- Linux-stable-mirror - lists.linaro.org

by Jarkko Sakkinen

Decided to add Enric's commit because it is also a bug fix instead of modifying Chris commit. Chris Chiu (1): tpm: self test failure should not cause suspend to fail Enric Balletbo i Serra (1): tpm: do not suspend/resume if power stays on drivers/char/tpm/tpm-interface.c | 7 +++++++ drivers/char/tpm/tpm.h | 2 ++ drivers/char/tpm/tpm_of.c | 3 +++ 3 files changed, 12 insertions(+) -- 2.17.0

7 years, 4 months

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[PATCH v9 0/9] dax: fix dma vs truncate/hole-punch

by Dan Williams

Changes since v8 [1]: * Rebase on v4.17-rc2 * Fix get_user_pages_fast() for ZONE_DEVICE pages to revalidate the pte, pmd, pud after taking references (Jan) * Kill dax_layout_lock(). With get_user_pages_fast() for ZONE_DEVICE fixed we can then rely on the {pte,pmd}_lock to synchronize dax_layout_busy_page() vs new page references (Jan) * Hold the iolock over repeated invocations of dax_layout_busy_page() to enable truncate/hole-punch to make forward progress in the presence of a constant stream of new direct-I/O requests (Jan). [1]: https://lists.01.org/pipermail/linux-nvdimm/2018-March/015058.html --- Background: get_user_pages() in the filesystem pins file backed memory pages for access by devices performing dma. However, it only pins the memory pages not the page-to-file offset association. If a file is truncated the pages are mapped out of the file and dma may continue indefinitely into a page that is owned by a device driver. This breaks coherency of the file vs dma, but the assumption is that if userspace wants the file-space truncated it does not matter what data is inbound from the device, it is not relevant anymore. The only expectation is that dma can safely continue while the filesystem reallocates the block(s). Problem: This expectation that dma can safely continue while the filesystem changes the block map is broken by dax. With dax the target dma page *is* the filesystem block. The model of leaving the page pinned for dma, but truncating the file block out of the file, means that the filesytem is free to reallocate a block under active dma to another file and now the expected data-incoherency situation has turned into active data-corruption. Solution: Defer all filesystem operations (fallocate(), truncate()) on a dax mode file while any page/block in the file is under active dma. This solution assumes that dma is transient. Cases where dma operations are known to not be transient, like RDMA, have been explicitly disabled via commits like 5f1d43de5416 "IB/core: disable memory registration of filesystem-dax vmas". The dax_layout_busy_page() routine is called by filesystems with a lock held against mm faults (i_mmap_lock) to find pinned / busy dax pages. The process of looking up a busy page invalidates all mappings to trigger any subsequent get_user_pages() to block on i_mmap_lock. The filesystem continues to call dax_layout_busy_page() until it finally returns no more active pages. This approach assumes that the page pinning is transient, if that assumption is violated the system would have likely hung from the uncompleted I/O. --- Dan Williams (9): dax, dm: introduce ->fs_{claim,release}() dax_device infrastructure mm, dax: enable filesystems to trigger dev_pagemap ->page_free callbacks memremap: split devm_memremap_pages() and memremap() infrastructure mm, dev_pagemap: introduce CONFIG_DEV_PAGEMAP_OPS mm: fix __gup_device_huge vs unmap mm, fs, dax: handle layout changes to pinned dax mappings xfs: prepare xfs_break_layouts() to be called with XFS_MMAPLOCK_EXCL xfs: prepare xfs_break_layouts() for another layout type xfs, dax: introduce xfs_break_dax_layouts() drivers/dax/super.c | 99 ++++++++++++++++++++-- drivers/md/dm.c | 57 +++++++++++++ drivers/nvdimm/pmem.c | 3 - fs/Kconfig | 2 fs/dax.c | 97 +++++++++++++++++++++ fs/ext2/super.c | 6 + fs/ext4/super.c | 6 + fs/xfs/xfs_file.c | 72 +++++++++++++++- fs/xfs/xfs_inode.h | 16 ++++ fs/xfs/xfs_ioctl.c | 8 -- fs/xfs/xfs_iops.c | 16 ++-- fs/xfs/xfs_pnfs.c | 16 ++-- fs/xfs/xfs_pnfs.h | 6 + fs/xfs/xfs_super.c | 20 ++-- include/linux/dax.h | 71 +++++++++++++++- include/linux/memremap.h | 25 ++---- include/linux/mm.h | 71 ++++++++++++---- kernel/Makefile | 3 - kernel/iomem.c | 167 +++++++++++++++++++++++++++++++++++++ kernel/memremap.c | 208 ++++++---------------------------------------- mm/Kconfig | 5 + mm/gup.c | 37 ++++++-- mm/hmm.c | 13 --- mm/swap.c | 3 - 24 files changed, 730 insertions(+), 297 deletions(-) create mode 100644 kernel/iomem.c

7 years, 4 months

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Linux 4.16.8

by Greg KH

I'm announcing the release of the 4.16.8 kernel. All users of the 4.16 kernel series must upgrade. The updated 4.16.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.16.y and can be browsed at the normal kernel.org git web browser: http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary thanks, greg k-h ------------ Documentation/arm64/silicon-errata.txt | 1 Makefile | 2 arch/arm64/Kconfig | 14 arch/arm64/include/asm/assembler.h | 40 arch/arm64/include/asm/cputype.h | 2 arch/arm64/mm/proc.S | 5 arch/x86/kernel/tsc.c | 22 arch/x86/kvm/lapic.c | 37 drivers/acpi/button.c | 24 drivers/gpu/drm/bridge/dumb-vga-dac.c | 4 drivers/gpu/drm/vc4/vc4_crtc.c | 46 - drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 1 drivers/infiniband/core/ucma.c | 2 drivers/infiniband/hw/cxgb4/cq.c | 11 drivers/infiniband/hw/cxgb4/device.c | 9 drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 6 drivers/infiniband/hw/cxgb4/qp.c | 4 drivers/infiniband/hw/cxgb4/resource.c | 26 drivers/infiniband/hw/hfi1/driver.c | 19 drivers/infiniband/hw/hfi1/hfi.h | 8 drivers/infiniband/hw/hfi1/init.c | 2 drivers/infiniband/hw/hfi1/pcie.c | 3 drivers/infiniband/hw/hfi1/ruc.c | 50 - drivers/infiniband/hw/hfi1/ud.c | 4 drivers/infiniband/hw/mlx4/qp.c | 3 drivers/infiniband/hw/mlx5/Kconfig | 1 drivers/infiniband/hw/mlx5/mr.c | 32 drivers/infiniband/hw/mlx5/qp.c | 22 drivers/input/input-leds.c | 8 drivers/input/touchscreen/atmel_mxt_ts.c | 9 drivers/irqchip/qcom-irq-combiner.c | 4 drivers/net/usb/qmi_wwan.c | 1 drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c | 15 drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c | 11 drivers/net/wireless/realtek/rtlwifi/wifi.h | 5 drivers/platform/x86/Kconfig | 2 drivers/platform/x86/asus-wireless.c | 4 drivers/target/target_core_iblock.c | 8 drivers/usb/core/config.c | 4 drivers/usb/dwc3/gadget.c | 2 drivers/usb/host/xhci.c | 1 drivers/usb/musb/musb_gadget.c | 3 drivers/usb/musb/musb_host.c | 4 drivers/usb/serial/option.c | 451 +++------- drivers/usb/serial/visor.c | 69 - fs/btrfs/extent-tree.c | 7 fs/xfs/xfs_file.c | 14 kernel/time/clocksource.c | 57 - kernel/trace/trace_uprobe.c | 24 kernel/tracepoint.c | 4 lib/errseq.c | 23 lib/swiotlb.c | 2 sound/core/pcm_compat.c | 2 sound/core/seq/seq_virmidi.c | 4 sound/drivers/aloop.c | 29 sound/firewire/amdtp-stream.c | 5 sound/pci/hda/patch_realtek.c | 2 tools/power/acpi/Makefile.config | 1 tools/testing/selftests/firmware/fw_filesystem.sh | 6 59 files changed, 673 insertions(+), 508 deletions(-) Agustin Vega-Frias (1): irqchip/qcom: Fix check for spurious interrupts Alan Stern (1): USB: Accept bulk endpoints with 1024-byte maxpacket Anthoine Bourgeois (1): KVM: x86: remove APIC Timer periodic/oneshot spikes Ard Biesheuvel (1): ACPI / button: make module loadable when booted in non-ACPI mode Ben Hutchings (1): test_firmware: fix setting old custom fw path back on exit, second try Bharat Potnuri (1): iw_cxgb4: Atomically flush per QP HW CQEs Bin Liu (2): usb: musb: host: fix potential NULL pointer dereference usb: musb: trace: fix NULL pointer dereference in musb_g_tx() Boris Brezillon (1): drm/vc4: Make sure vc4_bo_{inc,dec}_usecnt() calls are balanced Bryant G Ly (1): scsi: target: Fix fortify_panic kernel exception Danit Goldberg (1): IB/mlx5: Use unlimited rate when static rate is not supported Darrick J. Wong (1): xfs: prevent creating negative-sized file via INSERT_RANGE Dmitry Torokhov (1): Input: leds - fix out of bound access Greg Kroah-Hartman (2): USB: serial: visor: handle potential invalid device configuration Linux 4.16.8 Jiri Slaby (1): tools: power/acpi, revert to LD = gcc Johan Hovold (1): USB: serial: option: reimplement interface masking João Paulo Rechi Vita (1): platform/x86: asus-wireless: Fix NULL pointer dereference Leon Romanovsky (3): RDMA/mlx5: Fix multiple NULL-ptr deref errors in rereg_mr flow RDMA/mlx4: Add missed RSS hash inner header flag RDMA/mlx5: Protect from shift operand overflow Mario Limonciello (1): platform/x86: Kconfig: Fix dell-laptop dependency chain. Mathias Nyman (1): xhci: Fix use-after-free in xhci_free_virt_device Mathieu Desnoyers (1): tracepoint: Do not warn on ENOMEM Matthew Wilcox (1): errseq: Always report a writeback error once Mayank Rana (1): usb: dwc3: gadget: Fix list_del corruption in dwc3_ep_dequeue Michel Dänzer (1): swiotlb: fix inversed DMA_ATTR_NO_WARN test Mike Marciniszyn (2): IB/hfi1: Fix handling of FECN marked multicast packet IB/hfi1: Fix loss of BECN with AHG Peter Zijlstra (5): x86/tsc: Always unregister clocksource_tsc_early x86/tsc: Fix mark_tsc_unstable() clocksource: Allow clocksource_mark_unstable() on unregistered clocksources clocksource: Initialize cs->wd_list clocksource: Consistent de-rate when marking unstable Ping-Ke Shih (1): rtlwifi: cleanup 8723be ant_sel definition Raju Rangoju (1): RDMA/cxgb4: release hw resources on device removal Randy Dunlap (1): infiniband: mlx5: fix build errors when INFINIBAND_USER_ACCESS=m Robert Rosengren (1): ALSA: aloop: Mark paused device as inactive Roland Dreier (1): RDMA/ucma: Allow resolving address w/o specifying source address SZ Lin (林上智) (2): NET: usb: qmi_wwan: add support for ublox R410M PID 0x90b2 USB: serial: option: adding support for ublox R410M Sean Paul (1): drm/bridge: vga-dac: Fix edid memory leak Sebastian Sanchez (1): IB/hfi1: Fix NULL pointer dereference when invalid num_vls is used Song Liu (1): tracing: Fix bad use of igrab in trace_uprobe.c Suzuki K Poulose (1): arm64: Add work around for Arm Cortex-A55 Erratum 1024718 Takashi Iwai (4): ALSA: hda - Fix incorrect usage of IS_REACHABLE() ALSA: pcm: Check PCM state at xfern compat ioctl ALSA: seq: Fix races at MIDI encoding in snd_virmidi_output_trigger() ALSA: aloop: Add missing cable lock to ctl API callbacks Takashi Sakamoto (1): ALSA: dice: fix kernel NULL pointer dereference due to invalid calculation for array index Thomas Hellstrom (1): drm/vmwgfx: Fix a buffer object leak Vittorio Gambaletta (VittGam) (1): Input: atmel_mxt_ts - add touchpad button mapping for Samsung Chromebook Pro ethanwu (1): btrfs: Take trans lock before access running trans in check_delayed_ref

