-5/+20
And if we are to return the same type of layouts, don't bother sending more layoutgets. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs41: add a helper to mark layout for returnPeng Tao2-0/+59
It marks all matching layout segments as NFS_LSEG_LAYOUTRETURN, which is an indicator for pnfs_put_lseg() to send layoutreturn, and also prevents pnfs_update_layout() from using the returning segments. Once it is set, it never gets cleared. It also sets proper io failure bit so that pnfs path can be retried after PNFS_LAYOUTGET_RETRY_TIMEOUT second. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs41: make a helper function to send layoutreturnPeng Tao1-20/+33
It allows to specify different iomode to return. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs41: pass iomode through layoutreturn argsPeng Tao3-1/+3
So that it is possible to return a specific iomode layouts. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs: save server READ/WRITE/COMMIT statusPeng Tao4-3/+15
Flexfiles layout would want to use them to report DS IO status. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs41: serialize first layoutget of a filePeng Tao2-4/+32
Per RFC 5661 Errata 3208: | A client MAY always forget its layout state and associated | layout stateid at any time (See also section 12.5.5.1). | In such case, the client MUST use a non-layout stateid for the next | LAYOUTGET operation. This will signal the server that the client has | no more layouts on the file and its respective layout state can be | released before issuing a new layout in response to LAYOUTGET. In order to make such a signal unique to server, client needs to serialize all layoutgets using non-layout stateid. We implement this by serializing layoutgets when client has no layout segments at hand. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs41: close a small race window when adding new layout to global listPeng Tao1-5/+3
Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs/flexclient: export pnfs_layoutcommit_inodePeng Tao1-0/+1
flexfiles needs to start layoutcommit when necessary Signed-off-by: Peng Tao <tao.peng@primarydata.com>
2015-02-03nfs: set hostname when creating nfsv3 ds connectionPeng Tao1-0/+7
lockd assumes hostname exists otherwise kernel oops. It can be reproduced by following steps: 1. mount flexfile MDS 2. write some files 3. mount DS via nfsv3 BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffff8134f332>] strlen+0x2/0x20 PGD 0 Oops: 0000 [#1] SMP Modules linked in: nfsd(F) nfs_layout_flexfiles(F) rpcsec_gss_krb5(F) auth_rpcgss(F) nfsv4(F) dns_resolver(F) nfsv3(F) nfs_acl(F) nfs(F) lockd(F) sunrpc(F) fscache(F) ebtable_nat(F) nf_conntrack_netbios_ns(F) nf_conntrack_broadcast(F) ipt_MASQUERADE(F) ip6table_nat(F) nf_nat_ipv6(F) ip6table_mangle(F) ip6t_REJECT(F) nf_conntrack_ipv6(F) nf_defrag_ipv6(F) iptable_nat(F) nf_nat_ipv4(F) nf_nat(F) iptable_mangle(F) nf_conntrack_ipv4(F) nf_defrag_ipv4(F) xt_conntrack(F) nf_conntrack(F) ebtable_filter(F) ebtables(F) ip6table_filter(F) ip6_tables(F) bnep(F) snd_ens1371(F) snd_rawmidi(F) snd_ac97_codec(F) btusb(F) ac97_bus(F) snd_seq(F) snd_seq_device(F) snd_pcm(F) ppdev(F) bluetooth(F) 6lowpan_iphc(F) rfkill(F) vmw_balloon(F) snd_timer(F) snd(F) soundcore(F) gameport(F) i2c_piix4(F) e1000(F) vmw_vmci(F) parport_pc(F) parport(F) shpchp(F) uinput(F) xfs(F) libcrc32c(F) vmwgfx(F) ttm(F) drm(F) mptspi(F) scsi_transport_spi(F) mptscsih(F) mptbase(F) i2c_core(F) CPU: 0 PID: 10397 Comm: mount.nfs Tainted: GF 3.14.7-100.pd_client.001.fc16.x86_64 #1 Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/31/2013 task: ffff880008942600 ti: ffff880007990000 task.ti: ffff880007990000 RIP: 