- 17 12月, 2016 1 次提交
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由 Mark Rutland 提交于
Currently bd_addr lives in mm_struct, which is otherwise architecture independent. Architecture-specific data is supposed to live within mm_context_t (itself contained in mm_struct). Other x86-specific context like the pkey accounting data lives in mm_context_t, and there's no readon the MPX data can't also live there. So as to keep the arch-specific data togather, and to set a good example for others, this patch moves bd_addr into x86's mm_context_t. Signed-off-by: NMark Rutland <mark.rutland@arm.com> Acked-by: NDave Hansen <dave.hansen@linux.intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/1481892055-24596-1-git-send-email-mark.rutland@arm.comSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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- 15 12月, 2016 4 次提交
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由 Kirill A. Shutemov 提交于
Since commit af2cf278 ("x86/mm/hotplug: Don't remove PGD entries in remove_pagetable()") there are no callers of sync_global_pgds() which set the 'removed' argument to 1. Remove the argument and the related conditionals in the function. Signed-off-by: NKirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andy Lutomirski <luto@kernel.org> Link: http://lkml.kernel.org/r/20161214234403.137556-1-kirill.shutemov@linux.intel.comSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Boris Ostrovsky 提交于
acpi_map_pxm_to_node() unconditially maps nodes even when NUMA is turned off. So acpi_get_node() might return a node > 0, which is fatal when NUMA is disabled as the rest of the kernel assumes that only node 0 exists. Expose numa_off to the acpi code and return NUMA_NO_NODE when it's set. Signed-off-by: NBoris Ostrovsky <boris.ostrovsky@oracle.com> Cc: fenghua.yu@intel.com Cc: tony.luck@intel.com Cc: linux-ia64@vger.kernel.org Cc: catalin.marinas@arm.com Cc: rjw@rjwysocki.net Cc: will.deacon@arm.com Cc: linux-acpi@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: lenb@kernel.org Link: http://lkml.kernel.org/r/1481602709-18260-1-git-send-email-boris.ostrovsky@oracle.comSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Boris Ostrovsky 提交于
Use NUMA_NO_NODE instead of -1. Signed-off-by: NBoris Ostrovsky <boris.ostrovsky@oracle.com> Cc: len.brown@intel.com Cc: rjw@rjwysocki.net Cc: linux-acpi@vger.kernel.org Cc: pavel@ucw.cz Link: http://lkml.kernel.org/r/1481570993-13941-1-git-send-email-boris.ostrovsky@oracle.comSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Thomas Gleixner 提交于
prefill_possible_map() reinitializes the cpu_possible_map by setting the possible cpu bits and clearing all other bits up to NR_CPUS. This is technically always correct because cpu_possible_map is statically allocated and sized NR_CPUS. With CPUMASK_OFFSTACK and DEBUG_PER_CPU_MAPS enabled the bounds check of cpu masks happens on nr_cpu_ids. nr_cpu_ids is initialized to NR_CPUS and only limited after the set/clear bit loops have been executed. But if the system was booted with "nr_cpus=N" on the command line, where N is < NR_CPUS then nr_cpu_ids is limited in the parameter parsing function before prefill_possible_map() is invoked. As a consequence the cpumask bounds check triggers when clearing the bits past nr_cpu_ids. Add a helper which allows to reset cpu_possible_map w/o the bounds check and then set only the possible bits which are well inside bounds. Reported-by: NDmitry Safonov <dsafonov@virtuozzo.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: 0x7f454c46@gmail.com Cc: Jan Beulich <JBeulich@novell.com> Link: http://lkml.kernel.org/r/alpine.DEB.2.20.1612131836050.3415@nanosSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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- 14 12月, 2016 2 次提交
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由 Josh Poimboeuf 提交于
start_cpu() pushes a text address on the stack so that stack traces from idle tasks will show start_cpu() at the end. But it currently shows the wrong function offset. It's more correct to show the address immediately after the 'lretq' instruction. Signed-off-by: NJosh Poimboeuf <jpoimboe@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/2cadd9f16c77da7ee7957bfc5e1c67928c23ca48.1481685203.git.jpoimboe@redhat.comSigned-off-by: NIngo Molnar <mingo@kernel.org>
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由 Josh Poimboeuf 提交于
start_cpu() pushes a text address on the stack so that stack traces from idle tasks will show start_cpu() at the end. But it uses a call instruction to do that, which is rather obtuse. Use a straightforward push instead. Suggested-by: NBorislav Petkov <bp@alien8.de> Signed-off-by: NJosh Poimboeuf <jpoimboe@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/4d8a1952759721d42d1e62ba9e4a7e3ac5df8574.1481685203.git.jpoimboe@redhat.comSigned-off-by: NIngo Molnar <mingo@kernel.org>
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- 13 12月, 2016 30 次提交
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由 Thomas Gleixner 提交于
