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2017-10-20serial: mvebu-uart: support probe of multiple portsAllen Yan1-3/+19
Until now, the mvebu-uart driver only supported probing a single UART port. However, some platforms have multiple instances of this UART controller, and therefore the driver should support multiple ports. In order to achieve this, we make sure to assign port->line properly, instead of hardcoding it to zero. Signed-off-by: Allen Yan <[email protected]> Signed-off-by: Miquel Raynal <[email protected]> Acked-by: Gregory CLEMENT <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-20serial: mvebu-uart: use driver name when requesting an interruptYehuda Yitschak1-3/+4
Use the driver name when requesting an interrupt for consistency. Avoids possible confusion with DW8250 driver interrupt names in /proc/interrupts. Signed-off-by: Yehuda Yitschak <[email protected]> Signed-off-by: Miquel Raynal <[email protected]> Reviewed-by: Gregory CLEMENT <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-20serial-uartlite: pr_err() strings should end with newlinesArvind Yadav1-1/+1
pr_err() messages should end with a new-line to avoid other messages being concatenated. Signed-off-by: Arvind Yadav <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-20serdev: enable TTY port controller support by defaultJohan Hovold1-0/+8
Amend the Serial device bus Kconfig entries to clarify that you most likely also want to enable TTY port controller support, and make SERIAL_DEV_CTRL_TTYPORT default to Y (when bus support is enabled). Note that the TTY port controller is currently the only in-kernel serdev controller implementation. Signed-off-by: Johan Hovold <[email protected]> Reviewed-by: Sebastian Reichel <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-20tty: amba-pl011: Convert timers to use timer_setup()Kees Cook1-5/+3
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Russell King <[email protected]> Cc: Jiri Slaby <[email protected]> Cc: [email protected] Signed-off-by: Kees Cook <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-20tty: mips_ejtag_fdc: Convert timers to use timer_setup()Kees Cook1-4/+4
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Jiri Slaby <[email protected]> Signed-off-by: Kees Cook <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-20tty/sysrq: Convert timers to use timer_setup()Kees Cook1-5/+4
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Jiri Slaby <[email protected]> Signed-off-by: Kees Cook <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-20serial: m32r_sio: Convert timers to use timer_setup()Kees Cook1-4/+3
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Jiri Slaby <[email protected]> Cc: [email protected] Signed-off-by: Kees Cook <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-20tty: metag_da: Convert timers to use timer_setup()Kees Cook1-5/+5
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: James Hogan <[email protected]> Cc: Jiri Slaby <[email protected]> Cc: [email protected] Signed-off-by: Kees Cook <[email protected]> Acked-by: James Hogan <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-20serial: 8250_fintek: Fix finding base_port with activated SuperIOJi-Ze Hong (Peter Hong)1-0/+3
The SuperIO will be configured at boot time by BIOS, but some BIOS will not deactivate the SuperIO when the end of configuration. It'll lead to mismatch for pdata->base_port in probe_setup_port(). So we'll deactivate all SuperIO before activate special base_port in fintek_8250_enter_key(). Tested on iBASE MI802. Cc: [email protected] Tested-by: Ji-Ze Hong (Peter Hong) <[email protected]> Signed-off-by: Ji-Ze Hong (Peter Hong) <[email protected]> Reviewd-by: Alan Cox <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-20tty fix oops when rmmod 8250nixiaoming1-1/+2
