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2019-09-17Merge tag 'please-pull-ia64_for_5.4' of ↵Linus Torvalds5-5/+0
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux Pull ia64 updates from Tony Luck: "The big change here is removal of support for SGI Altix" * tag 'please-pull-ia64_for_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: (33 commits) genirq: remove the is_affinity_mask_valid hook ia64: remove CONFIG_SWIOTLB ifdefs ia64: remove support for machvecs ia64: move the screen_info setup to common code ia64: move the ROOT_DEV setup to common code ia64: rework iommu probing ia64: remove the unused sn_coherency_id symbol ia64: remove the SGI UV simulator support ia64: remove the zx1 swiotlb machvec ia64: remove CONFIG_ACPI ifdefs ia64: remove CONFIG_PCI ifdefs ia64: remove the hpsim platform ia64: remove now unused machvec indirections ia64: remove support for the SGI SN2 platform drivers: remove the SGI SN2 IOC4 base support drivers: remove the SGI SN2 IOC3 base support qla2xxx: remove SGI SN2 support qla1280: remove SGI SN2 support misc/sgi-xp: remove SGI SN2 support char/mspec: remove SGI SN2 support ...
2019-08-22Merge tag 'Wimplicit-fallthrough-5.3-rc6' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux Pull more fallthrough fixes from Gustavo A. R. Silva: "Fix fall-through warnings on arm and mips for multiple configurations" * tag 'Wimplicit-fallthrough-5.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux: video: fbdev: acornfb: Mark expected switch fall-through scsi: libsas: sas_discover: Mark expected switch fall-through MIPS: Octeon: Mark expected switch fall-through power: supply: ab8500_charger: Mark expected switch fall-through watchdog: wdt285: Mark expected switch fall-through mtd: sa1100: Mark expected switch fall-through drm/sun4i: tcon: Mark expected switch fall-through drm/sun4i: sun6i_mipi_dsi: Mark expected switch fall-through ARM: riscpc: Mark expected switch fall-through dmaengine: fsldma: Mark expected switch fall-through
2019-08-21MIPS: Octeon: Mark expected switch fall-throughGustavo A. R. Silva1-0/+1
Mark switch cases where we are expecting to fall through. Fix the following warning (Building: cavium_octeon_defconfig mips): arch/mips/include/asm/octeon/cvmx-sli-defs.h:47:6: warning: this statement may fall through [-Wimplicit-fallthrough=] Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
2019-08-16drivers: remove the SGI SN2 IOC4 base supportChristoph Hellwig5-5/+0
The IOC4 is a multi-function chip seen on SGI SN2 and some SGI MIPS systems. This removes the base driver, which while not having an SN2 Kconfig dependency was only for sub-drivers that had one. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lkml.kernel.org/r/20190813072514.23299-15-hch@lst.de Signed-off-by: Tony Luck <tony.luck@intel.com>
2019-08-10Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds1-10/+0
Pull kvm fixes from Paolo Bonzini: "Bugfixes (arm and x86) and cleanups" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: selftests: kvm: Adding config fragments KVM: selftests: Update gitignore file for latest changes kvm: remove unnecessary PageReserved check KVM: arm/arm64: vgic: Reevaluate level sensitive interrupts on enable KVM: arm: Don't write junk to CP15 registers on reset KVM: arm64: Don't write junk to sysregs on reset KVM: arm/arm64: Sync ICH_VMCR_EL2 back when about to block x86: kvm: remove useless calls to kvm_para_available KVM: no need to check return value of debugfs_create functions KVM: remove kvm_arch_has_vcpu_debugfs() KVM: Fix leak vCPU's VMCS value into other pCPU KVM: Check preempted_in_kernel for involuntary preemption KVM: LAPIC: Don't need to wakeup vCPU twice afer timer fire arm64: KVM: hyp: debug-sr: Mark expected switch fall-through KVM: arm64: Update kvm_arm_exception_class and esr_class_str for new EC KVM: arm: vgic-v3: Mark expected switch fall-through arm64: KVM: regmap: Fix unexpected switch fall-through KVM: arm/arm64: Introduce kvm_pmu_vcpu_init() to setup PMU counter index
2019-08-09Merge tag 'kvmarm-fixes-for-5.3' of ↵Paolo Bonzini58-232/+395
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/arm fixes for 5.3 - A bunch of switch/case fall-through annotation, fixing one actual bug - Fix PMU reset bug - Add missing exception class debug strings
2019-08-07Merge tag 'mips_fixes_5.3_1' of ↵Linus Torvalds6-1/+20
git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux Pull MIPS fixes from Paul Burton: "A few MIPS fixes for 5.3: - Various switch fall through annotations to fixup warnings & errors resulting from -Wimplicit-fallthrough. - A fix for systems (at least jazz) using an i8253 PIT as clocksource when it's not suitably configured. - Set struct cacheinfo's cpu_map_populated field to true, indicating that we filled in cache info detected from cop0 registers & avoiding complaints about that info being (intentionally) missing in devicetree" * tag 'mips_fixes_5.3_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: MIPS: BCM63XX: Mark expected switch fall-through MIPS: OProfile: Mark expected switch fall-throughs MIPS: Annotate fall-through in Cavium Octeon code MIPS: Annotate fall-through in kvm/emulate.c mips: fix cacheinfo MIPS: kernel: only use i8253 clocksource with periodic clockevent
2019-08-06MIPS: BCM63XX: Mark expected switch fall-throughGustavo A. R. Silva1-0/+1
Mark switch cases where we are expecting to fall through. This patch fixes the following warning (Building: bcm63xx_defconfig mips): arch/mips/pci/ops-bcm63xx.c: In function ‘bcm63xx_pcie_can_access’: arch/mips/pci/ops-bcm63xx.c:474:6: warning: this statement may fall through [-Wimplicit-fallthrough=] if (PCI_SLOT(devfn) == 0) ^ arch/mips/pci/ops-bcm63xx.c:477:2: note: here default: ^~~~~~~ Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: bcm-kernel-feedback-list@broadcom.com Cc: linux-mips@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org
2019-08-05KVM: remove kvm_arch_has_vcpu_debugfs()Paolo Bonzini1-10/+0
There is no need for this function as all arches have to implement kvm_arch_create_vcpu_debugfs() no matter what. A #define symbol let us actually simplify the code. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-08-03page flags: prioritize kasan bits over last-cpuidArnd Bergmann1-0/+1
ARM64 randdconfig builds regularly run into a build error, especially when NUMA_BALANCING and SPARSEMEM are enabled but not SPARSEMEM_VMEMMAP: #error "KASAN: not enough bits in page flags for tag" The last-cpuid bits are already contitional on the available space, so the result of the calculation is a bit random on whether they were already left out or not. Adding the kasan tag bits before last-cpuid makes it much more likely to end up with a successful build here, and should be reliable for randconfig at least, as long as that does not randomize NR_CPUS or NODES_SHIFT but uses the defaults. In order for the modified check to not trigger in the x86 vdso32 code where all constants are wrong (building with -m32), enclose all the definitions with an #ifdef. [arnd@arndb.de: build fix] Link: http://lkml.kernel.org/r/CAK8P3a3Mno1SWTcuAOT0Wa9VS15pdU6EfnkxLbDpyS55yO04+g@mail.gmail.com Link: http://lkml.kernel.org/r/20190722115520.3743282-1-arnd@arndb.de Link: https://lore.kernel.org/lkml/20190618095347.3850490-1-arnd@arndb.de/ Fixes: 2813b9c02962 ("kasan, mm, arm64: tag non slab memory allocated via pagealloc") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Andrey Konovalov <andreyknvl@google.com> Reviewed-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Christoph Lameter <cl@linux.com> Cc: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-07-30MIPS: OProfile: Mark expected switch fall-throughsGustavo A. R. Silva1-0/+13