The logical package management has several issues: - The APIC ids provided by ACPI are not required to be the same as the initial APIC id which can be retrieved by CPUID. The APIC ids provided by ACPI are those which are written by the BIOS into the APIC. The initial id is set by hardware and can not be changed. The hardware provided ids contain the real hardware package information. Especially AMD sets the effective APIC id different from the hardware id as they need to reserve space for the IOAPIC ids starting at id 0. As a consequence those machines trigger the currently active firmware bug printouts in dmesg, These are obviously wrong. - Virtual machines have their own interesting of enumerating APICs and packages which are not reliably covered by the current implementation. The sizing of the mapping array has been tweaked to be generously large to handle systems which provide a wrong core count when HT is disabled so the whole magic which checks for space in the physical hotplug case is not needed anymore. Simplify the whole machinery and do the mapping when the CPU starts and the CPUID derived physical package information is available. This solves the observed problems on AMD machines and works for the virtualization issues as well. Remove the extra call from XEN cpu bringup code as it is not longer required. Fixes: d49597fd ("x86/cpu: Deal with broken firmware (VMWare/XEN)") Reported-and-tested-by: NBorislav Petkov <bp@suse.de> Tested-by: NBoris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Juergen Gross <jgross@suse.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: M. Vefa Bicakci <m.v.b@runbox.com> Cc: xen-devel <xen-devel@lists.xen.org> Cc: Charles (Chas) Williams <ciwillia@brocade.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Alok Kataria <akataria@vmware.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/alpine.DEB.2.20.1612121102260.3429@nanosSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull irq updates from Thomas Gleixner: "The irq department provides: - a major update to the auto affinity management code, which is used by multi-queue devices - move of the microblaze irq chip driver into the common driver code so it can be shared between microblaze, powerpc and MIPS - a series of updates to the ARM GICV3 interrupt controller - the usual pile of fixes and small improvements all over the place" * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits) powerpc/virtex: Use generic xilinx irqchip driver irqchip/xilinx: Try to fall back if xlnx,kind-of-intr not provided irqchip/xilinx: Add support for parent intc irqchip/xilinx: Rename get_irq to xintc_get_irq irqchip/xilinx: Restructure and use jump label api irqchip/xilinx: Clean up print messages microblaze/irqchip: Move intc driver to irqchip ARM: virt: Select ARM_GIC_V3_ITS ARM: gic-v3-its: Add 32bit support to GICv3 ITS irqchip/gic-v3-its: Specialise readq and writeq accesses irqchip/gic-v3-its: Specialise flush_dcache operation irqchip/gic-v3-its: Narrow down Entry Size when used as a divider irqchip/gic-v3-its: Change unsigned types for AArch32 compatibility irqchip/gic-v3: Use nops macro for Cavium ThunderX erratum 23154 irqchip/gic-v3: Convert arm64 GIC accessors to {read,write}_sysreg_s genirq/msi: Drop artificial PCI dependency irqchip/bcm7038-l1: Implement irq_cpu_offline() callback genirq/affinity: Use default affinity mask for reserved vectors genirq/affinity: Take reserved vectors into account when spreading irqs PCI: Remove the irq_affinity mask from struct pci_dev ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull timer updates from Thomas Gleixner: "The time/timekeeping/timer folks deliver with this update: - Fix a reintroduced signed/unsigned issue and cleanup the whole signed/unsigned mess in the timekeeping core so this wont happen accidentaly again. - Add a new trace clock based on boot time - Prevent injection of random sleep times when PM tracing abuses the RTC for storage - Make posix timers configurable for real tiny systems - Add tracepoints for the alarm timer subsystem so timer based suspend wakeups can be instrumented - The usual pile of fixes and updates to core and drivers" * 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits) timekeeping: Use mul_u64_u32_shr() instead of open coding it timekeeping: Get rid of pointless typecasts timekeeping: Make the conversion call chain consistently unsigned timekeeping_Force_unsigned_clocksource_to_nanoseconds_conversion alarmtimer: Add tracepoints for alarm timers trace: Update documentation for mono, mono_raw and boot clock trace: Add an option for boot clock as trace clock timekeeping: Add a fast and NMI safe boot clock timekeeping/clocksource_cyc2ns: Document intended range limitation timekeeping: Ignore the bogus sleep time if pm_trace is enabled selftests/timers: Fix spelling mistake "Asyncrhonous" -> "Asynchronous" clocksource/drivers/bcm2835_timer: Unmap region obtained by of_iomap clocksource/drivers/arm_arch_timer: Map frame with of_io_request_and_map() arm64: dts: rockchip: Arch counter doesn't tick in system suspend clocksource/drivers/arm_arch_timer: Don't assume clock runs in suspend posix-timers: Make them configurable posix_cpu_timers: Move the add_device_randomness() call to a proper place timer: Move sys_alarm from timer.c to itimer.c ptp_clock: Allow for it to be optional Kconfig: Regenerate *.c_shipped files after previous changes ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull smp hotplug updates from Thomas Gleixner: "This is the final round of converting the notifier mess to the state machine. The removal of the notifiers and the related infrastructure will happen around rc1, as there are conversions outstanding in other trees. The whole exercise removed about 2000 lines of code in total and in course of the conversion several dozen bugs got fixed. The new mechanism allows to test almost every hotplug step standalone, so usage sites can exercise all transitions extensively. There is more room for improvement, like integrating all the pointlessly different architecture mechanisms of synchronizing, setting cpus online etc into the core code" * 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (60 commits) tracing/rb: Init the CPU mask on allocation soc/fsl/qbman: Convert to hotplug state machine soc/fsl/qbman: Convert to hotplug state machine zram: Convert to hotplug state machine KVM/PPC/Book3S HV: Convert to hotplug state machine arm64/cpuinfo: Convert to hotplug state machine arm64/cpuinfo: Make hotplug notifier symmetric mm/compaction: Convert to hotplug state machine iommu/vt-d: Convert to hotplug state machine mm/zswap: Convert pool to hotplug state machine mm/zswap: Convert dst-mem to hotplug state machine mm/zsmalloc: Convert to hotplug state