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Message-ID: <891d41f8-e0e3-afa8-3274-b9a10afd3dbb@dd-wrt.com>
Date: Wed, 15 Aug 2018 02:36:00 +0200
From: Sebastian Gottschall <s.gottschall@...wrt.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-kernel@...r.kernel.org
Cc: torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org,
ben.hutchings@...ethink.co.uk, lkft-triage@...ts.linaro.org,
stable@...r.kernel.org
Subject: Re: [PATCH 4.9 000/107] 4.9.120-stable review
if SWAP is disabled in kernel config, the following compile error will
raise up with this release
arch/x86/built-in.o: in function `max_swapfile_size': (.text+0x3bba1):
undefined reference to `generic_max_swapfile_size'
of course this is simple to fix. the function max_swapfile_size must be
excluded if CONFIG_SWAP is disabled
Sebastian
Am 14.08.2018 um 19:16 schrieb Greg Kroah-Hartman:
> This is the start of the stable review cycle for the 4.9.120 release.
> There are 107 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Thu Aug 16 17:14:53 UTC 2018.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
> https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.120-rc1.gz
> or in the git tree and branch at:
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
>
> -------------
> Pseudo-Shortlog of commits:
>
> Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Linux 4.9.120-rc1
>
> Josh Poimboeuf <jpoimboe@...hat.com>
> x86/microcode: Allow late microcode loading with SMT disabled
>
> Ashok Raj <ashok.raj@...el.com>
> x86/microcode: Do not upload microcode if CPUs are offline
>
> David Woodhouse <dwmw@...zon.co.uk>
> tools headers: Synchronise x86 cpufeatures.h for L1TF additions
>
> Andi Kleen <ak@...ux.intel.com>
> x86/mm/kmmio: Make the tracer robust against L1TF
>
> Andi Kleen <ak@...ux.intel.com>
> x86/mm/pat: Make set_memory_np() L1TF safe
>
> Andi Kleen <ak@...ux.intel.com>
> x86/speculation/l1tf: Make pmd/pud_mknotpresent() invert
>
> Andi Kleen <ak@...ux.intel.com>
> x86/speculation/l1tf: Invert all not present mappings
>
> Thomas Gleixner <tglx@...utronix.de>
> cpu/hotplug: Fix SMT supported evaluation
>
> Paolo Bonzini <pbonzini@...hat.com>
> KVM: VMX: Tell the nested hypervisor to skip L1D flush on vmentry
>
> Paolo Bonzini <pbonzini@...hat.com>
> x86/speculation: Use ARCH_CAPABILITIES to skip L1D flush on vmentry
>
> Paolo Bonzini <pbonzini@...hat.com>
> x86/speculation: Simplify sysfs report of VMX L1TF vulnerability
>
> Paolo Bonzini <pbonzini@...hat.com>
> KVM: VMX: support MSR_IA32_ARCH_CAPABILITIES as a feature MSR
>
> Wanpeng Li <wanpengli@...cent.com>
> KVM: X86: Allow userspace to define the microcode version
>
> Wanpeng Li <wanpengli@...cent.com>
> KVM: X86: Introduce kvm_get_msr_feature()
>
> Tom Lendacky <thomas.lendacky@....com>
> KVM: SVM: Add MSR-based feature support for serializing LFENCE
>
> Tom Lendacky <thomas.lendacky@....com>
> KVM: x86: Add a framework for supporting MSR-based features
>
> Thomas Gleixner <tglx@...utronix.de>
> Documentation/l1tf: Remove Yonah processors from not vulnerable list
>
> Nicolai Stange <nstange@...e.de>
> x86/KVM/VMX: Don't set l1tf_flush_l1d from vmx_handle_external_intr()
>
> Nicolai Stange <nstange@...e.de>
> x86/irq: Let interrupt handlers set kvm_cpu_l1tf_flush_l1d
>
> Nicolai Stange <nstange@...e.de>
> x86: Don't include linux/irq.h from asm/hardirq.h
>
> Nicolai Stange <nstange@...e.de>
> x86/KVM/VMX: Introduce per-host-cpu analogue of l1tf_flush_l1d
>
> Nicolai Stange <nstange@...e.de>