7 years, 4 months

1
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Linux 4.14.40

by Greg KH

I'm announcing the release of the 4.14.40 kernel. All users of the 4.14 kernel series must upgrade. The updated 4.14.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.14.y and can be browsed at the normal kernel.org git web browser: http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary thanks, greg k-h ------------ Makefile | 2 drivers/acpi/button.c | 24 drivers/crypto/talitos.c | 41 drivers/gpu/drm/bridge/dumb-vga-dac.c | 4 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 1 drivers/infiniband/core/ucma.c | 2 drivers/infiniband/hw/cxgb4/cq.c | 11 drivers/infiniband/hw/cxgb4/device.c | 9 drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 6 drivers/infiniband/hw/cxgb4/qp.c | 4 drivers/infiniband/hw/cxgb4/resource.c | 26 drivers/infiniband/hw/hfi1/driver.c | 19 drivers/infiniband/hw/hfi1/hfi.h | 8 drivers/infiniband/hw/hfi1/init.c | 2 drivers/infiniband/hw/hfi1/pcie.c | 3 drivers/infiniband/hw/hfi1/ruc.c | 50 - drivers/infiniband/hw/hfi1/ud.c | 4 drivers/infiniband/hw/mlx5/mr.c | 32 drivers/infiniband/hw/mlx5/qp.c | 22 drivers/infiniband/ulp/ipoib/ipoib_cm.c | 3 drivers/input/input-leds.c | 8 drivers/input/touchscreen/atmel_mxt_ts.c | 9 drivers/irqchip/qcom-irq-combiner.c | 4 drivers/net/geneve.c | 14 drivers/net/usb/qmi_wwan.c | 1 drivers/net/vxlan.c | 6 drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c | 15 drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h | 1 drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c | 6 drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.h | 1 drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c | 11 drivers/net/wireless/realtek/rtlwifi/wifi.h | 6 drivers/platform/x86/asus-wireless.c | 4 drivers/target/target_core_iblock.c | 8 drivers/usb/core/config.c | 4 drivers/usb/dwc3/gadget.c | 2 drivers/usb/musb/musb_gadget.c | 3 drivers/usb/musb/musb_host.c | 4 drivers/usb/serial/option.c | 448 +++------- drivers/usb/serial/visor.c | 69 - fs/xfs/xfs_file.c | 14 include/net/dst.h | 8 kernel/trace/trace_uprobe.c | 24 kernel/tracepoint.c | 4 lib/errseq.c | 25 mm/percpu.c | 1 net/ipv4/ip_tunnel.c | 3 net/ipv4/ip_vti.c | 2 net/ipv6/ip6_tunnel.c | 5 net/ipv6/ip6_vti.c | 2 net/ipv6/sit.c | 4 sound/core/pcm_compat.c | 2 sound/core/seq/seq_virmidi.c | 4 sound/drivers/aloop.c | 29 sound/firewire/amdtp-stream.c | 5 sound/pci/hda/patch_realtek.c | 2 tools/testing/selftests/firmware/fw_filesystem.sh | 6 57 files changed, 546 insertions(+), 491 deletions(-) Agustin Vega-Frias (1): irqchip/qcom: Fix check for spurious interrupts Alan Stern (1): USB: Accept bulk endpoints with 1024-byte maxpacket Ard Biesheuvel (1): ACPI / button: make module loadable when booted in non-ACPI mode Ben Hutchings (1): test_firmware: fix setting old custom fw path back on exit, second try Bharat Potnuri (1): iw_cxgb4: Atomically flush per QP HW CQEs Bin Liu (2): usb: musb: host: fix potential NULL pointer dereference usb: musb: trace: fix NULL pointer dereference in musb_g_tx() Bryant G Ly (1): scsi: target: Fix fortify_panic kernel exception Danit Goldberg (1): IB/mlx5: Use unlimited rate when static rate is not supported Darrick J. Wong (1): xfs: prevent creating negative-sized file via INSERT_RANGE Dmitry Torokhov (1): Input: leds - fix out of bound access Greg Kroah-Hartman (2): USB: serial: visor: handle potential invalid device configuration Linux 4.14.40 Johan Hovold (1): USB: serial: option: reimplement interface masking João Paulo Rechi Vita (1): platform/x86: asus-wireless: Fix NULL pointer dereference Kristian Evensen (1): USB: serial: option: Add support for Quectel EP06 LEROY Christophe (1): crypto: talitos - fix IPsec cipher in length Leon Romanovsky (2): RDMA/mlx5: Fix multiple NULL-ptr deref errors in rereg_mr flow RDMA/mlx5: Protect from shift operand overflow Mathieu Desnoyers (1): tracepoint: Do not warn on ENOMEM Matthew Wilcox (1): errseq: Always report a writeback error once Mayank Rana (1): usb: dwc3: gadget: Fix list_del corruption in dwc3_ep_dequeue Mike Marciniszyn (2): IB/hfi1: Fix handling of FECN marked multicast packet IB/hfi1: Fix loss of BECN with AHG Nicolas Dichtel (1): net: don't call update_pmtu unconditionally Ping-Ke Shih (2): rtlwifi: btcoex: Add power_on_setting routine rtlwifi: cleanup 8723be ant_sel definition Raju Rangoju (1): RDMA/cxgb4: release hw resources on device removal Robert Rosengren (1): ALSA: aloop: Mark paused device as inactive Roland Dreier (1): RDMA/ucma: Allow resolving address w/o specifying source address SZ Lin (林上智) (2): NET: usb: qmi_wwan: add support for ublox R410M PID 0x90b2 USB: serial: option: adding support for ublox R410M Sean Paul (1): drm/bridge: vga-dac: Fix edid memory leak Sebastian Sanchez (1): IB/hfi1: Fix NULL pointer dereference when invalid num_vls is used Song Liu (1): tracing: Fix bad use of igrab in trace_uprobe.c Takashi Iwai (4): ALSA: hda - Fix incorrect usage of IS_REACHABLE() ALSA: pcm: Check PCM state at xfern compat ioctl ALSA: seq: Fix races at MIDI encoding in snd_virmidi_output_trigger() ALSA: aloop: Add missing cable lock to ctl API callbacks Takashi Sakamoto (1): ALSA: dice: fix kernel NULL pointer dereference due to invalid calculation for array index Tejun Heo (1): percpu: include linux/sched.h for cond_resched() Thomas Hellstrom (1): drm/vmwgfx: Fix a buffer object leak Vittorio Gambaletta (VittGam) (1): Input: atmel_mxt_ts - add touchpad button mapping for Samsung Chromebook Pro Xin Long (1): geneve: update skb dst pmtu on tx path

7 years, 4 months

1
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Linux 4.9.99

by Greg KH

I'm announcing the release of the 4.9.99 kernel. All users of the 4.9 kernel series must upgrade. The updated 4.9.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.9.y and can be browsed at the normal kernel.org git web browser: http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary thanks, greg k-h ------------ Documentation/virtual/kvm/api.txt | 9 Documentation/virtual/kvm/arm/psci.txt | 30 + Makefile | 2 arch/arm/include/asm/kvm_host.h | 3 arch/arm/include/uapi/asm/kvm.h | 6 arch/arm/kvm/guest.c | 13 arch/arm/kvm/psci.c | 60 ++ arch/arm64/include/asm/kvm_host.h | 3 arch/arm64/include/uapi/asm/kvm.h | 6 arch/arm64/kvm/guest.c | 14 arch/s390/include/asm/facility.h | 2 drivers/crypto/talitos.c | 41 +- drivers/gpu/drm/bridge/dumb-vga-dac.c | 4 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 1 drivers/infiniband/core/ucma.c | 2 drivers/infiniband/hw/cxgb4/device.c | 9 drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 4 drivers/infiniband/hw/cxgb4/resource.c | 26 + drivers/infiniband/hw/hfi1/init.c | 2 drivers/infiniband/hw/hfi1/pcie.c | 3 drivers/infiniband/hw/mlx5/qp.c | 22 - drivers/input/input-leds.c | 8 drivers/input/touchscreen/atmel_mxt_ts.c | 9 drivers/net/usb/qmi_wwan.c | 1 drivers/platform/x86/asus-wireless.c | 4 drivers/tty/serial/imx.c | 14 drivers/usb/core/config.c | 4 drivers/usb/musb/musb_gadget.c | 3 drivers/usb/musb/musb_host.c | 4 drivers/usb/serial/option.c | 448 +++++++--------------- drivers/usb/serial/visor.c | 69 +-- fs/xfs/xfs_file.c | 14 include/kvm/arm_psci.h | 16 kernel/bpf/arraymap.c | 2 kernel/bpf/hashtab.c | 9 kernel/bpf/syscall.c | 20 kernel/events/core.c | 2 kernel/tracepoint.c | 4 mm/percpu.c | 1 sound/core/pcm_compat.c | 2 sound/core/seq/seq_virmidi.c | 4 sound/drivers/aloop.c | 29 + tools/testing/selftests/firmware/fw_filesystem.sh | 6 43 files changed, 529 insertions(+), 406 deletions(-) Alan Stern (1): USB: Accept bulk endpoints with 1024-byte maxpacket Ben Hutchings (1): test_firmware: fix setting old custom fw path back on exit, second try Bin Liu (2): usb: musb: host: fix potential NULL pointer dereference usb: musb: trace: fix NULL pointer dereference in musb_g_tx() Danit Goldberg (1): IB/mlx5: Use unlimited rate when static rate is not supported Darrick J. Wong (1): xfs: prevent creating negative-sized file via INSERT_RANGE Dmitry Torokhov (1): Input: leds - fix out of bound access Greg Kroah-Hartman (2): USB: serial: visor: handle potential invalid device configuration Linux 4.9.99 Heiko Carstens (1): s390/facilites: use stfle_fac_list array size for MAX_FACILITY_BIT Johan Hovold (1): USB: serial: option: reimplement interface masking João Paulo Rechi Vita (1): platform/x86: asus-wireless: Fix NULL pointer dereference Kristian Evensen (1): USB: serial: option: Add support for Quectel EP06 LEROY Christophe (1): crypto: talitos - fix IPsec cipher in length Leon Romanovsky (1): RDMA/mlx5: Protect from shift operand overflow Marc Zyngier (1): arm/arm64: KVM: Add PSCI version selection API Mathieu Desnoyers (1): tracepoint: Do not warn on ENOMEM Raju Rangoju (1): RDMA/cxgb4: release hw resources on device removal Robert Rosengren (1): ALSA: aloop: Mark paused device as inactive Roland Dreier (1): RDMA/ucma: Allow resolving address w/o specifying source address SZ Lin (林上智) (2): NET: usb: qmi_wwan: add support for ublox R410M PID 0x90b2 USB: serial: option: adding support for ublox R410M Sean Paul (1): drm/bridge: vga-dac: Fix edid memory leak Sebastian Sanchez (1): IB/hfi1: Fix NULL pointer dereference when invalid num_vls is used Takashi Iwai (3): ALSA: pcm: Check PCM state at xfern compat ioctl ALSA: seq: Fix races at MIDI encoding in snd_virmidi_output_trigger() ALSA: aloop: Add missing cable lock to ctl API callbacks Tan Xiaojun (1): perf/core: Fix the perf_cpu_time_max_percent check Tejun Heo (1): percpu: include linux/sched.h for cond_resched() Teng Qin (1): bpf: map_get_next_key to return first key on NULL Thomas Hellstrom (1): drm/vmwgfx: Fix a buffer object leak Uwe Kleine-König (1): serial: imx: ensure UCR3 and UFCR are setup correctly Vittorio Gambaletta (VittGam) (1): Input: atmel_mxt_ts - add touchpad button mapping for Samsung Chromebook Pro

