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2015-11-10Merge tag 'fbdev-4.4' of ↵Linus Torvalds12-192/+506
git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux Pull fbdev updates from Tomi Valkeinen: - omap: fix hdmi audio configuration issue - ssd1307fb: add ssd1309 support - tridentfb: support DDC - gxt4500: enable support for non-PPC platforms * tag 'fbdev-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: radeonfb: Deinline large functions gxt4500: enable panning gxt4500: Use arch_phys_wc_* for framebuffer gxt4500: fix color order gxt4500: fix 16bpp 565 mode gxt4500: enable on non-PPC architectures tridentfb: Add DDC support fb_ddc: Allow I2C adapters without SCL read capability fbdev: ssd1307fb: add ssd1309 support fbdev: ssd1307fb: alphabetize headers video/omap: remove invalid check OMAPDSS: hdmi: Reconfigure and restart audio when display is enabled
2015-11-10Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds468-9797/+53338
Pull drm updates from Dave Airlie: "I Was Almost Tempted To Capitalise Every Word, but then I decided I couldn't read it myself! I've also got one pull request for the sti driver outstanding. It relied on a commit in Greg's tree and I didn't find out in time, that commit is in your tree now so I might send that along once this is merged. I also had the accidental misfortune to have access to a Skylake on my desk for a few days, and I've had to encourage Intel to try harder, which seems to be happening now. Here is the main drm-next pull request for 4.4. Highlights: New driver: vc4 driver for the Rasberry Pi VPU. (From Eric Anholt at Broadcom.) Core: Atomic fbdev support Atomic helpers for runtime pm dp/aux i2c STATUS_UPDATE handling struct_mutex usage cleanups. Generic of probing support. Documentation: Kerneldoc for VGA switcheroo code. Rename to gpu instead of drm to reflect scope. i915: Skylake GuC firmware fixes HPD A support VBT backlight fallbacks Fastboot by default for some systems FBC work BXT/SKL workarounds Skylake deeper sleep state fixes amdgpu: Enable GPU scheduler by default New atombios opcodes GPUVM debugging options Stoney support. Fencing cleanups. radeon: More efficient CS checking nouveau: gk20a instance memory handling improvements. Improved PGOB detection and GK107 support Kepler GDDR5 PLL statbility improvement G8x/GT2xx reclock improvements new userspace API compatiblity fixes. virtio-gpu: Add 3D support - qemu 2.5 has it merged for it's gtk backend. msm: Initial msm88896 (snapdragon 8200) exynos: HDMI cleanups Enable mixer driver byt default Add DECON-TV support vmwgfx: Move to using memremap + fixes. rcar-du: Add support for R8A7793/4 DU armada: Remove support for non-component mode Improved plane handling Power savings while in DPMS off. tda998x: Remove unused slave encoder support Use more HDMI helpers Fix EDID read handling dwhdmi: Interlace video mode support for ipu-v3/dw_hdmi Hotplug state fixes Audio driver integration imx: More color formats support. tegra: Minor fixes/improvements" [ Merge fixup: remove unused variable 'dev' that had all uses removed in commit 4e270f088011: "drm/gem: Drop struct_mutex requirement from drm_gem_mmap_obj" ] * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (764 commits) drm/vmwgfx: Relax irq locking somewhat drm/vmwgfx: Properly flush cursor updates and page-flips drm/i915/skl: disable display side power well support for now drm/i915: Extend DSL readout fix to BDW and SKL. drm/i915: Do graphics device reset under forcewake drm/i915: Skip fence installation for objects with rotated views (v4) vga_switcheroo: Drop client power state VGA_SWITCHEROO_INIT drm/amdgpu: group together common fence implementation drm/amdgpu: remove AMDGPU_FENCE_OWNER_MOVE drm/amdgpu: remove now unused fence functions drm/amdgpu: fix fence fallback check drm/amdgpu: fix stoping the scheduler timeout drm/amdgpu: cleanup on error in amdgpu_cs_ioctl() drm/i915: Fix locking around GuC firmware load drm/amdgpu: update Fiji's Golden setting drm/amdgpu: update Fiji's rev id drm/amdgpu: extract common code in vi_common_early_init drm/amd/scheduler: don't oops on failure to load drm/amdgpu: don't oops on failure to load (v2) drm/amdgpu: don't VT switch on suspend ...