After rmmod 8250.ko tty_kref_put starts kwork (release_one_tty) to release proc interface oops when accessing driver->driver_name in proc_tty_unregister_driver Use jprobe, found driver->driver_name point to 8250.ko static static struct uart_driver serial8250_reg .driver_name= serial, Use name in proc_dir_entry instead of driver->driver_name to fix oops test on linux 4.1.12: BUG: unable to handle kernel paging request at ffffffffa01979de IP: [<ffffffff81310f40>] strchr+0x0/0x30 PGD 1a0d067 PUD 1a0e063 PMD 851c1f067 PTE 0 Oops: 0000 [#1] PREEMPT SMP Modules linked in: ... ... [last unloaded: 8250] CPU: 7 PID: 116 Comm: kworker/7:1 Tainted: G O 4.1.12 #1 Hardware name: Insyde RiverForest/Type2 - Board Product Name1, BIOS NE5KV904 12/21/2015 Workqueue: events release_one_tty task: ffff88085b684960 ti: ffff880852884000 task.ti: ffff880852884000 RIP: 0010:[<ffffffff81310f40>] [<ffffffff81310f40>] strchr+0x0/0x30 RSP: 0018:ffff880852887c90 EFLAGS: 00010282 RAX: ffffffff81a5eca0 RBX: ffffffffa01979de RCX: 0000000000000004 RDX: ffff880852887d10 RSI: 000000000000002f RDI: ffffffffa01979de RBP: ffff880852887cd8 R08: 0000000000000000 R09: ffff88085f5d94d0 R10: 0000000000000195 R11: 0000000000000000 R12: ffffffffa01979de R13: ffff880852887d00 R14: ffffffffa01979de R15: ffff88085f02e840 FS: 0000000000000000(0000) GS:ffff88085f5c0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffa01979de CR3: 0000000001a0c000 CR4: 00000000001406e0 Stack: ffffffff812349b1 ffff880852887cb8 ffff880852887d10 ffff88085f5cd6c2 ffff880852800a80 ffffffffa01979de ffff880852800a84 0000000000000010 ffff88085bb28bd8 ffff880852887d38 ffffffff812354f0 ffff880852887d08 Call Trace: [<ffffffff812349b1>] ? __xlate_proc_name+0x71/0xd0 [<ffffffff812354f0>] remove_proc_entry+0x40/0x180 [<ffffffff815f6811>] ? _raw_spin_lock_irqsave+0x41/0x60 [<ffffffff813be520>] ? destruct_tty_driver+0x60/0xe0 [<ffffffff81237c68>] proc_tty_unregister_driver+0x28/0x40 [<ffffffff813be548>] destruct_tty_driver+0x88/0xe0 [<ffffffff813be5bd>] tty_driver_kref_put+0x1d/0x20 [<ffffffff813becca>] release_one_tty+0x5a/0xd0 [<ffffffff81074159>] process_one_work+0x139/0x420 [<ffffffff810745a1>] worker_thread+0x121/0x450 [<ffffffff81074480>] ? process_scheduled_works+0x40/0x40 [<ffffffff8107a16c>] kthread+0xec/0x110 [<ffffffff81080000>] ? tg_rt_schedulable+0x210/0x220 [<ffffffff8107a080>] ? kthread_freezable_should_stop+0x80/0x80 [<ffffffff815f7292>] ret_from_fork+0x42/0x70 [<ffffffff8107a080>] ? kthread_freezable_should_stop+0x80/0x80 Signed-off-by: nixiaoming <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-20serial: 8250: Preserve DLD[7:4] for PORT_XR17V35XAaron Sierra1-1/+4
The upper four bits of the XR17V35x fractional divisor register (DLD) control general chip function (RS-485 direction pin polarity, multidrop mode, XON/XOFF parity check, and fast IR mode). Don't allow these bits to be clobbered when setting the baudrate. Signed-off-by: Aaron Sierra <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-20tty: vt: remove multi-fetch, derive font.height from font.dataMeng Xu1-20/+28
In con_font_set(), when we need to guess font height (for compat reasons?), the current approach uses multiple userspace fetches, i.e., get_user(tmp, &charmap[32*i+h-1]), to derive the height. This has two drawbacks: 1. performance: accessing userspace memory is less efficient than directly de-reference the byte 2. security: a more critical problem is that the height derived might not match with the actual font.data. This is because a user thread might race condition to change the memory of op->data after the op->height guessing but before the second fetch: font.data = memdup_user(op->data, size). Leaving font.height = 32 while the actual height is 1 or vice-versa. This patch tries to resolve both issues by re-locating the height guessing part after the font.data is fetched in. In this way, the userspace data is fetched in one shot and we directly dereference the font.data in kernel space to probe for the height. Signed-off-by: Meng Xu <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-20serial: sh-sci: Fix init data attribute for struct 'port_cfg'Matthias Kaehlcke1-1/+1
The __init attribute is meant to mark functions, use __initdata instead for the data structure. This fixes the following error when building with clang: drivers/tty/serial/sh-sci.c:3247:15: error: '__section__' attribute only applies to functions, methods, properties, and global variables static struct __init plat_sci_port port_cfg; Signed-off-by: Matthias Kaehlcke <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-20serial: sh-sci: Use of_device_get_match_data() helperGeert Uytterhoeven1-6/+5