> x86/irq: Demote irq_cpustat_t::__softirq_pending to u16
>
> Nicolai Stange <nstange@...e.de>
> x86/KVM/VMX: Move the l1tf_flush_l1d test to vmx_l1d_flush()
>
> Nicolai Stange <nstange@...e.de>
> x86/KVM/VMX: Replace 'vmx_l1d_flush_always' with 'vmx_l1d_flush_cond'
>
> Nicolai Stange <nstange@...e.de>
> x86/KVM/VMX: Don't set l1tf_flush_l1d to true from vmx_l1d_flush()
>
> Josh Poimboeuf <jpoimboe@...hat.com>
> cpu/hotplug: detect SMT disabled by BIOS
>
> Tony Luck <tony.luck@...el.com>
> Documentation/l1tf: Fix typos
>
> Nicolai Stange <nstange@...e.de>
> x86/KVM/VMX: Initialize the vmx_l1d_flush_pages' content
>
> Thomas Gleixner <tglx@...utronix.de>
> Documentation: Add section about CPU vulnerabilities
>
> Jiri Kosina <jkosina@...e.cz>
> x86/bugs, kvm: Introduce boot-time control of L1TF mitigations
>
> Thomas Gleixner <tglx@...utronix.de>
> cpu/hotplug: Set CPU_SMT_NOT_SUPPORTED early
>
> Jiri Kosina <jkosina@...e.cz>
> cpu/hotplug: Expose SMT control init function
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/kvm: Allow runtime control of L1D flush
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/kvm: Serialize L1D flush parameter setter
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/kvm: Add static key for flush always
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/kvm: Move l1tf setup function
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/l1tf: Handle EPT disabled state proper
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/kvm: Drop L1TF MSR list approach
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/litf: Introduce vmx status variable
>
> Thomas Gleixner <tglx@...utronix.de>
> cpu/hotplug: Online siblings when SMT control is turned on
>
> Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> x86/KVM/VMX: Use MSR save list for IA32_FLUSH_CMD if required
>
> Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> x86/KVM/VMX: Extend add_atomic_switch_msr() to allow VMENTER only MSRs
>
> Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> x86/KVM/VMX: Separate the VMX AUTOLOAD guest/host number accounting
>
> Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> x86/KVM/VMX: Add find_msr() helper function
>
> Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> x86/KVM/VMX: Split the VMX MSR LOAD structures to have an host/guest numbers
>
> Jim Mattson <jmattson@...gle.com>
> kvm: nVMX: Update MSR load counts on a VMCS switch
>
> Paolo Bonzini <pbonzini@...hat.com>
> x86/KVM/VMX: Add L1D flush logic
>
> Paolo Bonzini <pbonzini@...hat.com>
> x86/KVM/VMX: Add L1D MSR based flush
>
> Paolo Bonzini <pbonzini@...hat.com>
> x86/KVM/VMX: Add L1D flush algorithm
>
> Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> x86/KVM/VMX: Add module argument for L1TF mitigation
>
> Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> x86/KVM: Warn user if KVM is loaded SMT and L1TF CPU bug being present
>
> Thomas Gleixner <tglx@...utronix.de>
> cpu/hotplug: Boot HT siblings at least once
>
> Thomas Gleixner <tglx@...utronix.de>
> Revert "x86/apic: Ignore secondary threads if nosmt=force"
>
> Michal Hocko <mhocko@...e.cz>
> x86/speculation/l1tf: Fix up pte->pfn conversion for PAE
>
> Vlastimil Babka <vbabka@...e.cz>
> x86/speculation/l1tf: Protect PAE swap entries against L1TF
>
> Borislav Petkov <bp@...e.de>
> x86/CPU/AMD: Move TOPOEXT reenablement before reading smp_num_siblings
>
> Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> x86/cpufeatures: Add detection of L1D cache flush support.
