# git rev-parse -q --verify f098062ea2e4884a5cd42dee46d5b7cba8c99e22^{commit} f098062ea2e4884a5cd42dee46d5b7cba8c99e22 already have revision, skipping fetch # git checkout -q -f -B kisskb f098062ea2e4884a5cd42dee46d5b7cba8c99e22 # git clean -qxdf # git log -1 commit f098062ea2e4884a5cd42dee46d5b7cba8c99e22 Author: Nicholas Piggin Date: Wed Jan 17 23:58:18 2018 +1000 powerpc/64s: Improve RFI L1-D cache flush fallback The fallback RFI flush is used when firmware does not provide a way to flush the cache. It's a "displacement flush" that evicts useful data by displacing it with an uninteresting buffer. The flush has to take care to work with implementation specific cache replacment policies, so the recipe has been in flux. The initial slow but conservative approach is to touch all lines of a congruence class, with dependencies between each load. It has since been determined that a linear pattern of loads without dependencies is sufficient, and is significantly faster. Measuring the speed of a null syscall with RFI fallback flush enabled gives the relative improvement: P8 - 1.83x P9 - 1.75x The flush also becomes simpler and more adaptable to different cache geometries. Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 f098062ea2e4884a5cd42dee46d5b7cba8c99e22 # < make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_allmodconfig+64K_PAGES_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- allmodconfig # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_SAMPLES=n # Added to kconfig CONFIG_PPC_4K_PAGES=n # Added to kconfig CONFIG_PPC_64K_PAGES=y # yes \n | make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_allmodconfig+64K_PAGES_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- oldconfig yes: standard output: Broken pipe yes: write error # make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_allmodconfig+64K_PAGES_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- make[1]: Entering directory '/home/kisskb/slave/build/powerpc-next_allmodconfig+64K_PAGES_powerpc' GEN ./Makefile scripts/kconfig/conf --silentoldconfig Kconfig CHK include/config/kernel.release GEN ./Makefile WRAP arch/powerpc/include/generated/uapi/asm/param.h WRAP arch/powerpc/include/generated/uapi/asm/poll.h WRAP arch/powerpc/include/generated/uapi/asm/resource.h WRAP arch/powerpc/include/generated/uapi/asm/sockios.h WRAP arch/powerpc/include/generated/uapi/asm/statfs.h CHK include/generated/uapi/linux/version.h UPD include/generated/uapi/linux/version.h HOSTCC scripts/basic/bin2c UPD include/config/kernel.release Using /home/kisskb/slave/src as source for kernel WRAP arch/powerpc/include/generated/asm/div64.h WRAP arch/powerpc/include/generated/asm/clkdev.h WRAP arch/powerpc/include/generated/asm/irq_work.h WRAP arch/powerpc/include/generated/asm/mcs_spinlock.h WRAP arch/powerpc/include/generated/asm/irq_regs.h WRAP arch/powerpc/include/generated/asm/rwsem.h WRAP arch/powerpc/include/generated/asm/export.h WRAP arch/powerpc/include/generated/asm/preempt.h WRAP arch/powerpc/include/generated/asm/local64.h WRAP arch/powerpc/include/generated/asm/msi.h WRAP arch/powerpc/include/generated/asm/vtime.h CHK include/generated/utsrelease.h UPD include/generated/utsrelease.h HOSTCC scripts/pnmtologo HOSTCC scripts/sortextable HOSTCC scripts/insert-sys-cert HOSTCC scripts/asn1_compiler HOSTCC scripts/extract-cert HOSTCC scripts/conmakehash HOSTCC scripts/kallsyms HOSTCC scripts/dtc/dtc.o HOSTCC scripts/dtc/livetree.o HOSTCC scripts/dtc/flattree.o HOSTCC scripts/dtc/fstree.o HOSTCC scripts/dtc/data.o HOSTCC scripts/dtc/treesource.o HOSTCC scripts/dtc/util.o HOSTCC scripts/dtc/srcpos.o SHIPPED scripts/dtc/dtc-parser.tab.c