machine mm/vmstat: Convert to hotplug state machine mm/vmstat: Avoid on each online CPU loops mm/vmstat: Drop get_online_cpus() from init_cpu_node_state/vmstat_cpu_dead() tracing/rb: Convert to hotplug state machine oprofile/nmi timer: Convert to hotplug state machine net/iucv: Use explicit clean up labels in iucv_init() x86/pci/amd-bus: Convert to hotplug state machine x86/oprofile/nmi: Convert to hotplug state machine ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 platform updates from Ingo Molnar: "Two changes: - implement various VMWare guest OS improvements/fixes (Alexey Makhalov) - unexport a spurious export from the intel-mid platform driver (Lukas Wunner)" * 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/vmware: Add paravirt sched clock x86/vmware: Add basic paravirt ops support x86/vmware: Use tsc_khz value for calibrate_cpu() x86/platform/intel-mid: Unexport intel_mid_pci_set_power_state() x86/vmware: Read tsc_khz only once at boot time
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 microcode update from Ingo Molnar: "The biggest change (by Borislav Petkov) is a thorough rewrite of the Intel microcode loader and its interactions with the core code. The biggest conceptual change is the decoupling of the microcode loading on boot and application processors (which load the microcode in different scenarios), so that both parse the input patches with as few assumptions as possible - this also fixes various kernel address space randomization bugs. (The AP side then goes on and caches the result to improve boot performance.) Since the AMD side already did this, this change also opened up the path towards more unification/simplification of the core microcode loading infrastructure: 10 files changed, 647 insertions(+), 940 deletions(-) which speaks for itself" * 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/microcode: Bump driver version, update copyrights x86/microcode: Rework microcode loading x86/microcode/intel: Remove intel_lib.c x86/microcode/amd: Move private inlines to .c and mark local functions static x86/microcode: Collect CPU info on resume x86/microcode: Issue the debug printk on resume only on success x86/microcode/amd: Hand down the CPU family x86/microcode: Export the microcode cache linked list x86/microcode: Remove one #ifdef clause x86/microcode/intel: Simplify generic_load_microcode() x86/microcode: Move driver authors to CREDITS x86/microcode: Run the AP-loading routine only on the application processors
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 idle updates from Ingo Molnar: "There were two bigger changes in this development cycle: - remove idle notifiers: 32 files changed, 74 insertions(+), 803 deletions(-) These notifiers were of questionable value and the main usecase, the i7300 driver, was essentially unmaintained and can be removed, plus modern power management concepts don't need the callback - so use this golden opportunity and get rid of this opaque and fragile callback from a latency sensitive code path. (Len Brown, Thomas Gleixner) - improve the AMD Erratum 400 workaround that used high overhead MSR polling in the idle loop (Borisla Petkov, Thomas Gleixner)" * 'x86-idle-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Remove empty idle.h header x86/amd: Simplify AMD E400 aware idle routine x86/amd: Check for the C1E bug post ACPI subsystem init x86/bugs: Separate AMD E400 erratum and C1E bug x86/cpufeature: Provide helper to set bugs bits x86/idle: Remove enter_idle(), exit_idle() x86: Remove x86_test_and_clear_bit_percpu() x86/idle: Remove is_idle flag x86/idle: Remove idle_notifier i7300_idle: Remove this driver
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 header fixlet from Ingo Molnar: "Remove unnecessary module.h inclusion from core code (Paul Gortmaker)" * 'x86-headers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/percpu: Remove unnecessary include of module.h, add asm/desc.h
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 FPU updates from Ingo Molnar: "The main changes in this cycle were: - do a large round of simplifications after all CPUs do 'eager' FPU context switching in v4.9: remove CR0 twiddling, remove leftover eager/lazy bts, etc (Andy Lutomirski) - more FPU code simplifications: remove struct fpu::counter, clarify nomenclature, remove unnecessary arguments/functions and better structure the code (Rik van Riel)" * 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/fpu: Remove clts() x86/fpu: Remove stts() x86/fpu: Handle #NM without FPU emulation as an error x86/fpu, lguest: Remove CR0.TS support x86/fpu, kvm: Remove host CR0.TS manipulation x86/fpu: Remove irq_ts_save() and irq_ts_restore() x86/fpu: Stop saving and restoring CR0.TS in fpu__init_check_bugs() x86/fpu: Get rid of two redundant clts() calls x86/fpu: Finish excising 'eagerfpu' x86/fpu: Split old_fpu & new_fpu handling into separate functions x86/fpu: Remove 'cpu' argument from __cpu_invalidate_fpregs_state() x86/fpu: Split old & new FPU code paths x86/fpu: Remove __fpregs_(de)activate() x86/fpu: Rename lazy restore functions to "register state valid" x86/fpu, kvm: Remove KVM vcpu->fpu_counter x86/fpu: Remove struct fpu::counter x86/fpu: Remove use_eager_fpu() x86/fpu: Remove the XFEATURE_MASK_EAGER/LAZY distinction x86/fpu: Hard-disable lazy FPU mode x86/crypto, x86/fpu: Remove X86_FEATURE_EAGER_FPU #ifdef from the crc32c code
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 CPU updates from Ingo Molnar: "The changes in this development cycle were: - AMD CPU topology enhancements that are cleanups on current CPUs but which enable future Fam17 hardware. (Yazen Ghannam) - unify bugs.c and bugs_64.c (Borislav Petkov) - remove the show_msr= boot option (Borislav Petkov) - simplify a boot message (Borislav Petkov)" * 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/cpu/AMD: Clean up cpu_llc_id assignment per topology feature x86/cpu: Get rid of the show_msr= boot option x86/cpu: Merge bugs.c and bugs_64.c x86/cpu: Remove the printk format specifier in "CPU0: "