Use the of_device_get_match_data() helper instead of open coding. Note that when used with DT, there's always a valid match. Signed-off-by: Geert Uytterhoeven <[email protected]> Reviewed-by: Simon Horman <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-20serial: imx: Correct comment imx_flush_buffer()Martyn Welch1-2/+6
The comment in imx_flush_buffer() states that the state of 4 registers are to be saved/restored, then only saves and restores 3 registers. The missing register (UBRC) is read only and thus can't be restored. Update the comment to reflect reality. Signed-off-by: Martyn Welch <[email protected]> Acked-by: Uwe Kleine-König <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-09Merge 4.14-rc4 into tty-nextGreg Kroah-Hartman967-6418/+12885
We want the tty/serial fixes in here as well. Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-08Linux 4.14-rc4Linus Torvalds1-1/+1
2017-10-07Merge tag 'scsi-fixes' of ↵Linus Torvalds8-31/+36
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: - a couple of serious fixes: use after free and blacklist for WRITE SAME - one error leg fix: write_pending failure - one user experience problem: do not override max_sectors_kb - one minor unused function removal * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: ibmvscsis: Fix write_pending failure path scsi: libiscsi: Remove iscsi_destroy_session scsi: libiscsi: Fix use-after-free race during iscsi_session_teardown scsi: sd: Do not override max_sectors_kb sysfs setting scsi: sd: Implement blacklist option for WRITE SAME w/ UNMAP
2017-10-07Merge branch 'i2c/for-current-4.14' of ↵Linus Torvalds5-10/+14
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "I2C has three driver fixes for the newly introduced drivers and one ID addition for the i801 driver" * 'i2c/for-current-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: i2c-stm32f7: make structure stm32f7_setup static const i2c: ensure termination of *_device_id tables i2c: i801: Add support for Intel Cedar Fork i2c: stm32f7: fix setup structure
2017-10-07Merge tag 'mmc-v4.14-rc3' of ↵Linus Torvalds11-162/+81
git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC fixes from Ulf Hansson: "MMC core: - Fix driver strength selection when selecting hs400es - Delete bounce buffer handling: This change fixes a problem related to how bounce buffers are being allocated. However, instead of trying to fix that, let's just remove the mmc bounce buffer code altogether, as it has practically no use. MMC host: - meson-gx: A couple of fixes related to clock/phase/tuning - sdhci-xenon: Fix clock resource by adding an optional bus clock" * tag 'mmc-v4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: sdhci-xenon: Fix clock resource by adding an optional bus clock mmc: meson-gx: include tx phase in the tuning process mmc: meson-gx: fix rx phase reset mmc: meson-gx: make sure the clock is rounded down mmc: Delete bounce buffer handling mmc: core: add driver strength selection when selecting hs400es
2017-10-06Merge tag 'hwmon-for-linus-v4.14-rc4' of ↵Linus Torvalds1-8/+11
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fix from Guenter Roeck: "Fix up error path in xgene driver" * tag 'hwmon-for-linus-v4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (xgene) Fix up error handling path mixup in 'xgene_hwmon_probe()'
2017-10-06Merge tag 'clk-fixes-for-linus' of ↵Linus Torvalds3-5/+23
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk fixes from Stephen Boyd: - build fix to export the clk_bulk_prepare() symbol - suspend fix for Samsung Exynos SoCs where we need to keep clks on across suspend - two critical clk markings for clks that shouldn't ever turn off on Rockchip SoCs - a fix for a copy-paste mistake on Rockchip rk3128 causing some clks to touch the same bit and trample over one another * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: samsung: exynos4: Enable VPLL and EPLL clocks for suspend/resume cycle clk: Export clk_bulk_prepare() clk: rockchip: add sclk_timer5 as critical clock on rk3128 clk: rockchip: fix up rk3128 pvtm and mipi_24m gate regs error clk: rockchip: add pclk_pmu as critical clock on rk3128
