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* Merge 4.4.108 into android-4.4Greg Kroah-Hartman2017-12-27
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes in 4.4.108 arm64: Initialise high_memory global variable earlier cxl: Check if vphb exists before iterating over AFU devices x86/mm: Add INVPCID helpers x86/mm: Fix INVPCID asm constraint x86/mm: Add a 'noinvpcid' boot option to turn off INVPCID x86/mm: If INVPCID is available, use it to flush global mappings mm/rmap: batched invalidations should use existing api mm/mmu_context, sched/core: Fix mmu_context.h assumption sched/core: Add switch_mm_irqs_off() and use it in the scheduler x86/mm: Build arch/x86/mm/tlb.c even on !SMP x86/mm, sched/core: Uninline switch_mm() x86/mm, sched/core: Turn off IRQs in switch_mm() ARM: Hide finish_arch_post_lock_switch() from modules sched/core: Idle_task_exit() shouldn't use switch_mm_irqs_off() x86/irq: Do not substract irq_tlb_count from irq_call_count ALSA: hda - add support for docking station for HP 820 G2 ALSA: hda - add support for docking station for HP 840 G3 arm: kprobes: Fix the return address of multiple kretprobes arm: kprobes: Align stack to 8-bytes in test code cpuidle: Validate cpu_dev in cpuidle_add_sysfs() r8152: fix the list rx_done may be used without initialization crypto: deadlock between crypto_alg_sem/rtnl_mutex/genl_mutex sch_dsmark: fix invalid skb_cow() usage bna: integer overflow bug in debugfs net: qmi_wwan: Add USB IDs for MDM6600 modem on Motorola Droid 4 usb: gadget: f_uvc: Sanity check wMaxPacketSize for SuperSpeed usb: gadget: udc: remove pointer dereference after free netfilter: nfnl_cthelper: fix runtime expectation policy updates netfilter: nfnl_cthelper: Fix memory leak inet: frag: release spinlock before calling icmp_send() pinctrl: st: add irq_request/release_resources callbacks scsi: lpfc: Fix PT2PT PRLI reject KVM: x86: correct async page present tracepoint KVM: VMX: Fix enable VPID conditions ARM: dts: ti: fix PCI bus dtc warnings hwmon: (asus_atk0110) fix uninitialized data access HID: xinmo: fix for out of range for THT 2P arcade controller. r8152: prevent the driver from transmitting packets with carrier off s390/qeth: no ETH header for outbound AF_IUCV bna: avoid writing uninitialized data into hw registers net: Do not allow negative values for busy_read and busy_poll sysctl interfaces i40e: Do not enable NAPI on q_vectors that have no rings RDMA/iser: Fix possible mr leak on device removal event irda: vlsi_ir: fix check for DMA mapping errors netfilter: nfnl_cthelper: fix a race when walk the nf_ct_helper_hash table netfilter: nf_nat_snmp: Fix panic when snmp_trap_helper fails to register ARM: dts: am335x-evmsk: adjust mmc2 param to allow suspend KVM: pci-assign: do not map smm memory slot pages in vt-d page tables isdn: kcapi: avoid uninitialized data xhci: plat: Register shutdown for xhci_plat netfilter: nfnetlink_queue: fix secctx memory leak ARM: dma-mapping: disallow dma_get_sgtable() for non-kernel managed memory cpuidle: powernv: Pass correct drv->cpumask for registration bnxt_en: Fix NULL pointer dereference in reopen failure path backlight: pwm_bl: Fix overflow condition crypto: crypto4xx - increase context and scatter ring buffer elements rtc: pl031: make interrupt optional net: phy: at803x: Change error to EINVAL for invalid MAC PCI: Avoid bus reset if bridge itself is broken scsi: cxgb4i: fix Tx skb leak scsi: mpt3sas: Fix IO error occurs on pulling out a drive from RAID1 volume created on two SATA drive PCI: Create SR-IOV virtfn/physfn links before attaching driver igb: check memory allocation failure ixgbe: fix use of uninitialized padding PCI/AER: Report non-fatal errors only to the affected endpoint scsi: lpfc: Fix secure firmware updates scsi: lpfc: PLOGI failures during NPIV testing fm10k: ensure we process SM mbx when processing VF mbx tcp: fix under-evaluated ssthresh in TCP Vegas rtc: set the alarm to the next expiring timer cpuidle: fix broadcast control when broadcast can not be entered thermal: hisilicon: Handle return value of clk_prepare_enable MIPS: math-emu: Fix final emulation phase for certain instructions Revert "Bluetooth: btusb: driver to enable the usb-wakeup feature" ALSA: hda - Clear the leftover component assignment at snd_hdac_i915_exit() ALSA: hda - Degrade i915 binding failure message ALSA: hda - Fix yet another i915 pointer leftover in error path alpha: fix build failures Linux 4.4.108 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
| * ARM: Hide finish_arch_post_lock_switch() from modulesSteven Rostedt2017-12-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit ef0491ea17f8019821c7e9c8e801184ecf17f85a upstream. The introduction of switch_mm_irqs_off() brought back an old bug regarding the use of preempt_enable_no_resched: As part of: 62b94a08da1b ("sched/preempt: Take away preempt_enable_no_resched() from modules") the definition of preempt_enable_no_resched() is only available in built-in code, not in loadable modules, so we can't generally use it from header files. However, the ARM version of finish_arch_post_lock_switch() calls preempt_enable_no_resched() and is defined as a static inline function in asm/mmu_context.h. This in turn means we cannot include asm/mmu_context.h from modules. With today's tip tree, asm/mmu_context.h gets included from linux/mmu_context.h, which is normally the exact pattern one would expect, but unfortunately, linux/mmu_context.h can be included from the vhost driver that is a loadable module, now causing this compile time error with modular configs: In file included from ../include/linux/mmu_context.h:4:0, from ../drivers/vhost/vhost.c:18: ../arch/arm/include/asm/mmu_context.h: In function 'finish_arch_post_lock_switch': ../arch/arm/include/asm/mmu_context.h:88:3: error: implicit declaration of function 'preempt_enable_no_resched' [-Werror=implicit-function-declaration] preempt_enable_no_resched(); Andy already tried to fix the bug by including linux/preempt.h from asm/mmu_context.h, but that didn't help. Arnd suggested reordering the header files, which wasn't popular, so let's use this workaround instead: The finish_arch_post_lock_switch() definition is now also hidden inside of #ifdef MODULE, so we don't see anything referencing preempt_enable_no_resched() from a header file. I've built a few hundred randconfig kernels with this, and did not see any new problems. Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Andy Lutomirski <luto@kernel.org> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Borislav Petkov <bp@suse.de> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Russell King - ARM Linux <linux@armlinux.org.uk> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: linux-arm-kernel@lists.infradead.org Fixes: f98db6013c55 ("sched/core: Add switch_mm_irqs_off() and use it in the scheduler") Link: http://lkml.kernel.org/r/1463146234-161304-1-git-send-email-arnd@arndb.de Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | Merge 4.4.106 into android-4.4Greg Kroah-Hartman2017-12-18
