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2021-07-11Merge tag 'irq-urgent-2021-07-11' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Ingo Molnar: "Two fixes: - Fix a MIPS IRQ handling RCU bug - Remove a DocBook annotation for a parameter that doesn't exist anymore" * tag 'irq-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/mips: Fix RCU violation when using irqdomain lookup on interrupt entry genirq/irqdesc: Drop excess kernel-doc entry @lookup
2021-07-11Merge tag 'perf-urgent-2021-07-11' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "A fix and a hardware-enablement addition: - Robustify uncore_snbep's skx_iio_set_mapping()'s error cleanup - Add cstate event support for Intel ICELAKE_X and ICELAKE_D" * tag 'perf-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel/uncore: Clean up error handling path of iio mapping perf/x86/cstate: Add ICELAKE_X and ICELAKE_D support
2021-07-11Merge tag 'locking-urgent-2021-07-11' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fixes from Ingo Molnar: - Fix a Sparc crash - Fix a number of objtool warnings - Fix /proc/lockdep output on certain configs - Restore a kprobes fail-safe * tag 'locking-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/atomic: sparc: Fix arch_cmpxchg64_local() kprobe/static_call: Restore missing static_call_text_reserved() static_call: Fix static_call_text_reserved() vs __init jump_label: Fix jump_label_text_reserved() vs __init locking/lockdep: Fix meaningless /proc/lockdep output of lock classes on !CONFIG_PROVE_LOCKING
2021-07-10Merge tag 'kbuild-v5.14' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - Increase the -falign-functions alignment for the debug option. - Remove ugly libelf checks from the top Makefile. - Make the silent build (-s) more silent. - Re-compile the kernel if KBUILD_BUILD_TIMESTAMP is specified. - Various script cleanups * tag 'kbuild-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (27 commits) scripts: add generic syscallnr.sh scripts: check duplicated syscall number in syscall table sparc: syscalls: use pattern rules to generate syscall headers parisc: syscalls: use pattern rules to generate syscall headers nds32: add arch/nds32/boot/.gitignore kbuild: mkcompile_h: consider timestamp if KBUILD_BUILD_TIMESTAMP is set kbuild: modpost: Explicitly warn about unprototyped symbols kbuild: remove trailing slashes from $(KBUILD_EXTMOD) kconfig.h: explain IS_MODULE(), IS_ENABLED() kconfig: constify long_opts scripts/setlocalversion: simplify the short version part scripts/setlocalversion: factor out 12-chars hash construction scripts/setlocalversion: add more comments to -dirty flag detection scripts/setlocalversion: remove workaround for old make-kpkg scripts/setlocalversion: remove mercurial, svn and git-svn supports kbuild: clean up ${quiet} checks in shell scripts kbuild: sink stdout from cmd for silent build init: use $(call cmd,) for generating include/generated/compile.h kbuild: merge scripts/mkmakefile to top Makefile sh: move core-y in arch/sh/Makefile to arch/sh/Kbuild ...
2021-07-10Merge tag 's390-5.14-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull more s390 updates from Vasily Gorbik: - Fix preempt_count initialization. - Rework call_on_stack() macro to add proper type handling and avoid possible register corruption. - More error prone "register asm" removal and fixes. - Fix syscall restarting when multiple signals are coming in. This adds minimalistic trampolines to vdso so we can return from signal without using the stack which requires pgm check handler hacks when NX is enabled. - Remove HAVE_IRQ_EXIT_ON_IRQ_STACK since this is no longer true after switch to generic entry. - Fix protected virtualization secure storage access exception handling. - Make machine check C handler always enter with DAT enabled and move register validation to C code. - Fix tinyconfig boot problem by avoiding MONITOR CALL without CONFIG_BUG. - Increase asm symbols alignment to 16 to make it consistent with compilers. - Enable concurrent access to the CPU Measurement Counter Facility. - Add support for dynamic AP bus size limit and rework ap_dqap to deal with messages greater than recv buffer. * tag 's390-5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (41 commits) s390: preempt: Fix preempt_count initialization s390/linkage: increase asm symbols alignment to 16 s390: rename CALL_ON_STACK_NORETURN() to call_on_stack_noreturn() s390: add type checking to CALL_ON_STACK_NORETURN() macro s390: remove old CALL_ON_STACK() macro s390/softirq: use call_on_stack() macro s390/lib: use call_on_stack() macro s390/smp: use call_on_stack() macro s390/kexec: use call_on_stack() macro s390/irq: use call_on_stack() macro s390/mm: use call_on_stack() macro s390: introduce proper type handling call_on_stack() macro s390/irq: simplify on_async_stack() s390/irq: inline do_softirq_own_stack() s390/irq: simplify do_softirq_own_stack() s390/ap: get rid of register asm in ap_dqap() s390: rename PIF_SYSCALL_RESTART to PIF_EXECVE_PGSTE_RESTART s390: move restart of execve() syscall s390/signal: remove sigreturn on stack s390/signal: switch to using vdso for sigreturn and syscall restart ...