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 cleanups from Ingo Molnar: "Two cleanups in the LDT handling code, by Dan Carpenter and Thomas Gleixner" * 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/ldt: Make all size computations unsigned x86/ldt: Make a size argument unsigned
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 build updates from Ingo Molnar: "The main changes in this cycle were: - Makefile improvements (Paul Bolle) - KConfig cleanups to better separate 32-bit only, 64-bit only and generic feature enablement sections (Ingo Molnar)" * 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/build: Remove three unneeded genhdr-y entries x86/build: Don't use $(LINUXINCLUDE) twice x86/kconfig: Sort the 'config X86' selects alphabetically x86/kconfig: Clean up 32-bit compat options x86/kconfig: Clean up IA32_EMULATION select x86/kconfig, x86/pkeys: Move pkeys selects to X86_INTEL_MEMORY_PROTECTION_KEYS x86/kconfig: Move 64-bit only arch Kconfig selects to 'config X86_64' x86/kconfig: Move 32-bit only arch Kconfig selects to 'config X86_32'
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 boot updates from Ingo Molnar: "Misc cleanups/simplifications by Borislav Petkov, Paul Bolle and Wei Yang" * 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/boot/64: Optimize fixmap page fixup x86/boot: Simplify the GDTR calculation assembly code a bit x86/boot/build: Remove always empty $(USERINCLUDE)
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 asm updates from Ingo Molnar: "The main changes in this development cycle were: - a large number of call stack dumping/printing improvements: higher robustness, better cross-context dumping, improved output, etc. (Josh Poimboeuf) - vDSO getcpu() performance improvement for future Intel CPUs with the RDPID instruction (Andy Lutomirski) - add two new Intel AVX512 features and the CPUID support infrastructure for it: AVX512IFMA and AVX512VBMI. (Gayatri Kammela, He Chen) - more copy-user unification (Borislav Petkov) - entry code assembly macro simplifications (Alexander Kuleshov) - vDSO C/R support improvements (Dmitry Safonov) - misc fixes and cleanups (Borislav Petkov, Paul Bolle)" * 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (40 commits) scripts/decode_stacktrace.sh: Fix address line detection on x86 x86/boot/64: Use defines for page size x86/dumpstack: Make stack name tags more comprehensible selftests/x86: Add test_vdso to test getcpu() x86/vdso: Use RDPID in preference to LSL when available x86/dumpstack: Handle NULL stack pointer in show_trace_log_lvl() x86/cpufeatures: Enable new AVX512 cpu features x86/cpuid: Provide get_scattered_cpuid_leaf() x86/cpuid: Cleanup cpuid_regs definitions x86/copy_user: Unify the code by removing the 64-bit asm _copy_*_user() variants x86/unwind: Ensure stack grows down x86/vdso: Set vDSO pointer only after success x86/prctl/uapi: Remove #ifdef for CHECKPOINT_RESTORE x86/unwind: Detect bad stack return address x86/dumpstack: Warn on stack recursion x86/unwind: Warn on bad frame pointer x86/decoder: Use stderr if insn sanity test fails x86/decoder: Use stdout if insn decoder test is successful mm/page_alloc: Remove kernel address exposure in free_reserved_area() x86/dumpstack: Remove raw stack dump ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 apic updates from Ingo Molnar: "Misc changes: - optimize (reduce) IRQ handler tracing overhead (Wanpeng Li) - clean up MSR helpers (Borislav Petkov) - fix build warning on some configs (Sebastian Andrzej Siewior)" * 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/msr: Cleanup/streamline MSR helpers x86/apic: Prevent tracing on apic_msr_write_eoi() x86/msr: Add wrmsr_notrace() x86/apic: Get rid of "warning: 'acpi_ioapic_lock' defined but not used"
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 RAS updates from Ingo Molnar: "The main changes in this development cycle were: - more AMD northbridge support work, mostly in preparation for Fam17h CPUs (Yazen Ghannam, Borislav Petkov) - cleanups/refactorings and fixes (Borislav Petkov, Tony Luck, Yinghai Lu)" * 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mce: Include the PPIN in MCE records when available x86/mce/AMD: Add system physical address translation for AMD Fam17h x86/amd_nb: Add SMN and Indirect Data Fabric access for AMD Fam17h x86/amd_nb: Add Fam17h Data Fabric as "Northbridge" x86/amd_nb: Make all exports EXPORT_SYMBOL_GPL x86/amd_nb: Make amd_northbridges internal to amd_nb.c x86/mce/AMD: Reset Threshold Limit after logging error x86/mce/AMD: Fix HWID_MCATYPE calculation by grouping arguments x86/MCE: Correct TSC timestamping of error records x86/RAS: Hide SMCA bank names x86/RAS: Rename smca_bank_names to smca_names x86/RAS: Simplify SMCA HWID descriptor struct x86/RAS: Simplify SMCA bank descriptor struct x86/MCE: Dump MCE to dmesg if no consumers x86/RAS: Add TSC timestamp to the injected MCE x86/MCE: Do not look at panic_on_oops in the severity grading
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull hotplug API fix from Ingo Molnar: "Late breaking fix from the v4.9 cycle: fix a hotplug register/ unregister notifier API asymmetry bug that can cause kernel warnings (and worse) with certain Kconfig combinations" * 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: hotplug: Make register and unregister notifier API symmetric