>
> Vlastimil Babka <vbabka@...e.cz>
> x86/speculation/l1tf: Extend 64bit swap file size limit
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/apic: Ignore secondary threads if nosmt=force
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/cpu/AMD: Evaluate smp_num_siblings early
>
> Borislav Petkov <bp@...e.de>
> x86/CPU/AMD: Do not check CPUID max ext level before parsing SMP info
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/cpu/intel: Evaluate smp_num_siblings early
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/cpu/topology: Provide detect_extended_topology_early()
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/cpu/common: Provide detect_ht_early()
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/cpu/AMD: Remove the pointless detect_ht() call
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/cpu: Remove the pointless CPU printout
>
> Thomas Gleixner <tglx@...utronix.de>
> cpu/hotplug: Provide knobs to control SMT
>
> Thomas Gleixner <tglx@...utronix.de>
> cpu/hotplug: Split do_cpu_down()
>
> Thomas Gleixner <tglx@...utronix.de>
> cpu/hotplug: Make bringup/teardown of smp threads symmetric
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/topology: Provide topology_smt_supported()
>
> Thomas Gleixner <tglx@...utronix.de>
> x86/smp: Provide topology_is_primary_thread()
>
> Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> x86/bugs: Move the l1tf function and define pr_fmt properly
>
> Andi Kleen <ak@...ux.intel.com>
> x86/speculation/l1tf: Limit swap file size to MAX_PA/2
>
> Andi Kleen <ak@...ux.intel.com>
> x86/speculation/l1tf: Disallow non privileged high MMIO PROT_NONE mappings
>
> Andi Kleen <ak@...ux.intel.com>
> x86/speculation/l1tf: Add sysfs reporting for l1tf
>
> Andi Kleen <ak@...ux.intel.com>
> x86/speculation/l1tf: Make sure the first page is always reserved
>
> Andi Kleen <ak@...ux.intel.com>
> x86/speculation/l1tf: Protect PROT_NONE PTEs against speculation
>
> Linus Torvalds <torvalds@...ux-foundation.org>
> x86/speculation/l1tf: Protect swap entries against L1TF
>
> Linus Torvalds <torvalds@...ux-foundation.org>
> x86/speculation/l1tf: Change order of offset/type in swap entry
>
> Naoya Horiguchi <n-horiguchi@...jp.nec.com>
> mm: x86: move _PAGE_SWP_SOFT_DIRTY from bit 7 to bit 1
>
> Andi Kleen <ak@...ux.intel.com>
> x86/speculation/l1tf: Increase 32bit PAE __PHYSICAL_PAGE_SHIFT
>
> Nick Desaulniers <ndesaulniers@...gle.com>
> x86/irqflags: Provide a declaration for native_save_fl
>
> Masami Hiramatsu <mhiramat@...nel.org>
> kprobes/x86: Fix %p uses in error messages
>
> Jiri Kosina <jkosina@...e.cz>
> x86/speculation: Protect against userspace-userspace spectreRSB
>
> Peter Zijlstra <peterz@...radead.org>
> x86/paravirt: Fix spectre-v2 mitigations for paravirt guests
>
> Oleksij Rempel <o.rempel@...gutronix.de>
> ARM: dts: imx6sx: fix irq for pcie bridge
>
> Michael Mera <dev@...haelmera.com>
> IB/ocrdma: fix out of bounds access to local buffer
>
> Fabio Estevam <fabio.estevam@....com>
> mtd: nand: qcom: Add a NULL check for devm_kasprintf()
>
> Jack Morgenstein <jackm@....mellanox.co.il>
> IB/mlx4: Mark user MR as writable if actual virtual memory is writable
>
> Jack Morgenstein <jackm@....mellanox.co.il>
> IB/core: Make testing MR flags for writability a static inline function
>
> Eric W. Biederman <ebiederm@...ssion.com>
> proc: Fix proc_sys_prune_dcache to hold a sb reference
>
> Eric W. Biederman <ebiederm@...ssion.com>
> proc/sysctl: Don't grab i_lock under sysctl_lock.