2017-10-06Merge tag 'arc-4.14-rc4' of ↵Linus Torvalds17-28/+130
git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc Pull ARC udpates from Vineet Gupta: - updates for various platforms - boot log updates for upcoming HS48 family of cores (dual issue) * tag 'arc-4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: ARC: [plat-hsdk]: Add reset controller node to manage ethernet reset ARC: [plat-hsdk]: Temporary fix to set CPU frequency to 1GHz ARC: fix allnoconfig build warning ARCv2: boot log: identify HS48 cores (dual issue) ARC: boot log: decontaminate ARCv2 ISA_CONFIG register arc: remove redundant UTS_MACHINE define in arch/arc/Makefile ARC: [plat-eznps] Update platform maintainer as Noam left ARC: [plat-hsdk] use actual clk driver to manage cpu clk ARC: [*defconfig] Reenable soft lock-up detector ARC: [plat-axs10x] sdio: Temporary fix of sdio ciu frequency ARC: [plat-hsdk] sdio: Temporary fix of sdio ciu frequency ARC: [plat-axs103] Add temporary quirk to reset ethernet IP
2017-10-06Merge tag 'xfs-4.14-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds2-3/+30
Pull xfs fixes from Darrick Wong: - fix a race between overlapping copy on write aio - fix cow fork swapping when we defragment reflinked files * tag 'xfs-4.14-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: handle racy AIO in xfs_reflink_end_cow xfs: always swap the cow forks when swapping extents
2017-10-06Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds9-22/+45
Pull block fixes from Jens Axboe: "A collection of fixes for this series. This contains: - NVMe pull request from Christoph, one uuid attribute fix, and one fix for the controller memory buffer address for remapped BARs. - use-after-free fix for bsg, from Benjamin Block. - bcache race/use-after-free fix for a list traversal, fixing a regression in this merge window. From Coly Li. - null_blk change configfs dependency change from a 'depends' to a 'select'. This is a change from this merge window as well. From me. - nbd signal fix from Josef, fixing a regression introduced with the status code changes. - nbd MAINTAINERS mailing list entry update. - blk-throttle stall fix from Joseph Qi. - blk-mq-debugfs fix from Omar, fixing an issue where we don't register the IO scheduler debugfs directory, if the driver is loaded with it. Only shows up if you switch through the sysfs interface" * 'for-linus' of git://git.kernel.dk/linux-block: bsg-lib: fix use-after-free under memory-pressure nvme-pci: Use PCI bus address for data/queues in CMB blk-mq-debugfs: fix device sched directory for default scheduler null_blk: change configfs dependency to select blk-throttle: fix possible io stall when upgrade to max MAINTAINERS: update list for NBD nbd: fix -ERESTARTSYS handling nvme: fix visibility of "uuid" ns attribute bcache: use llist_for_each_entry_safe() in __closure_wake_up()
2017-10-06Merge tag 'pci-v4.14-fixes-4' of ↵Linus Torvalds3-27/+50
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI fixes from Bjorn Helgaas: "Fix legacy IDE probe issues exposed by recent PCI core IRQ mapping changes (Bartlomiej Zolnierkiewicz, Lorenzo Pieralisi)" * tag 'pci-v4.14-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: ide: fix IRQ assignment for PCI bus order probing ide: pci: free PCI BARs on initialization failure ide: free hwif->portdev on hwif_init() failure
2017-10-06Merge tag 'arm64-fixes' of ↵Linus Torvalds6-7/+45
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Catalin Marinas: - Bring initialisation of user space undefined instruction handling early (core_initcall) since late_initcall() happens after modprobe in initramfs is invoked. Similar fix for fpsimd initialisation - Increase the kernel stack when KASAN is enabled - Bring the PCI ACS enabling earlier via the iort_init_platform_devices() - Fix misleading data abort address printing (decimal vs hex) * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: Ensure fpsimd support is ready before userspace is active arm64: Ensure the instruction emulation is ready for userspace arm64: Use larger stacks when KASAN is selected ACPI/IORT: Fix PCI ACS enablement arm64: fix misleading data abort decoding