2015-11-10direct-io: be sure to assign dio->bio_bdev for both pathsJens Axboe1-3/+3
btrfs sets ->submit_io(), and we failed to set the block dev for that path. That resulted in a potential NULL dereference when we later wait for IO in dio_await_one(). Reported-by: kernel test robot <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
2015-11-10pwm: sunxi: Fix whitespace issueOlliver Schinagl1-1/+1
This patch changes no code, it just fixes the whitespacing. Operators should be separated from operands by a single space. Signed-off-by: Olliver Schinagl <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
2015-11-10pwm: sysfs: Make use of the DEVICE_ATTR_[RW][WO] macro'sOlliver Schinagl1-36/+36
For the npwm property the PWM sysfs interface already made use of the DEVICE_ATTR_RO macro. This patch expands this to the other sysfs properties so that the code base is concise and makes use of this helpful macro. This has the advantage of slightly reducing the code size, improving readability and no longer using magic values for permissions. Signed-off-by: Olliver Schinagl <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
2015-11-10pwm: sysfs: Remove unnecessary temporary variableOlliver Schinagl1-2/+1
Use the result of pwm_is_enabled() directly instead of storing it in a temporary variable. Signed-off-by: Olliver Schinagl <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
2015-11-10unicore32: nb0916: Use PWM lookup tableThierry Reding1-2/+8
Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Guan Xuetao <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
2015-11-10pwm: pwm-rcar: Revise the device tree binding document about compatibleYoshihiro Shimoda1-2/+1
The compatible should be "renesas,pwm-rcar", and one the the SoC specific string. So, this patch revises the documentation. Reported-by: Rob Herring <[email protected]> Signed-off-by: Yoshihiro Shimoda <[email protected]> Acked-by: Rob Herring <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
2015-11-10pwm: Return -ENODEV if no PWM lookup match is foundThierry Reding1-1/+3
When looking up a PWM using the lookup table, assume that all entries will have been added already, so failure to find a match means that no corresponding entry has been registered. This fixes an issue where -EPROBE_DEFER would be returned if the PWM lookup table is empty. After this fix, -EPROBE_DEFER is reserved for situations where no provider has yet registered for a matching entry. Signed-off-by: Thierry Reding <[email protected]>
2015-11-10pwm: sun4i: Add support for PWM controller on sun5i SoCsHans de Goede2-2/+25
The PWM controller on sun5i SoCs is identical to the one found on sun7i SoCs. On the A13 package only one of the 2 pins is routed to the outside, so only advertise one PWM channel there. Signed-off-by: Hans de Goede <[email protected]> Acked-by: Maxime Ripard <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
2015-11-10pwm: Set enable state properly on failed call to enableJonathan Richardson2-7/+29
The pwm_enable() function didn't clear the enabled bit if a call to the driver's ->enable() callback returned an error. The result was that the state of the PWM core was wrong. Clearing the bit when enable returns an error ensures the state is properly set. Tested-by: Jonathan Richardson <[email protected]> Reviewed-by: Dmitry Torokhov <[email protected]> Signed-off-by: Jonathan Richardson <[email protected]> [[email protected]: add missing kerneldoc for the lock] Signed-off-by: Thierry Reding <[email protected]>
2015-11-09Merge branch 'akpm' (patches from Andrew)Linus Torvalds61-221/+104
Merge third patch-bomb from Andrew Morton: "We're pretty much done over here - I'm still waiting for a nouveau merge so I can cleanly finish up Christoph's dma-mapping rework. - bunch of small misc stuff - fold abs64() into abs(), remove abs64() - new_valid_dev() cleanups - binfmt_elf_fdpic feature work" * emailed patches from Andrew Morton <[email protected]>: (24 commits) fs/binfmt_elf_fdpic.c: provide NOMMU loader for regular ELF binaries fs/stat.c: remove unnecessary new_valid_dev() check fs/reiserfs/namei.c: remove unnecessary new_valid_dev() check fs/nilfs2/namei.c: remove unnecessary new_valid_dev() check fs/ncpfs/dir.c: remove unnecessary new_valid_dev() check fs/jfs: remove unnecessary new_valid_dev() checks fs/hpfs/namei.c: remove unnecessary new_valid_dev() check fs/f2fs/namei.c: remove unnecessary new_valid_dev() check fs/ext2/namei.c: remove unnecessary new_valid_dev() check fs/exofs/namei.c: remove unnecessary new_valid_dev() check fs/btrfs/inode.c: remove unnecessary new_valid_dev() check fs/9p: remove unnecessary new_valid_dev() checks include/linux/kdev_t.h: old/new_valid_dev() can return bool include/linux/kdev_t.h: remove unused huge_valid_dev() kmap_atomic_to_page() has no users, remove it drivers/scsi/cxgbi: fix build with EXTRA_CFLAGS dma: remove external references to dma_supported Documentation/sysctl/vm.txt: fix misleading code reference of overcommit_memory remove abs64() kernel.h: make abs() work with 64-bit types ...