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes in 4.4.106 can: ti_hecc: Fix napi poll return value for repoll can: kvaser_usb: free buf in error paths can: kvaser_usb: Fix comparison bug in kvaser_usb_read_bulk_callback() can: kvaser_usb: ratelimit errors if incomplete messages are received can: kvaser_usb: cancel urb on -EPIPE and -EPROTO can: ems_usb: cancel urb on -EPIPE and -EPROTO can: esd_usb2: cancel urb on -EPIPE and -EPROTO can: usb_8dev: cancel urb on -EPIPE and -EPROTO virtio: release virtio index when fail to device_register hv: kvp: Avoid reading past allocated blocks from KVP file isa: Prevent NULL dereference in isa_bus driver callbacks scsi: libsas: align sata_device's rps_resp on a cacheline efi: Move some sysfs files to be read-only by root ASN.1: fix out-of-bounds read when parsing indefinite length item ASN.1: check for error from ASN1_OP_END__ACT actions X.509: reject invalid BIT STRING for subjectPublicKey x86/PCI: Make broadcom_postcore_init() check acpi_disabled ALSA: pcm: prevent UAF in snd_pcm_info ALSA: seq: Remove spurious WARN_ON() at timer check ALSA: usb-audio: Fix out-of-bound error ALSA: usb-audio: Add check return value for usb_string() iommu/vt-d: Fix scatterlist offset handling s390: fix compat system call table kdb: Fix handling of kallsyms_symbol_next() return value drm: extra printk() wrapper macros drm/exynos: gem: Drop NONCONTIG flag for buffers allocated without IOMMU media: dvb: i2c transfers over usb cannot be done from stack arm64: KVM: fix VTTBR_BADDR_MASK BUG_ON off-by-one KVM: VMX: remove I/O port 0x80 bypass on Intel hosts arm64: fpsimd: Prevent registers leaking from dead tasks ARM: BUG if jumping to usermode address in kernel mode ARM: avoid faulting on qemu scsi: storvsc: Workaround for virtual DVD SCSI version thp: reduce indentation level in change_huge_pmd() thp: fix MADV_DONTNEED vs. numa balancing race mm: drop unused pmdp_huge_get_and_clear_notify() Revert "drm/armada: Fix compile fail" Revert "spi: SPI_FSL_DSPI should depend on HAS_DMA" Revert "s390/kbuild: enable modversions for symbols exported from asm" vti6: Don't report path MTU below IPV6_MIN_MTU. ARM: OMAP2+: gpmc-onenand: propagate error on initialization failure x86/hpet: Prevent might sleep splat on resume selftest/powerpc: Fix false failures for skipped tests module: set __jump_table alignment to 8 ARM: OMAP2+: Fix device node reference counts ARM: OMAP2+: Release device node after it is no longer needed. gpio: altera: Use handle_level_irq when configured as a level_high HID: chicony: Add support for another ASUS Zen AiO keyboard usb: gadget: configs: plug memory leak USB: gadgetfs: Fix a potential memory leak in 'dev_config()' kvm: nVMX: VMCLEAR should not cause the vCPU to shut down libata: drop WARN from protocol error in ata_sff_qc_issue() workqueue: trigger WARN if queue_delayed_work() is called with NULL @wq scsi: lpfc: Fix crash during Hardware error recovery on SLI3 adapters irqchip/crossbar: Fix incorrect type of register size KVM: nVMX: reset nested_run_pending if the vCPU is going to be reset arm: KVM: Survive unknown traps from guests arm64: KVM: Survive unknown traps from guests spi_ks8995: fix "BUG: key accdaa28 not in .data!" bnx2x: prevent crash when accessing PTP with interface down bnx2x: fix possible overrun of VFPF multicast addresses array bnx2x: do not rollback VF MAC/VLAN filters we did not configure ipv6: reorder icmpv6_init() and ip6_mr_init() crypto: s5p-sss - Fix completing crypto request in IRQ handler i2c: riic: fix restart condition zram: set physical queue limits to avoid array out of bounds accesses netfilter: don't track fragmented packets axonram: Fix gendisk handling drm/amd/amdgpu: fix console deadlock if late init failed powerpc/powernv/ioda2: Gracefully fail if too many TCE levels requested EDAC, i5000, i5400: Fix use of MTR_DRAM_WIDTH macro EDAC, i5000, i5400: Fix definition of NRECMEMB register kbuild: pkg: use --transform option to prefix paths in tar mac80211_hwsim: Fix memory leak in hwsim_new_radio_nl() route: also update fnhe_genid when updating a route cache route: update fnhe_expires for redirect when the fnhe exists lib/genalloc.c: make the avail variable an atomic_long_t dynamic-debug-howto: fix optional/omitted ending line number to be LARGE instead of 0 NFS: Fix a typo in nfs_rename() sunrpc: Fix rpc_task_begin trace point block: wake up all tasks blocked in get_request() sparc64/mm: set fields in deferred pages sctp: do not free asoc when it is already dead in sctp_sendmsg sctp: use the right sk after waking up from wait_buf sleep atm: horizon: Fix irq release error jump_label: Invoke jump_label_test() via early_initcall() xfrm: Copy policy family in clone_policy IB/mlx4: Increase maximal message size under UD QP IB/mlx5: Assign send CQ and recv CQ of UMR QP afs: Connect up the CB.ProbeUuid ipvlan: fix ipv6 outbound device audit: ensure that 'audit=1' actually enables audit for PID 1 ipmi: Stop timers before cleaning up the module s390: always save and restore all registers on context switch more bio_map_user_iov() leak fixes tipc: fix memory leak in tipc_accept_from_sock() rds: Fix NULL pointer dereference in __rds_rdma_map sit: update frag_off info packet: fix crash in fanout_demux_rollover() net/packet: fix a race in packet_bind() and packet_notifier() Revert "x86/efi: Build our own page table structures" Revert "x86/efi: Hoist page table switching code into efi_call_virt()" Revert "x86/mm/pat: Ensure cpa->pfn only contains page frame numbers" arm: KVM: Fix VTTBR_BADDR_MASK BUG_ON off-by-one usb: gadget: ffs: Forbid usb_ep_alloc_request from sleeping Linux 4.4.106 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