2017-10-06Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds7-13/+20
Pull KVM fixes from Radim Krčmář: - fix PPC XIVE interrupt delivery - fix x86 RCU breakage from asynchronous page faults when built without PREEMPT_COUNT - fix x86 build with -frecord-gcc-switches - fix x86 build without X86_LOCAL_APIC * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: add X86_LOCAL_APIC dependency x86/kvm: Move kvm_fastop_exception to .fixup section kvm/x86: Avoid async PF preempting the kernel incorrectly KVM: PPC: Book3S: Fix server always zero from kvmppc_xive_get_xive()
2017-10-06Merge tag 'for-linus' of ↵Linus Torvalds9-14/+34
git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma Pull rdma fixes from Doug Ledford: "This is a pretty small pull request. Only 6 patches in total. There are no outstanding -rc patches on the mailing list after this pull request, so only if some new issues are discovered in the remainder of the rc cycles will you hear from me again. Summary: - a fix for iwpm netlink usage - a fix for error unwinding in mlx5 - two fixes to vlan handling in qedr - a couple small i40iw fixes" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: i40iw: Fix port number for query QP i40iw: Add missing memory barriers RDMA/qedr: Parse vlan priority as sl RDMA/qedr: Parse VLAN ID correctly and ignore the value of zero IB/mlx5: Fix label order in error path handling RDMA/iwpm: Properly mark end of NL messages
2017-10-06Merge branch 'for-4.14-rc4' of ↵Linus Torvalds2-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs fixes from David Sterba: "Two more fixes for bugs introduced in 4.13. The sector_t problem with 32bit architecture and !LBDAF config seems serious but the number of affected deployments is hopefully low. The clashing status bits could lead to a confusing in-memory state of the whole-filesystem operations if used with the quota override sysfs knob" * 'for-4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: Btrfs: fix overlap of fs_info::flags values btrfs: avoid overflow when sector_t is 32 bit
2017-10-06Merge tag 'ceph-for-4.14-rc4' of git://github.com/ceph/ceph-clientLinus Torvalds2-10/+9
Pull ceph fixes from Ilya Dryomov: "Two fixups for CephFS snapshot-handling patches in -rc1" * tag 'ceph-for-4.14-rc4' of git://github.com/ceph/ceph-client: ceph: fix __choose_mds() for LSSNAP request ceph: properly queue cap snap for newly created snap realm
2017-10-06ARC: [plat-hsdk]: Add reset controller node to manage ethernet resetEugeniy Paltsev2-0/+10
DW ethernet controller on HSDK hangs sometimes after SW reset, so add reset node to make possible to reset DW ethernet controller HW. Signed-off-by: Eugeniy Paltsev <[email protected]> Signed-off-by: Vineet Gupta <[email protected]>
2017-10-06Merge branch 'overlayfs-linus' of ↵Linus Torvalds10-37/+60
git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs Pull overlayfs fixes from Miklos Szeredi: "Fix a regression in 4.14 and one in 4.13. The latter is a case when Docker is doing something it really shouldn't and gets away with it. We now print a warning instead of erroring out. There are also fixes to several error paths" * 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: ovl: fix regression caused by exclusive upper/work dir protection ovl: fix missing unlock_rename() in ovl_do_copy_up() ovl: fix dentry leak in ovl_indexdir_cleanup() ovl: fix dput() of ERR_PTR in ovl_cleanup_index() ovl: fix error value printed in ovl_lookup_index() ovl: fix may_write_real() for overlayfs directories
2017-10-06Merge tag 'powerpc-4.14-4' of ↵Linus Torvalds8-9/+48
