[TCWG CI] Regression caused by linux: Merge branch 'for-next/core' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: commit 651ff8d8cedf95e992cbb4147dbc96965fd2e948 Merge: f769dddf51ec 6b9073abd579 Author: Stephen Rothwell sfr@canb.auug.org.au

Merge branch 'for-next/core' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Results regressed to # reset_artifacts: -10 # build_abe binutils: -9 # build_abe stage1: -5 # build_abe qemu: -2 # linux_n_obj: 600 # First few build errors in logs: # 00:00:42 make[2]: *** [arch/arm64/kernel/head.o] Error 1 # 00:00:43 make[2]: *** [arch/arm64/mm/proc.o] Error 1 # 00:00:43 make[1]: *** [arch/arm64/mm] Error 2 # 00:00:45 make[1]: *** [arch/arm64/kernel] Error 2 # 00:00:45 make: *** [arch/arm64] Error 2

from # reset_artifacts: -10 # build_abe binutils: -9 # build_abe stage1: -5 # build_abe qemu: -2 # linux_n_obj: 604 # linux build successful: all # linux boot successful: boot

THIS IS THE END OF INTERESTING STUFF. BELOW ARE LINKS TO BUILDS, REPRODUCTION INSTRUCTIONS, AND THE RAW COMMIT.

This commit has regressed these CI configurations: - tcwg_kernel/gnu-release-aarch64-next-allnoconfig

First_bad build: https://ci.linaro.org/job/tcwg_kernel-gnu-bisect-gnu-release-aarch64-next-al... Last_good build: https://ci.linaro.org/job/tcwg_kernel-gnu-bisect-gnu-release-aarch64-next-al... Baseline build: https://ci.linaro.org/job/tcwg_kernel-gnu-bisect-gnu-release-aarch64-next-al... Even more details: https://ci.linaro.org/job/tcwg_kernel-gnu-bisect-gnu-release-aarch64-next-al...

Reproduce builds: <cut> mkdir investigate-linux-651ff8d8cedf95e992cbb4147dbc96965fd2e948 cd investigate-linux-651ff8d8cedf95e992cbb4147dbc96965fd2e948

# Fetch scripts git clone https://git.linaro.org/toolchain/jenkins-scripts

# Fetch manifests and test.sh script mkdir -p artifacts/manifests curl -o artifacts/manifests/build-baseline.sh https://ci.linaro.org/job/tcwg_kernel-gnu-bisect-gnu-release-aarch64-next-al... --fail curl -o artifacts/manifests/build-parameters.sh https://ci.linaro.org/job/tcwg_kernel-gnu-bisect-gnu-release-aarch64-next-al... --fail curl -o artifacts/test.sh https://ci.linaro.org/job/tcwg_kernel-gnu-bisect-gnu-release-aarch64-next-al... --fail chmod +x artifacts/test.sh

# Reproduce the baseline build (build all pre-requisites) ./jenkins-scripts/tcwg_kernel-build.sh @@ artifacts/manifests/build-baseline.sh

# Save baseline build state (which is then restored in artifacts/test.sh) mkdir -p ./bisect rsync -a --del --delete-excluded --exclude /bisect/ --exclude /artifacts/ --exclude /linux/ ./ ./bisect/baseline/

cd linux

# Reproduce first_bad build git checkout --detach 651ff8d8cedf95e992cbb4147dbc96965fd2e948 ../artifacts/test.sh

# Reproduce last_good build git checkout --detach f769dddf51ec107c9c118ac3fd392703c7bd17dd ../artifacts/test.sh

cd .. </cut>

Full commit (up to 1000 lines): <cut> commit 651ff8d8cedf95e992cbb4147dbc96965fd2e948 Merge: f769dddf51ec 6b9073abd579 Author: Stephen Rothwell sfr@canb.auug.org.au Date: Thu Jul 21 09:42:59 2022 +1000

Merge branch 'for-next/core' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