| * arm: KVM: Fix VTTBR_BADDR_MASK BUG_ON off-by-oneMarc Zyngier2017-12-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 5553b142be11e794ebc0805950b2e8313f93d718 upstream. VTTBR_BADDR_MASK is used to sanity check the size and alignment of the VTTBR address. It seems to currently be off by one, thereby only allowing up to 39-bit addresses (instead of 40-bit) and also insufficiently checking the alignment. This patch fixes it. This patch is the 32bit pendent of Kristina's arm64 fix, and she deserves the actual kudos for pinpointing that one. Fixes: f7ed45be3ba52 ("KVM: ARM: World-switch implementation") Cc: <stable@vger.kernel.org> # 3.9 Reported-by: Kristina Martsenko <kristina.martsenko@arm.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * arm: KVM: Survive unknown traps from guestsMark Rutland2017-12-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | [ Upstream commit f050fe7a9164945dd1c28be05bf00e8cfb082ccf ] Currently we BUG() if we see a HSR.EC value we don't recognise. As configurable disables/enables are added to the architecture (controlled by RES1/RES0 bits respectively), with associated synchronous exceptions, it may be possible for a guest to trigger exceptions with classes that we don't recognise. While we can't service these exceptions in a manner useful to the guest, we can avoid bringing down the host. Per ARM DDI 0406C.c, all currently unallocated HSR EC encodings are reserved, and per ARM DDI 0487A.k_iss10775, page G6-4395, EC values within the range 0x00 - 0x2c are reserved for future use with synchronous exceptions, and EC values within the range 0x2d - 0x3f may be used for either synchronous or asynchronous exceptions. The patch makes KVM handle any unknown EC by injecting an UNDEFINED exception into the guest, with a corresponding (ratelimited) warning in the host dmesg. We could later improve on this with with a new (opt-in) exit to the host userspace. Cc: Dave Martin <dave.martin@arm.com> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * ARM: BUG if jumping to usermode address in kernel modeRussell King2017-12-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 8bafae202c82dc257f649ea3c275a0f35ee15113 upstream. Detect if we are returning to usermode via the normal kernel exit paths but the saved PSR value indicates that we are in kernel mode. This could occur due to corrupted stack state, which has been observed with "ftracetest". This ensures that we catch the problem case before we get to user code. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Cc: Alex Shi <alex.shi@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | BACKPORT: irq: Make the irqentry text section unconditionalMasami Hiramatsu2017-12-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Generate irqentry and softirqentry text sections without any Kconfig dependencies. This will add extra sections, but there should be no performace impact. Suggested-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: Chris Zankel <chris@zankel.net> Cc: David S . Miller <davem@davemloft.net> Cc: Francis Deslauriers <francis.deslauriers@efficios.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: linux-arch@vger.kernel.org Cc: linux-cris-kernel@axis.com Cc: mathieu.desnoyers@efficios.com Link: http://lkml.kernel.org/r/150172789110.27216.3955739126693102122.stgit@devbox Signed-off-by: Ingo Molnar <mingo@kernel.org> Bug: 64145065 (cherry-picked from 229a71860547ec856b156179a9c6bef2de426f66) Change-Id: I8f10ad59f16d637834a9dcacebdf087a028e995d Signed-off-by: Paul Lawrence <paullawrence@google.com>
* | UPSTREAM: arch, ftrace: for KASAN put hard/soft IRQ entries into separate ↵Alexander Potapenko2017-12-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sections KASAN needs to know whether the allocation happens in an IRQ handler. This lets us strip everything below the IRQ entry point to reduce the number of unique stack traces needed to be stored. Move the definition of __irq_entry to <linux/interrupt.h> so that the users don't need to pull in <linux/ftrace.h>. Also introduce the __softirq_entry macro which is similar to __irq_entry, but puts the corresponding functions to the .softirqentry.text section. Signed-off-by: Alexander Potapenko <glider@google.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Andrey Konovalov <adech.fo@gmail.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: Konstantin Serebryany <kcc@google.com> Cc: Dmitry Chernenkov <dmitryc@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Bug: 64145065 (cherry-picked from be7635e7287e0e8013af3c89a6354a9e0182594c) Change-Id: Ib321eb9c2b76ef4785cf3fd522169f524348bd9a Signed-off-by: Paul Lawrence <paullawrence@google.com>
* | Merge 4.4.97 into android-4.4Greg Kroah-Hartman2017-11-08
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes in 4.4.97 ALSA: timer: Add missing mutex lock for compat ioctls ALSA: seq: Fix nested rwsem annotation for lockdep splat cifs: check MaxPathNameComponentLength != 0 before using it KEYS: return full count in keyring_read() if buffer is too small KEYS: fix out-of-bounds read during ASN.1 parsing ASoC: adau17x1: Workaround for noise bug in ADC arm64: ensure __dump_instr() checks addr_limit ARM: dts: mvebu: pl310-cache disable double-linefill ARM: 8715/1: add a private asm/unaligned.h ocfs2: fstrim: Fix start offset of first cluster group during fstrim perf tools: Fix build failure on perl script context drm/msm: Fix potential buffer overflow issue drm/msm: fix an integer overflow test tracing/samples: Fix creation and deletion of simple_thread_fn creation Fix tracing sample code warning. PM / wakeirq: report a wakeup_event on dedicated wekup irq mmc: s3cmci: include linux/interrupt.h for tasklet_struct ARM: pxa: Don't rely on public mmc header to include leds.h mfd: ab8500-sysctrl: Handle probe deferral mfd: axp20x: Fix axp288 PEK_DBR and PEK_DBF irqs being swapped staging: rtl8712u: Fix endian settings for structs describing network packets ext4: fix stripe-unaligned allocations ext4: do not use stripe_width if it is not set i2c: riic: correctly finish transfers drm/amdgpu: when dpm disabled, also need to stop/start vce. perf tools: Only increase index if perf_evsel__new_idx() succeeds cx231xx: Fix I2C on Internal Master 3 Bus xen/manage: correct return value check on xenbus_scanf() scsi: aacraid: Process Error for response I/O platform/x86: intel_mid_thermal: Fix module autoload staging: lustre: llite: don't invoke direct_IO for the EOF case staging: lustre: hsm: stack overrun in hai_dump_data_field staging: lustre: ptlrpc: skip lock if export failed exynos4-is: fimc-is: Unmap region obtained by of_iomap() mei: return error on notification request to a disconnected client s390/dasd: check for device error pointer within state change interrupts bt8xx: fix memory leak xen: don't print error message in case of missing Xenstore entry staging: r8712u: Fix Sparse warning in rtl871x_xmit.c Linux 4.4.97 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