7 years, 4 months

1
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[PATCH] sched/schedutil: Don't set next_freq to UINT_MAX

by Viresh Kumar

The schedutil driver sets sg_policy->next_freq to UINT_MAX on certain occasions: - In sugov_start(), when the schedutil governor is started for a group of CPUs. - And whenever we need to force a freq update before rate-limit duration, which happens when: - there is an update in cpufreq policy limits. - Or when the utilization of DL scheduling class increases. In return, get_next_freq() doesn't return a cached next_freq value but instead recalculates the next frequency. This has some side effects though and may significantly delay a required increase in frequency. In sugov_update_single() we try to avoid decreasing frequency if the CPU has not been idle recently. Consider this scenario, the available range of frequencies for a CPU are from 800 MHz to 2.5 GHz and current frequency is 800 MHz. From one of the call paths sg_policy->need_freq_update is set to true and hence sg_policy->next_freq is set to UINT_MAX. Now if the CPU had been busy, next_f will always be less than UINT_MAX, whatever the value of next_f is. And so even when we wanted to increase the frequency, we will overwrite next_f with UINT_MAX and will not change the frequency eventually. This will continue until the time CPU stays busy. This isn't cross checked with any specific test cases, but rather based on general code review. Fix that by not resetting the sg_policy->need_freq_update flag from sugov_should_update_freq() but get_next_freq() and we wouldn't need to overwrite sg_policy->next_freq anymore. Cc: 4.12+ <stable(a)vger.kernel.org> # 4.12+ Fixes: b7eaf1aab9f8 ("cpufreq: schedutil: Avoid reducing frequency of busy CPUs prematurely") Signed-off-by: Viresh Kumar <viresh.kumar(a)linaro.org> --- kernel/sched/cpufreq_schedutil.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c index d2c6083304b4..daaca23697dc 100644 --- a/kernel/sched/cpufreq_schedutil.c +++ b/kernel/sched/cpufreq_schedutil.c @@ -95,15 +95,8 @@ static bool sugov_should_update_freq(struct sugov_policy *sg_policy, u64 time) if (sg_policy->work_in_progress) return false; - if (unlikely(sg_policy->need_freq_update)) { - sg_policy->need_freq_update = false; - /* - * This happens when limits change, so forget the previous - * next_freq value and force an update. - */ - sg_policy->next_freq = UINT_MAX; + if (unlikely(sg_policy->need_freq_update)) return true; - } delta_ns = time - sg_policy->last_freq_update_time; @@ -165,8 +158,10 @@ static unsigned int get_next_freq(struct sugov_policy *sg_policy, freq = (freq + (freq >> 2)) * util / max; - if (freq == sg_policy->cached_raw_freq && sg_policy->next_freq != UINT_MAX) + if (freq == sg_policy->cached_raw_freq && !sg_policy->need_freq_update) return sg_policy->next_freq; + + sg_policy->need_freq_update = false; sg_policy->cached_raw_freq = freq; return cpufreq_driver_resolve_freq(policy, freq); } @@ -670,7 +665,7 @@ static int sugov_start(struct cpufreq_policy *policy) sg_policy->freq_update_delay_ns = sg_policy->tunables->rate_limit_us * NSEC_PER_USEC; sg_policy->last_freq_update_time = 0; - sg_policy->next_freq = UINT_MAX; + sg_policy->next_freq = 0; sg_policy->work_in_progress = false; sg_policy->need_freq_update = false; sg_policy->cached_raw_freq = 0; -- 2.15.0.194.g9af6a3dea062

7 years, 4 months

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Applied "spi: pxa2xx: Allow 64-bit DMA" to the spi tree

by Mark Brown

The patch spi: pxa2xx: Allow 64-bit DMA has been applied to the spi tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark >From efc4a13724b852ddaa3358402a8dec024ffbcb17 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Date: Thu, 19 Apr 2018 19:53:32 +0300 Subject: [PATCH] spi: pxa2xx: Allow 64-bit DMA Currently the 32-bit device address only is supported for DMA. However, starting from Intel Sunrisepoint PCH the DMA address of the device FIFO can be 64-bit. Change the respective variable to be compatible with DMA engine expectations, i.e. to phys_addr_t. Fixes: 34cadd9c1bcb ("spi: pxa2xx: Add support for Intel Sunrisepoint") Signed-off-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Signed-off-by: Mark Brown <broonie(a)kernel.org> Cc: stable(a)vger.kernel.org --- drivers/spi/spi-pxa2xx.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-pxa2xx.h b/drivers/spi/spi-pxa2xx.h index 513ec6c6e25b..0ae7defd3492 100644 --- a/drivers/spi/spi-pxa2xx.h +++ b/drivers/spi/spi-pxa2xx.h @@ -38,7 +38,7 @@ struct driver_data { /* SSP register addresses */ void __iomem *ioaddr; - u32 ssdr_physical; + phys_addr_t ssdr_physical; /* SSP masks*/ u32 dma_cr1; -- 2.17.0

7 years, 4 months

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[PATCH] drm/vc4: Fix scaling of uni-planar formats

by Boris Brezillon

When using uni-planar formats (like RGB), the scaling parameters are stored in plane 0, not plane 1. Fixes: fc04023fafec ("drm/vc4: Add support for YUV planes.") Cc: stable(a)vger.kernel.org Signed-off-by: Boris Brezillon <boris.brezillon(a)bootlin.com> --- drivers/gpu/drm/vc4/vc4_plane.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index ebf081c7a53b..6831975604b5 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -541,7 +541,7 @@ static int vc4_plane_mode_set(struct drm_plane *plane, * the scl fields here. */ if (num_planes == 1) { - scl0 = vc4_get_scl_field(state, 1); + scl0 = vc4_get_scl_field(state, 0); scl1 = scl0; } else { scl0 = vc4_get_scl_field(state, 1); -- 2.14.1