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "Nine small fixes, really nothing that stands out. A work-around for a spurious MCE on Power9. A CXL fault handling fix, some fixes to the new XIVE code, and a fix to the new 32-bit STRICT_KERNEL_RWX code. Fixes for old code/stable: an fix to an incorrect TLB flush on boot but not on any current machines, a compile error on 4xx and a fix to memory hotplug when using radix (Power9). Thanks to: Anton Blanchard, Cédric Le Goater, Christian Lamparter, Christophe Leroy, Christophe Lombard, Guenter Roeck, Jeremy Kerr, Michael Neuling, Nicholas Piggin" * tag 'powerpc-4.14-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/powernv: Increase memory block size to 1GB on radix powerpc/mm: Call flush_tlb_kernel_range with interrupts enabled powerpc/xive: Clear XIVE internal structures when a CPU is removed powerpc/xive: Fix IPI reset powerpc/4xx: Fix compile error with 64K pages on 40x, 44x powerpc: Fix action argument for cpufeatures-based TLB flush cxl: Fix memory page not handled powerpc: Fix workaround for spurious MCE on POWER9 powerpc: Handle MCE on POWER9 with only DSISR bit 30 set
2017-10-06Merge tag 'drm-fixes-for-v4.14-rc4' of ↵Linus Torvalds9-34/+44
git://people.freedesktop.org/~airlied/linux Pull drm fixes from Dave Airlie: "Some i915 fixes from the last two weeks (as they were on a strange base and I just waited for rc3), also a single sun4i hdmi fix" * tag 'drm-fixes-for-v4.14-rc4' of git://people.freedesktop.org/~airlied/linux: drm/i915/glk: Fix DMC/DC state idleness calculation drm/i915/cnl: Reprogram DMC firmware after S3/S4 resume drm/i915: Fix DDI PHY init if it was already on drm/sun4i: hdmi: Disable clks in bind function error path and unbind function drm/i915/bios: ignore HDMI on port A drm/i915: remove redundant variable hw_check drm/i915: always update ELD connector type after get modes
2017-10-06Merge branch 'core-watchdog-for-linus' of ↵Linus Torvalds10-604/+456
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull watchddog clean-up and fixes from Thomas Gleixner: "The watchdog (hard/softlockup detector) code is pretty much broken in its current state. The patch series addresses this by removing all duct tape and refactoring it into a workable state. The reasons why I ask for inclusion that late in the cycle are: 1) The code causes lockdep splats vs. hotplug locking which get reported over and over. Unfortunately there is no easy fix. 2) The risk of breakage is minimal because it's already broken 3) As 4.14 is a long term stable kernel, I prefer to have working watchdog code in that and the lockdep issues resolved. I wouldn't ask you to pull if 4.14 wouldn't be a LTS kernel or if the solution would be easy to backport. 4) The series was around before the merge window opened, but then got delayed due to the UP failure caused by the for_each_cpu() surprise which we discussed recently. Changes vs. V1: - Addressed your review points - Addressed the warning in the powerpc code which was discovered late - Changed two function names which made sense up to a certain point in the series. Now they match what they do in the end. - Fixed a 'unused variable' warning, which got not detected by the intel robot. I triggered it when trying all possible related config combinations manually. Randconfig testing seems not random enough. The changes have been tested by and reviewed by Don Zickus and tested and acked by Micheal Ellerman for powerpc" * 'core-watchdog-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits) watchdog/core: Put softlockup_threads_initialized under ifdef guard watchdog/core: Rename some softlockup_* functions powerpc/watchdog: Make use of watchdog_nmi_probe() watchdog/core, powerpc: Lock cpus across reconfiguration watchdog/core, powerpc: Replace watchdog_nmi_reconfigure() watchdog/hardlockup/perf: Fix spelling mistake: "permanetely" -> "permanently" watchdog/hardlockup/perf: Cure UP damage watchdog/hardlockup: Clean up hotplug locking mess watchdog/hardlockup/perf: Simplify deferred event destroy watchdog/hardlockup/perf: Use new perf CPU enable mechanism watchdog/hardlockup/perf: Implement CPU enable replacement watchdog/hardlockup/perf: Implement init time detection of perf watchdog/hardlockup/perf: Implement init time perf validation watchdog/core: Get rid of the racy update loop watchdog/core, powerpc: Make watchdog_nmi_reconfigure() two stage watchdog/sysctl: Clean up sysctl variable name space watchdog/sysctl: Get rid of the #ifdeffery watchdog/core: Clean up header mess watchdog/core: Further simplify sysctl handling watchdog/core: Get rid of the thread teardown/setup dance ...