| * ARM: 8715/1: add a private asm/unaligned.hArnd Bergmann2017-11-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 1cce91dfc8f7990ca3aea896bfb148f240b12860 upstream. The asm-generic/unaligned.h header provides two different implementations for accessing unaligned variables: the access_ok.h version used when CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is set pretends that all pointers are in fact aligned, while the le_struct.h version convinces gcc that the alignment of a pointer is '1', to make it issue the correct load/store instructions depending on the architecture flags. On ARMv5 and older, we always use the second version, to let the compiler use byte accesses. On ARMv6 and newer, we currently use the access_ok.h version, so the compiler can use any instruction including stm/ldm and ldrd/strd that will cause an alignment trap. This trap can significantly impact performance when we have to do a lot of fixups and, worse, has led to crashes in the LZ4 decompressor code that does not have a trap handler. This adds an ARM specific version of asm/unaligned.h that uses the le_struct.h/be_struct.h implementation unconditionally. This should lead to essentially the same code on ARMv6+ as before, with the exception of using regular load/store instructions instead of the trapping instructions multi-register variants. The crash in the LZ4 decompressor code was probably introduced by the patch replacing the LZ4 implementation, commit 4e1a33b105dd ("lib: update LZ4 compressor module"), so linux-4.11 and higher would be affected most. However, we probably want to have this backported to all older stable kernels as well, to help with the performance issues. There are two follow-ups that I think we should also work on, but not backport to stable kernels, first to change the asm-generic version of the header to remove the ARM special case, and second to review all other uses of CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS to see if they might be affected by the same problem on ARM. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | ANDROID: Revert "arm: move ELF_ET_DYN_BASE to 4MB"Evgenii Stepanov2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | This ARM mmap change breaks AddressSanitizer: Shadow memory range interleaves with an existing memory mapping. ASan cannot proceed correctly. ABORTING. Revert it until ASAN runtime library is updated to handle it. Bug: 67425063 This reverts commit d2471b5e84f32de4e09b58f5436a4ce3ee935e32.
* | Merge 4.4.81 into android-4.4Greg Kroah-Hartman2017-08-11
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes in 4.4.81 libata: array underflow in ata_find_dev() workqueue: restore WQ_UNBOUND/max_active==1 to be ordered ALSA: hda - Fix speaker output from VAIO VPCL14M1R ASoC: do not close shared backend dailink KVM: async_pf: make rcu irq exit if not triggered from idle task mm/page_alloc: Remove kernel address exposure in free_reserved_area() ext4: fix SEEK_HOLE/SEEK_DATA for blocksize < pagesize ext4: fix overflow caused by missing cast in ext4_resize_fs() ARM: dts: armada-38x: Fix irq type for pca955 media: platform: davinci: return -EINVAL for VPFE_CMD_S_CCDC_RAW_PARAMS ioctl target: Avoid mappedlun symlink creation during lun shutdown iscsi-target: Always wait for kthread_should_stop() before kthread exit iscsi-target: Fix early sk_data_ready LOGIN_FLAGS_READY race iscsi-target: Fix initial login PDU asynchronous socket close OOPs iscsi-target: Fix delayed logout processing greater than SECONDS_FOR_LOGOUT_COMP iser-target: Avoid isert_conn->cm_id dereference in isert_login_recv_done mm, mprotect: flush TLB if potentially racing with a parallel reclaim leaving stale TLB entries media: lirc: LIRC_GET_REC_RESOLUTION should return microseconds f2fs: sanity check checkpoint segno and blkoff drm: rcar-du: fix backport bug saa7164: fix double fetch PCIe access condition ipv4: ipv6: initialize treq->txhash in cookie_v[46]_check() net: Zero terminate ifr_name in dev_ifname(). ipv6: avoid overflow of offset in ip6_find_1stfragopt ipv4: initialize fib_trie prior to register_netdev_notifier call. rtnetlink: allocate more memory for dev_set_mac_address() mcs7780: Fix initialization when CONFIG_VMAP_STACK is enabled openvswitch: fix potential out of bound access in parse_ct packet: fix use-after-free in prb_retire_rx_blk_timer_expired() ipv6: Don't increase IPSTATS_MIB_FRAGFAILS twice in ip6_fragment() net: ethernet: nb8800: Handle all 4 RGMII modes identically dccp: fix a memleak that dccp_ipv6 doesn't put reqsk properly dccp: fix a memleak that dccp_ipv4 doesn't put reqsk properly dccp: fix a memleak for dccp_feat_init err process sctp: don't dereference ptr before leaving _sctp_walk_{params, errors}() sctp: fix the check for _sctp_walk_params and _sctp_walk_errors net/mlx5: Fix command bad flow on command entry allocation failure net: phy: Correctly process PHY_HALTED in phy_stop_machine() net: phy: Fix PHY unbind crash xen-netback: correctly schedule rate-limited queues sparc64: Measure receiver forward progress to avoid send mondo timeout wext: handle NULL extra data in iwe_stream_add_point better sh_eth: R8A7740 supports packet shecksumming net: phy: dp83867: fix irq generation tg3: Fix race condition in tg3_get_stats64(). x86/boot: Add missing declaration of string functions phy state machine: failsafe leave invalid RUNNING state scsi: qla2xxx: Get mutex lock before checking optrom_state drm/virtio: fix framebuffer sparse warning virtio_blk: fix panic in initialization error path ARM: 8632/1: ftrace: fix syscall name matching mm, slab: make sure that KMALLOC_MAX_SIZE will fit into MAX_ORDER lib/Kconfig.debug: fix frv build failure signal: protect SIGNAL_UNKILLABLE from unintentional clearing. mm: don't dereference struct page fields of invalid pages ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output net: account for current skb length when deciding about UFO workqueue: implicit ordered attribute should be overridable Linux 4.4.81 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