2015-11-09net: fix a race in dst_release()Eric Dumazet1-1/+1
Only cpu seeing dst refcount going to 0 can safely dereference dst->flags. Otherwise an other cpu might already have freed the dst. Fixes: 27b75c95f10d ("net: avoid RCU for NOCACHE dst") Reported-by: Greg Thelen <[email protected]> Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-11-09net: mvneta: Fix memory use after free.Justin Maggard1-1/+1
After changing an interface's MTU, then bringing the interface down and back up again, I immediately saw tons of kernel messages like below. The reason for this bad behavior is mvneta_rxq_drop_pkts(), which calls dma_unmap_single() on already-freed memory. So we need to switch the order of those two operations. [ 152.388518] BUG: Bad page state in process ifconfig pfn:1b518 [ 152.388526] page:dff3dbc0 count:0 mapcount:0 mapping: (null) index:0x0 [ 152.395178] flags: 0x200(arch_1) [ 152.398441] page dumped because: PAGE_FLAGS_CHECK_AT_PREP flag set [ 152.398446] bad because of flags: [ 152.398450] flags: 0x200(arch_1) [ 152.401716] Modules linked in: [ 152.401728] CPU: 0 PID: 1453 Comm: ifconfig Tainted: P B O 4.1.12.armada.1 #1 [ 152.401733] Hardware name: Marvell Armada 370/XP (Device Tree) [ 152.401749] [<c0015b1c>] (unwind_backtrace) from [<c0011d8c>] (show_stack+0x10/0x14) [ 152.401762] [<c0011d8c>] (show_stack) from [<c06aa68c>] (dump_stack+0x74/0x90) [ 152.401772] [<c06aa68c>] (dump_stack) from [<c0096c08>] (bad_page+0xc4/0x124) [ 152.401783] [<c0096c08>] (bad_page) from [<c0099378>] (get_page_from_freelist+0x4e4/0x644) [ 152.401794] [<c0099378>] (get_page_from_freelist) from [<c0099620>] (__alloc_pages_nodemask+0x148/0x784) [ 152.401805] [<c0099620>] (__alloc_pages_nodemask) from [<c00ac658>] (kmalloc_order+0x10/0x20) [ 152.401818] [<c00ac658>] (kmalloc_order) from [<c04c6f44>] (mvneta_rx_refill+0xc4/0xe8) [ 152.401830] [<c04c6f44>] (mvneta_rx_refill) from [<c04c96c0>] (mvneta_setup_rxqs+0x298/0x39c) [ 152.401842] [<c04c96c0>] (mvneta_setup_rxqs) from [<c04c9904>] (mvneta_open+0x3c/0x150) [ 152.401853] [<c04c9904>] (mvneta_open) from [<c0597764>] (__dev_open+0xac/0x124) [ 152.401864] [<c0597764>] (__dev_open) from [<c05979e4>] (__dev_change_flags+0x8c/0x148) [ 152.401875] [<c05979e4>] (__dev_change_flags) from [<c0597ac0>] (dev_change_flags+0x18/0x48) [ 152.401886] [<c0597ac0>] (dev_change_flags) from [<c060d308>] (devinet_ioctl+0x620/0x6d0) [ 152.401897] [<c060d308>] (devinet_ioctl) from [<c057d810>] (sock_ioctl+0x64/0x288) [ 152.401908] [<c057d810>] (sock_ioctl) from [<c00dcb7c>] (do_vfs_ioctl+0x78/0x608) [ 152.401918] [<c00dcb7c>] (do_vfs_ioctl) from [<c00dd170>] (SyS_ioctl+0x64/0x74) [ 152.401930] [<c00dd170>] (SyS_ioctl) from [<c000f3a0>] (ret_fast_syscall+0x0/0x3c) Signed-off-by: Justin Maggard <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-11-09Merge tag 'nfs-for-4.4-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds44-597/+1687
Pull NFS client updates from Trond Myklebust: "Highlights include: New features: - RDMA client backchannel from Chuck - Support for NFSv4.2 file CLONE using the btrfs ioctl Bugfixes + cleanups: - Move socket data receive out of the bottom halves and into a workqueue - Refactor NFSv4 error handling so synchronous and asynchronous RPC handles errors identically. - Fix a panic when blocks or object layouts reads return a bad data length - Fix nfsroot so it can handle a 1024 byte long path. - Fix bad usage of page offset in bl_read_pagelist - Various NFSv4 callback cleanups+fixes - Fix GETATTR bitmap verification - Support hexadecimal number for sunrpc debug sysctl files" * tag 'nfs-for-4.4-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (53 commits) Sunrpc: Supports hexadecimal number for sysctl files of sunrpc debug nfs: Fix GETATTR bitmap verification nfs: Remove unused xdr page offsets in getacl/setacl arguments fs/nfs: remove unnecessary new_valid_dev check SUNRPC: fix variable type NFS: Enable client side NFSv4.1 backchannel to use other transports pNFS/flexfiles: Add support for FF_FLAGS_NO_IO_THRU_MDS pNFS/flexfiles: When