2021-07-10Merge tag 'mips_5.14_1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux Pull MIPS fixes from Thomas Bogendoerfer: - fix for accesing gic via vdso - two build fixes * tag 'mips_5.14_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: MIPS: vdso: Invalid GIC access through VDSO mips: disable branch profiling in boot/decompress.o mips: always link byteswap helpers into decompressor
2021-07-10Merge tag 'arm-defconfig-5.14' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM defconfig updates from "Olof Johansson "A set of defconfig changes, we keep them in a separate branch to avoid conflicts between topics by separating them out. These changes are almost exclusively turning on new drivers for various platforms, or turning on modules for new drivers for the shared generic configs" * tag 'arm-defconfig-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (22 commits) arm64: defconfig: Enable renesas usb xhci pci host controller arm64: defconfig: Visconti: Enable GPIO arm64: defconfig: Visconti: Enable PWM arm64: defconfig: add drivers needed for DragonBoard410c ARM: config: aspeed: Add DEBUG_FS and EXT4 ARM: ixp4xx_defconfig: add MTD_PHYSMAP ARM: ixp4xx_defconfig: add CONFIG_SERIAL_OF_PLATFORM ARM: imx_v6_v7_defconfig: Select the Wifi ath10k sdio driver ARM: exynos_defconfig: restore framebuffer support arm64: defconfig: Enable ARCH_R9A07G044 ARM: configs: at91_dt_defconfig: configs for sam9x60 arm64: defconfig: Enable Exynos UFS driver arm64: defconfig: qcom: enable interconnect for SM8350 ARM: tegra_defconfig: Enable CONFIG_DEVFREQ_THERMAL arm64: defconfig: Enable usb2_clksel for R-Car Gen3 and RZ/G2 arm64: defconfig: enable Layerscape EDAC driver ARM: omap2plus_defconfig: Add LP5523 LED driver ARM: omap2plus_defconfig: Add WL1251 and WEXT modules ARM: shmobile: defconfig: Refresh for v5.13-rc1 arm64: defconfig: Allow Mediatek boards to boot from the mmc ...
2021-07-10Merge tag 'arm-dt-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/socLinus Torvalds
Pull ARM devicetree updates from Olof Johansson: "Like always, the DT branch is sizable. There are numerous additions and fixes to existing platforms, but also a handful of new ones introduced. Less than some other releases, but there's been significant work on cleanups, refactorings and device enabling on existing platforms. A non-exhaustive list of new material: - Refactoring of BCM2711 dtsi structure to add support for the Raspberry Pi 400 - Rockchip: RK3568 SoC and EVB, video codecs for rk3036/3066/3188/322x - Qualcomm: SA8155p Automotive platform (SM8150 derivative), SM8150/8250 enhancements and support for Sony Xperia 1/1II and 5/5II - TI K3: PCI/USB3 support on AM64-sk boards, R5 remoteproc definitions - TI OMAP: Various cleanups - Tegra: Audio support for Jetson Xavier NX, SMMU support on Tegra194 - Qualcomm: lots of additions for peripherals across several SoCs, and new support for Microsoft Surface Duo (SM8150-based), Huawei Ascend G7. - i.MX: Numerous additions of features across SoCs and boards. - Allwinner: More device bindings for V3s, Forlinx OKA40i-C and NanoPi R1S H5 boards - MediaTek: More device bindings for mt8167, new Chromebook system variants for mt8183 - Renesas: RZ/G2L SoC and EVK added - Amlogic: BananaPi BPI-M5 board added" * tag 'arm-dt-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (511 commits) arm64: dts: rockchip: add basic dts for RK3568 EVB arm64: dts: rockchip: add core dtsi for RK3568 SoC arm64: dts: rockchip: add generic pinconfig settings used by most Rockchip socs ARM: dts: rockchip: add vpu and vdec node for RK322x ARM: dts: rockchip: add vpu nodes for RK3066 and RK3188 ARM: dts: rockchip: add vpu node for RK3036 arm64: dts: ipq8074: Add QUP6 I2C node arm64: dts: rockchip: Re-add regulator-always-on for vcc_sdio for rk3399-roc-pc arm64: dts: rockchip: Re-add regulator-boot-on, regulator-always-on for vdd_gpu on rk3399-roc-pc arm64: dts: rockchip: add ir-receiver for rk3399-roc-pc arm64: dts: rockchip: Add USB-C port details for rk3399 Firefly arm64: dts: rockchip: Sort rk3399 firefly pinmux entries arm64: dts: rockchip: add infrared receiver node to RK3399 Firefly arm64: dts: rockchip: add SPDIF node for rk3399-firefly arm64: dts: rockchip: Add Rotation Property for OGA Panel arm64: dts: qcom: sc7180: bus votes for eMMC and SD card arm64: dts: qcom: sm8250-edo: Add Samsung touchscreen arm64: dts: qcom: sm8250-edo: Enable GPI DMA arm64: dts: qcom: sm8250-edo: Enable ADSP/CDSP/SLPI arm64: dts: qcom: sm8250-edo: Enable PCIe ...