7 years, 4 months

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[PATCH 4.16 00/52] 4.16.8-stable review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 4.16.8 release. There are 52 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Thu May 10 07:38:51 UTC 2018. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.16.8-rc1… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.16.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 4.16.8-rc1 Song Liu <songliubraving(a)fb.com> tracing: Fix bad use of igrab in trace_uprobe.c Peter Zijlstra <peterz(a)infradead.org> clocksource: Consistent de-rate when marking unstable Peter Zijlstra <peterz(a)infradead.org> clocksource: Initialize cs->wd_list Peter Zijlstra <peterz(a)infradead.org> clocksource: Allow clocksource_mark_unstable() on unregistered clocksources Agustin Vega-Frias <agustinv(a)codeaurora.org> irqchip/qcom: Fix check for spurious interrupts Peter Zijlstra <peterz(a)infradead.org> x86/tsc: Fix mark_tsc_unstable() Peter Zijlstra <peterz(a)infradead.org> x86/tsc: Always unregister clocksource_tsc_early Anthoine Bourgeois <anthoine.bourgeois(a)blade-group.com> KVM: x86: remove APIC Timer periodic/oneshot spikes Mario Limonciello <mario.limonciello(a)dell.com> platform/x86: Kconfig: Fix dell-laptop dependency chain. João Paulo Rechi Vita <jprvita(a)gmail.com> platform/x86: asus-wireless: Fix NULL pointer dereference Bin Liu <b-liu(a)ti.com> usb: musb: trace: fix NULL pointer dereference in musb_g_tx() Bin Liu <b-liu(a)ti.com> usb: musb: host: fix potential NULL pointer dereference SZ Lin (林上智) <sz.lin(a)moxa.com> USB: serial: option: adding support for ublox R410M Johan Hovold <johan(a)kernel.org> USB: serial: option: reimplement interface masking Alan Stern <stern(a)rowland.harvard.edu> USB: Accept bulk endpoints with 1024-byte maxpacket Mayank Rana <mrana(a)codeaurora.org> usb: dwc3: gadget: Fix list_del corruption in dwc3_ep_dequeue Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> USB: serial: visor: handle potential invalid device configuration Mathias Nyman <mathias.nyman(a)linux.intel.com> xhci: Fix use-after-free in xhci_free_virt_device Ben Hutchings <ben.hutchings(a)codethink.co.uk> test_firmware: fix setting old custom fw path back on exit, second try Sean Paul <seanpaul(a)chromium.org> drm/bridge: vga-dac: Fix edid memory leak Thomas Hellstrom <thellstrom(a)vmware.com> drm/vmwgfx: Fix a buffer object leak Boris Brezillon <boris.brezillon(a)bootlin.com> drm/vc4: Make sure vc4_bo_{inc,dec}_usecnt() calls are balanced ethanwu <ethanwu(a)synology.com> btrfs: Take trans lock before access running trans in check_delayed_ref Bharat Potnuri <bharat(a)chelsio.com> iw_cxgb4: Atomically flush per QP HW CQEs Sebastian Sanchez <sebastian.sanchez(a)intel.com> IB/hfi1: Fix NULL pointer dereference when invalid num_vls is used Mike Marciniszyn <mike.marciniszyn(a)intel.com> IB/hfi1: Fix loss of BECN with AHG Mike Marciniszyn <mike.marciniszyn(a)intel.com> IB/hfi1: Fix handling of FECN marked multicast packet Randy Dunlap <rdunlap(a)infradead.org> infiniband: mlx5: fix build errors when INFINIBAND_USER_ACCESS=m Danit Goldberg <danitg(a)mellanox.com> IB/mlx5: Use unlimited rate when static rate is not supported SZ Lin (林上智) <sz.lin(a)moxa.com> NET: usb: qmi_wwan: add support for ublox R410M PID 0x90b2 Leon Romanovsky <leonro(a)mellanox.com> RDMA/mlx5: Protect from shift operand overflow Leon Romanovsky <leonro(a)mellanox.com> RDMA/mlx4: Add missed RSS hash inner header flag Leon Romanovsky <leonro(a)mellanox.com> RDMA/mlx5: Fix multiple NULL-ptr deref errors in rereg_mr flow Roland Dreier <roland(a)purestorage.com> RDMA/ucma: Allow resolving address w/o specifying source address Raju Rangoju <rajur(a)chelsio.com> RDMA/cxgb4: release hw resources on device removal Jiri Slaby <jslaby(a)suse.cz> tools: power/acpi, revert to LD = gcc Darrick J. Wong <darrick.wong(a)oracle.com> xfs: prevent creating negative-sized file via INSERT_RANGE Ping-Ke Shih <pkshih(a)realtek.com> rtlwifi: cleanup 8723be ant_sel definition Michel Dänzer <michel.daenzer(a)amd.com> swiotlb: fix inversed DMA_ATTR_NO_WARN test Vittorio Gambaletta (VittGam) <linuxbugs(a)vittgam.net> Input: atmel_mxt_ts - add touchpad button mapping for Samsung Chromebook Pro Dmitry Torokhov <dmitry.torokhov(a)gmail.com> Input: leds - fix out of bound access Bryant G Ly <bryantly(a)linux.vnet.ibm.com> scsi: target: Fix fortify_panic kernel exception Mathieu Desnoyers <mathieu.desnoyers(a)efficios.com> tracepoint: Do not warn on ENOMEM Matthew Wilcox <willy(a)infradead.org> errseq: Always report a writeback error once Takashi Iwai <tiwai(a)suse.de> ALSA: aloop: Add missing cable lock to ctl API callbacks Robert Rosengren <robert.rosengren(a)axis.com> ALSA: aloop: Mark paused device as inactive Takashi Sakamoto <o-takashi(a)sakamocchi.jp> ALSA: dice: fix kernel NULL pointer dereference due to invalid calculation for array index Takashi Iwai <tiwai(a)suse.de> ALSA: seq: Fix races at MIDI encoding in snd_virmidi_output_trigger() Takashi Iwai <tiwai(a)suse.de> ALSA: pcm: Check PCM state at xfern compat ioctl Takashi Iwai <tiwai(a)suse.de> ALSA: hda - Fix incorrect usage of IS_REACHABLE() Suzuki K Poulose <suzuki.poulose(a)arm.com> arm64: Add work around for Arm Cortex-A55 Erratum 1024718 Ard Biesheuvel <ard.biesheuvel(a)linaro.org> ACPI / button: make module loadable when booted in non-ACPI mode ------------- Diffstat: Documentation/arm64/silicon-errata.txt | 1 + Makefile | 4 +- arch/arm64/Kconfig | 14 + arch/arm64/include/asm/assembler.h | 40 ++ arch/arm64/include/asm/cputype.h | 2 + arch/arm64/mm/proc.S | 5 + arch/x86/kernel/tsc.c | 22 +- arch/x86/kvm/lapic.c | 37 +- drivers/acpi/button.c | 24 +- drivers/gpu/drm/bridge/dumb-vga-dac.c | 4 +- drivers/gpu/drm/vc4/vc4_crtc.c | 46 ++- drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 1 + drivers/infiniband/core/ucma.c | 2 +- drivers/infiniband/hw/cxgb4/cq.c | 11 +- drivers/infiniband/hw/cxgb4/device.c | 9 +- drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 6 +- drivers/infiniband/hw/cxgb4/qp.c | 4 +- drivers/infiniband/hw/cxgb4/resource.c | 26 +- drivers/infiniband/hw/hfi1/driver.c | 19 +- drivers/infiniband/hw/hfi1/hfi.h | 8 +- drivers/infiniband/hw/hfi1/init.c | 2 + drivers/infiniband/hw/hfi1/pcie.c | 3 - drivers/infiniband/hw/hfi1/ruc.c | 50 ++- drivers/infiniband/hw/hfi1/ud.c | 4 +- drivers/infiniband/hw/mlx4/qp.c | 3 +- drivers/infiniband/hw/mlx5/Kconfig | 1 + drivers/infiniband/hw/mlx5/mr.c | 32 +- drivers/infiniband/hw/mlx5/qp.c | 22 +- drivers/input/input-leds.c | 8 +- drivers/input/touchscreen/atmel_mxt_ts.c | 9 + drivers/irqchip/qcom-irq-combiner.c | 4 +- drivers/net/usb/qmi_wwan.c | 1 + .../realtek/rtlwifi/btcoexist/halbtcoutsrc.c | 15 - .../net/wireless/realtek/rtlwifi/rtl8723be/hw.c | 11 +- drivers/net/wireless/realtek/rtlwifi/wifi.h | 5 + drivers/platform/x86/Kconfig | 2 +- drivers/platform/x86/asus-wireless.c | 4 +- drivers/target/target_core_iblock.c | 8 +- drivers/usb/core/config.c | 4 +- drivers/usb/dwc3/gadget.c | 2 +- drivers/usb/host/xhci.c | 1 + drivers/usb/musb/musb_gadget.c | 3 +- drivers/usb/musb/musb_host.c | 4 +- drivers/usb/serial/option.c | 451 +++++++-------------- drivers/usb/serial/visor.c | 69 ++-- fs/btrfs/extent-tree.c | 7 + fs/xfs/xfs_file.c | 14 +- kernel/time/clocksource.c | 57 ++- kernel/trace/trace_uprobe.c | 24 +- kernel/tracepoint.c | 4 +- lib/errseq.c | 23 +- lib/swiotlb.c | 2 +- sound/core/pcm_compat.c | 2 + sound/core/seq/seq_virmidi.c | 4 +- sound/drivers/aloop.c | 29 +- sound/firewire/amdtp-stream.c | 5 +- sound/pci/hda/patch_realtek.c | 2 +- tools/power/acpi/Makefile.config | 1 + tools/testing/selftests/firmware/fw_filesystem.sh | 6 +- 59 files changed, 674 insertions(+), 509 deletions(-)

7 years, 4 months

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[PATCH 4.14 00/43] 4.14.40-stable review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 4.14.40 release. There are 43 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Thu May 10 07:39:32 UTC 2018. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.14.40-rc… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 4.14.40-rc1 Song Liu <songliubraving(a)fb.com> tracing: Fix bad use of igrab in trace_uprobe.c Agustin Vega-Frias <agustinv(a)codeaurora.org> irqchip/qcom: Fix check for spurious interrupts João Paulo Rechi Vita <jprvita(a)gmail.com> platform/x86: asus-wireless: Fix NULL pointer dereference Bin Liu <b-liu(a)ti.com> usb: musb: trace: fix NULL pointer dereference in musb_g_tx() Bin Liu <b-liu(a)ti.com> usb: musb: host: fix potential NULL pointer dereference SZ Lin (林上智) <sz.lin(a)moxa.com> USB: serial: option: adding support for ublox R410M Johan Hovold <johan(a)kernel.org> USB: serial: option: reimplement interface masking Alan Stern <stern(a)rowland.harvard.edu> USB: Accept bulk endpoints with 1024-byte maxpacket Mayank Rana <mrana(a)codeaurora.org> usb: dwc3: gadget: Fix list_del corruption in dwc3_ep_dequeue Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> USB: serial: visor: handle potential invalid device configuration Matthew Wilcox <willy(a)infradead.org> errseq: Always report a writeback error once Ben Hutchings <ben.hutchings(a)codethink.co.uk> test_firmware: fix setting old custom fw path back on exit, second try Sean Paul <seanpaul(a)chromium.org> drm/bridge: vga-dac: Fix edid memory leak Thomas Hellstrom <thellstrom(a)vmware.com> drm/vmwgfx: Fix a buffer object leak Bharat Potnuri <bharat(a)chelsio.com> iw_cxgb4: Atomically flush per QP HW CQEs Sebastian Sanchez <sebastian.sanchez(a)intel.com> IB/hfi1: Fix NULL pointer dereference when invalid num_vls is used Mike Marciniszyn <mike.marciniszyn(a)intel.com> IB/hfi1: Fix loss of BECN with AHG Mike Marciniszyn <mike.marciniszyn(a)intel.com> IB/hfi1: Fix handling of FECN marked multicast packet Danit Goldberg <danitg(a)mellanox.com> IB/mlx5: Use unlimited rate when static rate is not supported SZ Lin (林上智) <sz.lin(a)moxa.com> NET: usb: qmi_wwan: add support for ublox R410M PID 0x90b2 Leon Romanovsky <leonro(a)mellanox.com> RDMA/mlx5: Protect from shift operand overflow Leon Romanovsky <leonro(a)mellanox.com> RDMA/mlx5: Fix multiple NULL-ptr deref errors in rereg_mr flow Roland Dreier <roland(a)purestorage.com> RDMA/ucma: Allow resolving address w/o specifying source address Raju Rangoju <rajur(a)chelsio.com> RDMA/cxgb4: release hw resources on device removal Darrick J. Wong <darrick.wong(a)oracle.com> xfs: prevent creating negative-sized file via INSERT_RANGE Ping-Ke Shih <pkshih(a)realtek.com> rtlwifi: cleanup 8723be ant_sel definition Ping-Ke Shih <pkshih(a)realtek.com> rtlwifi: btcoex: Add power_on_setting routine Vittorio Gambaletta (VittGam) <linuxbugs(a)vittgam.net> Input: atmel_mxt_ts - add touchpad button mapping for Samsung Chromebook Pro Dmitry Torokhov <dmitry.torokhov(a)gmail.com> Input: leds - fix out of bound access Bryant G Ly <bryantly(a)linux.vnet.ibm.com> scsi: target: Fix fortify_panic kernel exception Mathieu Desnoyers <mathieu.desnoyers(a)efficios.com> tracepoint: Do not warn on ENOMEM Takashi Iwai <tiwai(a)suse.de> ALSA: aloop: Add missing cable lock to ctl API callbacks Robert Rosengren <robert.rosengren(a)axis.com> ALSA: aloop: Mark paused device as inactive Takashi Sakamoto <o-takashi(a)sakamocchi.jp> ALSA: dice: fix kernel NULL pointer dereference due to invalid calculation for array index Takashi Iwai <tiwai(a)suse.de> ALSA: seq: Fix races at MIDI encoding in snd_virmidi_output_trigger() Takashi Iwai <tiwai(a)suse.de> ALSA: pcm: Check PCM state at xfern compat ioctl Takashi Iwai <tiwai(a)suse.de> ALSA: hda - Fix incorrect usage of IS_REACHABLE() Kristian Evensen <kristian.evensen(a)gmail.com> USB: serial: option: Add support for Quectel EP06 Ard Biesheuvel <ard.biesheuvel(a)linaro.org> ACPI / button: make module loadable when booted in non-ACPI mode LEROY Christophe <christophe.leroy(a)c-s.fr> crypto: talitos - fix IPsec cipher in length Tejun Heo <tj(a)kernel.org> percpu: include linux/sched.h for cond_resched() Nicolas Dichtel <nicolas.dichtel(a)6wind.com> net: don't call update_pmtu unconditionally Xin Long <lucien.xin(a)gmail.com> geneve: update skb dst pmtu on tx path ------------- Diffstat: Makefile | 4 +- drivers/acpi/button.c | 24 +- drivers/crypto/talitos.c | 41 +- drivers/gpu/drm/bridge/dumb-vga-dac.c | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 1 + drivers/infiniband/core/ucma.c | 2 +- drivers/infiniband/hw/cxgb4/cq.c | 11 +- drivers/infiniband/hw/cxgb4/device.c | 9 +- drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 6 +- drivers/infiniband/hw/cxgb4/qp.c | 4 +- drivers/infiniband/hw/cxgb4/resource.c | 26 +- drivers/infiniband/hw/hfi1/driver.c | 19 +- drivers/infiniband/hw/hfi1/hfi.h | 8 +- drivers/infiniband/hw/hfi1/init.c | 2 + drivers/infiniband/hw/hfi1/pcie.c | 3 - drivers/infiniband/hw/hfi1/ruc.c | 50 ++- drivers/infiniband/hw/hfi1/ud.c | 4 +- drivers/infiniband/hw/mlx5/mr.c | 32 +- drivers/infiniband/hw/mlx5/qp.c | 22 +- drivers/infiniband/ulp/ipoib/ipoib_cm.c | 3 +- drivers/input/input-leds.c | 8 +- drivers/input/touchscreen/atmel_mxt_ts.c | 9 + drivers/irqchip/qcom-irq-combiner.c | 4 +- drivers/net/geneve.c | 14 + drivers/net/usb/qmi_wwan.c | 1 + drivers/net/vxlan.c | 6 +- .../realtek/rtlwifi/btcoexist/halbtcoutsrc.c | 15 - .../realtek/rtlwifi/btcoexist/halbtcoutsrc.h | 1 + .../wireless/realtek/rtlwifi/btcoexist/rtl_btc.c | 6 + .../wireless/realtek/rtlwifi/btcoexist/rtl_btc.h | 1 + .../net/wireless/realtek/rtlwifi/rtl8723be/hw.c | 11 +- drivers/net/wireless/realtek/rtlwifi/wifi.h | 6 + drivers/platform/x86/asus-wireless.c | 4 +- drivers/target/target_core_iblock.c | 8 +- drivers/usb/core/config.c | 4 +- drivers/usb/dwc3/gadget.c | 2 +- drivers/usb/musb/musb_gadget.c | 3 +- drivers/usb/musb/musb_host.c | 4 +- drivers/usb/serial/option.c | 448 ++++++++------------- drivers/usb/serial/visor.c | 69 ++-- fs/xfs/xfs_file.c | 14 +- include/net/dst.h | 8 + kernel/trace/trace_uprobe.c | 24 +- kernel/tracepoint.c | 4 +- lib/errseq.c | 25 +- mm/percpu.c | 1 + net/ipv4/ip_tunnel.c | 3 +- net/ipv4/ip_vti.c | 2 +- net/ipv6/ip6_tunnel.c | 5 +- net/ipv6/ip6_vti.c | 2 +- net/ipv6/sit.c | 4 +- sound/core/pcm_compat.c | 2 + sound/core/seq/seq_virmidi.c | 4 +- sound/drivers/aloop.c | 29 +- sound/firewire/amdtp-stream.c | 5 +- sound/pci/hda/patch_realtek.c | 2 +- tools/testing/selftests/firmware/fw_filesystem.sh | 6 +- 57 files changed, 547 insertions(+), 492 deletions(-)