mirrored, retry failed reads by switching mirrors SUNRPC: Remove the TCP-only restriction in bc_svc_process() svcrdma: Add backward direction service for RPC/RDMA transport xprtrdma: Handle incoming backward direction RPC calls xprtrdma: Add support for sending backward direction RPC replies xprtrdma: Pre-allocate Work Requests for backchannel xprtrdma: Pre-allocate backward rpc_rqst and send/receive buffers SUNRPC: Abstract backchannel operations xprtrdma: Saving IRQs no longer needed for rb_lock xprtrdma: Remove reply tasklet xprtrdma: Use workqueue to process RPC/RDMA replies xprtrdma: Replace send and receive arrays xprtrdma: Refactor reply handler error handling ...
2015-11-09Merge tag 'gfs2-merge-window' of ↵Linus Torvalds11-62/+73
git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 Pull gfs2 updates from Bob Peterson: "Here is a list of patches we've accumulated for GFS2 for the current upstream merge window. There are only six patches this time: 1. A cleanup patch from Andreas to remove the gl_spin #define in favor of its value for the sake of clarity. 2. A fix from Andy Price to mark the inode dirty during fallocate. 3. A fix from Andy Price to set s_mode on mount failures to prevent a stack trace. 4 A patch from me to prevent a kernel BUG() in trans_add_meta/trans_add_data due to uninitialized storage. 5. A patch from me to protecting our freeing of the in-core directory hash table to prevent double-free. 6. A fix for a page/block rounding problem that resulted in a metadata coherency problem when the block size != page size" I've got a lot more patches in various stages of review and testing, but I'm afraid they'll have to wait until the next merge window. So next time we're likely to have a lot more" * tag 'gfs2-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: GFS2: Fix rgrp end rounding problem for bsize < page size GFS2: Protect freeing directory hash table with i_lock spin_lock gfs2: Remove gl_spin define gfs2: Add missing else in trans_add_meta/data GFS2: Set s_mode before parsing mount options GFS2: fallocate: do not rely on file_update_time to mark the inode dirty
2015-11-09Merge branch 'for_linus' of ↵Linus Torvalds4-4/+104
git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull ext2 fix from Jan Kara: "Fix for DAX on ext2" * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: ext2: Add locking for DAX faults
2015-11-09Merge branch 'parisc-4.4-1' of ↵Linus Torvalds8-52/+44
git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull parisc updates from Helge Deller: "We have two patches in here: - The parisc uapi headers have been screwed up since quite some time. This patch fixes some bugs (e.g. endianess not respected in compat_semid64_ds) and cleans them up (e.g. uid_t was used instead of __kernel_uid_t) so that they can be used by userspace again. This patch has been reviewed by Arnd Bergmann and is scheduled for stable kernel series. - Drop the hpux_stat64 struct from stat.h, we do not support HP-UX binaries since kernel 4.0" * 'parisc-4.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Fixes and cleanups in kernel uapi header files parisc: Drop hpux_stat64 struct from stat.h header file
2015-11-09Merge tag 'nios2-v4.4-rc1' of ↵Linus Torvalds4-52/+1
git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2 Pull nios2 updates from Ley Foon Tan: - nios2: Remove unnecessary #ifdef guards - nios2: Switch to generic __xchg() - nios2: Fix unused variable warning * tag 'nios2-v4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2: nios2: Remove unnecessary #ifdef guards nios2: Switch to generic __xchg() nios2: Fix unused variable warning
2015-11-09Merge branch 'next/arm64' into next/dtOlof Johansson150-394/+938
Merging in the few patches I had kept separate from main next/dt, since others got merged here directly. * next/arm64: arm64: defconfig: Enable PCI generic host bridge by default arm64: Juno: Add support for the PCIe host bridge on Juno R1 Documentation: of: Document the bindings used by Juno R1 PCIe host bridge arm64: dts: mt8173: Add clocks for SCPSYS unit arm64: dts: mt8173: Add subsystem clock controller device nodes + Linux 4.3-rc5