Mark switch cases where we are expecting to fall through. This patch fixes the following warning (Building: mips): arch/mips/oprofile/op_model_mipsxx.c: In function ‘mipsxx_cpu_stop’: arch/mips/oprofile/op_model_mipsxx.c:217:3: warning: this statement may fall through [-Wimplicit-fallthrough=] w_c0_perfctrl3(0); ^~~~~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:218:2: note: here case 3: ^~~~ arch/mips/oprofile/op_model_mipsxx.c:219:3: warning: this statement may fall through [-Wimplicit-fallthrough=] w_c0_perfctrl2(0); ^~~~~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:220:2: note: here case 2: ^~~~ arch/mips/oprofile/op_model_mipsxx.c:221:3: warning: this statement may fall through [-Wimplicit-fallthrough=] w_c0_perfctrl1(0); ^~~~~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:222:2: note: here case 1: ^~~~ arch/mips/oprofile/op_model_mipsxx.c: In function ‘mipsxx_cpu_start’: arch/mips/oprofile/op_model_mipsxx.c:197:3: warning: this statement may fall through [-Wimplicit-fallthrough=] w_c0_perfctrl3(WHAT | reg.control[3]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:198:2: note: here case 3: ^~~~ arch/mips/oprofile/op_model_mipsxx.c:199:3: warning: this statement may fall through [-Wimplicit-fallthrough=] w_c0_perfctrl2(WHAT | reg.control[2]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:200:2: note: here case 2: ^~~~ arch/mips/oprofile/op_model_mipsxx.c:201:3: warning: this statement may fall through [-Wimplicit-fallthrough=] w_c0_perfctrl1(WHAT | reg.control[1]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:202:2: note: here case 1: ^~~~ arch/mips/oprofile/op_model_mipsxx.c: In function ‘reset_counters’: arch/mips/oprofile/op_model_mipsxx.c:299:3: warning: this statement may fall through [-Wimplicit-fallthrough=] w_c0_perfcntr3(0); ^~~~~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:300:2: note: here case 3: ^~~~ arch/mips/oprofile/op_model_mipsxx.c:302:3: warning: this statement may fall through [-Wimplicit-fallthrough=] w_c0_perfcntr2(0); ^~~~~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:303:2: note: here case 2: ^~~~ arch/mips/oprofile/op_model_mipsxx.c:305:3: warning: this statement may fall through [-Wimplicit-fallthrough=] w_c0_perfcntr1(0); ^~~~~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:306:2: note: here case 1: ^~~~ arch/mips/oprofile/op_model_mipsxx.c: In function ‘mipsxx_perfcount_handler’: arch/mips/oprofile/op_model_mipsxx.c:242:6: warning: this statement may fall through [-Wimplicit-fallthrough=] if ((control & MIPS_PERFCTRL_IE) && \ ^ arch/mips/oprofile/op_model_mipsxx.c:248:2: note: in expansion of macro ‘HANDLE_COUNTER’ HANDLE_COUNTER(3) ^~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:239:2: note: here case n + 1: \ ^ arch/mips/oprofile/op_model_mipsxx.c:249:2: note: in expansion of macro ‘HANDLE_COUNTER’ HANDLE_COUNTER(2) ^~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:242:6: warning: this statement may fall through [-Wimplicit-fallthrough=] if ((control & MIPS_PERFCTRL_IE) && \ ^ arch/mips/oprofile/op_model_mipsxx.c:249:2: note: in expansion of macro ‘HANDLE_COUNTER’ HANDLE_COUNTER(2) ^~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:239:2: note: here case n + 1: \ ^ arch/mips/oprofile/op_model_mipsxx.c:250:2: note: in expansion of macro ‘HANDLE_COUNTER’ HANDLE_COUNTER(1) ^~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:242:6: warning: this statement may fall through [-Wimplicit-fallthrough=] if ((control & MIPS_PERFCTRL_IE) && \ ^ arch/mips/oprofile/op_model_mipsxx.c:250:2: note: in expansion of macro ‘HANDLE_COUNTER’ HANDLE_COUNTER(1) ^~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:239:2: note: here case n + 1: \ ^ arch/mips/oprofile/op_model_mipsxx.c:251:2: note: in expansion of macro ‘HANDLE_COUNTER’ HANDLE_COUNTER(0) ^~~~~~~~~~~~~~ CC usr/include/linux/pmu.h.s arch/mips/oprofile/op_model_mipsxx.c: In function ‘mipsxx_cpu_setup’: arch/mips/oprofile/op_model_mipsxx.c:174:3: warning: this statement may fall through [-Wimplicit-fallthrough=] w_c0_perfcntr3(reg.counter[3]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:175:2: note: here case 3: ^~~~ arch/mips/oprofile/op_model_mipsxx.c:177:3: warning: this statement may fall through [-Wimplicit-fallthrough=] w_c0_perfcntr2(reg.counter[2]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:178:2: note: here case 2: ^~~~ arch/mips/oprofile/op_model_mipsxx.c:180:3: warning: this statement may fall through [-Wimplicit-fallthrough=] w_c0_perfcntr1(reg.counter[1]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/oprofile/op_model_mipsxx.c:181:2: note: here case 1: ^~~~ Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: Robert Richter <rric@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: oprofile-list@lists.sf.net Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: Kees Cook <keescook@chromium.org>
2019-07-19MIPS: Annotate fall-through in Cavium Octeon codePaul Burton1-0/+1
There's an intentional switch case fall-through in Cavium Octeon USB code, which triggers compile errors with -Wimplicit-fallthrough due to -Werror being enabled for arch/mips. This can be encountered when building cavium_octeon_defconfig. Fix the build issue by annotating the intentional fall-through. Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: linux-mips@vger.kernel.org
2019-07-19MIPS: Annotate fall-through in kvm/emulate.cPaul Burton1-0/+1
kvm_compute_return_epc contains a switch statement with an intentional fall-through from a case handling jal (jump and link) instructions to one handling j (jump) instructions. With -Wimplicit-fallthrough this triggers a compile error (due to -Werror being enabled for arch/mips). This can be reproduced using malta_kvm_defconfig. Fix this by annotating the intentional fall-through. Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: linux-mips@vger.kernel.org
2019-07-19mips: fix cacheinfoVladimir Kondratiev1-0/+2
Because CONFIG_OF defined for MIPS, cacheinfo attempts to fill information from DT, ignoring data filled by architecture routine. This leads to error reported cacheinfo: Unable to detect cache hierarchy for CPU 0 Way to fix this provided in commit fac51482577d ("drivers: base: cacheinfo: fix x86 with CONFIG_OF enabled") Utilize same mechanism to report that cacheinfo set by architecture specific function Signed-off-by: Vladimir Kondratiev <vladimir.kondratiev@linux.intel.com> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org
2019-07-19MIPS: kernel: only use i8253 clocksource with periodic clockeventThomas Bogendoerfer1-1/+2
i8253 clocksource needs a free running timer. This could only be used, if i8253 clockevent is set up as periodic. Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org
2019-07-17Merge tag 'clk-for-linus' of ↵Linus Torvalds5-37/+0