2021-07-10Merge tag 'arm-soc-5.14' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC updates from Olof Johansson: "A few SoC (code) changes have queued up this cycle, mostly for minor changes and some refactoring and cleanup of legacy platforms. This branch also contains a few of the fixes that weren't sent in by the end of the release (all fairly minor). - Adding an additional maintainer for the TEE subsystem (Sumit Garg) - Quite a significant modernization of the IXP4xx platforms by Linus Walleij, revisiting with a new PCI host driver/binding, removing legacy mach/* include dependencies and moving platform detection/config to drivers/soc. Also some updates/cleanup of platform data. - Core power domain support for Tegra platforms, and some improvements in build test coverage by adding stubs for compile test targets. - A handful of updates to i.MX platforms, adding legacy (non-PSCI) SMP support on i.MX7D, SoC ID setup for i.MX50, removal of platform data and board fixups for iMX6/7. ... and a few smaller changes and fixes for Samsung, OMAP, Allwinner, Rockchip" * tag 'arm-soc-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (53 commits) MAINTAINERS: Add myself as TEE subsystem reviewer ixp4xx: fix spelling mistake in Kconfig "Devce" -> "Device" hw_random: ixp4xx: Add OF support hw_random: ixp4xx: Add DT bindings hw_random: ixp4xx: Turn into a module hw_random: ixp4xx: Use SPDX license tag hw_random: ixp4xx: enable compile-testing pata: ixp4xx: split platform data to its own header soc: ixp4xx: move cpu detection to linux/soc/ixp4xx/cpu.h PCI: ixp4xx: Add a new driver for IXP4xx PCI: ixp4xx: Add device tree bindings for IXP4xx ARM/ixp4xx: Make NEED_MACH_IO_H optional ARM/ixp4xx: Move the virtual IObases MAINTAINERS: ARM/MStar/Sigmastar SoCs: Add a link to the MStar tree ARM: debug: add UART early console support for MSTAR SoCs ARM: dts: ux500: Fix LED probing ARM: imx: add smp support for imx7d ARM: imx6q: drop of_platform_default_populate() from init_machine arm64: dts: rockchip: Update RK3399 PCI host bridge window to 32-bit address memory soc/tegra: fuse: Fix Tegra234-only builds ...
2021-07-10Merge tag 'fixes-2021-07-09' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock Pull memblock fix from Mike Rapoport: "This is a fix for the rework of ARM's pfn_valid() implementation merged during this merge window. Don't abuse pfn_valid() to check if pfn is in RAM The semantics of pfn_valid() is to check presence of the memory map for a PFN and not whether a PFN is in RAM. The memory map may be present for a hole in the physical memory and if such hole corresponds to an MMIO range, __arm_ioremap_pfn_caller() will produce a WARN() and fail. Use memblock_is_map_memory() instead of pfn_valid() to check if a PFN is in RAM or not" * tag 'fixes-2021-07-09' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock: arm: ioremap: don't abuse pfn_valid() to check if pfn is in RAM
2021-07-09Merge tag 'block-5.14-2021-07-08' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull more block updates from Jens Axboe: "A combination of changes that ended up depending on both the driver and core branch (and/or the IDE removal), and a few late arriving fixes. In detail: - Fix io ticks wrap-around issue (Chunguang) - nvme-tcp sock locking fix (Maurizio) - s390-dasd fixes (Kees, Christoph) - blk_execute_rq polling support (Keith) - blk-cgroup RCU iteration fix (Yu) - nbd backend ID addition (Prasanna) - Partition deletion fix (Yufen) - Use blk_mq_alloc_disk for mmc, mtip32xx, ubd (Christoph) - Removal of now dead block request types due to IDE removal (Christoph) - Loop probing and control device cleanups (Christoph) - Device uevent fix (Christoph) - Misc cleanups/fixes (Tetsuo, Christoph)" * tag 'block-5.14-2021-07-08' of git://git.kernel.dk/linux-block: (34 commits) blk-cgroup: prevent rcu_sched detected stalls warnings while iterating blkgs block: fix the problem of io_ticks becoming smaller nvme-tcp: can't set sk_user_data without write_lock loop: remove unused variable in loop_set_status() block: remove the bdgrab in blk_drop_partitions block: grab a device refcount in disk_uevent s390/dasd: Avoid field over-reading memcpy() dasd: unexport dasd_set_target_state block: check disk exist before trying to add partition ubd: remove dead code in ubd_setup_common nvme: use return value from blk_execute_rq() block: return errors from blk_execute_rq() nvme: use blk_execute_rq() for passthrough commands block: support polling through blk_execute_rq block: remove REQ_OP_SCSI_{IN,OUT} block: mark blk_mq_init_queue_data static loop: rewrite loop_exit using idr_for_each_entry loop: split loop_lookup loop: don't allow deleting an unspecified loop device loop: move loop_ctl_mutex locking into loop_add ...
2021-07-09Merge branch 'arm/fixes' into arm/socOlof Johansson
Merging in the last batch of fixes that didn't go in before previous release, just a few smaller DT fixups and a MAINTAINERS update * arm/fixes: (29 commits) MAINTAINERS: Add myself as TEE subsystem reviewer ARM: dts: ux500: Fix LED probing arm64: dts: rockchip: Update RK3399 PCI host bridge window to 32-bit address memory arm64: dts: allwinner: a64-sopine-baseboard: change RGMII mode to TXID arm64: meson: select COMMON_CLK soc: amlogic: meson-clk-measure: remove redundant dev_err call in meson_msr_probe() ARM: dts: qcom: sdx55-telit: Represent secure-regions as 64-bit elements ARM: dts: qcom: sdx55-t55: Represent secure-regions as 64-bit elements ARM: dts: sun8i: h3: orangepi-plus: Fix ethernet phy-mode ARM: dts: imx: emcon-avari: Fix nxp,pca8574 #gpio-cells ARM: dts: imx7d-pico: Fix the 'tuning-step' property ARM: dts: imx7d-meerkat96: Fix the 'tuning-step' property arm64: dts: freescale: sl28: var1: fix RGMII clock and voltage arm64: dts: freescale: sl28: var4: fix RGMII clock and voltage ARM: imx: pm-imx27: Include "common.h" arm64: dts: zii-ultra: fix 12V_MAIN voltage arm64: dts: zii-ultra: remove second GEN_3V3 regulator instance arm64: dts: ls1028a: fix memory node optee: use export_uuid() to copy client UUID arm64: dts: ti: k3*: Introduce reg definition for interrupt routers ...