SHIPPED scripts/genksyms/parse.tab.h SHIPPED scripts/genksyms/lex.lex.c SHIPPED scripts/dtc/dtc-lexer.lex.c SHIPPED scripts/genksyms/parse.tab.c CC scripts/mod/empty.o HOSTCC scripts/mod/mk_elfconfig CC scripts/mod/devicetable-offsets.s HOSTCC scripts/dtc/checks.o HOSTCC scripts/genksyms/genksyms.o HOSTCC scripts/selinux/mdp/mdp SHIPPED scripts/dtc/dtc-parser.tab.h HOSTCC scripts/genksyms/parse.tab.o HOSTCC scripts/genksyms/lex.lex.o HOSTCC scripts/dtc/dtc-lexer.lex.o HOSTCC scripts/dtc/dtc-parser.tab.o HOSTCC scripts/selinux/genheaders/genheaders CC kernel/bounds.s CHK include/generated/timeconst.h UPD include/generated/timeconst.h CHK scripts/mod/devicetable-offsets.h UPD scripts/mod/devicetable-offsets.h MKELF scripts/mod/elfconfig.h HOSTCC scripts/mod/modpost.o HOSTCC scripts/mod/file2alias.o HOSTCC scripts/mod/sumversion.o CHK include/generated/bounds.h UPD include/generated/bounds.h CC arch/powerpc/kernel/asm-offsets.s HOSTLD scripts/dtc/dtc CHK include/generated/asm-offsets.h HOSTLD scripts/genksyms/genksyms UPD include/generated/asm-offsets.h CALL /home/kisskb/slave/src/scripts/checksyscalls.sh HOSTLD scripts/mod/modpost CC init/main.o CHK include/generated/compile.h CC init/do_mounts.o CC init/do_mounts_initrd.o CC init/initramfs.o CC init/init_task.o HOSTCC usr/gen_init_cpio CC arch/powerpc/kernel/cputable.o CC arch/powerpc/kernel/ptrace.o CC arch/powerpc/kernel/align.o CC arch/powerpc/kernel/syscalls.o CC arch/powerpc/kernel/irq.o CC arch/powerpc/mm/fault.o CC arch/powerpc/kernel/signal_32.o CC arch/powerpc/kernel/pmc.o CC arch/powerpc/mm/mem.o CC arch/powerpc/mm/pgtable.o CC arch/powerpc/mm/init_64.o CC arch/powerpc/mm/mmap.o CPP arch/powerpc/kernel/systbl_chk.i CC arch/powerpc/kernel/idle.o CC arch/powerpc/mm/pgtable_64.o CC arch/powerpc/kernel/process.o CC arch/powerpc/kernel/vdso.o CC arch/powerpc/mm/init-common.o CC arch/powerpc/mm/mmu_context.o CC arch/powerpc/mm/pgtable-radix.o CC arch/powerpc/mm/pgtable-hash64.o CC arch/powerpc/mm/hash_utils_64.o CC arch/powerpc/mm/tlb_hash64.o CC arch/powerpc/mm/tlb-radix.o CC arch/powerpc/mm/slb.o AS arch/powerpc/mm/slb_low.o CC arch/powerpc/mm/drmem.o CC arch/powerpc/mm/hash_native_64.o CC arch/powerpc/kernel/sysfs.o CC arch/powerpc/kernel/signal.o CC arch/powerpc/mm/hugetlbpage.o CC arch/powerpc/kernel/time.o CC arch/powerpc/mm/mmu_context_book3s64.o CC arch/powerpc/mm/pgtable-book3s64.o CC arch/powerpc/kernel/cacheinfo.o CC arch/powerpc/mm/slice.o AS arch/powerpc/lib/string.o CC arch/powerpc/mm/hash64_64k.o CC arch/powerpc/mm/vphn.o CC arch/powerpc/mm/numa.o UPD include/generated/compile.h CC arch/powerpc/sysdev/mpic_msi.o CC arch/powerpc/sysdev/mpic.o CC init/version.o CC arch/powerpc/mm/hugetlbpage-hash64.o CC arch/powerpc/mm/hugetlbpage-radix.o GEN usr/initramfs_data.cpio CC arch/powerpc/kernel/prom.o CC arch/powerpc/kernel/traps.o CC arch/powerpc/lib/alloc.o CC arch/powerpc/kernel/setup-common.o AS usr/initramfs_data.o CC arch/powerpc/mm/hugepage-hash64.o CC arch/powerpc/kernel/udbg.o AS arch/powerpc/kernel/misc.o AR usr/built-in.o CC arch/powerpc/sysdev/mpic_u3msi.o CC arch/powerpc/mm/copro_fault.o CC arch/powerpc/mm/mmu_context_iommu.o CC arch/powerpc/mm/dump_linuxpagetables.o CC arch/powerpc/kernel/io.o CC arch/powerpc/kernel/dma.o CC arch/powerpc/platforms/cell/cbe_regs.o CC arch/powerpc/mm/dump_hashpagetable.o CC arch/powerpc/mm/pkeys.o AR arch/powerpc/math-emu/built-in.o AS arch/powerpc/kernel/misc_64.o CC arch/powerpc/kernel/of_platform.o CC arch/powerpc/kernel/setup_64.o CC arch/powerpc/kernel/prom_parse.o CC arch/powerpc/kernel/sys_ppc32.o CC arch/powerpc/platforms/maple/setup.o CC arch/powerpc/platforms/powermac/pic.o