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk updates from Stephen Boyd: "This round of clk driver and framework updates is heavy on the driver update side. The two main highlights in the core framework are the addition of an bulk clk_get API that handles optional clks and an extra debugfs file that tells the developer about the current parent of a clk. The driver updates are dominated by i.MX in the diffstat, but that is mostly because that SoC has started converting to the clk_hw style of clk registration. The next big update is in the Amlogic meson clk driver that gained some support for audio, cpu, and temperature clks while fixing some PLL issues. Finally, the biggest thing that stands out is the conversion of a large part of the Allwinner sunxi-ng driver to the new clk parent scheme that uses less strings and more pointer comparisons to match clk parents and children up. In general, it looks like we have a lot of little fixes and tweaks here and there to clk data along with the normal addition of a handful of new drivers and a couple new core framework features. Core: - Add a 'clk_parent' file in clk debugfs - Add a clk_bulk_get_optional() API (with devm too) New Drivers: - Support gated clk controller on MIPS based BCM63XX SoCs - Support SiLabs Si5341 and Si5340 chips - Support for CPU clks on Raspberry Pi devices - Audsys clock driver for MediaTek MT8516 SoCs Updates: - Convert a large portion of the Allwinner sunxi-ng driver to new clk parent scheme - Small frequency support for SiLabs Si544 chips - Slow clk support for AT91 SAM9X60 SoCs - Remove dead code in various clk drivers (-Wunused) - Support for Marvell 98DX1135 SoCs - Get duty cycle of generic pwm clks - Improvement in mmc phase calculation and cleanup of some rate defintions - Switch i.MX6 and i.MX7 clock drivers to clk_hw based APIs - Add GPIO, SNVS and GIC clocks for i.MX8 drivers - Mark imx6sx/ul/ull/sll MMDC_P1_IPG and imx8mm DRAM_APB as critical clock - Correct imx7ulp nic1_bus_clk and imx8mm audio_pll2_clk clock setting - Add clks for new Exynos5422 Dynamic Memory Controller driver - Clock definition for Exynos4412 Mali - Add CMM (Color Management Module) clocks on Renesas R-Car H3, M3-N, E3, and D3 - Add TPU (Timer Pulse Unit / PWM) clocks on Renesas RZ/G2M - Support for 32 bit clock IDs in TI's sci-clks for J721e SoCs - TI clock probing done from DT by default instead of firmware - Fix Amlogic Meson mpll fractional part and spread sprectrum issues - Add Amlogic meson8 audio clocks - Add Amlogic g12a temperature sensors clocks - Add Amlogic g12a and g12b cpu clocks - Add TPU (Timer Pulse Unit / PWM) clocks on Renesas R-Car H3, M3-W, and M3-N - Add CMM (Color Management Module) clocks on Renesas R-Car M3-W - Add Clock Domain support on Renesas RZ/N1" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (190 commits) clk: consoldiate the __clk_get_hw() declarations clk: sprd: Add check for return value of sprd_clk_regmap_init() clk: lochnagar: Update DT binding doc to include the primary SPDIF MCLK clk: Add Si5341/Si5340 driver dt-bindings: clock: Add silabs,si5341 clk: clk-si544: Implement small frequency change support clk: add BCM63XX gated clock controller driver devicetree: document the BCM63XX gated clock bindings clk: at91: sckc: use dedicated functions to unregister clock clk: at91: sckc: improve error path for sama5d4 sck registration clk: at91: sckc: remove unnecessary line clk: at91: sckc: improve error path for sam9x5 sck register clk: at91: sckc: add support to free slow clock osclillator clk: at91: sckc: add support to free slow rc oscillator clk: at91: sckc: add support to free slow oscillator clk: rockchip: export HDMIPHY clock on rk3228 clk: rockchip: add watchdog pclk on rk3328 clk: rockchip: add clock id for hdmi_phy special clock on rk3228 clk: rockchip: add clock id for watchdog pclk on rk3328 clk: at91: sckc: add support for SAM9X60 ...
2019-07-17Merge tag 'mips_5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linuxLinus Torvalds47-191/+383
Pull MIPS updates from Paul Burton: "A light batch this time around but significant improvements for certain systems: - Removal of readq & writeq for MIPS32 kernels where they would simply BUG() anyway, allowing drivers or other code that #ifdefs on their presence to work properly. - Improvements for Ingenic JZ4740 systems, including support for the external memory controller & pinmuxing fixes for qi_lb60/NanoNote systems. - Improvements for Lantiq systems, in particular around SMP & IPIs. - DT updates for ralink/MediaTek MT7628a systems to probe & configure a bunch more devices. - Miscellaneous cleanups & build fixes" * tag 'mips_5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (30 commits) MIPS: fix some more fall through errors in arch/mips MIPS: perf events: handle switch statement falling through warnings mips/kprobes: Export kprobe_fault_handler() MAINTAINERS: Add myself as Ingenic SoCs maintainer MIPS: ralink: mt7628a.dtsi: Add watchdog controller DT node MIPS: ralink: mt7628a.dtsi: Add SPI controller DT node MIPS: ralink: mt7628a.dtsi: Add GPIO controller DT node MIPS: ralink: mt7628a.dtsi: Add pinctrl DT properties to the UART nodes MIPS: ralink: mt7628a.dtsi: Add pinmux DT node MIPS: ralink: mt7628a.dtsi: Add SPDX GPL-2.0 license identifier MIPS: lantiq: Add SMP support for lantiq interrupt controller MIPS: lantiq: Shorten register names, remove unused macros MIPS: lantiq: Fix bitfield masking MIPS: lantiq: Remove unused macros MIPS: lantiq: Fix attributes of of_device_id structure MIPS: lantiq: Change variables to the same type as the source MIPS: lantiq: Move macro directly to iomem function mips: Remove q-accessors from non-64bit platforms FDDI: defza: Include linux/io-64-nonatomic-lo-hi.h MIPS: configs: Remove useless UEVENT_HELPER_PATH ...
2019-07-17Merge branch 'akpm' (patches from Andrew)Linus Torvalds4-3/+8
Merge more updates from Andrew Morton: "VM: - z3fold fixes and enhancements by Henry Burns and Vitaly Wool - more accurate reclaimed slab caches calculations by Yafang Shao - fix MAP_UNINITIALIZED UAPI symbol to not depend on config, by Christoph Hellwig - !CONFIG_MMU fixes by Christoph Hellwig - new novmcoredd parameter to omit device dumps from vmcore, by Kairui Song - new test_meminit module for testing heap and pagealloc initialization, by Alexander Potapenko - ioremap improvements for huge mappings, by Anshuman Khandual - generalize kprobe page fault handling, by Anshuman Khandual - device-dax hotplug fixes and improvements, by Pavel Tatashin - enable synchronous DAX fault on powerpc, by Aneesh Kumar K.V - add pte_devmap() support for arm64, by Robin Murphy - unify locked_vm accounting with a helper, by Daniel Jordan - several misc fixes core/lib: - new typeof_member() macro including some users, by Alexey Dobriyan - make BIT() and GENMASK() available in asm, by Masahiro Yamada - changed LIST_POISON2 on x86_64 to 0xdead000000000122 for better code generation, by Alexey Dobriyan - rbtree code size optimizations, by Michel Lespinasse - convert struct pid count to refcount_t, by Joel Fernandes get_maintainer.pl: - add --no-moderated switch to skip moderated ML's, by Joe Perches misc: - ptrace PTRACE_GET_SYSCALL_INFO interface - coda updates - gdb scripts, various" [ Using merge message suggestion from Vlastimil Babka, with some editing - Linus ] * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (100 commits) fs/select.c: use struct_size() in kmalloc() mm: add account_locked_vm utility function arm64: mm: implement pte_devmap support mm: introduce ARCH_HAS_PTE_DEVMAP mm: clean up is_device_*_page() definitions mm/mmap: move common defines to mman-common.h mm: move MAP_SYNC to asm-generic/mman-common.h device-dax: "Hotremove" persistent memory that is used like normal RAM mm/hotplug: make remove_memory() interface usable device-dax: fix memory and resource leak if hotplug fails include/linux/lz4.h: fix spelling and copy-paste errors in documentation ipc/mqueue.c: only perform resource calculation if user valid include/asm-generic/bug.h: fix "cut here" for WARN_ON for __WARN_TAINT architectures scripts/gdb: add helpers to find and list devices scripts/gdb: add lx-genpd-summary command drivers/pps/pps.c: clear offset flags in PPS_SETPARAMS ioctl kernel/pid.c: convert struct pid count to refcount_t drivers/rapidio/devices/rio_mport_cdev.c: NUL terminate some strings select: shift restore_saved_sigmask_unless() into poll_select_copy_remaining() select: change do_poll() to return -ERESTARTNOHAND rather than -EINTR ...