2021-07-09Merge tag 'riscv-for-linus-5.14-mw0' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V updates from Palmer Dabbelt: "We have a handful of new features for 5.14: - Support for transparent huge pages. - Support for generic PCI resources mapping. - Support for the mem= kernel parameter. - Support for KFENCE. - A handful of fixes to avoid W+X mappings in the kernel. - Support for VMAP_STACK based overflow detection. - An optimized copy_{to,from}_user" * tag 'riscv-for-linus-5.14-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (37 commits) riscv: xip: Fix duplicate included asm/pgtable.h riscv: Fix PTDUMP output now BPF region moved back to module region riscv: __asm_copy_to-from_user: Optimize unaligned memory access and pipeline stall riscv: add VMAP_STACK overflow detection riscv: ptrace: add argn syntax riscv: mm: fix build errors caused by mk_pmd() riscv: Introduce structure that group all variables regarding kernel mapping riscv: Map the kernel with correct permissions the first time riscv: Introduce set_kernel_memory helper riscv: Enable KFENCE for riscv64 RISC-V: Use asm-generic for {in,out}{bwlq} riscv: add ASID-based tlbflushing methods riscv: pass the mm_struct to __sbi_tlb_flush_range riscv: Add mem kernel parameter support riscv: Simplify xip and !xip kernel address conversion macros riscv: Remove CONFIG_PHYS_RAM_BASE_FIXED riscv: Only initialize swiotlb when necessary riscv: fix typo in init.c riscv: Cleanup unused functions riscv: mm: Use better bitmap_zalloc() ...
2021-07-09Merge tag 'powerpc-5.14-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "Fix crashes on 64-bit Book3E due to use of Book3S only mtmsrd instruction. Fix "scheduling while atomic" warnings at boot due to preempt count underflow. Two commits fixing our handling of BPF atomic instructions. Fix error handling in xive when allocating an IPI. Fix lockup on kernel exec fault on 603. Thanks to Bharata B Rao, Cédric Le Goater, Christian Zigotzky, Christophe Leroy, Guenter Roeck, Jiri Olsa, Naveen N. Rao, Nicholas Piggin, and Valentin Schneider" * tag 'powerpc-5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/preempt: Don't touch the idle task's preempt_count during hotplug powerpc/64e: Fix system call illegal mtmsrd instruction powerpc/xive: Fix error handling when allocating an IPI powerpc/bpf: Reject atomic ops in ppc32 JIT powerpc/bpf: Fix detecting BPF atomic instructions powerpc/mm: Fix lockup on kernel exec fault
2021-07-09Merge tag 'for-linus-5.14-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml Pull UML updates from Richard Weinberger: - Support for optimized routines based on the host CPU - Support for PCI via virtio - Various fixes * tag 'for-linus-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: remove unneeded semicolon in um_arch.c um: Remove the repeated declaration um: fix error return code in winch_tramp() um: fix error return code in slip_open() um: Fix stack pointer alignment um: implement flush_cache_vmap/flush_cache_vunmap um: add a UML specific futex implementation um: enable the use of optimized xor routines in UML um: Add support for host CPU flags and alignment um: allow not setting extra rpaths in the linux binary um: virtio/pci: enable suspend/resume um: add PCI over virtio emulation driver um: irqs: allow invoking time-travel handler multiple times um: time-travel/signals: fix ndelay() in interrupt um: expose time-travel mode to userspace side um: export signals_enabled directly um: remove unused smp_sigio_handler() declaration lib: add iomem emulation (logic_iomem) um: allow disabling NO_IOMEM
2021-07-09Merge branch 'akpm' (patches from Andrew)Linus Torvalds
Pull yet more updates from Andrew Morton: "54 patches. Subsystems affected by this patch series: lib, mm (slub, secretmem, cleanups, init, pagemap, and mremap), and debug" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (54 commits) powerpc/mm: enable HAVE_MOVE_PMD support powerpc/book3s64/mm: update flush_tlb_range to flush page walk cache mm/mremap: allow arch runtime override mm/mremap: hold the rmap lock in write mode when moving page table entries. mm/mremap: use pmd/pud_poplulate to update page table entries mm/mremap: don't enable optimized PUD move if page table levels is 2 mm/mremap: convert huge PUD move to separate helper selftest/mremap_test: avoid crash with static build selftest/mremap_test: update the test to handle pagesize other than 4K mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t * mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t * kdump: use vmlinux_build_id to simplify buildid: fix kernel-doc notation buildid: mark some arguments const scripts/decode_stacktrace.sh: indicate 'auto' can be used for base path scripts/decode_stacktrace.sh: silence stderr messages from addr2line/nm scripts/decode_stacktrace.sh: support debuginfod x86/dumpstack: use %pSb/%pBb for backtrace printing arm64: stacktrace: use %pSb for backtrace printing module: add printk formats to add module build ID to stacktraces ...