2017-10-06arm64: Ensure fpsimd support is ready before userspace is activeSuzuki K Poulose1-1/+1
We register the pm/hotplug callbacks for FPSIMD as late_initcall, which happens after the userspace is active (from initramfs via populate_rootfs, a rootfs_initcall). Make sure we are ready even before the userspace could potentially use it, by promoting to a core_initcall. Cc: Will Deacon <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Dave Martin <[email protected]> Signed-off-by: Suzuki K Poulose <[email protected]> Signed-off-by: Catalin Marinas <[email protected]>
2017-10-06arm64: Ensure the instruction emulation is ready for userspaceSuzuki K Poulose2-2/+2
We trap and emulate some instructions (e.g, mrs, deprecated instructions) for the userspace. However the handlers for these are registered as late_initcalls and the userspace could be up and running from the initramfs by that time (with populate_rootfs, which is a rootfs_initcall()). This could cause problems for the early applications ending up in failure like : [ 11.152061] modprobe[93]: undefined instruction: pc=0000ffff8ca48ff4 This patch promotes the specific calls to core_initcalls, which are guaranteed to be completed before we hit userspace. Cc: [email protected] Cc: Dave Martin <[email protected]> Cc: Matthias Brugger <[email protected]> Cc: James Morse <[email protected]> Reported-by: Matwey V. Kornilov <[email protected]> Signed-off-by: Suzuki K Poulose <[email protected]> Signed-off-by: Catalin Marinas <[email protected]>
2017-10-06powerpc/powernv: Increase memory block size to 1GB on radixAnton Blanchard1-1/+9
Memory hot unplug on PowerNV radix hosts is broken. Our memory block size is 256MB but since we map the linear region with very large pages, each pte we tear down maps 1GB. A hot unplug of one 256MB memory block results in 768MB of memory getting unintentionally unmapped. At this point we are likely to oops. Fix this by increasing our memory block size to 1GB on PowerNV radix hosts. Fixes: 4b5d62ca17a1 ("powerpc/mm: add radix__remove_section_mapping()") Cc: [email protected] # v4.11+ Signed-off-by: Anton Blanchard <[email protected]> Signed-off-by: Michael Ellerman <[email protected]>
2017-10-06Merge tag 'drm-misc-fixes-2017-10-05' of ↵Dave Airlie1-5/+14
git://anongit.freedesktop.org/git/drm-misc into drm-fixes One bugfix in sun4i for 4.14 * tag 'drm-misc-fixes-2017-10-05' of git://anongit.freedesktop.org/git/drm-misc: drm/sun4i: hdmi: Disable clks in bind function error path and unbind function
2017-10-06Merge tag 'drm-intel-fixes-2017-10-04' of ↵Dave Airlie4-22/+6
git://anongit.freedesktop.org/git/drm-intel into drm-fixes drm/i915 fixes for 4.14-rc4: All 3 highest GLK bugs fixed by Imre: - GLK drv reload - Fix DDI Phy init if it was already on. - GLK suspend resume - Reprogram DMC firmware after s3/s4. - GLK DC states - Fix idleness calculation. * tag 'drm-intel-fixes-2017-10-04' of git://anongit.freedesktop.org/git/drm-intel: drm/i915/glk: Fix DMC/DC state idleness calculation drm/i915/cnl: Reprogram DMC firmware after S3/S4 resume drm/i915: Fix DDI PHY init if it was already on
2017-10-05Merge tag 'pm-4.14-rc4' of ↵Linus Torvalds1-7/+11
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fix from Rafael Wysocki: "This fixes a code ordering issue in the main suspend-to-idle loop that causes some "low power S0 idle" conditions to be incorrectly reported as unmet with suspend/resume debug messages enabled" * tag 'pm-4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PM / s2idle: Invoke the ->wake() platform callback earlier
2017-10-06Merge branch 'pm-sleep'Rafael J. Wysocki1-7/+11
* pm-sleep: PM / s2idle: Invoke the ->wake() platform callback earlier
2017-10-05Merge tag 'for-4.14/dm-fixes' of ↵Linus Torvalds7-22/+47
git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: - a stable fix for the alignment of the event number reported at the end of the 'DM_LIST_DEVICES' ioctl. - a couple stable fixes for the DM crypt target. - a DM raid health status reporting fix. * tag 'for-4.14/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm raid: fix incorrect status output at the end of a "recover" process dm crypt: reject sector_size feature if device length is not aligned to it dm crypt: fix memory leak in crypt_ctr_cipher_old() dm ioctl: fix alignment of event number in the device list
2017-10-05dm raid: fix incorrect status output at the end of a "recover" processJonathan Brassow2-5/+7