| * ARM: 8632/1: ftrace: fix syscall name matchingRabin Vincent2017-08-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | [ Upstream commit 270c8cf1cacc69cb8d99dea812f06067a45e4609 ] ARM has a few system calls (most notably mmap) for which the names of the functions which are referenced in the syscall table do not match the names of the syscall tracepoints. As a consequence of this, these tracepoints are not made available. Implement arch_syscall_match_sym_name to fix this and allow tracing even these system calls. Signed-off-by: Rabin Vincent <rabinv@axis.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | Merge 4.4.78 into android-4.4Greg Kroah-Hartman2017-07-21
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes in 4.4.78 net_sched: fix error recovery at qdisc creation net: sched: Fix one possible panic when no destroy callback net/phy: micrel: configure intterupts after autoneg workaround ipv6: avoid unregistering inet6_dev for loopback net: dp83640: Avoid NULL pointer dereference. tcp: reset sk_rx_dst in tcp_disconnect() net: prevent sign extension in dev_get_stats() bpf: prevent leaking pointer via xadd on unpriviledged net: handle NAPI_GRO_FREE_STOLEN_HEAD case also in napi_frags_finish() ipv6: dad: don't remove dynamic addresses if link is down net: ipv6: Compare lwstate in detecting duplicate nexthops vrf: fix bug_on triggered by rx when destroying a vrf rds: tcp: use sock_create_lite() to create the accept socket brcmfmac: fix possible buffer overflow in brcmf_cfg80211_mgmt_tx() cfg80211: Define nla_policy for NL80211_ATTR_LOCAL_MESH_POWER_MODE cfg80211: Validate frequencies nested in NL80211_ATTR_SCAN_FREQUENCIES cfg80211: Check if PMKID attribute is of expected size irqchip/gic-v3: Fix out-of-bound access in gic_set_affinity parisc: Report SIGSEGV instead of SIGBUS when running out of stack parisc: use compat_sys_keyctl() parisc: DMA API: return error instead of BUG_ON for dma ops on non dma devs parisc/mm: Ensure IRQs are off in switch_mm() tools/lib/lockdep: Reduce MAX_LOCK_DEPTH to avoid overflowing lock_chain/: Depth kernel/extable.c: mark core_kernel_text notrace mm/list_lru.c: fix list_lru_count_node() to be race free fs/dcache.c: fix spin lockup issue on nlru->lock checkpatch: silence perl 5.26.0 unescaped left brace warnings binfmt_elf: use ELF_ET_DYN_BASE only for PIE arm: move ELF_ET_DYN_BASE to 4MB arm64: move ELF_ET_DYN_BASE to 4GB / 4MB powerpc: move ELF_ET_DYN_BASE to 4GB / 4MB s390: reduce ELF_ET_DYN_BASE exec: Limit arg stack to at most 75% of _STK_LIM vt: fix unchecked __put_user() in tioclinux ioctls mnt: In umount propagation reparent in a separate pass mnt: In propgate_umount handle visiting mounts in any order mnt: Make propagate_umount less slow for overlapping mount propagation trees selftests/capabilities: Fix the test_execve test tpm: Get rid of chip->pdev tpm: Provide strong locking for device removal Add "shutdown" to "struct class". tpm: Issue a TPM2_Shutdown for TPM2 devices. mm: fix overflow check in expand_upwards() crypto: talitos - Extend max key length for SHA384/512-HMAC and AEAD crypto: atmel - only treat EBUSY as transient if backlog crypto: sha1-ssse3 - Disable avx2 crypto: caam - fix signals handling sched/topology: Fix overlapping sched_group_mask sched/topology: Optimize build_group_mask() PM / wakeirq: Convert to SRCU PM / QoS: return -EINVAL for bogus strings tracing: Use SOFTIRQ_OFFSET for softirq dectection for more accurate results KVM: x86: disable MPX if host did not enable MPX XSAVE features kvm: vmx: Do not disable intercepts for BNDCFGS kvm: x86: Guest BNDCFGS requires guest MPX support kvm: vmx: Check value written to IA32_BNDCFGS kvm: vmx: allow host to access guest MSR_IA32_BNDCFGS Linux 4.4.78 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
| * arm: move ELF_ET_DYN_BASE to 4MBKees Cook2017-07-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 6a9af90a3bcde217a1c053e135f5f43e5d5fafbd upstream. Now that explicitly executed loaders are loaded in the mmap region, we have more freedom to decide where we position PIE binaries in the address space to avoid possible collisions with mmap or stack regions. 4MB is chosen here mainly to have parity with x86, where this is the traditional minimum load location, likely to avoid historically requiring a 4MB page table entry when only a portion of the first 4MB would be used (since the NULL address is avoided). For ARM the position could be 0x8000, the standard ET_EXEC load address, but that is needlessly close to the NULL address, and anyone running PIE on 32-bit ARM will have an MMU, so the tight mapping is not needed. Link: http://lkml.kernel.org/r/1498154792-49952-2-git-send-email-keescook@chromium.org Signed-off-by: Kees Cook <keescook@chromium.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: James Hogan <james.hogan@imgtec.com> Cc: Pratyush Anand <panand@redhat.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Daniel Micay <danielmicay@gmail.com> Cc: Dmitry Safonov <dsafonov@virtuozzo.com> Cc: Grzegorz Andrejczuk <grzegorz.andrejczuk@intel.com> Cc: Kees Cook <keescook@chromium.org> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Qualys Security Advisory <qsa@qualys.com> Cc: Rik van Riel <riel@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | arm/arm64: KVM: Enforce unconditional flush to PoC when mapping to stage-2Marc Zyngier2017-03-12
|\| | | | | | | | | | | am: e83a28c521 Change-Id: I0e1de5d2d64401624e0cb37b9b92cb9941081869
| * arm/arm64: KVM: Enforce unconditional flush to PoC when mapping to stage-2Marc Zyngier2017-03-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 8f36ebaf21fdae99c091c67e8b6fab33969f2667 upstream. When we fault in a page, we flush it to the PoC (Point of Coherency) if the faulting vcpu has its own caches off, so that it can observe the page we just brought it. But if the vcpu has its caches on, we skip that step. Bad things happen when *another* vcpu tries to access that page with its own caches disabled. At that point, there is no garantee that the data has made it to the PoC, and we access stale data. The obvious fix is to always flush to PoC when a page is faulted in, no matter what the state of the vcpu is. Fixes: 2d58b733c876 ("arm64: KVM: force cache clean on page fault when caches are off") Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | Merge tag 'v4.4.45' into android-4.4.yDmitry Shmidt2017-01-26
|\| | | | | | | This is the 4.4.45 stable release