2021-07-09Merge tag 'irqchip-fixes-5.14-1' of ↵Thomas Gleixner
git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent Pull irqchip fixes from Marc Zyngier: - Fix a MIPS bug where irqdomain loopkups could occur in a context where RCU is not allowed - Fix a documentation bug for handle_domain_irq
2021-07-09MIPS: vdso: Invalid GIC access through VDSOMartin Fäcknitz
Accessing raw timers (currently only CLOCK_MONOTONIC_RAW) through VDSO doesn't return the correct time when using the GIC as clock source. The address of the GIC mapped page is in this case not calculated correctly. The GIC mapped page is calculated from the VDSO data by subtracting PAGE_SIZE: void *get_gic(const struct vdso_data *data) { return (void __iomem *)data - PAGE_SIZE; } However, the data pointer is not page aligned for raw clock sources. This is because the VDSO data for raw clock sources (CS_RAW = 1) is stored after the VDSO data for coarse clock sources (CS_HRES_COARSE = 0). Therefore, only the VDSO data for CS_HRES_COARSE is page aligned: +--------------------+ | | | vd[CS_RAW] | ---+ | vd[CS_HRES_COARSE] | | +--------------------+ | -PAGE_SIZE | | | | GIC mapped page | <--+ | | +--------------------+ When __arch_get_hw_counter() is called with &vd[CS_RAW], get_gic returns the wrong address (somewhere inside the GIC mapped page). The GIC counter values are not returned which results in an invalid time. Fixes: a7f4df4e21dd ("MIPS: VDSO: Add implementations of gettimeofday() and clock_gettime()") Signed-off-by: Martin Fäcknitz <faecknitz@hotsplots.de> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2021-07-09irqchip/mips: Fix RCU violation when using irqdomain lookup on interrupt entryMarc Zyngier
Since d4a45c68dc81 ("irqdomain: Protect the linear revmap with RCU"), any irqdomain lookup requires the RCU read lock to be held. This assumes that the architecture code will be structured such as irq_enter() will be called *before* the interrupt is looked up in the irq domain. However, this isn't the case for MIPS, and a number of drivers are structured to do it the other way around when handling an interrupt in their root irqchip (secondary irqchips are OK by construction). This results in a RCU splat on a lockdep-enabled kernel when the kernel takes an interrupt from idle, as reported by Guenter Roeck. Note that this could have fired previously if any driver had used tree-based irqdomain, which always had the RCU requirement. To solve this, provide a MIPS-specific helper (do_domain_IRQ()) as the pendent of do_IRQ() that will do thing in the right order (and maybe save some cycles in the process). Ideally, MIPS would be moved over to using handle_domain_irq(), but that's much more ambitious. Reported-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> [maz: add dependency on CONFIG_IRQ_DOMAIN after report from the kernelci bot] Signed-off-by: Marc Zyngier <maz@kernel.org> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Serge Semin <fancer.lancer@gmail.com> Link: https://lore.kernel.org/r/20210705172352.GA56304@roeck-us.net Link: https://lore.kernel.org/r/20210706110647.3979002-1-maz@kernel.org
2021-07-08s390: preempt: Fix preempt_count initializationValentin Schneider
S390's init_idle_preempt_count(p, cpu) doesn't actually let us initialize the preempt_count of the requested CPU's idle task: it unconditionally writes to the current CPU's. This clearly conflicts with idle_threads_init(), which intends to initialize *all* the idle tasks, including their preempt_count (or their CPU's, if the arch uses a per-CPU preempt_count). Unfortunately, it seems the way s390 does things doesn't let us initialize every possible CPU's preempt_count early on, as the pages where this resides are only allocated when a CPU is brought up and are freed when it is brought down. Let the arch-specific code set a CPU's preempt_count when its lowcore is allocated, and turn init_idle_preempt_count() into an empty stub. Fixes: f1a0a376ca0c ("sched/core: Initialize the idle task with preemption disabled") Reported-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Valentin Schneider <valentin.schneider@arm.com> Tested-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Link: https://lore.kernel.org/r/20210707163338.1623014-1-valentin.schneider@arm.com Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390/linkage: increase asm symbols alignment to 16Vasily Gorbik
Both clang and gcc (for -march=z13 and later) align functions to 16 bytes at -O2 to benefit branch prediction. Make asm symbols alignment consistent with that. This also benefits potential ftrace code patching, which is currently able to patch 8 aligned bytes at once. With defconfig this currently increases .text size by 4104 bytes. Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390: rename CALL_ON_STACK_NORETURN() to call_on_stack_noreturn()Heiko Carstens
Lower case matches the call_on_stack() macro and is easier to read. Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390: add type checking to CALL_ON_STACK_NORETURN() macroHeiko Carstens
Make sure the to be called function takes no arguments (and returns void). Otherwise usage of CALL_ON_STACK_NORETURN() would generate broken code. Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390: remove old CALL_ON_STACK() macroHeiko Carstens
Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390/softirq: use call_on_stack() macroHeiko Carstens
Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390/lib: use call_on_stack() macroHeiko Carstens
Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390/smp: use call_on_stack() macroHeiko Carstens
Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390/kexec: use call_on_stack() macroHeiko Carstens
Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390/irq: use call_on_stack() macroHeiko Carstens
Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390/mm: use call_on_stack() macroHeiko Carstens
Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390: introduce proper type handling call_on_stack() macroHeiko Carstens
The existing CALL_ON_STACK() macro allows for subtle bugs: - There is no type checking of the function that is being called. That is: missing or too many arguments do not cause any compile error or warning. The same is true if the return type of the called function changes. This can lead to quite random bugs. - Sign and zero extension of arguments is missing. Given that the s390 C ABI requires that the caller of a function performs proper sign and zero extension this can also lead to subtle bugs. - If arguments to the CALL_ON_STACK() macros contain functions calls register corruption can happen due to register asm constructs being used. Therefore introduce a new call_on_stack() macro which is supposed to fix all these problems. Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390/irq: simplify on_async_stack()Heiko Carstens
Make on_async_stack() a bit more readable, even though as usual it depends if one considers "!!!" readable or not. At least the new construct to check if the async stack is in use or not is a bit shorter and generates slightly better code. Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390/irq: inline do_softirq_own_stack()Heiko Carstens
Move do_softirq_own_stack() to proper header file so it can be inlined; saving a few cycles. Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390/irq: simplify do_softirq_own_stack()Heiko Carstens
do_softirq_own_stack() is always called from task context and therefore it is not necessary to check if the async stack is currently used. Remove the check and directly switch to async stack. Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390/ap: get rid of register asm in ap_dqap()Harald Freudenberger
This is the second part of the cleanup for the header file ap.h to remove the register asm statements. This patch deals with the inline ap_dqap() function where within the assembler code an odd register of an register pair is to be addressed. [hca@linux.ibm.com: this intentionally breaks compilation with any clang compilers prior to llvm-project commit 458eac257377 ("[SystemZ] Support the 'N' code for the odd register in inline-asm."). This is hopefully the last clang kernel compile breakage caused by incompatibilities between gcc and clang.] Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390: rename PIF_SYSCALL_RESTART to PIF_EXECVE_PGSTE_RESTARTSven Schnelle
PIF_SYSCALL_RESTART is now only used to restart execve when loading PGSTE binaries. Rename the flag to reflect that, and avoid people thinking that this bit has anything to do with generic syscall restarting. Signed-off-by: Sven Schnelle <svens@linux.ibm.com> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390: move restart of execve() syscallSven Schnelle
On s390, execve might have to be restarted for PGSTE binaries like kvm. In the past this was done via the PIF_SYSCALL_RESTART bit. However, with the recent changes, syscalls are now restarted differently. Now that execve() is the only call that might get restarted via PIF_SYSCALL_RESTART, move the loop to do_syscall(). This also has the advantage that the restart is no longer visible to userspace. Signed-off-by: Sven Schnelle <svens@linux.ibm.com> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390/signal: remove sigreturn on stackSven Schnelle
{rt_}sigreturn is now called from the vdso, so we no longer need the svc on the stack, and therefore no hack to support that mechanism on machines with non-executable stack. Signed-off-by: Sven Schnelle <svens@linux.ibm.com> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08s390/signal: switch to using vdso for sigreturn and syscall restartSven Schnelle