0010:[<ffffffff8134f332>] [<ffffffff8134f332>] strlen+0x2/0x20 RSP: 0018:ffff880007991aa0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff880038d39c20 RCX: 0000000000000004 RDX: 0000000000000006 RSI: 0000000000000010 RDI: 0000000000000000 RBP: ffff880007991b38 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000014600 R11: 0000000000000400 R12: ffffffff81cc8580 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000004 FS: 00007f90cd2ef880(0000) GS:ffff88003f600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000001710000 CR4: 00000000001407f0 Stack: ffffffffa045f52c ffff880001782230 ffff880004141e28 0006880007991ac8 ffffffff816dc14b ffff880000000000 ffff880038d39c20 0000000000000010 0000000481cc0006 0000000000000000 ffffffffa0410be8 000000000000c014 Call Trace: [<ffffffffa045f52c>] ? nlmclnt_lookup_host+0x4c/0x2c0 [lockd] [<ffffffff816dc14b>] ? _raw_spin_unlock_bh+0x1b/0x20 [<ffffffffa0410be8>] ? svc_destroy+0xb8/0x140 [sunrpc] [<ffffffffa045c323>] nlmclnt_init+0x53/0xc0 [lockd] [<ffffffffa047d2dc>] ? nfs_get_client+0x1cc/0x340 [nfs] [<ffffffffa047c2e7>] nfs_start_lockd+0xa7/0xd0 [nfs] [<ffffffffa047df71>] nfs_create_server+0x181/0x5c0 [nfs] [<ffffffffa04460f3>] nfs3_create_server+0x13/0x30 [nfsv3] [<ffffffffa048a0bc>] nfs_try_mount+0x21c/0x300 [nfs] [<ffffffff811ca32d>] ? __kmalloc_track_caller+0x1ad/0x240 [<ffffffffa048b677>] ? nfs_fs_mount+0xc37/0xd80 [nfs] [<ffffffffa048ad05>] nfs_fs_mount+0x2c5/0xd80 [nfs] [<ffffffffa048a830>] ? nfs_clone_super+0x140/0x140 [nfs] [<ffffffffa048a240>] ? nfs_clone_sb_security+0x40/0x40 [nfs] [<ffffffff811e7e43>] mount_fs+0x43/0x1b0 [<ffffffff81193100>] ? __alloc_percpu+0x10/0x20 [<ffffffff812026e6>] vfs_kern_mount+0x76/0x120 [<ffffffff81204917>] do_mount+0x237/0xa80 Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-02-03sunrpc: add rpc_count_iostats_idxWeston Andros Adamson2-7/+21
Add a call to tally stats for a task under a different statsidx than what's contained in the task structure. This is needed to properly account for pnfs reads/writes when the DS nfs version != the MDS version. Signed-off-by: Weston Andros Adamson <dros@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03NFSv4.1/NFSv3: Add pNFS callbacks for nfs3_(read|write|commit)_done()Trond Myklebust1-0/+9
Enable pNFS callbacks to allow flex files to work correctly with a NFSv3-enabled data server. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-02-03nfs: allow to specify cred in nfs_initiate_pgioPeng Tao3-11/+14
so that flexfile layout client can pass in DS credential instead of using user cred, which will be done in the next patch. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs4: export nfs4_sequence_donePeng Tao2-4/+7
Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs4: pass slot table to nfs40_setup_sequencePeng Tao2-11/+17
flexclient needs this as there is no nfs_server to DS connection. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs: allow different protocol in nfs_initiate_commitPeng Tao4-4/+7
pnfs flexfile layout client may want to use NFSv3 ops rather than the default MDS v4 ops. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03pnfs: Add nfs_rpc_ops in calls to nfs_initiate_pgioTom Haynes6-8/+13
Signed-off-by: Tom Haynes <loghyr@primarydata.com>
2015-02-03nfs41: create NFSv3 DS connection if specifiedPeng Tao3-5/+93
Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs41: allow LD to choose DS connection version/minor_versionPeng Tao5-8/+14
flexfile layout may need to set such when making DS connections. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfsv3: introduce nfs3_set_ds_clientPeng Tao5-5/+46