There are three important fields that indicate the overall health and status of an array: dev_health, sync_ratio, and sync_action. They tell us the condition of the devices in the array, and the degree to which the array is synchronized. This commit fixes a condition that is reported incorrectly. When a member of the array is being rebuilt or a new device is added, the "recover" process is used to synchronize it with the rest of the array. When the process is complete, but the sync thread hasn't yet been reaped, it is possible for the state of MD to be: mddev->recovery = [ MD_RECOVERY_RUNNING MD_RECOVERY_RECOVER MD_RECOVERY_DONE ] curr_resync_completed = <max dev size> (but not MaxSector) and all rdevs to be In_sync. This causes the 'array_in_sync' output parameter that is passed to rs_get_progress() to be computed incorrectly and reported as 'false' -- or not in-sync. This in turn causes the dev_health status characters to be reported as all 'a', rather than the proper 'A'. This can cause erroneous output for several seconds at a time when tools will want to be checking the condition due to events that are raised at the end of a sync process. Fix this by properly calculating the 'array_in_sync' return parameter in rs_get_progress(). Also, remove an unnecessary intermediate 'recovery_cp' variable in rs_get_progress(). Signed-off-by: Jonathan Brassow <[email protected]> Signed-off-by: Mike Snitzer <[email protected]>
2017-10-05KVM: add X86_LOCAL_APIC dependencyArnd Bergmann1-0/+1
The rework of the posted interrupt handling broke building without support for the local APIC: ERROR: "boot_cpu_physical_apicid" [arch/x86/kvm/kvm-intel.ko] undefined! That configuration is probably not particularly useful anyway, so we can avoid the randconfig failures by adding a Kconfig dependency. Fixes: 8b306e2f3c41 ("KVM: VMX: avoid double list add with VT-d posted interrupts") Signed-off-by: Arnd Bergmann <[email protected]> Signed-off-by: Radim Krčmář <[email protected]>
2017-10-05Merge tag 'sound-4.14-rc4' of ↵Linus Torvalds9-11/+61
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "A collection of small fixes, mostly with stable ones: - X32 ABI fix for PCM; likely not so many people suffer from it, but still better to fix - Two minor kernel warning fixes on USB audio devices spotted by syzkaller - Regression fix of echoaudio due to its inconsistent dimension - Fix for HBR support on Intel DP audio, on some recent chips - USB-audio quirk for yet another Plantronics devices - Fix for potential double-fetch in ASIHPI FIFO queue" * tag 'sound-4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: usx2y: Suppress kernel warning at page allocation failures Revert "ALSA: echoaudio: purge contradictions between dimension matrix members and total number of members" ALSA: usb-audio: Check out-of-bounds access by corrupted buffer descriptor ALSA: pcm: Fix structure definition for X32 ABI ALSA: usb-audio: Add sample rate quirk for Plantronics C310/C520-M ALSA: hda - program ICT bits to support HBR audio ALSA: asihpi: fix a potential double-fetch bug when copying puhm ALSA: compress: Remove unused variable
2017-10-05Merge branch 'for-linus' of ↵Linus Torvalds8-27/+118
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid Pull HID subsystem fixes from Jiri Kosina: - buffer management size fix for i2c-hid driver, from Adrian Salido - tool ID regression fixes for Wacom driver from Jason Gerecke - a few small assorted fixes and a few device ID additions * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: Revert "HID: multitouch: Support ALPS PTP stick with pid 0x120A" HID: hidraw: fix power sequence when closing device HID: wacom: Always increment hdev refcount within wacom_get_hdev_data HID: wacom: generic: Clear ABS_MISC when tool leaves proximity HID: wacom: generic: Send MSC_SERIAL and ABS_MISC when leaving prox HID: i2c-hid: allocate hid buffers for real worst case HID: rmi: Make sure the HID device is opened on resume HID: multitouch: Support ALPS PTP stick with pid 0x120A HID: multitouch: support buttons and trackpoint on Lenovo X1 Tab Gen2 HID: wacom: Correct coordinate system of touchring and pen twist HID: wacom: Properly report negative values from Intuos Pro 2 Bluetooth HID: multitouch: Fix system-control buttons not working HID: add multi-input quirk for IDC6680 touchscreen HID: wacom: leds: Don't try to control the EKR's read-only LEDs HID: wacom: bits shifted too much for 9th and 10th buttons
2017-10-05Merge branch 'nvme-4.14' of git://git.infradead.org/nvme into for-linusJens Axboe2-8/+8
Pull NVMe fixes from Christoph: "A trivial one-liner from Martin to fix the visible of the uuid attr, and another one (originally from Abhishek Shah, rewritten by me) to fix the CMB addresses passed back to the controller in case of a system that remaps BAR addresses between host and device."
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