Mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ https://git.shady.money/linux/atom?h=v6.0 2022-10-02T16:41:27Z 2022-10-02T16:41:27Z Linus Torvalds torvalds@linux-foundation.org 2022-10-02T16:41:27Z urn:sha1:febae48afe6063105a0fad83d8e12a6addda7c6a Pull misc perf fixes from Ingo Molnar: - Fix a PMU enumeration/initialization bug on Intel Alder Lake CPUs - Fix KVM guest PEBS register handling - Fix race/reentry bug in perf_output_read_group() reading of PMU counters * tag 'perf-urgent-2022-10-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/core: Fix reentry problem in perf_output_read_group() perf/x86/core: Completely disable guest PEBS via guest's global_ctrl perf/x86/intel: Fix unchecked MSR access error for Alder Lake N 2022-10-02T16:30:35Z Linus Torvalds torvalds@linux-foundation.org 2022-10-02T16:30:35Z urn:sha1:534b0abc627a4034ecaf177e780b1680e61b37f4 Pull x86 fixes from Borislav Petkov: - Add the respective UP last level cache mask accessors in order not to cause segfaults when lscpu accesses their representation in sysfs - Fix for a race in the alternatives batch patching machinery when kprobes are set * tag 'x86_urgent_for_v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/cacheinfo: Add a cpu_llc_shared_mask() UP variant x86/alternative: Fix race in try_get_desc() 2022-09-30T22:49:13Z Linus Torvalds torvalds@linux-foundation.org 2022-09-30T22:49:13Z urn:sha1:920541bb0b9bf08d1455890694fbb2bbffb7a12b Pull kvm fixes from Paolo Bonzini: "A small fix to the reported set of supported CPUID bits, and selftests fixes: - Skip tests that require EPT when it is not available - Do not hang when a test fails with an empty stack trace - avoid spurious failure when running access_tracking_perf_test in a KVM guest - work around GCC's tendency to optimize loops into mem*() functions, which breaks because the guest code in selftests cannot call into PLTs - fix -Warray-bounds error in fix_hypercall_test" * tag 'for-linus-6.0' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: selftests: Compare insn opcodes directly in fix_hypercall_test KVM: selftests: Implement memcmp(), memcpy(), and memset() for guest use KVM: x86: Hide IA32_PLATFORM_DCA_CAP[31:0] from the guest KVM: selftests: Gracefully handle empty stack traces KVM: selftests: replace assertion with warning in access_tracking_perf_test KVM: selftests: Skip tests that require EPT when it is not available 2022-09-30T10:38:01Z Jim Mattson jmattson@google.com 2022-09-22T23:18:54Z urn:sha1:aae2e72229cdb21f90df2dbe4244c977e5d3265b The only thing reported by CPUID.9 is the value of IA32_PLATFORM_DCA_CAP[31:0] in EAX. This MSR doesn't even exist in the guest, since CPUID.1:ECX.DCA[bit 18] is clear in the guest. Clear CPUID.9 in KVM_GET_SUPPORTED_CPUID. Fixes: 24c82e576b78 ("KVM: Sanitize cpuid") Signed-off-by: Jim Mattson <jmattson@google.com> Message-Id: <20220922231854.249383-1-jmattson@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> 2022-09-29T12:35:32Z Linus Torvalds torvalds@linux-foundation.org 2022-09-29T12:35:32Z urn:sha1:81bcd4b522cf1dc312385b79b144153aff0cf0c6 Pull LoongArch fixes from Huacai Chen: "Some trivial fixes and cleanup" * tag 'loongarch-fixes-6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: LoongArch: Clean up loongson3_smp_ops declaration LoongArch: Fix and cleanup csr_era handling in do_ri() LoongArch: Align the address of kernel_entry to 4KB 2022-09-29T02:15:00Z Yanteng Si siyanteng@loongson.cn 2022-09-27T04:34:56Z urn:sha1:4f196cb64b693c64f8f981432b1ff326b7ea1c28 Since loongson3_smp_ops is not used in LoongArch anymore, let's remove it for cleanup. Fixes: f2ac457a6138 ("LoongArch: Add CPU