The flexfiles layout wants to create DS connection over NFSv3. Add nfs3_set_ds_client to allow that to happen. Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs41: move file layout macros to generic pnfsPeng Tao2-10/+11
They can be reused by flexfile layout as well. Also add a code such that if read fails on one DS and there are other DSes available to use, don't resend through MDS but through pNFS so that client can read from other DSes. Reviewed-by: Jeff Layton <jlayton@primarydata.com> Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs41: allow LD to choose DS connection auth flavorPeng Tao5-9/+14
flexfile layout may use different auth flavor as specified by MDS. Reviewed-by: Jeff Layton <jlayton@primarydata.com> Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs41: pull nfs4_ds_connect from file layout to generic pnfsPeng Tao3-73/+89
It can be reused by flexfiles layout client. Reviewed-by: Jeff Layton <jlayton@primarydata.com> Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs41: pull decode_ds_addr from file layout to generic pnfsPeng Tao3-150/+154
It can be reused by flexfile layout. Reviewed-by: Jeff Layton <jlayton@primarydata.com> Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03nfs41: pull data server cache from file layout to generic pnfsPeng Tao4-252/+265
Also pull nfs4_pnfs_ds_addr and nfs4_pnfs_ds to generic pnfs. They can all be reused by flexfile layout as well. Reviewed-by: Jeff Layton <jlayton@primarydata.com> Signed-off-by: Peng Tao <tao.peng@primarydata.com> Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03pnfs: Do not grab the commit_info lock twice when rescheduling writesTom Haynes3-26/+23
Acked-by: Jeff Layton <jlayton@primarydata.com> Signed-off-by: Tom Haynes <loghyr@primarydata.com>
2015-02-03pnfs: Prepare for flexfiles by pulling out common codeTom Haynes6-290/+330
The flexfilelayout driver will share some common code with the filelayout driver. This set of changes refactors that common code out to avoid any module depenencies. Signed-off-by: Tom Haynes <loghyr@primarydata.com>
2015-01-18Linux 3.19-rc5v3.19-rc5Linus Torvalds1-1/+1
2015-01-18Merge tag 'armsoc-for-linus' of ↵Linus Torvalds32-80/+272
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "We've been sitting on our fixes branch for a while, so this batch is unfortunately on the large side. A lot of these are tweaks and fixes to device trees, fixing various bugs around clocks, reg ranges, etc. There's also a few defconfig updates (which are on the late side, no more of those). All in all the diffstat is bigger than ideal at this time, but nothing in here seems particularly risky" * tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (31 commits) reset: sunxi: fix spinlock initialization ARM: dts: disable CCI on exynos5420 based arndale-octa drivers: bus: check cci device tree node status ARM: rockchip: disable jtag/sdmmc autoswitching on rk3288 ARM: nomadik: fix up leftover device tree pins ARM: at91: board-dt-sama5: add phy_fixup to override NAND_Tree ARM: at91/dt: sam9263: Add missing clocks to lcdc node ARM: at91: sama5d3: dt: correct the sound route ARM: at91/dt: sama5d4: fix the timer reg length ARM: exynos_defconfig: Enable LM90 driver ARM: exynos_defconfig: Enable options for display panel support arm: dts: Use pmu_system_controller phandle for dp phy ARM: shmobile: sh73a0 legacy: Set .control_parent for all irqpin instances ARM: dts: berlin: correct BG2Q's SM GPIO location. ARM: dts: berlin: add broken-cd and set bus width for eMMC in Marvell DMP DT ARM: dts: berlin: fix io clk and add missing core clk for BG2Q sdhci2 host ARM: dts: Revert disabling of smc91x for n900 ARM: dts: imx51-babbage: Fix ULPI PHY reset modelling ARM: dts: dra7-evm: fix qspi device tree partition size ARM: omap2plus_defconfig: use CONFIG_CPUFREQ_DT ...