2015-11-09Merge tag 'xtensa-20151108' of git://github.com/czankel/xtensa-linuxLinus Torvalds29-248/+1210
Pull xtensa updates from Chris Zankel: - fix remaining issues with noMMU cores - fix build for cores w/o cache or zero overhead loop options - fix boot of secondary cores in SMP configuration - add support for DMA to high memory pages - add dma_to_phys and phys_to_dma functions. * tag 'xtensa-20151108' of git://github.com/czankel/xtensa-linux: xtensa: implement dma_to_phys and phys_to_dma xtensa: support DMA to high memory Revert "xtensa: cache inquiry and unaligned cache handling functions" xtensa: drop unused sections and remapped reset handlers xtensa: fix secondary core boot in SMP xtensa: add FORCE_MAX_ZONEORDER to Kconfig xtensa: nommu: provide defconfig for de212 on kc705 xtensa: nommu: xtfpga: add kc705 DTS xtensa: add de212 core variant xtensa: nommu: select HAVE_FUTEX_CMPXCHG xtensa: nommu: fix default memory start address xtensa: nommu: provide correct KIO addresses xtensa: nommu: fix USER_RING definition xtensa: xtfpga: fix integer overflow in TASK_SIZE xtensa: fix build for configs without cache options xtensa: fixes for configs without loop option
2015-11-09Merge branch 'for-next' of ↵Linus Torvalds1-6/+1
git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu Pull m68knommu/coldfire fix from Greg Ungerer: "Only a single patch, fixes brk area setup problem in nommu environments" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: fs/binfmt_elf_fdpic.c: fix brk area overlap with stack on NOMMU
2015-11-09Merge tag 'modules-next-for-linus' of ↵Linus Torvalds4-15/+49
git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux Pull module updates from Rusty Russell: "Nothing exciting, minor tweaks and cleanups" * tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: scripts: [modpost] add new sections to white list modpost: Add flag -E for making section mismatches fatal params: don't ignore the rest of cmdline if parse_one() fails modpost: abort if a module symbol is too long
2015-11-09fs/binfmt_elf_fdpic.c: provide NOMMU loader for regular ELF binariesRich Felker1-8/+38
The ELF binary loader in binfmt_elf.c requires an MMU, making it impossible to use regular ELF binaries on NOMMU archs. However, the FDPIC ELF loader in binfmt_elf_fdpic.c is fully capable as a loader for plain ELF, which requires constant displacements between LOAD segments, since it already supports FDPIC ELF files flagged as needing constant displacement. This patch adjusts the FDPIC ELF loader to accept non-FDPIC ELF files on NOMMU archs. They are treated identically to FDPIC ELF files with the constant-displacement flag bit set, except for personality, which must match the ABI of the program being loaded; the PER_LINUX_FDPIC personality controls how the kernel interprets function pointers passed to sigaction. Files that do not set a stack size requirement explicitly are given a default stack size (matching the amount of committed stack the normal ELF loader for MMU archs would give them) rather than being rejected; this is necessary because plain ELF files generally do not declare stack requirements in theit program headers. Only ET_DYN (PIE) format ELF files are supported, since loading at a fixed virtual address is not possible on NOMMU. This patch was developed and tested on J2 (SH2-compatible) but should be usable immediately on all archs where binfmt_elf_fdpic is available. Moreover, by providing dummy definitions of the elf_check_fdpic() and elf_check_const_displacement() macros for archs which lack an FDPIC ABI, it should be possible to enable building of binfmt_elf_fdpic on all other NOMMU archs and thereby give them ELF binary support, but I have not yet tested this. The motivation for using binfmt_elf_fdpic.c rather than adapting binfmt_elf.c to NOMMU is that the former already has all the necessary code to work properly on NOMMU and has already received widespread real-world use and testing. I hope this is