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull scheduler updates from Ingo Molnar: "The main scheduler changes in this cycle were: - support Intel Turbo Boost Max Technology 3.0 (TBM3) by introducig a notion of 'better cores', which the scheduler will prefer to schedule single threaded workloads on. (Tim Chen, Srinivas Pandruvada) - enhance the handling of asymmetric capacity CPUs further (Morten Rasmussen) - improve/fix load handling when moving tasks between task groups (Vincent Guittot) - simplify and clean up the cputime code (Stanislaw Gruszka) - improve mass fork()ed task spread a.k.a. hackbench speedup (Vincent Guittot) - make struct kthread kmalloc()ed and related fixes (Oleg Nesterov) - add uaccess atomicity debugging (when using access_ok() in the wrong context), under CONFIG_DEBUG_ATOMIC_SLEEP=y (Peter Zijlstra) - implement various fixes, cleanups and other enhancements (Daniel Bristot de Oliveira, Martin Schwidefsky, Rafael J. Wysocki)" * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (41 commits) sched/core: Use load_avg for selecting idlest group sched/core: Fix find_idlest_group() for fork kthread: Don't abuse kthread_create_on_cpu() in __kthread_create_worker() kthread: Don't use to_live_kthread() in kthread_[un]park() kthread: Don't use to_live_kthread() in kthread_stop() Revert "kthread: Pin the stack via try_get_task_stack()/put_task_stack() in to_live_kthread() function" kthread: Make struct kthread kmalloc'ed x86/uaccess, sched/preempt: Verify access_ok() context sched/x86: Make CONFIG_SCHED_MC_PRIO=y easier to enable sched/x86: Change CONFIG_SCHED_ITMT to CONFIG_SCHED_MC_PRIO x86/sched: Use #include <linux/mutex.h> instead of #include <asm/mutex.h> cpufreq/intel_pstate: Use CPPC to get max performance acpi/bus: Set _OSC for diverse core support acpi/bus: Enable HWP CPPC objects x86/sched: Add SD_ASYM_PACKING flags to x86 ITMT CPU x86/sysctl: Add sysctl for ITMT scheduling feature x86: Enable Intel Turbo Boost Max Technology 3.0 x86/topology: Define x86's arch_update_cpu_topology sched: Extend scheduler's asym packing sched/fair: Clean up the tunable parameter definitions ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull perf updates from Ingo Molnar: "This update is pretty big and almost exclusively includes tooling changes, because v4.9's LTS status forced to completion most of the pending kernel side hardware enablement work and because we tried to freeze core perf work a bit to give a time window for the fuzzing efforts. The diff is large mostly due to the JSON hardware event tables added for Intel and Power8 CPUs. This was a popular feature request from people working close to hardware and from the HPC community. Tree size is big because this added the CPU event tables for over a decade of Intel CPUs. Future changes for a CPU vendor alrady support should be much smaller, as events for new models are added. The new events are listed in 'perf list', for the CPU model the tool is running on. If you find an interesting event it can be used as-is: $ perf stat -a -e l2_lines_out.pf_clean sleep 1 Performance counter stats for 'system wide': 7,860,403 l2_lines_out.pf_clean 1.000624918 seconds time elapsed The event lists can be searched the usual 'perf list' fashion for (case insensitive) substrings as well: $ perf list l2_lines_out List of pre-defined events (to be used in -e): cache: l2_lines_out.demand_clean [Clean L2 cache lines evicted by demand] l2_lines_out.demand_dirty [Dirty L2 cache lines evicted by demand] l2_lines_out.dirty_all [Dirty L2 cache lines filling the L2] l2_lines_out.pf_clean [Clean L2 cache lines evicted by L2 prefetch] l2_lines_out.pf_dirty [Dirty L2 cache lines evicted by L2 prefetch] etc. There's a few high level categories as well that can be listed: 'cache', 'floating point', 'frontend', 'memory', 'pipeline', 'virtual memory'. Existing generic events and workflows should work as-is. The only kernel side change is a late breaking fix for an older regression, related to Intel BTS, LBR and PT feature interaction. On the tooling side there are three new tools / major features: - The new 'perf c2c' tool provides means for Shared Data C2C/HITM analysis. This allows you to track down cacheline contention. The tool is based on x86's load latency and precise store facility events provided by Intel CPUs. It was tested by Joe Mario and has proven to be useful, finding some cacheline contentions. Joe also wrote a blog about c2c tool with examples: https://joemario.github.io/blog/2016/09/01/c2c-blog/ excerpt of the content on this site: At a high level, “perf c2c” will show you: * The cachelines where false sharing was detected. * The readers and writers to those cachelines, and the offsets where those accesses occurred. * The pid, tid, instruction addr, function name, binary object name for those readers and writers. * The source file and line number for each reader and writer. * The average load latency for the loads to those cachelines. * Which numa nodes the samples a cacheline came from and which CPUs were involved. Using perf c2c is similar to using the Linux perf tool today. First collect data with “perf c2c record”, then generate a report output with “perf c2c report” There one finds extensive details on using the tool, with tips on reducing the volume of samples while still capturing enough to do its job. (Dick Fowles, Joe Mario, Don Zickus, Jiri Olsa) - The new 'perf sched timehist' tool provides tailored analysis of scheduling events. Example usage: perf sched record -- sleep 1 perf sched timehist By default it shows the individual schedule events, including the wait time (time between sched-out and next sched-in events for the task), the task scheduling delay (time between wakeup and actually running) and run time for the task: time cpu task name wait time sch delay run time [tid/pid] (msec) (msec) (msec) -------- ------ ---------------- --------- --------- -------- 1.874569 [0011] gcc[31949] 0.014 0.000 1.148 1.874591 [0010] gcc[31951] 0.000 0.000 0.024 1.874603 [0010] migration/10[59] 3.350 0.004 0.011 1.874604 [0011] <idle> 1.148 0.000 0.035 1.874723 [0005] <idle> 0.016 0.000 1.383 1.874746 [0005] gcc[31949] 0.153 0.078 0.022 ... Times are in msec.usec. (David Ahern, Namhyung Kim) - Add CPU vendor hardware event tables: Add JSON files with vendor event naming for Intel and Power8 processors, allowing users of tools like oprofile to keep using the event names they are used to, as well as people reading vendor documentation, where such naming is used. (Andi Kleen, Sukadev Bhattiprolu) You should see all the new events with 'perf list' and you should be able to search them, for example 'perf list miss' will list all the myriads of miss events. Other tooling features added were: - Cross-arch annotation support: o Improve ARM support in the annotation code, affecting 'perf annotate', 'perf report' and live annotation in 'perf top' (Kim Phillips) o Initial support for PowerPC in the annotation code (Ravi Bangoria) o Support AArch64 in the 'annotate' code, native/local and cross-arch/remote (Kim Phillips) - Allow considering just events in a given time interval, via the '--time start.s.ms,end.s.ms' command line, added to 'perf kmem', 'perf report', 'perf sched timehist' and 'perf script' (David Ahern) - Add option to stop printing a callchain at one of a given group of symbol names (David Ahern) - Track memory freed in 'perf kmem stat' (David Ahern) - Allow querying and setting .perfconfig variables (Taeung Song) - Show branch information in callchains (predicted, TSX aborts, loop iteractions, etc) (Jin Yao) - Dynamicly change verbosity level by pressing 'V' in the 'perf top/report' hists TUI browser (Alexis Berlemont) - Implement 'perf trace --delay' in the same fashion as in 'perf record --delay', to skip sampling workload initialization events (Alexis Berlemont) - Make vendor named events case insensitive in 'perf list', i.e. 'perf list LONGEST_LAT' works just the same as 'perf list longest_lat' (Andi Kleen) - Add unwinding support for jitdump (Stefano Sanfilippo) Tooling infrastructure changes: - Support linking perf with clang and LLVM libraries, initially statically, but this limitation will be lifted and shared libraries, when available, will be preferred to the static build, that should, as with other features, be enabled explicitly (Wang Nan) - Add initial support (and perf test entry) for tooling hooks, starting with 'record_start' and 'record_end', that will have as its initial user the eBPF infrastructure, where perf_ prefixed functions will be JITed and run when such hooks are called (Wang Nan) - Implement assorted libbpf improvements (Wang Nan)" ... and lots of other changes, features, cleanups and refactorings I did not list, see the shortlog and the git log for details" * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (220 commits) perf/x86: Fix exclusion of BTS and LBR for Goldmont perf tools: Explicitly document that --children is enabled by default perf sched timehist: Cleanup idle_max_cpu handling perf sched timehist: Handle zero sample->tid properly perf callchain: Introduce callchain_cursor__copy() perf sched: Cleanup option processing perf sched timehist: Improve error message when analyzing wrong file perf tools: Move perf build related variables under non fixdep leg perf tools: Force fixdep compilation at the start of the build perf tools: Move PERF-VERSION-FILE target into rules area perf build: Check LLVM version in feature check perf annotate: Show raw form for jump instruction with indirect target perf tools: Add non config targets perf tools: Cleanup build directory before each test perf tools: Move python/perf.so target into rules area perf tools: Move install-gtk target into rules area tools build: Move tabs to spaces where suitable tools build: Make the .cmd file more readable perf clang: Compile BPF script using builtin clang support perf clang: Support compile IR to BPF object and add testcase ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull mm/PAT cleanup from Ingo Molnar: "A single cleanup for a generic interface that was originally introduced for PAT" * 'mm-pat-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/pat, mm: Make track_pfn_insert() return void
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull locking updates from Ingo Molnar: "The tree got pretty big in this development cycle, but the net effect is pretty good: 115 files changed, 673 insertions(+), 1522 deletions(-) The main changes were: - Rework and generalize the mutex code to remove per arch mutex primitives. (Peter Zijlstra) - Add vCPU preemption support: add an interface to query the preemption status of vCPUs and use it in locking primitives - this optimizes paravirt performance. (Pan Xinhui, Juergen Gross, Christian Borntraeger) - Introduce cpu_relax_yield() and remov cpu_relax_lowlatency() to clean up and improve the s390 lock yielding machinery and its core kernel impact. (Christian Borntraeger) - Micro-optimize mutexes some more. (Waiman Long) - Reluctantly add the to-be-deprecated mutex_trylock_recursive() interface on a temporary basis, to give the DRM code more time to get rid of its locking hacks. Any other users will be NAK-ed on sight. (We turned off the deprecation warning for the time being to not pollute the build log.) (Peter Zijlstra) - Improve the rtmutex code a bit, in light of recent long lived bugs/races. (Thomas Gleixner) - Misc fixes, cleanups" * 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits) x86/paravirt: Fix bool return type for PVOP_CALL() x86/paravirt: Fix native_patch() locking/ww_mutex: Use relaxed atomics locking/rtmutex: Explain locking rules for rt_mutex_proxy_unlock()/init_proxy_locked() locking/rtmutex: Get rid of RT_MUTEX_OWNER_MASKALL x86/paravirt: Optimize native pv_lock_ops.vcpu_is_preempted() locking/mutex: Break out of expensive busy-loop on {mutex,rwsem}_spin_on_owner() when owner vCPU is preempted locking/osq: Break out of spin-wait busy waiting loop for a preempted vCPU in osq_lock() Documentation/virtual/kvm: Support the vCPU preemption check x86/xen: Support the vCPU preemption check x86/kvm: Support the vCPU preemption check x86/kvm: Support