2019-07-17mips: define syscall_get_error()Dmitry V. Levin1-0/+6
syscall_get_error() is required to be implemented on all architectures in addition to already implemented syscall_get_nr(), syscall_get_arguments(), syscall_get_return_value(), and syscall_get_arch() functions in order to extend the generic ptrace API with PTRACE_GET_SYSCALL_INFO request. Link: http://lkml.kernel.org/r/20190510152803.GC28558@altlinux.org Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> Acked-by: Paul Burton <paul.burton@mips.com> Cc: Elvira Khabirova <lineprinter@altlinux.org> Cc: Eugene Syromyatnikov <esyr@redhat.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Greentime Hu <greentime@andestech.com> Cc: Helge Deller <deller@gmx.de> [parisc] Cc: James E.J. Bottomley <jejb@parisc-linux.org> Cc: kbuild test robot <lkp@intel.com> Cc: Kees Cook <keescook@chromium.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Paul Mackerras <paulus@samba.org> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: Shuah Khan <shuah@kernel.org> Cc: Vincent Chen <deanbo422@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-07-17mm, kprobes: generalize and rename notify_page_fault() as kprobe_page_fault()Anshuman Khandual2-1/+2
Architectures which support kprobes have very similar boilerplate around calling kprobe_fault_handler(). Use a helper function in kprobes.h to unify them, based on the x86 code. This changes the behaviour for other architectures when preemption is enabled. Previously, they would have disabled preemption while calling the kprobe handler. However, preemption would be disabled if this fault was due to a kprobe, so we know the fault was not due to a kprobe handler and can simply return failure. This behaviour was introduced in commit a980c0ef9f6d ("x86/kprobes: Refactor kprobes_fault() like kprobe_exceptions_notify()") [anshuman.khandual@arm.com: export kprobe_fault_handler()] Link: http://lkml.kernel.org/r/1561133358-8876-1-git-send-email-anshuman.khandual@arm.com Link: http://lkml.kernel.org/r/1560420444-25737-1-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Christophe Leroy <christophe.leroy@c-s.fr> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Paul Mackerras <paulus@samba.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: "David S. Miller" <davem@davemloft.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: James Hogan <jhogan@kernel.org> Cc: Paul Burton <paul.burton@mips.com> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-07-17arch/*: remove unused isa_page_to_bus()Stephen Kitt1-2/+0
isa_page_to_bus() is deprecated and is no longer used anywhere. Remove it entirely. Link: http://lkml.kernel.org/r/20190613161155.16946-1-steve@sk2.org Signed-off-by: Stephen Kitt <steve@sk2.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-07-16Merge tag 'docs/v5.3-1' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull rst conversion of docs from Mauro Carvalho Chehab: "As agreed with Jon, I'm sending this big series directly to you, c/c him, as this series required a special care, in order to avoid conflicts with other trees" * tag 'docs/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (77 commits) docs: kbuild: fix build with pdf and fix some minor issues docs: block: fix pdf output docs: arm: fix a breakage with pdf output docs: don't use nested tables docs: gpio: add sysfs interface to the admin-guide docs: locking: add it to the main index docs: add some directories to the main documentation index docs: add SPDX tags to new index files docs: add a memory-devices subdir to driver-api docs: phy: place documentation under driver-api docs: serial: move it to the driver-api docs: driver-api: add remaining converted dirs to it docs: driver-api: add xilinx driver API documentation docs: driver-api: add a series of orphaned documents docs: admin-guide: add a series of orphaned documents docs: cgroup-v1: add it to the admin-guide book docs: aoe: add it to the driver-api book docs: add some documentation dirs to the driver-api book docs: driver-model: move it to the driver-api book docs: lp855x-driver.rst: add it to the driver-api book ...
2019-07-16MIPS: fix some more fall through errors in arch/mipsStephen Rothwell4-2/+4
Fix these errors: arch/mips/cavium-octeon/executive/cvmx-pko.c:489:7: error: this statement may fall through [-Werror=implicit-fallthrough=] arch/mips/bcm63xx/dev-flash.c:89:3: error: this statement may fall through [-Werror=implicit-fallthrough=] arch/mips/ath79/setup.c:155:17: error: this statement may fall through [-Werror=implicit-fallthrough=] arch/mips/ar7/setup.c:50:3: error: this statement may fall through [-Werror=implicit-fallthrough=] Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: John Crispin <john@phrozen.org> Cc: Matthias Schiffer <mschiffer@universe-factory.net> Cc: "Petr Štetiar" <ynezz@true.cz> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Burton <paul.burton@mips.com>
2019-07-15docs: arm: convert docs to ReST and rename to *.rstMauro Carvalho Chehab1-1/+1
Converts ARM the text files to ReST, preparing them to be an architecture book. The conversion is actually: - add blank lines and identation in order to identify paragraphs; - fix tables markups; - add some lists markups; - mark literal blocks; - adjust title markups. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Reviewed-by Corentin Labbe <clabbe.montjoie@gmail.com> # For sun4i-ss
2019-07-15MIPS: perf events: handle switch statement falling through warningsStephen Rothwell1-15/+15
Now that we build with -Wimplicit-fallthrough=3, some warnings are produced in the arch/mips perf events code that are promoted to errors: arch/mips/kernel/perf_event_mipsxx.c:792:3: error: this statement may fall through [-Werror=implicit-fallthrough=] arch/mips/kernel/perf_event_mipsxx.c:795:3: error: this statement may fall through [-Werror=implicit-fallthrough=] arch/mips/kernel/perf_event_mipsxx.c:798:3: error: this statement may fall through [-Werror=implicit-fallthrough=] arch/mips/kernel/perf_event_mipsxx.c:1407:6: error: this statement may fall through [-Werror=implicit-fallthrough=] Assume the fall throughs are deliberate amd annotate/eliminate them. Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Gustavo A. R. Silva <gustavo@embeddedor.com> Cc: Kees Cook <keescook@chromium.org> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> [paul.burton@mips.com: - Make n signed to fix the loop condition. - Simplify the initialization of n, which should never have a value greater than 4. - Invert conditions in the loop to decrease indentation.] Signed-off-by: Paul Burton <paul.burton@mips.com>