| * ARM: 8634/1: hw_breakpoint: blacklist Scorpion CPUsMark Rutland2017-01-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit ddc37832a1349f474c4532de381498020ed71d31 upstream. On APQ8060, the kernel crashes in arch_hw_breakpoint_init, taking an undefined instruction trap within write_wb_reg. This is because Scorpion CPUs erroneously appear to set DBGPRSR.SPD when WFI is issued, even if the core is not powered down. When DBGPRSR.SPD is set, breakpoint and watchpoint registers are treated as undefined. It's possible to trigger similar crashes later on from userspace, by requesting the kernel to install a breakpoint or watchpoint, as we can go idle at any point between the reset of the debug registers and their later use. This has always been the case. Given that this has always been broken, no-one has complained until now, and there is no clear workaround, disable hardware breakpoints and watchpoints on Scorpion to avoid these issues. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Reported-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Acked-by: Will Deacon <will.deacon@arm.com> Cc: Russell King <linux@armlinux.org.uk> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | Merge tag 'v4.4.32' into android-4.4.yDmitry Shmidt2016-11-15
|\| | | | | | | | | | | This is the 4.4.32 stable release Change-Id: I5028402eadfcf055ac44a5e67abc6da75b2068b3
| * ARM: 8584/1: floppy: avoid gcc-6 warningArnd Bergmann2016-11-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit dd665be0e243873343a28e18f9f345927b658daf upstream. gcc-6.0 warns about comparisons between two identical expressions, which is what we get in the floppy driver when writing to the FD_DOR register: drivers/block/floppy.c: In function 'set_dor': drivers/block/floppy.c:810:44: error: self-comparison always evaluates to true [-Werror=tautological-compare] fd_outb(newdor, FD_DOR); It would be nice to use a static inline function instead of the macro, to avoid the warning, but we cannot do that because the FD_DOR definition is incomplete at this point. Adding a cast to (u32) is a harmless way to shut up the warning, just not very nice. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | Merge tag 'v4.4.24' into android-4.4.yDmitry Shmidt2016-10-14
|\| | | | | | | This is the 4.4.24 stable release
| * ARM: 8617/1: dma: fix dma_max_pfn()Roger Quadros2016-10-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit d248220f0465b818887baa9829e691fe662b2c5e upstream. Since commit 6ce0d2001692 ("ARM: dma: Use dma_pfn_offset for dma address translation"), dma_to_pfn() already returns the PFN with the physical memory start offset so we don't need to add it again. This fixes USB mass storage lock-up problem on systems that can't do DMA over the entire physical memory range (e.g.) Keystone 2 systems with 4GB RAM can only do DMA over the first 2GB. [K2E-EVM]. What happens there is that without this patch SCSI layer sets a wrong bounce buffer limit in scsi_calculate_bounce_limit() for the USB mass storage device. dma_max_pfn() evaluates to 0x8fffff and bounce_limit is set to 0x8fffff000 whereas maximum DMA'ble physical memory on Keystone 2 is 0x87fffffff. This results in non DMA'ble pages being given to the USB controller and hence the lock-up. NOTE: in the above case, USB-SCSI-device's dma_pfn_offset was showing as 0. This should have really been 0x780000 as on K2e, LOWMEM_START is 0x80000000 and HIGHMEM_START is 0x800000000. DMA zone is 2GB so dma_max_pfn should be 0x87ffff. The incorrect dma_pfn_offset for the USB storage device is because USB devices are not correctly inheriting the dma_pfn_offset from the USB host controller. This will be fixed by a separate patch. Fixes: 6ce0d2001692 ("ARM: dma: Use dma_pfn_offset for dma address translation") Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Santosh Shilimkar <santosh.shilimkar@oracle.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Olof Johansson <olof@lixom.net> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Linus Walleij <linus.walleij@linaro.org> Reported-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | Merge remote-tracking branch 'common/android-4.4' into android-4.4.yDmitry Shmidt2016-09-26
|\ \ | | | | | | | | | Change-Id: I6c4e7f9f47392d4b334f71e2b20f2ccf33827632
| * | UPSTREAM: asm-generic: Consolidate mark_rodata_ro()Kees Cook2016-09-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of defining mark_rodata_ro() in each architecture, consolidate it. Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Will Deacon <will.deacon@arm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Gross <agross@codeaurora.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Ashok Kumar <ashoks@broadcom.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Borislav Petkov <bp@suse.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: David Brown <david.brown@linaro.org> Cc: David Hildenbrand <dahi@linux.vnet.ibm.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: Emese Revfy <re.emese@gmail.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Helge Deller <deller@gmx.de> Cc: James E.J. Bottomley <jejb@parisc-linux.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Luis R. Rodriguez <mcgrof@suse.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathias Krause <minipli@googlemail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicolas Pitre <nicolas.pitre@linaro.org> Cc: PaX Team <pageexec@freemail.hu> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Toshi Kani <toshi.kani@hp.com> Cc: kernel-hardening@lists.openwall.com Cc: linux-arch <linux-arch@vger.kernel.org> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: linux-parisc@vger.kernel.org Link: http://lkml.kernel.org/r/1455748879-21872-2-git-send-email-keescook@chromium.org Signed-off-by: Ingo Molnar <mingo@kernel.org> Bug: 31660652 Change-Id: Iec0c44b3f5d7948954da93fba6cb57888a2709de (cherry picked from commit e267d97b83d9cecc16c54825f9f3ac7f72dc1e1e) Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
| * | BACKPORT: arm64: kvm: deal with kernel symbols outside of linear mappingArd Biesheuvel2016-09-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | KVM on arm64 uses a fixed offset between the linear mapping at EL1 and the HYP mapping at EL2. Before we can move the kernel virtual mapping out of the linear mapping, we have to make sure that references to kernel symbols that are accessed via the HYP mapping are translated to their linear equivalent. Reviewed-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Bug: 30369029 Patchset: kaslr-arm64-4.4 (cherry picked from commit a0bf9776cd0be4490d4675d4108e13379849fc7f) Signed-off-by: Jeff Vander Stoep <jeffv@google.com> Change-Id: I316f029d22a16773c168a151dba59bed7921fa7e