with generic entry, there's a bug when it comes to restarting of signals. The failing sequence is: a) a signal is coming in, and no handler is registered, so the lower part of arch_do_signal_or_restart() in arch/s390/kernel/signal.c sets PIF_SYSCALL_RESTART. b) a second signal gets pending while the kernel is still in the exit loop, and for that one, a handler exists. c) The first part of arch_do_signal_or_restart() is called. That part calls handle_signal(), which sets up stack + registers for handling the signal. d) __do_syscall() in arch/s390/kernel/syscall.c checks for PIF_SYSCALL_RESTART right before leaving to userspace. If it is set, it restart's the syscall. However, the registers are already setup for handling a signal from c). The syscall is now restarted with the wrong arguments. Change the code to: - use vdso for syscall_restart() instead of PIF_SYSCALL_RESTART because we cannot rewind and go back to userspace on s390 because the system call number might be encoded in the svc instruction. - for all other syscalls we rewind the PSW and return to userspace. Cc: <stable@kernel.org> # v5.12+ d57778feb987: s390/vdso: always enable vdso Cc: <stable@kernel.org> # v5.12+ 686341f2548b: s390/vdso64: add sigreturn,rt_sigreturn and restart_syscall Cc: <stable@kernel.org> # v5.12+ 43e1f76b0b69: s390/vdso: rename VDSO64_LBASE to VDSO_LBASE Cc: <stable@kernel.org> # v5.12+ 779df2248739: s390/vdso: add minimal compat vdso Cc: <stable@kernel.org> # v5.12+ Signed-off-by: Sven Schnelle <svens@linux.ibm.com> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-07-08Merge tag 'pci-v5.14-changes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull pci updates from Bjorn Helgaas: "Enumeration: - Fix dsm_label_utf16s_to_utf8s() buffer overrun (Krzysztof Wilczyński) - Rely on lengths from scnprintf(), dsm_label_utf16s_to_utf8s() (Krzysztof Wilczyński) - Use sysfs_emit() and sysfs_emit_at() in "show" functions (Krzysztof Wilczyński) - Fix 'resource_alignment' newline issues (Krzysztof Wilczyński) - Add 'devspec' newline (Krzysztof Wilczyński) - Dynamically map ECAM regions (Russell King) Resource management: - Coalesce host bridge contiguous apertures (Kai-Heng Feng) PCIe native device hotplug: - Ignore Link Down/Up caused by DPC (Lukas Wunner) Power management: - Leave Apple Thunderbolt controllers on for s2idle or standby (Konstantin Kharlamov) Virtualization: - Work around Huawei Intelligent NIC VF FLR erratum (Chiqijun) - Clarify error message for unbound IOV devices (Moritz Fischer) - Add pci_reset_bus_function() Secondary Bus Reset interface (Raphael Norwitz) Peer-to-peer DMA: - Simplify distance calculation (Christoph Hellwig) - Finish RCU conversion of pdev->p2pdma (Eric Dumazet) - Rename upstream_bridge_distance() and rework doc (Logan Gunthorpe) - Collect acs list in stack buffer to avoid sleeping (Logan Gunthorpe) - Use correct calc_map_type_and_dist() return type (Logan Gunthorpe) - Warn if host bridge not in whitelist (Logan Gunthorpe) - Refactor pci_p2pdma_map_type() (Logan Gunthorpe) - Avoid pci_get_slot(), which may sleep (Logan Gunthorpe) Altera PCIe controller driver: - Add Joyce Ooi as Altera PCIe maintainer (Joyce Ooi) Broadcom iProc PCIe controller driver: - Fix multi-MSI base vector number allocation (Sandor Bodo-Merle) - Support multi-MSI only on uniprocessor kernel (Sandor Bodo-Merle) Freescale i.MX6 PCIe controller driver: - Limit DBI register length for imx6qp PCIe (Richard Zhu) - Add "vph-supply" for PHY supply voltage (Richard Zhu) - Enable PHY internal regulator when supplied >3V (Richard Zhu) - Remove imx6_pcie_probe() redundant error message (Zhen Lei) Intel Gateway PCIe controller driver: - Fix INTx enable (Martin Blumenstingl) Marvell Aardvark PCIe controller driver: - Fix checking for PIO Non-posted Request (Pali Rohár) - Implement workaround for the readback value of VEND_ID (Pali Rohár) MediaTek PCIe controller driver: - Remove redundant error printing in mtk_pcie_subsys_powerup() (Zhen Lei) MediaTek PCIe Gen3 controller driver: - Add missing MODULE_DEVICE_TABLE (Zou Wei) Microchip PolarFlare PCIe controller driver: - Make struct event_descs static (Krzysztof Wilczyński) Microsoft Hyper-V host bridge driver: - Fix race condition when removing the device (Long Li) - Remove bus device removal unused refcount/functions (Long Li) Mobiveil PCIe controller driver: - Remove unused readl and writel functions (Krzysztof Wilczyński) NVIDIA Tegra PCIe controller driver: - Add missing MODULE_DEVICE_TABLE (Zou Wei) NVIDIA Tegra194 PCIe controller driver: - Fix tegra_pcie_ep_raise_msi_irq() ill-defined shift (Jon Hunter) - Fix host initialization during resume (Vidya Sagar) Rockchip PCIe controller driver: - Register IRQ handlers after device and data are ready (Javier Martinez Canillas)" * tag 'pci-v5.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (48 commits) PCI/P2PDMA: Finish RCU conversion of pdev->p2pdma PCI: xgene: Annotate __iomem pointer PCI: Fix kernel-doc formatting PCI: cpcihp: Declare cpci_debug in header file MAINTAINERS: Add Joyce Ooi as Altera PCIe maintainer PCI: rockchip: Register IRQ handlers after device and data are ready PCI: tegra194: Fix tegra_pcie_ep_raise_msi_irq() ill-defined shift PCI: aardvark: Implement workaround for the readback value of VEND_ID PCI: aardvark: Fix checking for PIO Non-posted Request PCI: tegra194: Fix host initialization during resume PCI: tegra: Add missing MODULE_DEVICE_TABLE PCI: imx6: Enable PHY internal regulator when supplied >3V dt-bindings: imx6q-pcie: Add "vph-supply" for PHY supply voltage PCI: imx6: Limit DBI register length for imx6qp PCIe PCI: imx6: Remove imx6_pcie_probe() redundant error message PCI: intel-gw: Fix INTx enable PCI: iproc: Support multi-MSI only on uniprocessor kernel PCI: iproc: Fix multi-MSI base vector number allocation PCI: mediatek-gen3: Add missing MODULE_DEVICE_TABLE PCI: Dynamically map ECAM regions ...