7 years, 4 months

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[PATCH 4.9 00/32] 4.9.99-stable review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 4.9.99 release. There are 32 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Thu May 10 07:39:44 UTC 2018. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.99-rc1… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 4.9.99-rc1 Heiko Carstens <heiko.carstens(a)de.ibm.com> s390/facilites: use stfle_fac_list array size for MAX_FACILITY_BIT João Paulo Rechi Vita <jprvita(a)gmail.com> platform/x86: asus-wireless: Fix NULL pointer dereference Bin Liu <b-liu(a)ti.com> usb: musb: trace: fix NULL pointer dereference in musb_g_tx() Bin Liu <b-liu(a)ti.com> usb: musb: host: fix potential NULL pointer dereference SZ Lin (林上智) <sz.lin(a)moxa.com> USB: serial: option: adding support for ublox R410M Johan Hovold <johan(a)kernel.org> USB: serial: option: reimplement interface masking Alan Stern <stern(a)rowland.harvard.edu> USB: Accept bulk endpoints with 1024-byte maxpacket Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> USB: serial: visor: handle potential invalid device configuration Ben Hutchings <ben.hutchings(a)codethink.co.uk> test_firmware: fix setting old custom fw path back on exit, second try Sean Paul <seanpaul(a)chromium.org> drm/bridge: vga-dac: Fix edid memory leak Thomas Hellstrom <thellstrom(a)vmware.com> drm/vmwgfx: Fix a buffer object leak Sebastian Sanchez <sebastian.sanchez(a)intel.com> IB/hfi1: Fix NULL pointer dereference when invalid num_vls is used Danit Goldberg <danitg(a)mellanox.com> IB/mlx5: Use unlimited rate when static rate is not supported SZ Lin (林上智) <sz.lin(a)moxa.com> NET: usb: qmi_wwan: add support for ublox R410M PID 0x90b2 Leon Romanovsky <leonro(a)mellanox.com> RDMA/mlx5: Protect from shift operand overflow Roland Dreier <roland(a)purestorage.com> RDMA/ucma: Allow resolving address w/o specifying source address Raju Rangoju <rajur(a)chelsio.com> RDMA/cxgb4: release hw resources on device removal Darrick J. Wong <darrick.wong(a)oracle.com> xfs: prevent creating negative-sized file via INSERT_RANGE Vittorio Gambaletta (VittGam) <linuxbugs(a)vittgam.net> Input: atmel_mxt_ts - add touchpad button mapping for Samsung Chromebook Pro Dmitry Torokhov <dmitry.torokhov(a)gmail.com> Input: leds - fix out of bound access Mathieu Desnoyers <mathieu.desnoyers(a)efficios.com> tracepoint: Do not warn on ENOMEM Takashi Iwai <tiwai(a)suse.de> ALSA: aloop: Add missing cable lock to ctl API callbacks Robert Rosengren <robert.rosengren(a)axis.com> ALSA: aloop: Mark paused device as inactive Takashi Iwai <tiwai(a)suse.de> ALSA: seq: Fix races at MIDI encoding in snd_virmidi_output_trigger() Takashi Iwai <tiwai(a)suse.de> ALSA: pcm: Check PCM state at xfern compat ioctl Kristian Evensen <kristian.evensen(a)gmail.com> USB: serial: option: Add support for Quectel EP06 Uwe Kleine-König <u.kleine-koenig(a)pengutronix.de> serial: imx: ensure UCR3 and UFCR are setup correctly LEROY Christophe <christophe.leroy(a)c-s.fr> crypto: talitos - fix IPsec cipher in length Marc Zyngier <marc.zyngier(a)arm.com> arm/arm64: KVM: Add PSCI version selection API Teng Qin <qinteng(a)fb.com> bpf: map_get_next_key to return first key on NULL Tejun Heo <tj(a)kernel.org> percpu: include linux/sched.h for cond_resched() Tan Xiaojun <tanxiaojun(a)huawei.com> perf/core: Fix the perf_cpu_time_max_percent check ------------- Diffstat: Documentation/virtual/kvm/api.txt | 9 +- Documentation/virtual/kvm/arm/psci.txt | 30 ++ Makefile | 4 +- arch/arm/include/asm/kvm_host.h | 3 + arch/arm/include/uapi/asm/kvm.h | 6 + arch/arm/kvm/guest.c | 13 + arch/arm/kvm/psci.c | 60 +++ arch/arm64/include/asm/kvm_host.h | 3 + arch/arm64/include/uapi/asm/kvm.h | 6 + arch/arm64/kvm/guest.c | 14 +- arch/s390/include/asm/facility.h | 2 +- drivers/crypto/talitos.c | 41 +- drivers/gpu/drm/bridge/dumb-vga-dac.c | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 1 + drivers/infiniband/core/ucma.c | 2 +- drivers/infiniband/hw/cxgb4/device.c | 9 +- drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 4 + drivers/infiniband/hw/cxgb4/resource.c | 26 +- drivers/infiniband/hw/hfi1/init.c | 2 + drivers/infiniband/hw/hfi1/pcie.c | 3 - drivers/infiniband/hw/mlx5/qp.c | 22 +- drivers/input/input-leds.c | 8 +- drivers/input/touchscreen/atmel_mxt_ts.c | 9 + drivers/net/usb/qmi_wwan.c | 1 + drivers/platform/x86/asus-wireless.c | 4 +- drivers/tty/serial/imx.c | 14 +- drivers/usb/core/config.c | 4 +- drivers/usb/musb/musb_gadget.c | 3 +- drivers/usb/musb/musb_host.c | 4 +- drivers/usb/serial/option.c | 448 ++++++++-------------- drivers/usb/serial/visor.c | 69 ++-- fs/xfs/xfs_file.c | 14 +- include/kvm/arm_psci.h | 16 +- kernel/bpf/arraymap.c | 2 +- kernel/bpf/hashtab.c | 9 +- kernel/bpf/syscall.c | 20 +- kernel/events/core.c | 2 +- kernel/tracepoint.c | 4 +- mm/percpu.c | 1 + sound/core/pcm_compat.c | 2 + sound/core/seq/seq_virmidi.c | 4 +- sound/drivers/aloop.c | 29 +- tools/testing/selftests/firmware/fw_filesystem.sh | 6 +- 43 files changed, 530 insertions(+), 407 deletions(-)

7 years, 4 months

4
29
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[PATCH] mtd: rawnand: marvell: fix command xtype in BCH write hook

by Miquel Raynal

One layout supported by the Marvell NAND controller supports NAND pages of 2048 bytes, all handled in one single chunk when using BCH with a strength of 4-bit per 512 bytes. In this case, instead of the generic XTYPE_WRITE_DISPATCH/XTYPE_LAST_NAKED_RW couple, the controller expects to receive XTYPE_MONOLITHIC_RW. This fixes problems at boot like: [ 1.315475] Scanning device for bad blocks [ 3.203108] marvell-nfc f10d0000.flash: Timeout waiting for RB signal [ 3.209564] nand_bbt: error while writing BBT block -110 [ 4.243106] marvell-nfc f10d0000.flash: Timeout waiting for RB signal [ 5.283106] marvell-nfc f10d0000.flash: Timeout waiting for RB signal [ 5.289562] nand_bbt: error -110 while marking block 2047 bad [ 6.323106] marvell-nfc f10d0000.flash: Timeout waiting for RB signal [ 6.329559] nand_bbt: error while writing BBT block -110 [ 7.363106] marvell-nfc f10d0000.flash: Timeout waiting for RB signal [ 8.403105] marvell-nfc f10d0000.flash: Timeout waiting for RB signal [ 8.409559] nand_bbt: error -110 while marking block 2046 bad ... Fixes: 02f26ecf8c772 ("mtd: nand: add reworked Marvell NAND controller driver") Cc: stable(a)vger.kernel.org Signed-off-by: Miquel Raynal <miquel.raynal(a)bootlin.com> --- Chris, Can you please give this patch a try? This is very likely to solve your boot issue. Thanks, Miquèl drivers/mtd/nand/raw/marvell_nand.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c index e4b964fd40d8..db5ec4e8bde9 100644 --- a/drivers/mtd/nand/raw/marvell_nand.c +++ b/drivers/mtd/nand/raw/marvell_nand.c @@ -1408,6 +1408,7 @@ marvell_nfc_hw_ecc_bch_write_chunk(struct nand_chip *chip, int chunk, struct marvell_nand_chip *marvell_nand = to_marvell_nand(chip); struct marvell_nfc *nfc = to_marvell_nfc(chip->controller); const struct marvell_hw_ecc_layout *lt = to_marvell_nand(chip)->layout; + u32 xtype; int ret; struct marvell_nfc_op nfc_op = { .ndcb[0] = NDCB0_CMD_TYPE(TYPE_WRITE) | NDCB0_LEN_OVRD, @@ -1423,7 +1424,12 @@ marvell_nfc_hw_ecc_bch_write_chunk(struct nand_chip *chip, int chunk, * last naked write. */ if (chunk == 0) { - nfc_op.ndcb[0] |= NDCB0_CMD_XTYPE(XTYPE_WRITE_DISPATCH) | + if (lt->nchunks == 1) + xtype = XTYPE_MONOLITHIC_RW; + else + xtype = XTYPE_WRITE_DISPATCH; + + nfc_op.ndcb[0] |= NDCB0_CMD_XTYPE(xtype) | NDCB0_ADDR_CYC(marvell_nand->addr_cyc) | NDCB0_CMD1(NAND_CMD_SEQIN); nfc_op.ndcb[1] |= NDCB1_ADDRS_PAGE(page); -- 2.14.1