2015-01-18Merge tag 'clk-fixes-for-linus' of ↵Linus Torvalds7-28/+69
git://git.linaro.org/people/mike.turquette/linux Pull clock driver fixes from Mike Turquette: "Small number of fixes for clock drivers and a single null pointer dereference fix in the framework core code. The driver fixes vary from fixing section mismatch warnings to preventing machines from hanging (and preventing developers from crying)" * tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux: clk: fix possible null pointer dereference Revert "clk: ppc-corenet: Fix Section mismatch warning" clk: rockchip: fix deadlock possibility in cpuclk clk: berlin: bg2q: remove non-exist "smemc" gate clock clk: at91: keep slow clk enabled to prevent system hang clk: rockchip: fix rk3288 cpuclk core dividers clk: rockchip: fix rk3066 pll lock bit location clk: rockchip: Fix clock gate for rk3188 hclk_emem_peri clk: rockchip: add CLK_IGNORE_UNUSED flag to fix rk3066/rk3188 USB Host
2015-01-18Merge tag 'scsi-fixes' of ↵Linus Torvalds2-4/+2
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "This is one fix for a Multiqueue sleeping in invalid context problem and a MAINTAINER file update for Qlogic" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: ->queue_rq can't sleep MAINTAINERS: Update maintainer list for qla4xxx
2015-01-17clk: fix possible null pointer dereferenceStanimir Varbanov1-1/+1
The commit 646cafc6 (clk: Change clk_ops->determine_rate to return a clk_hw as the best parent) opens a possibility for null pointer dereference, fix this. Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-01-17Revert "clk: ppc-corenet: Fix Section mismatch warning"Kevin Hao1-1/+1
This reverts commit da788acb28386aa896224e784954bb73c99ff26c. That commit tried to fix the section mismatch warning by moving the ppc_corenet_clk_driver struct to init section. This is definitely wrong because the kernel would free the memories occupied by this struct after boot while this driver is still registered in the driver core. The kernel would panic when accessing this driver struct. Cc: stable@vger.kernel.org # 3.17 Signed-off-by: Kevin Hao <haokexin@gmail.com> Acked-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-01-17clk: rockchip: fix deadlock possibility in cpuclkHeiko Stübner1-4/+6
Lockdep reported a possible deadlock between the cpuclk lock and for example the i2c driver. CPU0 CPU1 ---- ---- lock(clk_lock); local_irq_disable(); lock(&(&i2c->lock)->rlock); lock(clk_lock); <Interrupt> lock(&(&i2c->lock)->rlock); *** DEADLOCK *** The generic clock-types of the core ccf already use spin_lock_irqsave when touching clock registers, so do the same for the cpuclk. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Michael Turquette <mturquette@linaro.org> [mturquette@linaro.org: removed initialization of "flags"]
2015-01-18Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds3-3/+6
Pull dmaengine fixes from Vinod Koul: "Two patches, the first by Andy to fix dw dmac runtime pm and second one by me to fix the dmaengine headers in MAINTAINERS" * 'fixes' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: dw: balance PM runtime calls MAINTAINERS: dmaengine: fix the header file for dmaengine
2015-01-18Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds26-96/+165
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Mostly tooling fixes, but also two PMU driver fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf tools powerpc: Use dwfl_report_elf() instead of offline. perf tools: Fix segfault for symbol annotation on TUI perf test: Fix dwarf unwind using libunwind. perf tools: Avoid build splat for syscall numbers with uclibc perf tools: Elide strlcpy warning with uclibc perf tools: Fix statfs.f_type data type mismatch build error with uclibc tools: Remove bitops/hweight usage of bits in tools/perf perf machine: Fix __machine__findnew_thread() error path perf tools: Fix building error in x86_64 when dwarf unwind is on perf probe: Propagate error code when write(2) failed perf/x86/intel: Fix bug for "cycles:p" and "cycles:pp" on SLM perf/rapl: Fix sysfs_show() initialization for RAPL PMU