# Conflicts: # arch/arm64/kernel/head.S

Documentation/ABI/testing/sysfs-devices-system-cpu | 3 +- Documentation/admin-guide/kernel-parameters.txt | 8 +- Documentation/admin-guide/perf/hns3-pmu.rst | 136 ++ Documentation/admin-guide/perf/index.rst | 1 + Documentation/arm64/elf_hwcaps.rst | 4 + Documentation/arm64/memory.rst | 10 +- Documentation/arm64/silicon-errata.rst | 6 + .../features/vm/ioremap_prot/arch-support.txt | 2 +- Documentation/memory-barriers.txt | 11 +- Documentation/virt/kvm/arm/hyp-abi.rst | 11 +- MAINTAINERS | 6 + arch/Kconfig | 3 + arch/arm/include/asm/io.h | 4 +- arch/arm/mm/ioremap.c | 9 +- arch/arm/mm/nommu.c | 9 +- arch/arm64/Kconfig | 37 + arch/arm64/boot/Makefile | 5 +- arch/arm64/include/asm/asm-extable.h | 79 +- arch/arm64/include/asm/asm-uaccess.h | 12 +- arch/arm64/include/asm/asm_pointer_auth.h | 4 +- arch/arm64/include/asm/assembler.h | 35 +- arch/arm64/include/asm/barrier.h | 12 +- arch/arm64/include/asm/cache.h | 41 +- arch/arm64/include/asm/cacheflush.h | 7 - arch/arm64/include/asm/cpu.h | 1 + arch/arm64/include/asm/cpu_ops.h | 9 - arch/arm64/include/asm/cpufeature.h | 7 +- arch/arm64/include/asm/cpuidle.h | 15 - arch/arm64/include/asm/el2_setup.h | 60 - arch/arm64/include/asm/fixmap.h | 4 +- arch/arm64/include/asm/hwcap.h | 3 +- arch/arm64/include/asm/io.h | 24 +- arch/arm64/include/asm/kernel-pgtable.h | 18 +- arch/arm64/include/asm/memory.h | 9 + arch/arm64/include/asm/mmu_context.h | 16 +- arch/arm64/include/asm/pgtable-hwdef.h | 3 +- arch/arm64/include/asm/pgtable.h | 16 + arch/arm64/include/asm/processor.h | 3 +- arch/arm64/include/asm/sysreg.h | 128 +- arch/arm64/include/asm/uaccess.h | 94 +- arch/arm64/include/asm/virt.h | 11 +- arch/arm64/include/uapi/asm/hwcap.h | 4 + arch/arm64/kernel/Makefile | 7 +- arch/arm64/kernel/acpi.c | 2 +- arch/arm64/kernel/acpi_numa.c | 2 +- arch/arm64/kernel/alternative.c | 2 +- arch/arm64/kernel/armv8_deprecated.c | 9 +- arch/arm64/kernel/cpu_errata.c | 26 +- arch/arm64/kernel/cpufeature.c | 335 ++-- arch/arm64/kernel/cpuidle.c | 29 - arch/arm64/kernel/cpuinfo.c | 53 +- arch/arm64/kernel/entry.S | 53 +- arch/arm64/kernel/fpsimd.c | 1 - arch/arm64/kernel/head.S | 525 +++--- arch/arm64/kernel/hibernate.c | 5 - arch/arm64/kernel/hyp-stub.S | 117 +- arch/arm64/kernel/idreg-override.c | 93 +- arch/arm64/kernel/image-vars.h | 59 +- arch/arm64/kernel/kaslr.c | 149 +- arch/arm64/kernel/kuser32.S | 1 + arch/arm64/kernel/mte.c | 9 - arch/arm64/kernel/pi/Makefile | 33 + arch/arm64/kernel/pi/kaslr_early.c | 112 ++ arch/arm64/kernel/signal.c | 20 +- arch/arm64/kernel/sigreturn32.S | 1 + arch/arm64/kernel/sleep.S | 3 +- arch/arm64/kernel/stacktrace.c | 99 +- arch/arm64/kernel/suspend.c | 2 +- arch/arm64/kernel/traps.c | 6 +- arch/arm64/kernel/vdso/Makefile | 8 +- arch/arm64/kernel/vdso/vdso.lds.S | 16 +- arch/arm64/kernel/vdso32/Makefile | 1 + arch/arm64/kernel/vdso32/vdso.lds.S | 27 +- arch/arm64/kernel/vmlinux.lds.S | 22 +- arch/arm64/kvm/hyp/include/nvhe/fixed_config.h | 32 +- arch/arm64/kvm/hyp/nvhe/sys_regs.c | 12 +- arch/arm64/kvm/sys_regs.c | 14 +- arch/arm64/lib/mte.S | 2 +- arch/arm64/mm/cache.S | 41 - arch/arm64/mm/copypage.c | 9 - arch/arm64/mm/dma-mapping.c | 19 +- arch/arm64/mm/extable.c | 10 +- arch/arm64/mm/fault.c | 1 - arch/arm64/mm/hugetlbpage.c | 10 - arch/arm64/mm/init.c | 4 +- arch/arm64/mm/ioremap.c | 90 +- arch/arm64/mm/kasan_init.c | 4 +- arch/arm64/mm/mmu.c | 78 +- arch/arm64/mm/mteswap.c | 9 - arch/arm64/mm/proc.S | 188 +-- arch/arm64/tools/cpucaps | 2 + arch/arm64/tools/gen-sysreg.awk | 2 +- arch/arm64/tools/sysreg | 264 ++++ arch/x86/Kconfig | 1 + arch/x86/Kconfig.debug | 3 - drivers/cpuidle/Kconfig.arm | 3 +- drivers/perf/arm-cci.c | 11 +- drivers/perf/arm-ccn.c | 6 +- drivers/perf/arm_spe_pmu.c | 22 +- drivers/perf/fsl_imx8_ddr_perf.c | 6 +- drivers/perf/hisilicon/Kconfig | 10 + drivers/perf/hisilicon/Makefile | 1 + drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c | 16 +- drivers/perf/hisilicon/hisi_uncore_hha_pmu.c | 16 +- drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c | 16 +- drivers/perf/hisilicon/hisi_uncore_pa_pmu.c | 16 +- drivers/perf/hisilicon/hisi_uncore_pmu.c | 18 + drivers/perf/hisilicon/hisi_uncore_pmu.h | 2 + drivers/perf/hisilicon/hisi_uncore_sllc_pmu.c | 15 +- drivers/perf/hisilicon/hns3_pmu.c | 1671 ++++++++++++++++++++ drivers/perf/marvell_cn10k_tad_pmu.c | 12 +- drivers/perf/riscv_pmu.c | 4 +- drivers/perf/riscv_pmu_sbi.c | 106 +- include/asm-generic/barrier.h | 8 + include/asm-generic/io.h | 29 +- include/linux/cpuhotplug.h | 1 + include/linux/gfp.h | 2 +- include/linux/huge_mm.h | 12 + include/linux/perf/riscv_pmu.h | 4 + mm/ioremap.c | 26 +- mm/kasan/common.c | 3 +- mm/page_alloc.c | 19 +- mm/swap_slots.c | 2 +- 123 files changed, 3951 insertions(+), 1608 deletions(-)