7 years, 4 months

3
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[PATCH v4] PCI / PM: Always check PME wakeup capability for runtime wakeup support

by Kai-Heng Feng

USB controller ASM1042 stops working after commit de3ef1eb1cd0 ("PM / core: Drop run_wake flag from struct dev_pm_info"). The device in question is not power managed by platform firmware, furthermore, it only supports PME# from D3cold: Capabilities: [78] Power Management version 3 Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA PME(D0-,D1-,D2-,D3hot-,D3cold+) Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME- Before commit de3ef1eb1cd0, the device never gets runtime suspended. After that commit, the device gets runtime suspended to D3hot, which can not generate any PME#. usb_hcd_pci_probe() unconditionally calls device_wakeup_enable(), hence device_can_wakeup() in pci_dev_run_wake() always returns true. So pci_dev_run_wake() needs to check PME wakeup capability as its first condition. In addition, change wakeup flag passed to pci_target_state() from false to true, because we want to find the deepest state that the device can still generate PME#. In this case, it's D0 for the device in question. Fixes: de3ef1eb1cd0 ("PM / core: Drop run_wake flag from struct dev_pm_info") Cc: stable(a)vger.kernel.org # 4.13+ Signed-off-by: Kai-Heng Feng <kai.heng.feng(a)canonical.com> --- v4: Correct some errors in commit log. v3: State the reason why the wakeup flag gets changed. v2: Explicitly check dev->pme_support. drivers/pci/pci.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index a04197ce767d..c2616cad3a1d 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -2138,16 +2138,16 @@ bool pci_dev_run_wake(struct pci_dev *dev) { struct pci_bus *bus = dev->bus; - if (device_can_wakeup(&dev->dev)) - return true; - if (!dev->pme_support) return false; /* PME-capable in principle, but not from the target power state */ - if (!pci_pme_capable(dev, pci_target_state(dev, false))) + if (!pci_pme_capable(dev, pci_target_state(dev, true))) return false; + if (device_can_wakeup(&dev->dev)) + return true; + while (bus->parent) { struct pci_dev *bridge = bus->self; -- 2.17.0

7 years, 4 months

3
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[PATCH v2] mtd: rawnand: Make sure we wait tWB before polling the STATUS reg

by Boris Brezillon

NAND chips require a bit of time to take the NAND operation into account and set the BUSY bit in the STATUS reg. Make sure we don't poll the STATUS reg too early in nand_soft_waitrdy(). Fixes: 8878b126df76 ("mtd: nand: add ->exec_op() implementation") Cc: <stable(a)vger.kernel.org> Signed-off-by: Boris Brezillon <boris.brezillon(a)bootlin.com> --- Changes in v2: - Move the ndelay() to nand_soft_waitrdy() instead of having it in the FSMC driver --- drivers/mtd/nand/raw/nand_base.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index 72f3a89da513..da94fcb4dd9b 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -706,12 +706,17 @@ static void nand_wait_status_ready(struct mtd_info *mtd, unsigned long timeo) */ int nand_soft_waitrdy(struct nand_chip *chip, unsigned long timeout_ms) { + const struct nand_sdr_timings *timings; u8 status = 0; int ret; if (!chip->exec_op) return -ENOTSUPP; + /* Wait tWB before polling the STATUS reg. */ + timings = nand_get_sdr_timings(&chip->data_interface); + ndelay(PSEC_TO_NSEC(sdr->tWB_max)); + ret = nand_status_op(chip, NULL); if (ret) return ret; -- 2.14.1

7 years, 4 months

2
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Re: [PATCH] compiler-gcc: disable -ftracer for __noclone functions

by Nadav Amit

Paolo Bonzini <pbonzini(a)redhat.com> wrote: > -ftracer can duplicate asm blocks causing compilation to fail in > noclone functions. For example, KVM declares a global variable > in an asm like > > asm("2: ... \n > .pushsection data \n > .global vmx_return \n > vmx_return: .long 2b"); > > and -ftracer causes a double declaration. > > Cc: Andrew Morton <akpm(a)linux-foundation.org> > Cc: Michal Marek <mmarek(a)suse.cz> > Cc: stable(a)vger.kernel.org > Cc: kvm(a)vger.kernel.org > Reported-by: Linda Walsh <lkml(a)tlinx.org> > Signed-off-by: Paolo Bonzini <pbonzini(a)redhat.com> > --- > include/linux/compiler-gcc.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h > index 22ab246feed3..eeae401a2412 100644 > --- a/include/linux/compiler-gcc.h > +++ b/include/linux/compiler-gcc.h > @@ -199,7 +199,7 @@ > #define unreachable() __builtin_unreachable() > > /* Mark a function definition as prohibited from being cloned. */ > -#define __noclone __attribute__((__noclone__)) > +#define __noclone __attribute__((__noclone__, __optimize__("no-tracer"))) [ Bringing the thread back from the dead for context ] Setting different optimization attributes to certain functions apparently prevents gcc from inlining functions with different “optimizations”. This results in poor compilation - most notably of vmx_vcpu_run() - and causes short functions such as to_vmx() not to be inlined. Regards, Nadav

7 years, 4 months

2
2
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[PATCH 25/25] drm/amd/display: Clear connector's edid pointer

by Harry Wentland

From: Mikita Lipski <mikita.lipski(a)amd.com> Clear connector's edid pointer on coonnector update, when unplugging the display. Fix poison EDID when hotplugging on previously used connector. Signed-off-by: Mikita Lipski <mikita.lipski(a)amd.com> Reviewed-by: Harry Wentland <Harry.Wentland(a)amd.com> Cc: stable(a)vger.kernel.org --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 1a63c04b2016..b80d2134b9ea 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -907,6 +907,7 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector) drm_mode_connector_update_edid_property(connector, NULL); aconnector->num_modes = 0; aconnector->dc_sink = NULL; + aconnector->edid = NULL; } mutex_unlock(&dev->mode_config.mutex); -- 2.17.0

7 years, 4 months

1
0
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[PATCH] s390/cpum_sf: Add descriptor sizes in sampling trailer entry

by Thomas Richter

The CPU Measurement sampling facility creates a trailer entry for each Sample-Data-Block of stored samples. The trailer entry contains the sizes (in bytes) of the stored samples types: - basic-sampling data entry size - diagnostic-sampling data entry size Both sizes are 2 bytes long. This patch changes the trailer entry definition to reflect this. Fixes: fcc77f507333 ("s390/cpum_sf: Atomically reset trailer entry fields of sample-data-blocks") Cc: stable(a)vger.kernel.org # v3.14+ Signed-off-by: Thomas Richter <tmricht(a)linux.ibm.com> Reviewed-by: Hendrik Brueckner <brueckner(a)linux.ibm.com> --- arch/s390/include/asm/cpu_mf.h | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h index 7093a27520ee..5c5b747671e8 100644 --- a/arch/s390/include/asm/cpu_mf.h +++ b/arch/s390/include/asm/cpu_mf.h @@ -129,11 +129,15 @@ struct hws_trailer_entry { unsigned int f:1; /* 0 - Block Full Indicator */ unsigned int a:1; /* 1 - Alert request control */ unsigned int t:1; /* 2 - Timestamp format */ - unsigned long long:61; /* 3 - 63: Reserved */ + unsigned long :29; /* 3 - 31: Reserved */ + }; + unsigned long flags; /* 0 - 31: All indicators */ + struct { + unsigned short bsdes; /* 32-47: Basic set desc size*/ + unsigned short dsdes; /* 48-63 Diag set desc size */ }; - unsigned long long flags; /* 0 - 63: All indicators */ }; - unsigned long long overflow; /* 64 - sample Overflow count */ + unsigned long long overflow; /* 8 - sample Overflow count */ unsigned char timestamp[16]; /* 16 - 31 timestamp */ unsigned long long reserved1; /* 32 -Reserved */ unsigned long long reserved2; /* */ -- 2.16.3

7 years, 4 months

1
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[PATCH 4/7] can: kvaser_usb: Increase correct stats counter in kvaser_usb_rx_can_msg()

by Marc Kleine-Budde

From: Jimmy Assarsson <extja(a)kvaser.com> Increase rx_dropped, if alloc_can_skb() fails, not tx_dropped. Signed-off-by: Jimmy Assarsson <extja(a)kvaser.com> Cc: linux-stable <stable(a)vger.kernel.org> Signed-off-by: Marc Kleine-Budde <mkl(a)pengutronix.de> --- drivers/net/can/usb/kvaser_usb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c index 63587b8e6825..daed57d3d209 100644 --- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -1179,7 +1179,7 @@ static void kvaser_usb_rx_can_msg(const struct kvaser_usb *dev, skb = alloc_can_skb(priv->netdev, &cf); if (!skb) { - stats->tx_dropped++; + stats->rx_dropped++; return; } -- 2.17.0