2021-07-08powerpc/mm: enable HAVE_MOVE_PMD supportAneesh Kumar K.V
mremap HAVE_MOVE_PMD/PUD optimization time comparison for 1GB region: 1GB mremap - Source PTE-aligned, Destination PTE-aligned mremap time: 2292772ns 1GB mremap - Source PMD-aligned, Destination PMD-aligned mremap time: 1158928ns 1GB mremap - Source PUD-aligned, Destination PUD-aligned mremap time: 63886ns Link: https://lkml.kernel.org/r/20210616045735.374532-4-aneesh.kumar@linux.ibm.com Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Hugh Dickins <hughd@google.com> Cc: Joel Fernandes <joel@joelfernandes.org> Cc: Kalesh Singh <kaleshsingh@google.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Kirill A. Shutemov <kirill@shutemov.name> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-08powerpc/book3s64/mm: update flush_tlb_range to flush page walk cacheAneesh Kumar K.V
flush_tlb_range is special in that we don't specify the page size used for the translation. Hence when flushing TLB we flush the translation cache for all possible page sizes. The kernel also uses the same interface when moving page tables around. Such a move requires us to flush the page walk cache. Instead of adding another interface to force page walk cache flush, update flush_tlb_range to flush page walk cache if the range flushed is more than the PMD range. A page table move will always involve an invalidate range more than PMD_SIZE. Running microbenchmark with mprotect and parallel memory access didn't show any observable performance impact. Link: https://lkml.kernel.org/r/20210616045735.374532-3-aneesh.kumar@linux.ibm.com Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Hugh Dickins <hughd@google.com> Cc: Joel Fernandes <joel@joelfernandes.org> Cc: Kalesh Singh <kaleshsingh@google.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-08mm/mremap: allow arch runtime overrideAneesh Kumar K.V
Patch series "Speedup mremap on ppc64", v8. This patchset enables MOVE_PMD/MOVE_PUD support on power. This requires the platform to support updating higher-level page tables without updating page table entries. This also needs to invalidate the Page Walk Cache on architecture supporting the same. This patch (of 3): Architectures like ppc64 support faster mremap only with radix translation. Hence allow a runtime check w.r.t support for fast mremap. Link: https://lkml.kernel.org/r/20210616045735.374532-1-aneesh.kumar@linux.ibm.com Link: https://lkml.kernel.org/r/20210616045735.374532-2-aneesh.kumar@linux.ibm.com Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Kalesh Singh <kaleshsingh@google.com> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Joel Fernandes <joel@joelfernandes.org> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Kirill A. Shutemov <kirill@shutemov.name> Cc: "Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com> Cc: Hugh Dickins <hughd@google.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-08mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t *Aneesh Kumar K.V
No functional change in this patch. [aneesh.kumar@linux.ibm.com: m68k build error reported by kernel robot] Link: https://lkml.kernel.org/r/87tulxnb2v.fsf@linux.ibm.com Link: https://lkml.kernel.org/r/20210615110859.320299-2-aneesh.kumar@linux.ibm.com Link: https://lore.kernel.org/linuxppc-dev/CAHk-=wi+J+iodze9FtjM3Zi4j4OeS+qqbKxME9QN4roxPEXH9Q@mail.gmail.com/ Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Hugh Dickins <hughd@google.com> Cc: Joel Fernandes <joel@joelfernandes.org> Cc: Kalesh Singh <kaleshsingh@google.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-08mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t *Aneesh Kumar K.V
No functional change in this patch. [aneesh.kumar@linux.ibm.com: fix] Link: https://lkml.kernel.org/r/87wnqtnb60.fsf@linux.ibm.com [sfr@canb.auug.org.au: another fix] Link: https://lkml.kernel.org/r/20210619134410.89559-1-aneesh.kumar@linux.ibm.com Link: https://lkml.kernel.org/r/20210615110859.320299-1-aneesh.kumar@linux.ibm.com Link: https://lore.kernel.org/linuxppc-dev/CAHk-=wi+J+iodze9FtjM3Zi4j4OeS+qqbKxME9QN4roxPEXH9Q@mail.gmail.com/ Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Hugh Dickins <hughd@google.com> Cc: Joel Fernandes <joel@joelfernandes.org> Cc: Kalesh Singh <kaleshsingh@google.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-08x86/dumpstack: use %pSb/%pBb for backtrace printingStephen Boyd
Let's use the new printk formats to print the stacktrace entries when printing a backtrace to the kernel logs. This will include any module's build ID[1] in it so that offline/crash debugging can easily locate the debuginfo for a module via something like debuginfod[2]. Link: https://lkml.kernel.org/r/20210511003845.2429846-8-swboyd@chromium.org Link: https://fedoraproject.org/wiki/Releases/FeatureBuildId [1] Link: https://sourceware.org/elfutils/Debuginfod.html [2] Signed-off-by: Stephen Boyd <swboyd@chromium.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Jessica Yu <jeyu@kernel.org> Cc: Evan Green <evgreen@chromium.org> Cc: Hsin-Yi Wang <hsinyi@chromium.org> Cc: Petr Mladek <pmladek@suse.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Baoquan He <bhe@redhat.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dave Young <dyoung@redhat.com> Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Sasha Levin <sashal@kernel.org> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Vivek Goyal <vgoyal@redhat.com> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-08arm64: stacktrace: use %pSb for backtrace printingStephen Boyd
Let's use the new printk format to print the stacktrace entry when printing a backtrace to the kernel logs. This will include any module's build ID[1] in it so that offline/crash debugging can easily locate the debuginfo for a module via something like debuginfod[2]. Link: https://lkml.kernel.org/r/20210511003845.2429846-7-swboyd@chromium.org Link: https://fedoraproject.org/wiki/Releases/FeatureBuildId [1] Link: https://sourceware.org/elfutils/Debuginfod.html [2] Signed-off-by: Stephen Boyd <swboyd@chromium.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Jessica Yu <jeyu@kernel.org> Cc: Evan Green <evgreen@chromium.org> Cc: Hsin-Yi Wang <hsinyi@chromium.org> Cc: Petr Mladek <pmladek@suse.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Baoquan He <bhe@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Young <dyoung@redhat.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Sasha Levin <sashal@kernel.org> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-08x86: convert to setup_initial_init_mm()Kefeng Wang
Use setup_initial_init_mm() helper to simplify code. Link: https://lkml.kernel.org/r/20210608083418.137226-16-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-08sh: convert to setup_initial_init_mm()Kefeng Wang
Use setup_initial_init_mm() helper to simplify code. Link: https://lkml.kernel.org/r/20210608083418.137226-15-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-08s390: convert to setup_initial_init_mm()Kefeng Wang
Use setup_initial_init_mm() helper to simplify code. Link: https://lkml.kernel.org/r/20210608083418.137226-14-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>