not controversial. I'm not really happy with having to unset the FDPIC_FUNCPTRS personality bit when loading non-FDPIC ELF. This bit should really reset automatically on execve, since otherwise, executing non-ELF binaries (e.g. bFLT) from an FDPIC process will leave the personality in the wrong state and severely break signal handling. But that's a separate, existing bug and I don't know the right place to fix it. Signed-off-by: Rich Felker <[email protected]> Acked-by: Greg Ungerer <[email protected]> Cc: Paul Gortmaker <[email protected]> Cc: Matt Mackall <[email protected]> Cc: David Woodhouse <[email protected]> Cc: Alexander Viro <[email protected]> Cc: David Howells <[email protected]> Cc: Oleg Endo <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09fs/stat.c: remove unnecessary new_valid_dev() checkYaowei Bai1-2/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <[email protected]> Cc: Alexander Viro <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09fs/reiserfs/namei.c: remove unnecessary new_valid_dev() checkYaowei Bai1-3/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <[email protected]> Cc: Alexander Viro <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09fs/nilfs2/namei.c: remove unnecessary new_valid_dev() checkYaowei Bai1-3/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <[email protected]> Cc: Alexander Viro <[email protected]> Acked-by: Ryusuke Konishi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09fs/ncpfs/dir.c: remove unnecessary new_valid_dev() checkYaowei Bai1-2/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <[email protected]> Cc: Alexander Viro <[email protected]> Cc: Petr Vandrovec <[email protected]> Cc: Jan Kara <[email protected]> Cc: Jens Axboe <[email protected]> Cc: Tejun Heo <[email protected]> Cc: Fabian Frederick <[email protected]> Cc: David Howells <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09fs/jfs: remove unnecessary new_valid_dev() checksYaowei Bai2-6/+0
new_valid_dev() always returns 1, so the !new_valid_dev() checks are not needed. Remove them. Signed-off-by: Yaowei Bai <[email protected]> Cc: Alexander Viro <[email protected]> Acked-by: Dave Kleikamp <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09fs/hpfs/namei.c: remove unnecessary new_valid_dev() checkYaowei Bai1-2/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <[email protected]> Cc: Alexander Viro <[email protected]> Cc: Mikulas Patocka <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09fs/f2fs/namei.c: remove unnecessary new_valid_dev() checkYaowei Bai1-3/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <[email protected]> Cc: Alexander Viro <[email protected]> Cc: Jaegeuk Kim <[email protected]> Cc: Changman Lee <[email protected]> Cc: Chao Yu <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09fs/ext2/namei.c: remove unnecessary new_valid_dev() checkYaowei Bai1-3/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <[email protected]> Cc: Alexander Viro <[email protected]> Cc: Jan Kara <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09fs/exofs/namei.c: remove unnecessary new_valid_dev() checkYaowei Bai1-3/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <[email protected]> Cc: Alexander Viro <[email protected]> Acked-by: Boaz Harrosh <[email protected]> Cc: Benny Halevy <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09fs/btrfs/inode.c: remove unnecessary new_valid_dev() checkYaowei Bai1-3/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <[email protected]> Cc: Alexander Viro <[email protected]> Cc: Chris Mason <[email protected]> Cc: Josef Bacik <[email protected]> Acked-by: David Sterba <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09fs/9p: remove unnecessary new_valid_dev() checksYaowei Bai2-6/+0
new_valid_dev() always returns 1, so the !new_valid_dev() check is not needed. Remove it. Signed-off-by: Yaowei Bai <[email protected]> Cc: Alexander Viro <[email protected]> Cc: Eric Van Hensbergen <[email protected]> Cc: Ron Minnich <[email protected]> Cc: Latchesar Ionkov <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09include/linux/kdev_t.h: old/new_valid_dev() can return boolYaowei Bai1-2/+2