the vCPU preemption check kvm: Introduce kvm_write_guest_offset_cached() locking/core, x86/paravirt: Implement vcpu_is_preempted(cpu) for KVM and Xen guests locking/spinlocks, s390: Implement vcpu_is_preempted(cpu) locking/core, powerpc: Implement vcpu_is_preempted(cpu) sched/core: Introduce the vcpu_is_preempted(cpu) interface sched/wake_q: Rename WAKE_Q to DEFINE_WAKE_Q locking/core: Provide common cpu_relax_yield() definition locking/mutex: Don't mark mutex_trylock_recursive() as deprecated, temporarily ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull EFI updates from Ingo Molnar: "The main changes in this development cycle were: - Implement EFI dev path parser and other changes to fully support thunderbolt devices on Apple Macbooks (Lukas Wunner) - Add RNG seeding via the EFI stub, on ARM/arm64 (Ard Biesheuvel) - Expose EFI framebuffer configuration to user-space, to improve tooling (Peter Jones) - Misc fixes and cleanups (Ivan Hu, Wei Yongjun, Yisheng Xie, Dan Carpenter, Roy Franz)" * 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: efi/libstub: Make efi_random_alloc() allocate below 4 GB on 32-bit thunderbolt: Compile on x86 only thunderbolt, efi: Fix Kconfig dependencies harder thunderbolt, efi: Fix Kconfig dependencies thunderbolt: Use Device ROM retrieved from EFI x86/efi: Retrieve and assign Apple device properties efi: Allow bitness-agnostic protocol calls efi: Add device path parser efi/arm*/libstub: Invoke EFI_RNG_PROTOCOL to seed the UEFI RNG table efi/libstub: Add random.c to ARM build efi: Add support for seeding the RNG from a UEFI config table MAINTAINERS: Add ARM and arm64 EFI specific files to EFI subsystem efi/libstub: Fix allocation size calculations efi/efivar_ssdt_load: Don't return success on allocation failure efifb: Show framebuffer layout as device attributes efi/efi_test: Use memdup_user() as a cleanup efi/efi_test: Fix uninitialized variable 'rv' efi/efi_test: Fix uninitialized variable 'datasize' efi/arm*: Fix efi_init() error handling efi: Remove unused include of <linux/version.h>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull SMP bootup updates from Ingo Molnar: "Three changes to unify/standardize some of the bootup message printing in kernel/smp.c between architectures" * 'core-smp-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: kernel/smp: Tell the user we're bringing up secondary CPUs kernel/smp: Make the SMP boot message common on all arches kernel/smp: Define pr_fmt() for smp.c
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull RCU updates from Ingo Molnar: "The main RCU changes in this development cycle were: - Miscellaneous fixes, including a change to call_rcu()'s rcu_head alignment check. - Security-motivated list consistency checks, which are disabled by default behind DEBUG_LIST. - Torture-test updates. - Documentation updates, yet again just simple changes" * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: torture: Prevent jitter from delaying build-only runs torture: Remove obsolete files from rcutorture .gitignore rcu: Don't kick unless grace period or request rcu: Make expedited grace periods recheck dyntick idle state torture: Trace long read-side delays rcu: RCU_TRACE enables event tracing as well as debugfs rcu: Remove obsolete comment from __call_rcu() rcu: Remove obsolete rcu_check_callbacks() header comment rcu: Tighten up __call_rcu() rcu_head alignment check Documentation/RCU: Fix minor typo documentation: Present updated RCU guarantee bug: Avoid Kconfig warning for BUG_ON_DATA_CORRUPTION lib/Kconfig.debug: Fix typo in select statement lkdtm: Add tests for struct list corruption bug: Provide toggle for BUG on data corruption list: Split list_del() debug checking into separate function rculist: Consolidate DEBUG_LIST for list_add_rcu() list: Split list_add() debug checking into separate function
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git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris由 Linus Torvalds 提交于
Pull CRIS updates from Jesper Nilsson: "Three patches for minor issues" * tag 'cris-for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris: cris: No need to append -O2 and $(LINUXINCLUDE) tty: serial: make crisv10 explicitly non-modular cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected
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git://github.com/openrisc/linux由 Linus Torvalds 提交于
Pull Openrisc updates from Stafford Horne: - changes to MAINTAINER for openrisc - probably biggest actual change is the move to memblock from bootmem - ... plus several bug and build fixes * tag 'openrisc-for-linus' of git://github.com/openrisc/linux: openrisc: prevent VGA console, fix builds openrisc: include l.swa in check for write data pagefault openrisc: Updates after openrisc.net has been lost openrisc: Consolidate setup to use memblock instead of bootmem openrisc: remove the redundant of_platform_populate openrisc: add NR_CPUS Kconfig default value openrisc: Support both old (or32) and new (or1k) toolchain openrisc: Add thread-local storage (TLS) support openrisc: restore all regs on rt_sigreturn openrisc: fix PTRS_PER_PGD define
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k由 Linus Torvalds 提交于
Pull m68k updates from Geert Uytterhoeven: "Use seq_puts() for fixed strings" * tag 'm68k-for-v4.10-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k/atari: Use seq_puts() in atari_get_hardware_list() m68k/amiga: Use seq_puts() in amiga_get_hardware_list()
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git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32由 Linus Torvalds 提交于
Pull AVR32 updates from Hans-Christian Noren Egtvedt. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32: avr32: wire up pkey syscalls AVR32-pio: Replace two seq_printf() calls by seq_puts() in pio_bank_show() AVR32-pio: Use seq_putc() in pio_bank_show() AVR32-clock: Combine nine seq_printf() calls into one call in clk_show() AVR32-clock: Use seq_putc() in two functions