7 years, 4 months

1
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[PATCH 3/7] arm: dts: imx[35]*: declare flexcan devices to be compatible to imx25's flexcan

by Marc Kleine-Budde

From: Uwe Kleine-König <u.kleine-koenig(a)pengutronix.de> Commit d50f4630c2e1 ("arm: dts: Remove p1010-flexcan compatible from imx series dts") removed the fallback compatible "fsl,p1010-flexcan" from the imx device trees. As the flexcan cores on i.MX25, i.MX35 and i.MX53 are identical, introduce the first as fallback for the two latter ones. Fixes: d50f4630c2e1 ("arm: dts: Remove p1010-flexcan compatible from imx series dts") Signed-off-by: Uwe Kleine-König <u.kleine-koenig(a)pengutronix.de> Cc: linux-stable <stable(a)vger.kernel.org> # >= v4.16 Signed-off-by: Marc Kleine-Budde <mkl(a)pengutronix.de> --- arch/arm/boot/dts/imx35.dtsi | 4 ++-- arch/arm/boot/dts/imx53.dtsi | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/imx35.dtsi b/arch/arm/boot/dts/imx35.dtsi index bf343195697e..54111ed218b1 100644 --- a/arch/arm/boot/dts/imx35.dtsi +++ b/arch/arm/boot/dts/imx35.dtsi @@ -303,7 +303,7 @@ }; can1: can@53fe4000 { - compatible = "fsl,imx35-flexcan"; + compatible = "fsl,imx35-flexcan", "fsl,imx25-flexcan"; reg = <0x53fe4000 0x1000>; clocks = <&clks 33>, <&clks 33>; clock-names = "ipg", "per"; @@ -312,7 +312,7 @@ }; can2: can@53fe8000 { - compatible = "fsl,imx35-flexcan"; + compatible = "fsl,imx35-flexcan", "fsl,imx25-flexcan"; reg = <0x53fe8000 0x1000>; clocks = <&clks 34>, <&clks 34>; clock-names = "ipg", "per"; diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi index 7d647d043f52..3d65c0192f69 100644 --- a/arch/arm/boot/dts/imx53.dtsi +++ b/arch/arm/boot/dts/imx53.dtsi @@ -551,7 +551,7 @@ }; can1: can@53fc8000 { - compatible = "fsl,imx53-flexcan"; + compatible = "fsl,imx53-flexcan", "fsl,imx25-flexcan"; reg = <0x53fc8000 0x4000>; interrupts = <82>; clocks = <&clks IMX5_CLK_CAN1_IPG_GATE>, @@ -561,7 +561,7 @@ }; can2: can@53fcc000 { - compatible = "fsl,imx53-flexcan"; + compatible = "fsl,imx53-flexcan", "fsl,imx25-flexcan"; reg = <0x53fcc000 0x4000>; interrupts = <83>; clocks = <&clks IMX5_CLK_CAN2_IPG_GATE>, -- 2.17.0

7 years, 4 months

1
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[PATCH 2/7] can: flexcan: fix endianess detection

by Marc Kleine-Budde

From: Uwe Kleine-König <u.kleine-koenig(a)pengutronix.de> In commit 88462d2a7830 ("can: flexcan: Remodel FlexCAN register r/w APIs for big endian FlexCAN controllers.") the following logic was implemented: if the dt property "big-endian" is given or the device is compatible to "fsl,p1010-flexcan": use big-endian mode; else use little-endian mode; This relies on commit d50f4630c2e1 ("arm: dts: Remove p1010-flexcan compatible from imx series dts") which was applied a few commits later. Without this commit (or an old device tree used for booting a new kernel) the flexcan devices on i.MX25, i.MX28, i.MX35 and i.MX53 match the 'the device is compatible to "fsl,p1010-flexcan"' test and so are switched erroneously to big endian mode. Instead of the check above put a quirk in devtype data and rely on of_match_device yielding the most compatible match Fixes: 88462d2a7830 ("can: flexcan: Remodel FlexCAN register r/w APIs for big endian FlexCAN controllers.") Signed-off-by: Uwe Kleine-König <u.kleine-koenig(a)pengutronix.de> Tested-by: Gavin Schenk <g.schenk(a)eckelmann.de> Cc: linux-stable <stable(a)vger.kernel.org> # >= v4.16 Signed-off-by: Marc Kleine-Budde <mkl(a)pengutronix.de> --- drivers/net/can/flexcan.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 634c51e6b8ae..d53a45bf2a72 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -200,6 +200,7 @@ #define FLEXCAN_QUIRK_DISABLE_MECR BIT(4) /* Disable Memory error detection */ #define FLEXCAN_QUIRK_USE_OFF_TIMESTAMP BIT(5) /* Use timestamp based offloading */ #define FLEXCAN_QUIRK_BROKEN_PERR_STATE BIT(6) /* No interrupt for error passive */ +#define FLEXCAN_QUIRK_DEFAULT_BIG_ENDIAN BIT(7) /* default to BE register access */ /* Structure of the message buffer */ struct flexcan_mb { @@ -287,6 +288,12 @@ struct flexcan_priv { }; static const struct flexcan_devtype_data fsl_p1010_devtype_data = { + .quirks = FLEXCAN_QUIRK_BROKEN_WERR_STATE | + FLEXCAN_QUIRK_BROKEN_PERR_STATE | + FLEXCAN_QUIRK_DEFAULT_BIG_ENDIAN, +}; + +static const struct flexcan_devtype_data fsl_imx25_devtype_data = { .quirks = FLEXCAN_QUIRK_BROKEN_WERR_STATE | FLEXCAN_QUIRK_BROKEN_PERR_STATE, }; @@ -1251,9 +1258,9 @@ static void unregister_flexcandev(struct net_device *dev) static const struct of_device_id flexcan_of_match[] = { { .compatible = "fsl,imx6q-flexcan", .data = &fsl_imx6q_devtype_data, }, { .compatible = "fsl,imx28-flexcan", .data = &fsl_imx28_devtype_data, }, - { .compatible = "fsl,imx53-flexcan", .data = &fsl_p1010_devtype_data, }, - { .compatible = "fsl,imx35-flexcan", .data = &fsl_p1010_devtype_data, }, - { .compatible = "fsl,imx25-flexcan", .data = &fsl_p1010_devtype_data, }, + { .compatible = "fsl,imx53-flexcan", .data = &fsl_imx25_devtype_data, }, + { .compatible = "fsl,imx35-flexcan", .data = &fsl_imx25_devtype_data, }, + { .compatible = "fsl,imx25-flexcan", .data = &fsl_imx25_devtype_data, }, { .compatible = "fsl,p1010-flexcan", .data = &fsl_p1010_devtype_data, }, { .compatible = "fsl,vf610-flexcan", .data = &fsl_vf610_devtype_data, }, { .compatible = "fsl,ls1021ar2-flexcan", .data = &fsl_ls1021a_r2_devtype_data, }, @@ -1337,18 +1344,13 @@ static int flexcan_probe(struct platform_device *pdev) priv = netdev_priv(dev); - if (of_property_read_bool(pdev->dev.of_node, "big-endian")) { + if (of_property_read_bool(pdev->dev.of_node, "big-endian") || + devtype_data->quirks & FLEXCAN_QUIRK_DEFAULT_BIG_ENDIAN) { priv->read = flexcan_read_be; priv->write = flexcan_write_be; } else { - if (of_device_is_compatible(pdev->dev.of_node, - "fsl,p1010-flexcan")) { - priv->read = flexcan_read_be; - priv->write = flexcan_write_be; - } else { - priv->read = flexcan_read_le; - priv->write = flexcan_write_le; - } + priv->read = flexcan_read_le; + priv->write = flexcan_write_le; } priv->can.clock.freq = clock_freq; -- 2.17.0

7 years, 4 months

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[PATCH] perf: fix invalid bit in diagnostic entry

by Thomas Richter

The s390 CPU measurement facility sampling mode supports basic entries and diagnostic entries. Each entry has a valid bit to indicate the status of the entry as valid or invalid. This bit is bit 31 in the diagnostic entry, but the bit mask definition refers to bit 30. Fix this by making the reserved field one bit larger. Cc: stable(a)vger.kernel.org # v3.14+ Fixes: 7e75fc3ff4cf ("s390/cpum_sf: Add raw data sampling to support the diagnostic-sampling function") Signed-off-by: Thomas Richter <tmricht(a)linux.ibm.com> Reviewed-by: Hendrik Brueckner <brueckner(a)linux.vnet.ibm.com> --- arch/s390/include/asm/cpu_mf.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h index f58d17e9dd65..7093a27520ee 100644 --- a/arch/s390/include/asm/cpu_mf.h +++ b/arch/s390/include/asm/cpu_mf.h @@ -113,7 +113,7 @@ struct hws_basic_entry { struct hws_diag_entry { unsigned int def:16; /* 0-15 Data Entry Format */ - unsigned int R:14; /* 16-19 and 20-30 reserved */ + unsigned int R:15; /* 16-19 and 20-30 reserved */ unsigned int I:1; /* 31 entry valid or invalid */ u8 data[]; /* Machine-dependent sample data */ } __packed; -- 2.16.3

7 years, 4 months

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Re: Patch "mm/kmemleak.c: wait for scan completion before disabling free" has been added to the 3.18-stable tree

by Vinayak Menon

On 5/3/2018 2:13 AM, gregkh(a)linuxfoundation.org wrote: > This is a note to let you know that I've just added the patch titled > > mm/kmemleak.c: wait for scan completion before disabling free > > to the 3.18-stable tree which can be found at: > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… > > The filename of the patch is: > mm-kmemleak.c-wait-for-scan-completion-before-disabling-free.patch > and it can be found in the queue-3.18 subdirectory. > > If you, or anyone else, feels it should not be added to the stable tree, > please let <stable(a)vger.kernel.org> know about it. > > > From foo@baz Wed May 2 13:21:44 PDT 2018 > From: Vinayak Menon <vinmenon(a)codeaurora.org> > Date: Wed, 28 Mar 2018 16:01:16 -0700 > Subject: mm/kmemleak.c: wait for scan completion before disabling free > > From: Vinayak Menon <vinmenon(a)codeaurora.org> > > [ Upstream commit 914b6dfff790544d9b77dfd1723adb3745ec9700 ] > > A crash is observed when kmemleak_scan accesses the object->pointer, > likely due to the following race. > > TASK A TASK B TASK C > kmemleak_write > (with "scan" and > NOT "scan=on") > kmemleak_scan() > create_object > kmem_cache_alloc fails > kmemleak_disable > kmemleak_do_cleanup > kmemleak_free_enabled = 0 > kfree > kmemleak_free bails out > (kmemleak_free_enabled is 0) > slub frees object->pointer > update_checksum > crash - object->pointer > freed (DEBUG_PAGEALLOC) > > kmemleak_do_cleanup waits for the scan thread to complete, but not for > direct call to kmemleak_scan via kmemleak_write. So add a wait for > kmemleak_scan completion before disabling kmemleak_free, and while at it > fix the comment on stop_scan_thread. > > [vinmenon(a)codeaurora.org: fix stop_scan_thread comment] > Link: http://lkml.kernel.org/r/1522219972-22809-1-git-send-email-vinmenon@codeaur… > Link: http://lkml.kernel.org/r/1522063429-18992-1-git-send-email-vinmenon@codeaur… > Signed-off-by: Vinayak Menon <vinmenon(a)codeaurora.org> > Reviewed-by: Catalin Marinas <catalin.marinas(a)arm.com> > Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> > Signed-off-by: Linus Torvalds <torvalds(a)linux-foundation.org> > Signed-off-by: Sasha Levin <alexander.levin(a)microsoft.com> > Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> > --- > mm/kmemleak.c | 12 +++++++----- > 1 file changed, 7 insertions(+), 5 deletions(-) > > --- a/mm/kmemleak.c > +++ b/mm/kmemleak.c > @@ -1481,8 +1481,7 @@ static void start_scan_thread(void) > } > > /* > - * Stop the automatic memory scanning thread. This function must be called > - * with the scan_mutex held. > + * Stop the automatic memory scanning thread. > */ > static void stop_scan_thread(void) > { > @@ -1746,12 +1745,15 @@ static void kmemleak_do_cleanup(struct w > mutex_lock(&scan_mutex); > stop_scan_thread(); > > + mutex_lock(&scan_mutex); The lock is taken once above stop_scan_thread() and can result in a deadlock. The lock was removed from kmemleak_do_cleanup by following commit which is not present on 3.18 commit 5f369f374ba4889fe3c17883402db5ee8d254216 Author: Catalin Marinas <catalin.marinas(a)arm.com> Date: Wed Jun 24 16:58:31 2015 -0700 mm: kmemleak: do not acquire scan_mutex in kmemleak_do_cleanup() So we may have to pick the above patch too. > /* > - * Once the scan thread has stopped, it is safe to no longer track > - * object freeing. Ordering of the scan thread stopping and the memory > - * accesses below is guaranteed by the kthread_stop() function. > + * Once it is made sure that kmemleak_scan has stopped, it is safe to no > + * longer track object freeing. Ordering of the scan thread stopping and > + * the memory accesses below is guaranteed by the kthread_stop() > + * function. > */ > kmemleak_free_enabled = 0; > + mutex_unlock(&scan_mutex); > > if (!kmemleak_found_leaks) > __kmemleak_do_cleanup(); > > > Patches currently in stable-queue which might be from vinmenon(a)codeaurora.org are > > queue-3.18/mm-kmemleak.c-wait-for-scan-completion-before-disabling-free.patch