Make old/new_valid_dev return bool due to these two particular functions only using either one or zero as their return value. No functional change. Signed-off-by: Yaowei Bai <[email protected]> Cc: Al Viro <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09include/linux/kdev_t.h: remove unused huge_valid_dev()Yaowei Bai1-5/+0
There's no user of huge_valid_dev() any more, so remove it. No functional change. Signed-off-by: Yaowei Bai <[email protected]> Cc: Al Viro <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09kmap_atomic_to_page() has no users, remove itNicolas Pitre16-103/+0
Removal started in commit 5bbeed12bdc3 ("sparc32: drop unused kmap_atomic_to_page"). Let's do it across the whole tree. Signed-off-by: Nicolas Pitre <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09drivers/scsi/cxgbi: fix build with EXTRA_CFLAGSJiri Slaby2-2/+2
EXTRA_CFLAGS are intended to be used on the command line, not by Kbuild. In case of cxgbi drivers, use of EXTRA_CFLAGS results in a compilation failure: drivers/scsi/cxgbi/cxgb4i/cxgb4i.c:24:21: fatal error: t4_regs.h: No such file or directory when building like: $ make drivers/scsi/cxgbi/ EXTRA_CFLAGS=-Wwhatever Use ccflags-y instead of EXTRA_CFLAGS. Signed-off-by: Jiri Slaby <[email protected]> Reviewed-by: Johannes Thumshirn <[email protected]> Cc: James Bottomley <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09dma: remove external references to dma_supportedChristoph Hellwig4-16/+3
Signed-off-by: Christoph Hellwig <[email protected]> Acked-by: Greg Kroah-Hartman <[email protected]> Cc: Alan Stern <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09Documentation/sysctl/vm.txt: fix misleading code reference of overcommit_memoryChun Chen1-1/+1
The origin document references to cap_vm_enough_memory is because cap_vm_enough_memory invoked __vm_enough_memory before and it no longer does now. Signed-off-by: Chun Chen <[email protected]> Acked-by: Michal Hocko <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09remove abs64()Andrew Morton13-19/+16
Switch everything to the new and more capable implementation of abs(). Mainly to give the new abs() a bit of a workout. Cc: Michal Nazarewicz <[email protected]> Cc: John Stultz <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Masami Hiramatsu <[email protected]> Cc: Peter Zijlstra <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09kernel.h: make abs() work with 64-bit typesMichal Nazarewicz1-21/+24
For 64-bit arguments, the abs macro casts it to an int which leads to lost precision and may cause incorrect results. To deal with 64-bit types abs64 macro has been introduced but still there are places where abs macro is used incorrectly. To deal with the problem, expand abs macro such that it operates on s64 type when dealing with 64-bit types while still returning long when dealing with smaller types. This fixes one known bug (per John): The internal clocksteering done for fine-grained error correction uses a : logarithmic approximation, so any time adjtimex() adjusts the clock : steering, timekeeping_freqadjust() quickly approximates the correct clock : frequency over a series of ticks. : : Unfortunately, the logic in timekeeping_freqadjust(), introduced in commit : dc491596f639438 (Rework frequency adjustments to work better w/ nohz), : used the abs() function with a s64 error value to calculate the size of : the approximated adjustment to be made. : : Per include/linux/kernel.h: "abs() should not be used for 64-bit types : (s64, u64, long long) - use abs64()". : : Thus on 32-bit platforms, this resulted in the clocksteering to take a : quite dampended random walk trying to converge on the proper frequency, : which caused the adjustments to be made much slower then intended (most : easily observed when large adjustments are made). Signed-off-by: Michal Nazarewicz <[email protected]> Reported-by: John Stultz <[email protected]> Tested-by: John Stultz <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Masami Hiramatsu <[email protected]> Cc: Peter Zijlstra <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09sparc/sparc64: allocate sys_membarrier system call numberMathieu Desnoyers3-4/+5