diff --cc arch/arm64/include/asm/kernel-pgtable.h index a971d462f531,02e59fa8f293..8f07cea33212 --- a/arch/arm64/include/asm/kernel-pgtable.h +++ b/arch/arm64/include/asm/kernel-pgtable.h @@@ -103,13 -109,15 +109,15 @@@ /* * Initial memory map attributes. */ -#define SWAPPER_PTE_FLAGS (PTE_TYPE_PAGE | PTE_AF | PTE_SHARED) -#define SWAPPER_PMD_FLAGS (PMD_TYPE_SECT | PMD_SECT_AF | PMD_SECT_S) +#define SWAPPER_PTE_FLAGS (PTE_TYPE_PAGE | PTE_AF | PTE_SHARED | PTE_UXN) +#define SWAPPER_PMD_FLAGS (PMD_TYPE_SECT | PMD_SECT_AF | PMD_SECT_S | PMD_SECT_UXN)

#if ARM64_KERNEL_USES_PMD_MAPS - #define SWAPPER_MM_MMUFLAGS (PMD_ATTRINDX(MT_NORMAL) | SWAPPER_PMD_FLAGS) + #define SWAPPER_RW_MMUFLAGS (PMD_ATTRINDX(MT_NORMAL) | SWAPPER_PMD_FLAGS) + #define SWAPPER_RX_MMUFLAGS (SWAPPER_RW_MMUFLAGS | PMD_SECT_RDONLY) #else - #define SWAPPER_MM_MMUFLAGS (PTE_ATTRINDX(MT_NORMAL) | SWAPPER_PTE_FLAGS) + #define SWAPPER_RW_MMUFLAGS (PTE_ATTRINDX(MT_NORMAL) | SWAPPER_PTE_FLAGS) + #define SWAPPER_RX_MMUFLAGS (SWAPPER_RW_MMUFLAGS | PTE_RDONLY) #endif

/* diff --cc arch/x86/Kconfig index 0dab2ce4f98b,e31840edd90e..f51dd2da4582 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@@ -277,7 -277,9 +277,8 @@@ config X8 select SYSCTL_EXCEPTION_TRACE select THREAD_INFO_IN_TASK select TRACE_IRQFLAGS_SUPPORT + select TRACE_IRQFLAGS_NMI_SUPPORT select USER_STACKTRACE_SUPPORT - select VIRT_TO_BUS select HAVE_ARCH_KCSAN if X86_64 select X86_FEATURE_NAMES if PROC_FS select PROC_PID_ARCH_STATUS if PROC_FS </cut>