2019-07-15arch: mark syscall number 435 reserved for clone3Christian Brauner3-0/+3
A while ago Arnd made it possible to give new system calls the same syscall number on all architectures (except alpha). To not break this nice new feature let's mark 435 for clone3 as reserved on all architectures that do not yet implement it. Even if an architecture does not plan to implement it this ensures that new system calls coming after clone3 will have the same number on all architectures. Signed-off-by: Christian Brauner <christian@brauner.io> Cc: linux-arch@vger.kernel.org Cc: linux-alpha@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-ia64@vger.kernel.org Cc: linux-m68k@lists.linux-m68k.org Cc: linux-mips@vger.kernel.org Cc: linux-parisc@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-s390@vger.kernel.org Cc: linux-sh@vger.kernel.org Cc: sparclinux@vger.kernel.org Link: https://lore.kernel.org/r/20190714192205.27190-2-christian@brauner.io Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Christian Brauner <christian@brauner.io>
2019-07-13Merge tag 'asm-generic-5.3' of ↵Linus Torvalds1-5/+0
git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic Pull asm-generic updates from Arnd Bergmann: "The asm-generic changes for 5.3 consist of a cleanup series to remove ptrace.h from Christoph Hellwig, who explains: 'asm-generic/ptrace.h is a little weird in that it doesn't actually implement any functionality, but it provided multiple layers of macros that just implement trivial inline functions. We implement those directly in the few architectures and be off with a much simpler design.' at https://lore.kernel.org/lkml/20190624054728.30966-1-hch@lst.de/" * tag 'asm-generic-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: asm-generic: remove ptrace.h x86: don't use asm-generic/ptrace.h sh: don't use asm-generic/ptrace.h powerpc: don't use asm-generic/ptrace.h arm64: don't use asm-generic/ptrace.h
2019-07-13Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds1-2/+2
Pull KVM updates from Paolo Bonzini: "ARM: - support for chained PMU counters in guests - improved SError handling - handle Neoverse N1 erratum #1349291 - allow side-channel mitigation status to be migrated - standardise most AArch64 system register accesses to msr_s/mrs_s - fix host MPIDR corruption on 32bit - selftests ckleanups x86: - PMU event {white,black}listing - ability for the guest to disable host-side interrupt polling - fixes for enlightened VMCS (Hyper-V pv nested virtualization), - new hypercall to yield to IPI target - support for passing cstate MSRs through to the guest - lots of cleanups and optimizations Generic: - Some txt->rST conversions for the documentation" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (128 commits) Documentation: virtual: Add toctree hooks Documentation: kvm: Convert cpuid.txt to .rst Documentation: virtual: Convert paravirt_ops.txt to .rst KVM: x86: Unconditionally enable irqs in guest context KVM: x86: PMU Event Filter kvm: x86: Fix -Wmissing-prototypes warnings KVM: Properly check if "page" is valid in kvm_vcpu_unmap KVM: arm/arm64: Initialise host's MPIDRs by reading the actual register KVM: LAPIC: Retry tune per-vCPU timer_advance_ns if adaptive tuning goes insane kvm: LAPIC: write down valid APIC registers KVM: arm64: Migrate _elx sysreg accessors to msr_s/mrs_s KVM: doc: Add API documentation on the KVM_REG_ARM_WORKAROUNDS register KVM: arm/arm64: Add save/restore support for firmware workaround state arm64: KVM: Propagate full Spectre v2 workaround state to KVM guests KVM: arm/arm64: Support chained PMU counters KVM: arm/arm64: Remove pmc->bitmask KVM: arm/arm64: Re-create event when setting counter value KVM: arm/arm64: Extract duplicated code to own function KVM: arm/arm64: Rename kvm_pmu_{enable/disable}_counter functions KVM: LAPIC: ARBPRI is a reserved register for x2APIC ...
2019-07-13Merge tag 'dma-mapping-5.3' of git://git.infradead.org/users/hch/dma-mappingLinus Torvalds5-28/+10
Pull dma-mapping updates from Christoph Hellwig: - move the USB special case that bounced DMA through a device bar into the USB code instead of handling it in the common DMA code (Laurentiu Tudor and Fredrik Noring) - don't dip into the global CMA pool for single page allocations (Nicolin Chen) - fix a crash when allocating memory for the atomic pool failed during boot (Florian Fainelli) - move support for MIPS-style uncached segments to the common code and use that for MIPS and nios2 (me) - make support for DMA_ATTR_NON_CONSISTENT and DMA_ATTR_NO_KERNEL_MAPPING generic (me) - convert nds32 to the generic remapping allocator (me) * tag 'dma-mapping-5.3' of git://git.infradead.org/users/hch/dma-mapping: (29 commits) dma-mapping: mark dma_alloc_need_uncached as __always_inline MIPS: only select ARCH_HAS_UNCACHED_SEGMENT for non-coherent platforms usb: host: Fix excessive alignment restriction for local memory allocations lib/genalloc.c: Add algorithm, align and zeroed family of DMA allocators nios2: use the generic uncached segment support in dma-direct nds32: use the generic remapping allocator for coherent DMA allocations arc: use the generic remapping allocator for coherent DMA allocations dma-direct: handle DMA_ATTR_NO_KERNEL_MAPPING in common code dma-direct: handle DMA_ATTR_NON_CONSISTENT in common code dma-mapping: add a dma_alloc_need_uncached helper openrisc: remove the partial DMA_ATTR_NON_CONSISTENT support arc: remove the partial DMA_ATTR_NON_CONSISTENT support arm-nommu: remove the partial DMA_ATTR_NON_CONSISTENT support ARM: dma-mapping: allow larger DMA mask than supported dma-mapping: truncate dma masks to what dma_addr_t can hold iommu/dma: Apply dma_{alloc,free}_contiguous functions dma-remap: Avoid de-referencing NULL atomic_pool MIPS: use the generic uncached segment support in dma-direct dma-direct: provide generic support for uncached kernel segments au1100fb: fix DMA API abuse ...