Signed-off-by: Mathieu Desnoyers <[email protected]> Acked-by: "David S. Miller" <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09mips: add entry for new mlock2 syscallEric B Munson5-6/+13
A previous commit introduced the new mlock2 syscall, add entries for the MIPS architecture. Signed-off-by: Eric B Munson <[email protected]> Acked-by: Ralf Baechle <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Geert Uytterhoeven <[email protected]> Cc: Guenter Roeck <[email protected]> Cc: Heiko Carstens <[email protected]> Cc: Jonathan Corbet <[email protected]> Cc: Kirill A. Shutemov <[email protected]> Cc: Michael Kerrisk <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Shuah Khan <[email protected]> Cc: Stephen Rothwell <[email protected]> Cc: Vlastimil Babka <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09fs/writeback.c: fix kernel-doc warningsRandy Dunlap1-1/+2
Fix kernel-doc warnings in fs/fs-writeback.c by moving a #define macro to after the function's opening brace. Also #undef this macro at the end of the function. ../fs/fs-writeback.c:1984: warning: Excess function parameter 'inode' description in 'I_DIRTY_INODE' ../fs/fs-writeback.c:1984: warning: Excess function parameter 'flags' description in 'I_DIRTY_INODE' Signed-off-by: Randy Dunlap <[email protected]> Cc: Al Viro <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-09fs/inode.c: fix kernel-doc warningRandy Dunlap1-0/+1
Fix kernel-doc warning in fs/inode.c: ../fs/inode.c:1606: warning: No description found for parameter 'inode' Signed-off-by: Randy Dunlap <[email protected]> Cc: Al Viro <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-11-10drm/vc4: Add dependency on HAVE_DMA_ATTRS, and select DRM_GEM_CMA_HELPERGuenter Roeck1-1/+2
Avoid the following build errors, seen with m68k:allmodconfig and other architectures which do not support HAVE_DMA_ATTRS. ERROR: "drm_gem_cma_create" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_prime_mmap" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_prime_get_sg_table" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_vm_ops" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_mmap" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_prime_vunmap" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_prime_import_sg_table" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_free_object" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_prime_vmap" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_dumb_map_offset" [drivers/gpu/drm/vc4/vc4.ko] undefined! ERROR: "drm_gem_cma_create" [drivers/gpu/drm/drm_kms_helper.ko] undefined! ERROR: "drm_gem_cma_describe" [drivers/gpu/drm/drm_kms_helper.ko] undefined! ERROR: "drm_gem_cma_free_object" [drivers/gpu/drm/drm_kms_helper.ko] undefined! Acked-by: Eric Anholt <[email protected]> Fixes: c8b75bca92cb ("drm/vc4: Add KMS support for Raspberry Pi.") Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2015-11-09MAINTAINERS: Change Meta arch port status to Odd FixesJames Hogan1-1/+1
For a while now the Meta architecture port has been supported with only odd fixes rather than any big new features, since it has now been effectively supersceded by MIPS, and there is no prospect of any new products being based on it. Change the maintenance status to Odd Fixes in order to reflect reality. Signed-off-by: James Hogan <[email protected]> Cc: [email protected]
2015-11-09coredump: add DAX filtering for FDPIC ELF coredumpsRoss Zwisler1-0/+15
Add explicit filtering for DAX mappings to FDPIC ELF coredump. This is useful because DAX mappings have the potential to be very large. This patch has only been compile tested. Signed-off-by: Ross Zwisler <[email protected]> Acked-by: Jeff Moyer <[email protected]> Signed-off-by: Dan Williams <[email protected]>
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