* | | Merge remote-tracking branch 'common/android-4.4' into android-4.4.y-mergeDmitry Shmidt2016-09-20
|\| | | | | | | | | | | Change-Id: I049d2e9d238a92d56100e8e317be6688497eb501
| * | UPSTREAM: arch/arm/include/asm/pgtable-3level.h: add pmd_mkclean for THPMinchan Kim2016-09-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | MADV_FREE needs pmd_dirty and pmd_mkclean for detecting recent overwrite of the contents since MADV_FREE syscall is called for THP page. This patch adds pmd_mkclean for THP page MADV_FREE support. Signed-off-by: Minchan Kim <minchan@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Cc: Shaohua Li <shli@kernel.org> Cc: <yalin.wang2010@gmail.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Chen Gang <gang.chen.5i5j@gmail.com> Cc: Chris Zankel <chris@zankel.net> Cc: Daniel Micay <danielmicay@gmail.com> Cc: Darrick J. Wong <darrick.wong@oracle.com> Cc: David S. Miller <davem@davemloft.net> Cc: Helge Deller <deller@gmx.de> Cc: Hugh Dickins <hughd@google.com> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Jason Evans <je@fb.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Kirill A. Shutemov <kirill@shutemov.name> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Michael Kerrisk <mtk.manpages@gmail.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Mika Penttil <mika.penttila@nextfour.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Rik van Riel <riel@redhat.com> Cc: Roland Dreier <roland@kernel.org> Cc: Shaohua Li <shli@kernel.org> Cc: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Bug: 30369029 Patchset: rework-pagetable (cherry picked from commit 44842045e4baaf406db2954dd2e07152fa61528d) Signed-off-by: Jeff Vander Stoep <jeffv@google.com> Change-Id: I59d53667aa8c40dea4f18fc58acc7d27f4a85a04
* | | Merge remote-tracking branch 'common/android-4.4' into android-4.4.yDmitry Shmidt2016-09-13
|\| |
| * | arm: Fix build error "conflicting types for 'scale_cpu_capacity'"Steve Muckle2016-09-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit "arm: Update arch_scale_cpu_capacity() to reflect change to define" introduced a dependency on struct sched_domain in arch/arm/include/asm/topologoy.h, but that structure is only currently defined if CONFIG_CPU_FREQ is enabled, which causes include/linux/cpufreq.h to get pulled in which defines it. Include <linux/cpufreq.h> regardless of CONFIG_CPU_FREQ so struct sched_domain is always defined. Fixes: Change-Id: I372bd5e4c1e203428d72b18c8a806b06f3567ef6 ("arm: Update arch_scale_cpu_capacity() to reflect change to define") Signed-off-by: Steve Muckle <smuckle@linaro.org> Signed-off-by: Amit Pundir <amit.pundir@linaro.org> [jstultz: Cherry-picked from android-3.18] Signed-off-by: John Stultz <john.stultz@linaro.org>
| * | Merge remote-tracking branch 'linaro-ext/EAS/v4.4-easv5.2+aosp-changes' into ↵Dmitry Shmidt2016-09-08
| |\ \ | | | | | | | | | | | | | | | | | | | | android-4.4 Change-Id: Ic24b43ee867bc4f70b31bedaad734717b64b86a1
| | * | arm: Update arch_scale_cpu_capacity() to reflect change to defineMorten Rasmussen2016-05-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | arch_scale_cpu_capacity() is no longer a weak function but a #define instead. Include the #define in topology.h. cc: Russell King <linux@arm.linux.org.uk> Signed-off-by: Morten Rasmussen <morten.rasmussen@arm.com>
| | * | arm: Enable frequency invariant scheduler load-tracking supportDietmar Eggemann2016-05-10
| | | | | | | | | | | | | | | | | | | | | | | | Defines arch_scale_freq_capacity() to use cpufreq implementation. Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
* | | | Merge remote-tracking branch 'common/android-4.4' into android-4.4.yDmitry Shmidt2016-09-07
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| * | | BACKPORT: ARM: uaccess: Enable hardened usercopyKees Cook2016-09-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Enables CONFIG_HARDENED_USERCOPY checks on arm. Based on code from PaX and grsecurity. Signed-off-by: Kees Cook <keescook@chromium.org> Change-Id: I03a44ca7a8c56832f15a6a74ac32e9330df3ac3b (cherry picked from commit dfd45b6103c973bfcea2341d89e36faf947dbc33) Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
* | | | Merge tag 'v4.4.16' into android-4.4.yDmitry Shmidt2016-08-01
|\ \ \ \ | |/ / / |/| | / | | |/ | |/| | | | This is the 4.4.16 stable release Change-Id: Ibaf7b7e03695e1acebc654a2ca1a4bfcc48fcea4
| * | ARM: 8579/1: mm: Fix definition of pmd_mknotpresentSteve Capper2016-07-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 56530f5d2ddc9b9fade7ef8db9cb886e9dc689b5 upstream. Currently pmd_mknotpresent will use a zero entry to respresent an invalidated pmd. Unfortunately this definition clashes with pmd_none, thus it is possible for a race condition to occur if zap_pmd_range sees pmd_none whilst __split_huge_pmd_locked is running too with pmdp_invalidate just called. This patch fixes the race condition by modifying pmd_mknotpresent to create non-zero faulting entries (as is done in other architectures), removing the ambiguity with pmd_none. [catalin.marinas@arm.com: using L_PMD_SECT_VALID instead of PMD_TYPE_SECT] Fixes: 8d9625070073 ("ARM: mm: Transparent huge page support for LPAE systems.") Reported-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: Will Deacon <will.deacon@arm.com> Cc: Russell King <linux@armlinux.org.uk> Signed-off-by: Steve Capper <steve.capper@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | ARM: 8578/1: mm: ensure pmd_present only checks the valid bitWill Deacon2016-07-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 624531886987f0f1b5d01fb598034d039198e090 upstream. In a subsequent patch, pmd_mknotpresent will clear the valid bit of the pmd entry, resulting in a not-present entry from the hardware's perspective. Unfortunately, pmd_present simply checks for a non-zero pmd value and will therefore continue to return true even after a pmd_mknotpresent operation. Since pmd_mknotpresent is only used for managing huge entries, this is only an issue for the 3-level case. This patch fixes the 3-level pmd_present implementation to take into account the valid bit. For bisectability, the change is made before the fix