2019-07-12mips: switch to generic version of pte allocationMike Rapoport1-31/+2
MIPS allocates kernel PTE pages with __get_free_pages(GFP_KERNEL | __GFP_ZERO, PTE_ORDER) and user PTE pages with pte = alloc_pages(GFP_KERNEL, PTE_ORDER) and then uses clear_highpage(pte) to zero out the allocated page for the user page tables. The PTE_ORDER is hardwired to zero, which makes MIPS implementation almost identical to the generic one. Switch MIPS to the generic version that does exactly the same thing for the kernel page tables and adds __GFP_ACCOUNT for the user PTEs. The pte_free_kernel() and pte_free() versions on mips are identical to the generic ones and can be simply dropped. Link: http://lkml.kernel.org/r/1557296232-15361-9-git-send-email-rppt@linux.ibm.com Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Paul Burton <paul.burton@mips.com> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Guo Ren <ren_guo@c-sky.com> Cc: Helge Deller <deller@gmx.de> Cc: Ley Foon Tan <lftan@altera.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Hocko <mhocko@suse.com> Cc: Palmer Dabbelt <palmer@sifive.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: Richard Weinberger <richard@nod.at> Cc: Russell King <linux@armlinux.org.uk> Cc: Sam Creasey <sammy@sammy.net> Cc: Vincent Chen <deanbo422@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-07-12mm: rename CONFIG_HAVE_GENERIC_GUP to CONFIG_HAVE_FAST_GUPChristoph Hellwig1-1/+1
We only support the generic GUP now, so rename the config option to be more clear, and always use the mm/Kconfig definition of the symbol and select it from the arch Kconfigs. Link: http://lkml.kernel.org/r/20190625143715.1689-11-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Khalid Aziz <khalid.aziz@oracle.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David Miller <davem@davemloft.net> Cc: James Hogan <jhogan@kernel.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Paul Burton <paul.burton@mips.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Rich Felker <dalias@libc.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-07-12MIPS: use the generic get_user_pages_fast codeChristoph Hellwig4-304/+5
The mips code is mostly equivalent to the generic one, minus various bugfixes and an arch override for gup_fast_permitted. Note that this defines ARCH_HAS_PTE_SPECIAL for mips as mips has pte_special and pte_mkspecial implemented and used in the existing gup code. They are no-op stubs, though which makes me a little unsure if this is really right thing to do. Note that this also adds back a missing cpu_has_dc_aliases check for __get_user_pages_fast, which the old code was only doing for get_user_pages_fast. This clearly looks like an oversight, as any condition that makes get_user_pages_fast unsafe also applies to __get_user_pages_fast. [hch@lst.de: MIPS: don't select ARCH_HAS_PTE_SPECIAL] Link: http://lkml.kernel.org/r/20190701151818.32227-3-hch@lst.de Link: http://lkml.kernel.org/r/20190625143715.1689-5-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Tested-by: Guenter Roeck <linux@roeck-us.net> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David Miller <davem@davemloft.net> Cc: James Hogan <jhogan@kernel.org> Cc: Khalid Aziz <khalid.aziz@oracle.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Paul Burton <paul.burton@mips.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Rich Felker <dalias@libc.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-07-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds14-12/+39
Pull networking updates from David Miller: "Some highlights from this development cycle: 1) Big refactoring of ipv6 route and neigh handling to support nexthop objects configurable as units from userspace. From David Ahern. 2) Convert explored_states in BPF verifier into a hash table, significantly decreased state held for programs with bpf2bpf calls, from Alexei Starovoitov. 3) Implement bpf_send_signal() helper, from Yonghong Song. 4) Various classifier enhancements to mvpp2 driver, from Maxime Chevallier. 5) Add aRFS support to hns3 driver, from Jian Shen. 6) Fix use after free in inet frags by allocating fqdirs dynamically and reworking how rhashtable dismantle occurs, from Eric Dumazet. 7) Add act_ctinfo packet classifier action, from Kevin Darbyshire-Bryant. 8) Add TFO key backup infrastructure, from Jason Baron. 9) Remove several old and unused ISDN drivers, from Arnd Bergmann. 10) Add devlink notifications for flash update status to mlxsw driver, from Jiri Pirko. 11) Lots of kTLS offload infrastructure fixes, from Jakub Kicinski. 12) Add support for mv88e6250 DSA chips, from Rasmus Villemoes. 13) Various enhancements to ipv6 flow label handling, from Eric Dumazet and Willem de Bruijn. 14) Support TLS offload in nfp driver, from Jakub Kicinski, Dirk van der Merwe, and others. 15) Various improvements to axienet driver including converting it to phylink, from Robert Hancock. 16) Add PTP support to sja1105 DSA driver, from Vladimir Oltean. 17) Add mqprio qdisc offload support to dpaa2-eth, from Ioana Radulescu. 18) Add devlink health reporting to mlx5, from Moshe Shemesh. 19) Convert stmmac over to phylink, from Jose Abreu. 20) Add PTP PHC (Physical Hardware Clock) support to mlxsw, from Shalom Toledo. 21) Add nftables SYNPROXY support, from Fernando Fernandez Mancera. 22) Convert tcp_fastopen over to use SipHash, from Ard Biesheuvel. 23) Track spill/fill of constants in BPF verifier, from Alexei Starovoitov. 24) Support bounded loops in BPF, from Alexei Starovoitov. 25) Various page_pool API fixes and improvements, from Jesper Dangaard Brouer. 26) Just like ipv4, support ref-countless ipv6 route handling. From Wei Wang. 27) Support VLAN offloading in aquantia driver, from Igor Russkikh. 28) Add AF_XDP zero-copy support to mlx5, from Maxim Mikityanskiy. 29) Add flower GRE encap/decap support to nfp driver, from Pieter Jansen van Vuuren. 30) Protect against stack overflow when using act_mirred, from John Hurley. 31) Allow devmap map lookups from eBPF, from Toke Høiland-Jørgensen. 32) Use page_pool API in netsec driver, Ilias Apalodimas. 33) Add Google gve network driver, from Catherine Sullivan. 34) More indirect call avoidance, from Paolo Abeni. 35) Add kTLS TX HW offload support to mlx5, from Tariq Toukan. 36) Add XDP_REDIRECT support to bnxt_en, from Andy Gospodarek. 37) Add MPLS manipulation actions to TC, from John Hurley. 38) Add sending a packet to connection tracking from TC actions, and then allow flower classifier matching on conntrack state. From Paul Blakey. 39) Netfilter hw offload support, from Pablo Neira Ayuso" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2080 commits) net/mlx5e: Return in default case statement in tx_post_resync_params mlx5: Return -EINVAL when WARN_ON_ONCE triggers in mlx5e_tls_resync(). net: dsa: add support for BRIDGE_MROUTER attribute pkt_sched: Include const.h net: netsec: remove static declaration for netsec_set_tx_de() net: netsec: remove superfluous if statement netfilter: nf_tables: add hardware offload support net: flow_offload: rename tc_cls_flower_offload to flow_cls_offload net: flow_offload: add flow_block_cb_is_busy() and use it net: sched: remove tcf block API drivers: net: use flow block API net: sched: use flow block API net: flow_offload: add flow_block_cb_{priv, incref, decref}() net: flow_offload: add list handling functions net: flow_offload: add flow_block_cb_alloc() and flow_block_cb_free() net: flow_offload: rename TCF_BLOCK_BINDER_TYPE_* to FLOW_BLOCK_BINDER_TYPE_* net: flow_offload: rename TC_BLOCK_{UN}BIND to FLOW_BLOCK_{UN}BIND net: flow_offload: add flow_block_cb_setup_simple() net: hisilicon: Add an tx_desc to adapt HI13X1_GMAC net: hisilicon: Add an rx_desc to adapt HI13X1_GMAC ...