>
> Konstantin Khlebnikov <khlebnikov@...dex-team.ru>
> proc/sysctl: prune stale dentries during unregistering
>
> Al Viro <viro@...iv.linux.org.uk>
> fix __legitimize_mnt()/mntput() race
>
> Al Viro <viro@...iv.linux.org.uk>
> fix mntput/mntput race
>
> Al Viro <viro@...iv.linux.org.uk>
> make sure that __dentry_kill() always invalidates d_seq, unhashed or not
>
> Al Viro <viro@...iv.linux.org.uk>
> root dentries need RCU-delayed freeing
>
> Linus Torvalds <torvalds@...ux-foundation.org>
> init: rename and re-order boot_cpu_state_init()
>
> Bart Van Assche <bart.vanassche@....com>
> scsi: sr: Avoid that opening a CD-ROM hangs with runtime power management enabled
>
> Hans de Goede <hdegoede@...hat.com>
> ACPI / LPSS: Add missing prv_offset setting for byt/cht PWM devices
>
> Juergen Gross <jgross@...e.com>
> xen/netfront: don't cache skb_shinfo()
>
> Linus Torvalds <torvalds@...ux-foundation.org>
> Mark HI and TASKLET softirq synchronous
>
> Andrey Konovalov <andreyknvl@...gle.com>
> kasan: add no_sanitize attribute for clang builds
>
> John David Anglin <dave.anglin@...l.net>
> parisc: Define mb() and add memory barriers to assembler unlock sequences
>
> Helge Deller <deller@....de>
> parisc: Enable CONFIG_MLONGCALLS by default
>
> Tadeusz Struk <tadeusz.struk@...el.com>
> tpm: fix race condition in tpm_common_write()
>
> Theodore Ts'o <tytso@....edu>
> ext4: fix check to prevent initializing reserved inodes
>
>
> -------------
>
> Diffstat:
>
> Documentation/ABI/testing/sysfs-devices-system-cpu | 24 +
> Documentation/index.rst | 1 +
> Documentation/kernel-parameters.txt | 78 +++
> Documentation/l1tf.rst | 610 +++++++++++++++++++++
> Documentation/virtual/kvm/api.txt | 40 +-
> Makefile | 4 +-
> arch/Kconfig | 3 +
> arch/arm/boot/dts/imx6sx.dtsi | 2 +-
> arch/parisc/Kconfig | 2 +-
> arch/parisc/include/asm/barrier.h | 32 ++
> arch/parisc/kernel/entry.S | 2 +
> arch/parisc/kernel/pacache.S | 1 +
> arch/parisc/kernel/syscall.S | 4 +
> arch/x86/Kconfig | 1 +
> arch/x86/include/asm/apic.h | 10 +
> arch/x86/include/asm/cpufeatures.h | 4 +-
> arch/x86/include/asm/dmi.h | 2 +-
> arch/x86/include/asm/hardirq.h | 26 +-
> arch/x86/include/asm/irqflags.h | 2 +
> arch/x86/include/asm/kvm_host.h | 9 +
> arch/x86/include/asm/msr-index.h | 7 +
> arch/x86/include/asm/page_32_types.h | 9 +-
> arch/x86/include/asm/pgtable-2level.h | 17 +
> arch/x86/include/asm/pgtable-3level.h | 37 +-
> arch/x86/include/asm/pgtable-invert.h | 32 ++
> arch/x86/include/asm/pgtable.h | 85 ++-
> arch/x86/include/asm/pgtable_64.h | 48 +-
> arch/x86/include/asm/pgtable_types.h | 10 +-
> arch/x86/include/asm/processor.h | 17 +
> arch/x86/include/asm/topology.h | 6 +-