to pmd_mknotpresent. [catalin.marinas@arm.com: comment update regarding pmd_mknotpresent patch] Fixes: 8d9625070073 ("ARM: mm: Transparent huge page support for LPAE systems.") Cc: Russell King <linux@armlinux.org.uk> Cc: Steve Capper <Steve.Capper@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | xen/arm: correctly handle DMA mapping of compound pagesIan Campbell2016-03-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 52ba0746b3b44c86aee121babf3b2fd9b8f84090 upstream. Currently xen_dma_map_page concludes that DMA to anything other than the head page of a compound page must be foreign, since the PFN of the page is that of the head. Fix the check to instead consider the whole of a compound page to be local if the PFN of the head passes the 1:1 check. We can never see a compound page which is a mixture of foreign and local sub-pages. The comment already correctly described the intention, but fixup the spelling and some grammar. This fixes the various SSH protocol errors which we have been seeing on the cubietrucks in our automated test infrastructure. This has been broken since commit 3567258d281b ("xen/arm: use hypercall to flush caches in map_page"), which was in v3.19-rc1. NB arch/arm64/.../xen/page-coherent.h also includes this file. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Cc: xen-devel@lists.xenproject.org Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | ARM: 8457/1: psci-smp is built only for SMPArnd Bergmann2016-03-03
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit be95485a0b8288a93402705730d3ea32f9f812b9 upstream. The PSCI SMP implementation is built only when both CONFIG_SMP and CONFIG_ARM_PSCI are set, so a configuration that has the latter but not the former can get a link error when it tries to call psci_smp_available(). arch/arm/mach-tegra/built-in.o: In function `tegra114_cpuidle_init': cpuidle-tegra114.c:(.init.text+0x52a): undefined reference to `psci_smp_available' This corrects the #ifdef in the psci.h header file to match the Makefile conditional we have for building that function. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | Revert "Recreate asm/mach/mmc.h include file"Amit Pundir2016-05-05
| | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 5b42ae3edab6c39c1337d36881d29350bb36dcff. This recereated arch/arm/include/asm/mach/mmc.h include file has no active user in android-4.x kernels. Also all the necessary bits are already moved to include/linux/amba/mmci.h. 6ef297f86b62 (ARM: 5720/1: Move MMCI header to amba include dir) Change-Id: Ibf258b355d17f54f49b777a8f6e0089e9b59a3a5 Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
* | Revert "ARM: Add 'card_present' state to mmc_platfrom_data"Amit Pundir2016-05-05
| | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 541632275e983573b8250fcd4402f772d7bd1e6f. mmc_platform_data (or arch/arm/include/asm/mach/mmc.h in general) has no active user in android-4.x kernels. Also all the necessary bits are already moved to include/linux/amba/mmci.h. 6ef297f86b62 (ARM: 5720/1: Move MMCI header to amba include dir) Change-Id: Iff384eb527327bf88543408e0257241c1fd99a43 Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
* | UPSTREAM: ARM: 8457/1: psci-smp is built only for SMPArnd Bergmann2016-03-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The PSCI SMP implementation is built only when both CONFIG_SMP and CONFIG_ARM_PSCI are set, so a configuration that has the latter but not the former can get a link error when it tries to call psci_smp_available(). arch/arm/mach-tegra/built-in.o: In function `tegra114_cpuidle_init': cpuidle-tegra114.c:(.init.text+0x52a): undefined reference to `psci_smp_available' This corrects the #ifdef in the psci.h header file to match the Makefile conditional we have for building that function. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> (cherry picked from commit be95485a0b8288a93402705730d3ea32f9f812b9) Signed-off-by: Olof Johansson <olofj@google.com>
* | fiq_debugger: move into drivers/staging/android/fiq_debugger/Colin Cross2016-02-16
| | | | | | | | | | | | | | | | Move fiq_debugger into drivers/staging/android/fiq_debugger/ to allow for sharing between ARM and ARM64. Change-Id: I6ca5e8b7e3d000f57da3234260261c5592cef2a8 Signed-off-by: Colin Cross <ccross@android.com>
* | ARM: fiq_glue: Add custom fiq return handler api.Arve Hjønnevåg2016-02-16
| | | | | | | | | | Change-Id: I5ff2764e85151ca0a88576542fda07c2d33dd065 Signed-off-by: Arve Hjønnevåg <arve@android.com>
* | ARM: Add generic fiq serial debuggerIliyan Malchev2016-02-16
| | | | | | | | | | | | Change-Id: Ibb536c88f0dbaf4766d0599296907e35e42cbfd6 Signed-off-by: Iliyan Malchev <malchev@google.com> Signed-off-by: Arve Hjønnevåg <arve@android.com>
* | ARM: Add fiq_glueArve Hjønnevåg2016-02-16
| | | | | | | | | | | | Change-Id: I27d2554e07d9de204e0a06696d38db51608d9f6b Signed-off-by: Arve Hjønnevåg <arve@android.com> Signed-off-by: Colin Cross <ccross@android.com>
* | ARM: Add 'card_present' state to mmc_platfrom_dataDmitry Shmidt2016-02-16
| | | | | | | | Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
* | Recreate asm/mach/mmc.h include fileColin Cross2016-02-16
|/ | | | | Change-Id: I9f10244b0603f7842b8504a16124d40dc4a71ed2 Signed-off-by: Colin Cross <ccross@android.com>
* Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds2015-12-16
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull ARM fixes from Russell King: "Further ARM fixes: - Anson Huang noticed that we were corrupting a register we shouldn't be during suspend on some CPUs. - Shengjiu Wang spotted a bug in the 'swp' instruction emulation. - Will Deacon fixed a bug in the ASID allocator. - Laura Abbott fixed the kernel permission protection to apply to all threads running in the system. - I've fixed two bugs with the domain access control register handling, one to do with printing an appropriate value at oops time, and the other to further fix the uaccess_with_memcpy code" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: 8475/1: SWP emulation: Restore original *data when failed ARM: 8471/1: need to save/restore arm register(r11) when it is corrupted ARM: fix uaccess_with_memcpy() with SW_DOMAIN_PAN ARM: report proper DACR value in oops dumps ARM: 8464/1: Update all mm structures with section adjustments ARM: 8465/1: mm: keep reserved ASIDs in sync with mm after multiple rollovers
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-02 21:12:38 +0000