2019-07-11Merge tag 'kvm-arm-for-5.3' of ↵Paolo Bonzini491-3751/+494
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/arm updates for 5.3 - Add support for chained PMU counters in guests - Improve SError handling - Handle Neoverse N1 erratum #1349291 - Allow side-channel mitigation status to be migrated - Standardise most AArch64 system register accesses to msr_s/mrs_s - Fix host MPIDR corruption on 32bit
2019-07-11Merge tag 'pidfd-updates-v5.3' of ↵Linus Torvalds3-0/+3
git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux Pull pidfd updates from Christian Brauner: "This adds two main features. - First, it adds polling support for pidfds. This allows process managers to know when a (non-parent) process dies in a race-free way. The notification mechanism used follows the same logic that is currently used when the parent of a task is notified of a child's death. With this patchset it is possible to put pidfds in an {e}poll loop and get reliable notifications for process (i.e. thread-group) exit. - The second feature compliments the first one by making it possible to retrieve pollable pidfds for processes that were not created using CLONE_PIDFD. A lot of processes get created with traditional PID-based calls such as fork() or clone() (without CLONE_PIDFD). For these processes a caller can currently not create a pollable pidfd. This is a problem for Android's low memory killer (LMK) and service managers such as systemd. Both patchsets are accompanied by selftests. It's perhaps worth noting that the work done so far and the work done in this branch for pidfd_open() and polling support do already see some adoption: - Android is in the process of backporting this work to all their LTS kernels [1] - Service managers make use of pidfd_send_signal but will need to wait until we enable waiting on pidfds for full adoption. - And projects I maintain make use of both pidfd_send_signal and CLONE_PIDFD [2] and will use polling support and pidfd_open() too" [1] https://android-review.googlesource.com/q/topic:%22pidfd+polling+support+4.9+backport%22 https://android-review.googlesource.com/q/topic:%22pidfd+polling+support+4.14+backport%22 https://android-review.googlesource.com/q/topic:%22pidfd+polling+support+4.19+backport%22 [2] https://github.com/lxc/lxc/blob/aab6e3eb73c343231cdde775db938994fc6f2803/src/lxc/start.c#L1753 * tag 'pidfd-updates-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux: tests: add pidfd_open() tests arch: wire-up pidfd_open() pid: add pidfd_open() pidfd: add polling selftests pidfd: add polling support
2019-07-09Merge branch 'siginfo-linus' of ↵Linus Torvalds12-61/+61
git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace Pull force_sig() argument change from Eric Biederman: "A source of error over the years has been that force_sig has taken a task parameter when it is only safe to use force_sig with the current task. The force_sig function is built for delivering synchronous signals such as SIGSEGV where the userspace application caused a synchronous fault (such as a page fault) and the kernel responded with a signal. Because the name force_sig does not make this clear, and because the force_sig takes a task parameter the function force_sig has been abused for sending other kinds of signals over the years. Slowly those have been fixed when the oopses have been tracked down. This set of changes fixes the remaining abusers of force_sig and carefully rips out the task parameter from force_sig and friends making this kind of error almost impossible in the future" * 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: (27 commits) signal/x86: Move tsk inside of CONFIG_MEMORY_FAILURE in do_sigbus signal: Remove the signal number and task parameters from force_sig_info signal: Factor force_sig_info_to_task out of force_sig_info signal: Generate the siginfo in force_sig signal: Move the computation of force into send_signal and correct it. signal: Properly set TRACE_SIGNAL_LOSE_INFO in __send_signal signal: Remove the task parameter from force_sig_fault signal: Use force_sig_fault_to_task for the two calls that don't deliver to current signal: Explicitly call force_sig_fault on current signal/unicore32: Remove tsk parameter from __do_user_fault signal/arm: Remove tsk parameter from __do_user_fault signal/arm: Remove tsk parameter from ptrace_break signal/nds32: Remove tsk parameter from send_sigtrap signal/riscv: Remove tsk parameter from do_trap signal/sh: Remove tsk parameter from force_sig_info_fault signal/um: Remove task parameter from send_sigtrap signal/x86: Remove task parameter from send_sigtrap signal: Remove task parameter from force_sig_mceerr signal: Remove task parameter from force_sig signal: Remove task parameter from force_sigsegv ...
2019-07-09Merge branch 'sched-core-for-linus' of ↵Linus Torvalds3-6/+6
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler updates from Ingo Molnar: - Remove the unused per rq load array and all its infrastructure, by Dietmar Eggemann. - Add utilization clamping support by Patrick Bellasi. This is a refinement of the energy aware scheduling framework with support for boosting of interactive and capping of background workloads: to make sure critical GUI threads get maximum frequency ASAP, and to make sure background processing doesn't unnecessarily move to cpufreq governor to higher frequencies and less energy efficient CPU modes. - Add the bare minimum of tracepoints required for LISA EAS regression testing, by Qais Yousef - which allows automated testing of various power management features, including energy aware scheduling. - Restructure the former tsk_nr_cpus_allowed() facility that the -rt kernel used to modify the scheduler's CPU affinity logic such as migrate_disable() - introduce the task->cpus_ptr value instead of taking the address of &task->cpus_allowed directly - by Sebastian Andrzej Siewior. - Misc optimizations, fixes, cleanups and small enhancements - see the Git log for details. * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits) sched/uclamp: Add uclamp support to energy_compute() sched/uclamp: Add uclamp_util_with() sched/cpufreq, sched/uclamp: Add clamps for FAIR and RT tasks sched/uclamp: Set default clamps for RT tasks sched/uclamp: Reset uclamp values on RESET_ON_FORK sched/uclamp: Extend sched_setattr() to support utilization clamping sched/core: Allow sched_setattr() to use the current policy sched/uclamp: Add system default clamps sched/uclamp: Enforce last task's UCLAMP_MAX sched/uclamp: Add bucket local max tracking sched/uclamp: Add CPU's clamp buckets refcounting sched/fair: Rename weighted_cpuload() to cpu_runnable_load() sched/debug: Export the newly added tracepoints sched/debug: Add sched_overutilized tracepoint sched/debug: Add new tracepoint to track PELT at se level sched/debug: Add new tracepoints to track PELT at rq level sched/debug: Add a new sched_trace_*() helper functions sched/autogroup: Make autogroup_path() always available sched/wait: Deduplicate code with do-while sched/topology: Remove unused 'sd' parameter from arch_scale_cpu_capacity() ...
2019-07-09Merge branch 'locking-core-for-linus' of ↵Linus Torvalds1-11/+11
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking updates from Ingo Molnar: "The main changes in this cycle are: - rwsem scalability improvements, phase #2, by Waiman Long, which are rather impressive: "On a 2-socket 40-core 80-thread Skylake system with 40 reader and writer locking threads, the min/mean/max locking operations done in a 5-second testing window before the patchset were: 40 readers, Iterations Min/Mean/Max = 1,807/1,808/1,810 40 writers, Iterations Min/Mean/Max = 1,807/50,344/151,255 After the patchset, they became: 40 readers, Iterations Min/Mean/Max = 30,057/31,359/32,741 40 writers, Iterations Min/Mean/Max = 94,466/95,845/97,098" There's a lot of changes to the locking implementation that makes it similar to qrwlock, including owner handoff for more fair locking. Another microbenchmark shows how across the spectrum the improvements are: "With a locking microbenchmark running on 5.1 based kernel, the total locking rates (in kops/s) on a 2-socket Skylake system with equal numbers of readers and writers (mixed) before and after this patchset were: # of Threads Before Patch After Patch ------------ ------------ ----------- 2 2,618 4,193 4 1,202 3,726 8 802 3,622 16 729 3,359 32 319 2,826 64 102 2,744" The changes are extensive and the patch-set has been through several iterations addressing various locking workloads. There might be more regressions, but unless they are pathological I believe we want to use this new implementation as the baseline going forward. - jump-label optimizations by Daniel Bristot de Oliveira: the primary motivation was to remove IPI disturbance of isolated RT-workload CPUs, which resulted in the implementation of batched jump-label updates. Beyond the improvement of the real-time characteristics kernel, in one test this patchset improved static key update overhead from 57 msecs to just 1.4 msecs - which is a nice speedup as well. - atomic64_t cross-arch type cleanups by Mark Rutland: over the last ~10 years of atomic64_t existence the various types used by the APIs only had to be self-consistent within each architecture - which means they became wildly inconsistent across architectures. Mark puts and end to this by reworking all the atomic64 implementations to use 's64' as the base type for atomic64_t, and to ensure that this type is consistently used for parameters and return values in the API, avoiding further problems in this area. - A large set of small improvements to lockdep by Yuyang Du: type cleanups, output cleanups, function return type and othr cleanups all around the place. - A set of percpu ops cleanups and fixes by Peter Zijlstra. - Misc other changes - please see the Git log for more details" * 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (82 commits) locking/lockdep: increase size of counters for lockdep statistics locking/atomics: Use sed(1) instead of non-standard head(1) option locking/lockdep: Move mark_lock() inside CONFIG_TRACE_IRQFLAGS && CONFIG_PROVE_LOCKING x86/jump_label: Make tp_vec_nr static x86/percpu: Optimize raw_cpu_xchg() x86/percpu, sched/fair: Avoid local_clock() x86/percpu, x86/irq: Relax {set,get}_irq_regs() x86/percpu: Relax smp_processor_id() x86/percpu: Differentiate this_cpu_{}() and __this_cpu_{}() locking/rwsem: Guard against making count negative locking/rwsem: Adaptive disabling of reader optimistic spinning locking/rwsem: Enable time-based spinning on reader-owned rwsem locking/rwsem: Make rwsem->owner an atomic_long_t locking/rwsem: Enable readers spinning on writer locking/rwsem: Clarify usage of owner's nonspinaable bit locking/rwsem: Wake up almost all readers in wait queue locking/rwsem: More optimal RT task handling of null owner locking/rwsem: Always release wait_lock before waking up tasks locking/rwsem: Implement lock handoff to prevent lock starvation locking/rwsem: Make rwsem_spin_on_owner() return owner state ...