> arch/x86/include/asm/vmx.h | 11 +
> arch/x86/kernel/apic/apic.c | 17 +
> arch/x86/kernel/apic/htirq.c | 2 +
> arch/x86/kernel/apic/io_apic.c | 1 +
> arch/x86/kernel/apic/msi.c | 1 +
> arch/x86/kernel/apic/vector.c | 1 +
> arch/x86/kernel/cpu/amd.c | 53 +-
> arch/x86/kernel/cpu/bugs.c | 171 ++++--
> arch/x86/kernel/cpu/common.c | 56 +-
> arch/x86/kernel/cpu/cpu.h | 2 +
> arch/x86/kernel/cpu/intel.c | 7 +
> arch/x86/kernel/cpu/microcode/core.c | 26 +
> arch/x86/kernel/cpu/topology.c | 41 +-
> arch/x86/kernel/fpu/core.c | 1 +
> arch/x86/kernel/ftrace.c | 1 +
> arch/x86/kernel/hpet.c | 1 +
> arch/x86/kernel/i8259.c | 1 +
> arch/x86/kernel/irq.c | 1 +
> arch/x86/kernel/irq_32.c | 1 +
> arch/x86/kernel/irq_64.c | 1 +
> arch/x86/kernel/irqinit.c | 1 +
> arch/x86/kernel/kprobes/core.c | 5 +-
> arch/x86/kernel/kprobes/opt.c | 1 +
> arch/x86/kernel/paravirt.c | 14 +-
> arch/x86/kernel/setup.c | 6 +
> arch/x86/kernel/smp.c | 1 +
> arch/x86/kernel/smpboot.c | 18 +
> arch/x86/kernel/time.c | 1 +
> arch/x86/kvm/svm.c | 46 +-
> arch/x86/kvm/vmx.c | 426 ++++++++++++--
> arch/x86/kvm/x86.c | 133 ++++-
> arch/x86/mm/fault.c | 1 +
> arch/x86/mm/init.c | 23 +
> arch/x86/mm/kaiser.c | 1 +
> arch/x86/mm/kmmio.c | 25 +-
> arch/x86/mm/mmap.c | 21 +
> arch/x86/mm/pageattr.c | 8 +-
> arch/x86/platform/efi/efi_64.c | 1 +
> arch/x86/platform/efi/quirks.c | 1 +
> .../intel-mid/device_libs/platform_mrfld_wdt.c | 1 +
> arch/x86/platform/uv/tlb_uv.c | 1 +
> arch/x86/xen/enlighten.c | 1 +
> arch/x86/xen/setup.c | 1 +
> drivers/acpi/acpi_lpss.c | 2 +
> drivers/base/cpu.c | 8 +
> drivers/char/tpm/tpm-dev.c | 43 +-
> drivers/infiniband/core/umem.c | 11 +-
> drivers/infiniband/hw/mlx4/mr.c | 50 +-
> drivers/infiniband/hw/ocrdma/ocrdma_stats.c | 2 +-
> drivers/mtd/nand/qcom_nandc.c | 3 +
> drivers/net/xen-netfront.c | 8 +-
> drivers/pci/host/pci-hyperv.c | 2 +
> drivers/scsi/sr.c | 29 +-
> fs/dcache.c | 13 +-
> fs/ext4/ialloc.c | 5 +-
> fs/ext4/super.c | 8 +-
> fs/namespace.c | 28 +-
> fs/proc/inode.c | 3 +-
> fs/proc/internal.h | 7 +-
> fs/proc/proc_sysctl.c | 83 ++-
> include/asm-generic/pgtable.h | 12 +
> include/linux/compiler-clang.h | 3 +
> include/linux/cpu.h | 23 +-
> include/linux/swapfile.h | 2 +
> include/linux/sysctl.h | 1 +
> include/rdma/ib_verbs.h | 14 +
> include/uapi/linux/kvm.h | 2 +
> init/main.c | 2 +-
> kernel/cpu.c | 282 +++++++++-
> kernel/smp.c | 2 +
> kernel/softirq.c | 12 +-
> mm/memory.c | 29 +-
> mm/mprotect.c | 49 ++
> mm/swapfile.c | 46 +-
> tools/arch/x86/include/asm/cpufeatures.h | 4 +-
> 105 files changed, 2680 insertions(+), 366 deletions(-)
>
>
>
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