2015-01-17Merge tag 'perf-urgent-for-mingo' of ↵Ingo Molnar24-82/+131
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent Pull perf/urgent fixes from Arnaldo Carvalho de Melo: - Fix segfault when using both the map symtab viewer and annotation in the TUI (Namhyung Kim). - uClibc build fixes (Alexey Brodkin, Vineet Gupta). - bitops/hweight were moved from tools/perf/ too tools/include, move some leftovers (Arnaldo Carvalho de Melo) - Fix dwarf unwind x86_64 build error (Namhyung Kim) - Fix __machine__findnew_thread() error path (Namhyung Kim) - Propagate error code when write(2) failed in 'perf probe' (Namhyung Kim) - Use dwfl_report_elf() instead of offline in powerpc bits to properly handle non prelinked DSOs (Sukadev Bhattiprolu). - Fix dwarf unwind using libunwind in 'perf test' (Wang Nan) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-01-16Merge tag 'samsung-fixes-3.19' of ↵Olof Johansson3-4/+20
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes Merge "Samsung fixes for v3.19" from Kukjin Kim: Samsung fixes for v3.19 - exynos_defconfig: enable LM90 driver and display panel support - HWMON - SENSORS_LM90 - Direct Rendering Manager (DRM) - DRM bridge registration and lookup framework - Parade ps8622/ps8625 eDP/LVDS bridge - NXP ptn3460 eDP/LVDS bridge - Exynos Fully Interactive Mobile Display controller (FIMD) - Panel registration and lookup framework - Simple panels - Backlight & LCD device support - use pmu_system_controller phandle for dp phy : DP PHY requires pmu_system_controller to handle PMU reg. now * tag 'samsung-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: exynos_defconfig: Enable LM90 driver ARM: exynos_defconfig: Enable options for display panel support arm: dts: Use pmu_system_controller phandle for dp phy Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-16reset: sunxi: fix spinlock initializationTyler Baker1-0/+4
Call spin_lock_init() before the spinlocks are used, both in early init and probe functions preventing a lockdep splat. I have been observing lockdep complaining [1] during boot on my a80 optimus [2] when CONFIG_PROVE_LOCKING has been enabled. This patch resolves the splat, and has been tested on a few other sunxi platforms without issue. [1] http://storage.kernelci.org/next/next-20150107/arm-multi_v7_defconfig+CONFIG_PROVE_LOCKING=y/lab-tbaker/boot-sun9i-a80-optimus.html [2] http://kernelci.org/boot/?a80-optimus Signed-off-by: Tyler Baker <tyler.baker@linaro.org> Cc: <stable@vger.kernel.org> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-16Merge tag 'renesas-soc-fixes-for-v3.19' of ↵Olof Johansson2-0/+10
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes Merge "Renesas ARM Based SoC Fixes for v3.19" from Simon Horman: Renesas ARM Based SoC Fixes for v3.19 This pull request is based on the last round of SoC updates for v3.19, Fourth Round of Renesas ARM Based SoC Updates for v3.19, tagged as renesas-soc3-for-v3.19, merged into your next/soc branch and included in v3.19-rc1. - ARM: shmobile: r8a7740: Instantiate GIC from C board code in legacy builds Set .control_parent for all irqpin instances for sh73a0 SoC when booting using legacy C. - ARM: shmobile: r8a7740: Instantiate GIC from C board code in legacy builds This fixes a long standing problem which has been present since the sh73a0 SoC started using the INTC External IRQ pin driver. The patch that introduced the problem is 341eb5465f67437a ("ARM: shmobile: INTC External IRQ pin driver on sh73a0") which was included in v3.10. * tag 'renesas-soc-fixes-for-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: sh73a0 legacy: Set .control_parent for all irqpin instances ARM: shmobile: r8a7740: Instantiate GIC from C board code in legacy builds
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