2019-07-06Merge tag 'mips_fixes_5.2_2' of ↵Linus Torvalds6-14/+28
git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux Pull MIPS fixes from Paul Burton: "A few more MIPS fixes: - Fix a silly typo in virt_addr_valid which led to completely bogus behavior (that happened to stop tripping up hardened usercopy despite being broken). - Fix UART parity setup on AR933x systems. - A build fix for non-Linux build machines. - Have the 'all' make target build DTBs, primarily to fit in with the behavior of scripts/package/builddeb. - Handle an execution hazard in TLB exceptions that use KScratch registers, which could inadvertently clobber the $1 register on some generally higher-end out-of-order CPUs. - A MAINTAINERS update to fix the path to the NAND driver for Ingenic systems" * tag 'mips_fixes_5.2_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: MAINTAINERS: Correct path to moved files MIPS: Add missing EHB in mtc0 -> mfc0 sequence. MIPS: have "plain" make calls build dtbs for selected platforms MIPS: fix build on non-linux hosts MIPS: ath79: fix ar933x uart parity mode MIPS: Fix bounds check virt_addr_valid
2019-07-04MIPS: only select ARCH_HAS_UNCACHED_SEGMENT for non-coherent platformsChristoph Hellwig1-1/+1
While mips might architecturally have the uncached segment all the time, the infrastructure to use it is only need on platforms where DMA is at least partially incoherent. Only select it for those configuration to fix a build failure as the arch_dma_prep_coherent symbol is also only provided for non-coherent platforms. Fixes: 2e96e04d25ca ("MIPS: use the generic uncached segment support in dma-direct") Reported-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Paul Burton <paul.burton@mips.com> Tested-by: Guenter Roeck <linux@roeck-us.net>
2019-07-03mips/kprobes: Export kprobe_fault_handler()Anshuman Khandual2-1/+2
Generic kprobe_page_fault() calls into kprobe_fault_handler() which must be available with and without CONFIG_KPROBES. There is one stub implementation for !CONFIG_KPROBES. For CONFIG_KPROBES all subscribing archs must provide a kprobe_fault_handler() definition. Currently mips has an implementation which is defined as 'static inline'. Make it available for generic kprobes to comply with the above new requirement. Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Burton <paul.burton@mips.com> Cc: James Hogan <jhogan@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mips@vger.kernel.org Cc: linux-mm@kvack.org Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Signed-off-by: Paul Burton <paul.burton@mips.com> Fixes: 773734b44557 ("mm, kprobes: generalize and rename notify_page_fault() as kprobe_page_fault()") Cc: linux-kernel@vger.kernel.org
2019-07-01asm-generic: remove ptrace.hChristoph Hellwig1-5/+0
No one is using this header anymore. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Paul Burton <paul.burton@mips.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2019-06-29Merge branch 'irq-urgent-for-linus' of ↵Linus Torvalds1-0/+30
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Ingo Molnar: "Diverse irqchip driver fixes" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/gic-v3-its: Fix command queue pointer comparison bug irqchip/mips-gic: Use the correct local interrupt map registers irqchip/ti-sci-inta: Fix kernel crash if irq_create_fwspec_mapping fail irqchip/irq-csky-mpintc: Support auto irq deliver to all cpus
2019-06-28arch: wire-up pidfd_open()Christian Brauner3-0/+3
This wires up the pidfd_open() syscall into all arches at once. Signed-off-by: Christian Brauner <christian@brauner.io> Reviewed-by: David Howells <dhowells@redhat.com> Reviewed-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Kees Cook <keescook@chromium.org> Cc: Joel Fernandes (Google) <joel@joelfernandes.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jann Horn <jannh@google.com> Cc: Andy Lutomirsky <luto@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Aleksa Sarai <cyphar@cyphar.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: linux-api@vger.kernel.org Cc: linux-alpha@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-ia64@vger.kernel.org Cc: linux-m68k@lists.linux-m68k.org Cc: linux-mips@vger.kernel.org Cc: linux-parisc@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-s390@vger.kernel.org Cc: linux-sh@vger.kernel.org Cc: sparclinux@vger.kernel.org Cc: linux-xtensa@linux-xtensa.org Cc: linux-arch@vger.kernel.org Cc: x86@kernel.org
2019-06-26MIPS: Remove dead codePaul Cercueil4-38/+0
Remove the unused <asm/mach-jz4740/clock.h> include. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Acked-by: Paul Burton <paul.burton@mips.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2019-06-26MIPS: jz4740: PM: Let CGU driver suspend clocks and set sleep modePaul Cercueil1-8/+0
Instead of forcing the jz4740 clocks to suspend here, we let the CGU driver handle it. We also let the CGU driver set the "sleep mode" bit. This has the added benefit that now it is possible to build a kernel on SoCs newer than the JZ4740 with CONFIG_PM. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2019-06-25MIPS: ralink: mt7628a.dtsi: Add watchdog controller DT nodeStefan Roese1-0/+13
This patch adds the watchdog controller description to the MT7628A dtsi file. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Paul Burton <paul.burton@mips.com> Cc: Harvey Hunt <harveyhuntnexus@gmail.com> Cc: John Crispin <john@phrozen.org> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: linux-mips@vger.kernel.org
2019-06-25MIPS: ralink: mt7628a.dtsi: Add SPI controller DT nodeStefan Roese1-0/+16
This patch adds the SPI controller description to the MT7628A dtsi file. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Paul Burton <paul.burton@mips.com> Cc: Harvey Hunt <harveyhuntnexus@gmail.com> Cc: John Crispin <john@phrozen.org> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: linux-mips@vger.kernel.org
2019-06-25MIPS: ralink: mt7628a.dtsi: Add GPIO controller DT nodeStefan Roese1-0/+13
This patch adds the GPIO controller description to the MT7628A dtsi file. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Paul Burton <paul.burton@mips.com> Cc: Harvey Hunt <harveyhuntnexus@gmail.com> Cc: John Crispin <john@phrozen.org> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: linux-mips@vger.kernel.org
2019-06-25MIPS: ralink: mt7628a.dtsi: Add pinctrl DT properties to the UART nodesStefan Roese1-0/+9
Now that pinmux is available, let's use it for the UART DT nodes. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Paul Burton <paul.burton@mips.com> Cc: Harvey Hunt <harveyhuntnexus@gmail.com> Cc: John Crispin <john@phrozen.org> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: linux-mips@vger.kernel.org
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-31 22:31:35 +0300