definition headers") Signed-off-by: Yanteng Si <siyanteng@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> 2022-09-29T02:15:00Z Huacai Chen chenhuacai@loongson.cn 2022-09-26T14:33:39Z urn:sha1:06e76acec70d1381b9a96e6014d5587d84201f82 We don't emulate reserved instructions and just send a signal to the current process now. So we don't need to call compute_return_era() to add 4 (point to the next instruction) to csr_era in pt_regs. RA/ERA's backup/restore is cleaned up as well. Signed-off-by: Jun Yi <yijun@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> 2022-09-29T02:15:00Z Huacai Chen chenhuacai@loongson.cn 2022-09-26T14:25:29Z urn:sha1:2938431e9338bf4e8d434513d3a5832d64c0fa8b Align the address of kernel_entry to 4KB, to avoid early tlb miss exception in case the entry code crosses page boundary. Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> 2022-09-28T16:35:37Z Borislav Petkov bp@suse.de 2022-08-19T17:47:44Z urn:sha1:df5b035b5683d6a25f077af889fb88e09827f8bc On a CONFIG_SMP=n kernel, the LLC shared mask is 0, which prevents __cache_amd_cpumap_setup() from doing the L3 masks setup, and more specifically from setting up the shared_cpu_map and shared_cpu_list files in sysfs, leading to lscpu from util-linux getting confused and segfaulting. Add a cpu_llc_shared_mask() UP variant which returns a mask with a single bit set, i.e., for CPU0. Fixes: 2b83809a5e6d ("x86/cpu/amd: Derive L3 shared_cpu_map from cpu_llc_shared_mask") Reported-by: Saurabh Sengar <ssengar@linux.microsoft.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/1660148115-302-1-git-send-email-ssengar@linux.microsoft.com 2022-09-27T23:49:42Z Linus Torvalds torvalds@linux-foundation.org 2022-09-27T23:49:42Z urn:sha1:49c13ed0316d55d73f1c81c66a7e2abd743f9ae6 Pull ARM SoC fixes from Arnd Bergmann: "This should be the last set of bugfixes in the SoC tree: - Two fixes for Arm integrator, dealing with a regression caused by invalid DT properties combined with a change in dma address translation, and missing device_type annotations on the PCI bus - Fixes for drivers/reset/, addressing bugs in i.MX8MP, Sparx5 and NPCM8XX platforms - Bjorn Andersson's email address changes in the MAINTAINERS file - Multiple minor fixes to Qualcomm dts files, and a change to the remoteproc firmware filename that did not match the actual path in the linux-firmware package - Minor code fixes for the Allwinner/sunxi SRAM driver, and the broadcom STB Bus Interface Unit driver - A build fix for the sunplus sp7021 platform - Two dts fixes for TI OMAP family SoCs, addressing an extraneous usb4 device node and an incorrect DMA handle" * tag 'soc-fixes-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: ARM: dts: integrator: Fix DMA ranges ARM: dts: integrator: Tag PCI host with device_type ARM: sunplus: fix serial console kconfig and build problems reset: npcm: fix iprst2 and iprst4 setting arm64: dts: qcom: sm8350: fix UFS PHY serdes size soc: bcm: brcmstb: biuctrl: Avoid double of_node_put() arm64: dts: qcom: sc8280xp-x13s: Update firmware location soc: sunxi: sram: Fix debugfs info for A64 SRAM C soc: sunxi: sram: Fix probe function ordering issues soc: sunxi: sram: Prevent the driver from being unbound soc: sunxi: sram: Actually claim SRAM regions ARM: dts: am5748: keep usb4_tm disabled reset: microchip-sparx5: issue a reset on startup reset: imx7: Fix the iMX8MP PCIe PHY PERST support MAINTAINERS: Update Bjorn's email address arm64: dts: qcom: sc7280: move USB wakeup-source property arm64: dts: qcom: thinkpad-x13s: Fix firmware location arm64: dts: qcom: sm8150: Fix fastrpc iommu values ARM: dts: am33xx: Fix MMCHS0 dma properties