7 years, 4 months

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Re: Patch "ASoC: samsung: i2s: Ensure the RCLK rate is properly determined" has been added to the 3.18-stable tree

by Sylwester Nawrocki

Hello, On 05/02/2018 10:43 PM, gregkh(a)linuxfoundation.org wrote: > This is a note to let you know that I've just added the patch titled > > ASoC: samsung: i2s: Ensure the RCLK rate is properly determined > > to the 3.18-stable tree which can be found at: > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… > > The filename of the patch is: > asoc-samsung-i2s-ensure-the-rclk-rate-is-properly-determined.patch > and it can be found in the queue-3.18 subdirectory. > > If you, or anyone else, feels it should not be added to the stable tree, > please let <stable(a)vger.kernel.org> know about it. Please drop this patch from the stable queue for 3.18 as it depends on patch 074b89bb5fb7 ASoC: samsung: i2s: Add clock provider for the I2S internal clocks $ git describe 074b89bb5fb7 v3.19-rc1-14-g074b89bb5fb7 There is a related build break reported by kbuild test robot already. -- Thanks, Sylwester

7 years, 4 months

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Re: Patch "clk: samsung: s3c2410: Fix PLL rates" has been added to the 3.18-stable tree

by Sylwester Nawrocki

Hello, On 05/02/2018 10:43 PM, gregkh(a)linuxfoundation.org wrote: > Patches currently in stable-queue which might be from a.hajda(a)samsung.com are > > queue-3.18/clk-samsung-exynos5260-fix-pll-rates.patch > queue-3.18/clk-samsung-exynos3250-fix-pll-rates.patch > queue-3.18/clk-samsung-s3c2410-fix-pll-rates.patch > queue-3.18/clk-samsung-exynos5250-fix-pll-rates.patch Please drop the above patches from 3.18 stable queue, they may potentially cause regressions if other drivers, like audio card, are not also updated accordingly. -- Thanks, Sylwester

7 years, 4 months

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[PATCH] zfcp: fix infinite iteration on ERP ready list

by Steffen Maier

From: Jens Remus <jremus(a)linux.ibm.com> zfcp_erp_adapter_reopen() schedules blocking of all of the adapter's rports via zfcp_scsi_schedule_rports_block() and enqueues a reopen adapter ERP action via zfcp_erp_action_enqueue(). Both are separately processed asynchronously and concurrently. Blocking of rports is done in a kworker by zfcp_scsi_rport_work(). It calls zfcp_scsi_rport_block(), which then traces a DBF REC "scpdely" via zfcp_dbf_rec_trig(). zfcp_dbf_rec_trig() acquires the DBF REC spin lock and then iterates with list_for_each() over the adapter's ERP ready list without holding the ERP lock. This opens a race window in which the current list entry can be moved to another list, causing list_for_each() to iterate forever on the wrong list, as the erp_ready_head is never encountered as terminal condition. Meanwhile the ERP action can be processed in the ERP thread by zfcp_erp_thread(). It calls zfcp_erp_strategy(), which acquires the ERP lock and then calls zfcp_erp_action_to_running() to move the ERP action from the ready to the running list. zfcp_erp_action_to_running() can move the ERP action using list_move() just during the aforementioned race window. It then traces a REC RUN "erator1" via zfcp_dbf_rec_run(). zfcp_dbf_rec_run() tries to acquire the DBF REC spin lock. If this is held by the infinitely looping kworker, it effectively spins forever. Example Sequence Diagram: Process ERP Thread rport_work ------------------- ------------------- ------------------- zfcp_erp_adapter_reopen() zfcp_erp_adapter_block() zfcp_scsi_schedule_rports_block() lock ERP zfcp_scsi_rport_work() zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_ADAPTER) list_add_tail() on ready !(rport_task==RPORT_ADD) wake_up() ERP thread zfcp_scsi_rport_block() zfcp_dbf_rec_trig() zfcp_erp_strategy() zfcp_dbf_rec_trig() unlock ERP lock DBF REC zfcp_erp_wait() lock ERP | zfcp_erp_action_to_running() | list_for_each() ready | list_move() current entry | ready to running | zfcp_dbf_rec_run() endless loop over running | zfcp_dbf_rec_run_lvl() | lock DBF REC spins forever Any adapter recovery can trigger this, such as setting the device offline or reboot. V4.9 commit 4eeaa4f3f1d6 ("zfcp: close window with unblocked rport during rport gone") introduced additional tracing of (un)blocking of rports. It missed that the adapter->erp_lock must be held when calling zfcp_dbf_rec_trig(). This fix uses the approach formerly introduced by commit aa0fec62391c ("[SCSI] zfcp: Fix sparse warning by providing new entry in dbf") that got later removed by commit ae0904f60fab ("[SCSI] zfcp: Redesign of the debug tracing for recovery actions."). Introduce zfcp_dbf_rec_trig_lock(), a wrapper for zfcp_dbf_rec_trig() that acquires and releases the adapter->erp_lock for read. Reported-by: Sebastian Ott <sebott(a)linux.ibm.com> Signed-off-by: Jens Remus <jremus(a)linux.ibm.com> Fixes: 4eeaa4f3f1d6 ("zfcp: close window with unblocked rport during rport gone") Cc: <stable(a)vger.kernel.org> # 2.6.32+ Reviewed-by: Benjamin Block <bblock(a)linux.vnet.ibm.com> Signed-off-by: Steffen Maier <maier(a)linux.ibm.com> --- James, Martin, this is an important zfcp regression fix. It would be nice if it could make it into 4.17-rcX. The patch applies to James' fixes branch or Martin's 4.17/scsi-fixes branch. Regards, Steffen drivers/s390/scsi/zfcp_dbf.c | 23 ++++++++++++++++++++++- drivers/s390/scsi/zfcp_ext.h | 5 ++++- drivers/s390/scsi/zfcp_scsi.c | 14 +++++++------- 3 files changed, 33 insertions(+), 9 deletions(-) diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index a8b831000b2d..18c4f933e8b9 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -4,7 +4,7 @@ * * Debug traces for zfcp. * - * Copyright IBM Corp. 2002, 2017 + * Copyright IBM Corp. 2002, 2018 */ #define KMSG_COMPONENT "zfcp" @@ -308,6 +308,27 @@ void zfcp_dbf_rec_trig(char *tag, struct zfcp_adapter *adapter, spin_unlock_irqrestore(&dbf->rec_lock, flags); } +/** + * zfcp_dbf_rec_trig_lock - trace event related to triggered recovery with lock + * @tag: identifier for event + * @adapter: adapter on which the erp_action should run + * @port: remote port involved in the erp_action + * @sdev: scsi device involved in the erp_action + * @want: wanted erp_action + * @need: required erp_action + * + * The adapter->erp_lock must not be held. + */ +void zfcp_dbf_rec_trig_lock(char *tag, struct zfcp_adapter *adapter, + struct zfcp_port *port, struct scsi_device *sdev, + u8 want, u8 need) +{ + unsigned long flags; + + read_lock_irqsave(&adapter->erp_lock, flags); + zfcp_dbf_rec_trig(tag, adapter, port, sdev, want, need); + read_unlock_irqrestore(&adapter->erp_lock, flags); +} /** * zfcp_dbf_rec_run_lvl - trace event related to running recovery diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index bf8ea4df2bb8..e5eed8aac0ce 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -4,7 +4,7 @@ * * External function declarations. * - * Copyright IBM Corp. 2002, 2016 + * Copyright IBM Corp. 2002, 2018 */ #ifndef ZFCP_EXT_H @@ -35,6 +35,9 @@ extern int zfcp_dbf_adapter_register(struct zfcp_adapter *); extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *); extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *, struct zfcp_port *, struct scsi_device *, u8, u8); +extern void zfcp_dbf_rec_trig_lock(char *tag, struct zfcp_adapter *adapter, + struct zfcp_port *port, + struct scsi_device *sdev, u8 want, u8 need); extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *); extern void zfcp_dbf_rec_run_lvl(int level, char *tag, struct zfcp_erp_action *erp); diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 4d2ba5682493..22f9562f415c 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -4,7 +4,7 @@ * * Interface to Linux SCSI midlayer. * - * Copyright IBM Corp. 2002, 2017 + * Copyright IBM Corp. 2002, 2018 */ #define KMSG_COMPONENT "zfcp" @@ -618,9 +618,9 @@ static void zfcp_scsi_rport_register(struct zfcp_port *port) ids.port_id = port->d_id; ids.roles = FC_RPORT_ROLE_FCP_TARGET; - zfcp_dbf_rec_trig("scpaddy", port->adapter, port, NULL, - ZFCP_PSEUDO_ERP_ACTION_RPORT_ADD, - ZFCP_PSEUDO_ERP_ACTION_RPORT_ADD); + zfcp_dbf_rec_trig_lock("scpaddy", port->adapter, port, NULL, + ZFCP_PSEUDO_ERP_ACTION_RPORT_ADD, + ZFCP_PSEUDO_ERP_ACTION_RPORT_ADD); rport = fc_remote_port_add(port->adapter->scsi_host, 0, &ids); if (!rport) { dev_err(&port->adapter->ccw_device->dev, @@ -642,9 +642,9 @@ static void zfcp_scsi_rport_block(struct zfcp_port *port) struct fc_rport *rport = port->rport; if (rport) { - zfcp_dbf_rec_trig("scpdely", port->adapter, port, NULL, - ZFCP_PSEUDO_ERP_ACTION_RPORT_DEL, - ZFCP_PSEUDO_ERP_ACTION_RPORT_DEL); + zfcp_dbf_rec_trig_lock("scpdely", port->adapter, port, NULL, + ZFCP_PSEUDO_ERP_ACTION_RPORT_DEL, + ZFCP_PSEUDO_ERP_ACTION_RPORT_DEL); fc_remote_port_delete(rport); port->rport = NULL; } -- 2.13.5

7 years, 4 months

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