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu由 Linus Torvalds 提交于
Pull m68knommu updates from Greg Ungerer: "There are two sets of changes in this pull. The largest is the addition of the ColdFire platform side i2c support (the IO addressing, setup and clock definitions). The i2c hardware module itself is driven by the kernels existing iMX i2c driver. The other change is the addition of support for the Amcore board" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68knommu: AMCORE board, add iMX i2c support m68k: add Sysam AMCORE open board support m68knommu: platform support for i2c devices on ColdFire SoC
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc由 Linus Torvalds 提交于
Pull sparc updates from David Miller: "Just a bunch of small cleanups and fixes here, and support for user probes from Allen Pais" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc: fix a building error reported by kbuild sparc64: fix typo in pgd_clear() sparc64: restore irq in error paths in iommu sparc: leon: Fix a retry loop in leon_init_timers() sparc64: make string buffers large enough sparc64: move dereference after check for NULL sparc: kernel: use builtin_platform_driver sparc64:Support User Probes for sparc
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- 12 12月, 2016 3 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next由 Linus Torvalds 提交于
Pull networking updates from David Miller: 1) Platform regulatory domain support for ath10k, from Bartosz Markowski. 2) Centralize min/max MTU checking, thus removing tons of duplicated code all of the the various drivers. From Jarod Wilson. 3) Support ingress actions in act_mirred, from Shmulik Ladkani. 4) Improve device adjacency tracking, from David Ahern. 5) Add support for LED triggers on PHY link state changes, from Zach Brown. 6) Improve UDP socket memory accounting, from Paolo Abeni. 7) Set SK_MEM_QUANTUM to a fixed size of 4096, instead of PAGE_SIZE. From Eric Dumazet. 8) Collapse TCP SKBs at retransmit time even if the right side SKB has frags. Also from Eric Dumazet. 9) Add IP_RECVFRAGSIZE and IPV6_RECVFRAGSIZE cmsgs, from Willem de Bruijn. 10) Support routing by UID, from Lorenzo Colitti. 11) Handle L3 domain binding (ie. VRF) for RAW sockets, from David Ahern. 12) tcp_get_info() can run lockless, from Eric Dumazet. 13) 4-tuple UDP hashing in SFC driver, from Edward Cree. 14) Avoid reorders in GRO code, from Eric Dumazet. 15) IPV6 Segment Routing support, from David Lebrun. 16) Support MPLS push and pop for L3 packets in openvswitch, from Jiri Benc. 17) Add LRU datastructure support for BPF, Martin KaFai Lau. 18) VF support in liquidio driver, from Raghu Vatsavayi. 19) Multiqueue support in alx driver, from Tobias Regnery. 20) Networking cgroup BPF support, from Daniel Mack. 21) TCP chronograph measurements, from Francis Yan. 22) XDP support for qed driver, from Yuval Mintz. 23) BPF based lwtunnels, from Thomas Graf. 24) Consistent FIB dumping to offloading drivers, from Ido Schimmel. 25) Many optimizations for UDP under high load, from Eric Dumazet. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1522 commits) netfilter: nft_counter: rework atomic dump and reset e1000: use disable_hardirq() for e1000_netpoll() i40e: don't truncate match_method assignment net: ethernet: ti: netcp: add support of cpts net: phy: phy drivers should not set SUPPORTED_[Asym_]Pause net: l2tp: ppp: change PPPOL2TP_MSG_* => L2TP_MSG_* net: l2tp: deprecate PPPOL2TP_MSG_* in favour of L2TP_MSG_* net: l2tp: export debug flags to UAPI net: ethernet: stmmac: remove private tx queue lock net: ethernet: sxgbe: remove private tx queue lock net: bridge: shorten ageing time on topology change net: bridge: add helper to set topology change net: bridge: add helper to offload ageing time net: nicvf: use new api ethtool_{get|set}_link_ksettings net: ethernet: ti: cpsw: sync rates for channels in dual emac mode net: ethernet: ti: cpsw: re-split res only when speed is changed net: ethernet: ti: cpsw: combine budget and weight split and check net: ethernet: ti: cpsw: don't start queue twice net: ethernet: ti: cpsw: use same macros to get active slave net: mvneta: select GENERIC_ALLOCATOR ...
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由 Randy Dunlap 提交于
OpenRISC does not support VGA console, so prevent that kconfig symbol from being enabled for OpenRISC, thus fixing these build errors: drivers/built-in.o: In function `vgacon_save_screen': vgacon.c:(.text+0x20e0): undefined reference to `screen_info' vgacon.c:(.text+0x20e8): undefined reference to `screen_info' drivers/built-in.o: In function `vgacon_init': vgacon.c:(.text+0x284c): undefined reference to `screen_info' vgacon.c:(.text+0x2850): undefined reference to `screen_info' drivers/built-in.o: In function `vgacon_startup': vgacon.c:(.text+0x28d8): undefined reference to `screen_info' drivers/built-in.o:vgacon.c:(.text+0x28f0): more undefined references to `screen_info' follow Signed-off-by: NRandy Dunlap <rdunlap@infradead.org> Reported-by: Nkbuild test robot <fengguang.wu@intel.com> Cc: Chen Gang <gang.chen@asianux.com> Cc: Jonas Bonn <jonas@southpole.se> Signed-off-by: NStafford Horne <shorne@gmail.com>
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由 Stefan Kristiansson 提交于
During page fault handling we check the last instruction to understand if the fault was for a read or for a write. By default we fall back to read. New instructions were added to the openrisc 1.1 spec for an atomic load/store pair (l.lwa/l.swa). This patch adds the opcode for l.swa (0x33) allowing it to be treated as a write operation. Signed-off-by: NStefan Kristiansson <stefan.kristiansson@saunalahti.fi> [shorne@gmail.com: expanded a bit on the comment] Signed-off-by: NStafford Horne <shorne@gmail.com>
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