CC arch/powerpc/platforms/pasemi/setup.o AS arch/powerpc/platforms/powernv/opal-wrappers.o CC arch/powerpc/platforms/powernv/setup.o CC arch/powerpc/lib/code-patching.o CC arch/powerpc/platforms/pseries/lpar.o CC arch/powerpc/platforms/powernv/opal.o CC arch/powerpc/platforms/ps3/setup.o CC arch/powerpc/platforms/powernv/idle.o CC arch/powerpc/platforms/powernv/opal-async.o CC arch/powerpc/platforms/ps3/mm.o CC arch/powerpc/platforms/ps3/time.o CC arch/powerpc/platforms/powernv/opal-rtc.o CC arch/powerpc/platforms/powernv/opal-nvram.o CC arch/powerpc/kernel/signal_64.o CC arch/powerpc/platforms/powernv/opal-lpc.o CC arch/powerpc/kernel/ptrace32.o CC arch/powerpc/kernel/paca.o AR init/mounts.o CC arch/powerpc/kernel/nvram_64.o CC arch/powerpc/kernel/firmware.o CC arch/powerpc/sysdev/mpic_msgr.o CC arch/powerpc/platforms/maple/pci.o LDS arch/powerpc/kernel/vdso32/vdso32.lds CC arch/powerpc/kernel/trace/ftrace.o AR arch/powerpc/crypto/built-in.o AS [M] arch/powerpc/crypto/md5-asm.o CC arch/powerpc/sysdev/msi_bitmap.o VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o AS arch/powerpc/platforms/ps3/hvcall.o CC arch/powerpc/platforms/ps3/htab.o LDS arch/powerpc/kernel/vdso64/vdso64.lds CC [M] arch/powerpc/crypto/md5-glue.o CC arch/powerpc/kernel/watchdog.o AR init/built-in.o CC arch/powerpc/platforms/cell/interrupt.o AS arch/powerpc/net/bpf_jit_asm64.o AS arch/powerpc/kernel/vdso64/sigtramp.o CC arch/powerpc/platforms/cell/pervasive.o CC arch/powerpc/platforms/cell/iommu.o CC arch/powerpc/platforms/powermac/setup.o VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o CC arch/powerpc/kernel/hw_breakpoint.o VDSO32A arch/powerpc/kernel/vdso32/datapage.o VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o CC arch/powerpc/platforms/powernv/opal-flash.o CC arch/powerpc/xmon/xmon.o CC arch/powerpc/net/bpf_jit_comp64.o AS arch/powerpc/kernel/vdso64/gettimeofday.o AS arch/powerpc/kernel/vdso64/datapage.o AS arch/powerpc/kernel/vdso64/cacheflush.o CC arch/powerpc/kvm/book3s_exports.o AS arch/powerpc/kernel/cpu_setup_ppc970.o AS arch/powerpc/kernel/cpu_setup_pa6t.o CC arch/powerpc/platforms/pasemi/pci.o CC arch/powerpc/platforms/ps3/repository.o CC arch/powerpc/platforms/pasemi/time.o AS arch/powerpc/platforms/pseries/hvCall.o CC arch/powerpc/platforms/pasemi/idle.o VDSO32A arch/powerpc/kernel/vdso32/getcpu.o AS arch/powerpc/kernel/vdso64/note.o AS arch/powerpc/platforms/pasemi/powersave.o VDSO32A arch/powerpc/kernel/vdso32/note.o CC arch/powerpc/lib/feature-fixups.o AS arch/powerpc/kernel/vdso64/getcpu.o AS arch/powerpc/kernel/trace/ftrace_64.o CC arch/powerpc/kernel/trace/trace_clock.o CC arch/powerpc/perf/callchain.o CC arch/powerpc/platforms/pasemi/iommu.o CC arch/powerpc/sysdev/pmi.o CC arch/powerpc/sysdev/dart_iommu.o CC arch/powerpc/platforms/pseries/nvram.o AS arch/powerpc/purgatory/trampoline.o CC arch/powerpc/kernel/mce.o AS [M] arch/powerpc/crypto/sha1-powerpc-asm.o AS arch/powerpc/kernel/cpu_setup_power.o VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg CC [M] arch/powerpc/crypto/sha1.o CC arch/powerpc/platforms/ps3/interrupt.o CC arch/powerpc/kernel/mce_power.o CC arch/powerpc/platforms/pasemi/dma_lib.o CC arch/powerpc/platforms/cell/setup.o OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so CC arch/powerpc/platforms/ps3/exports.o CC kernel/fork.o AS arch/powerpc/kernel/vdso32/vdso32_wrapper.o VDSO64L arch/powerpc/kernel/vdso64/vdso64.so.dbg AS [M] arch/powerpc/crypto/crc32c-vpmsum_asm.o OBJCOPY arch/powerpc/kernel/vdso64/vdso64.so CC [M] arch/powerpc/crypto/crc32c-vpmsum_glue.o CC arch/powerpc/kernel/vecemu.o AS arch/powerpc/kernel/vdso64/vdso64_wrapper.o LD arch/powerpc/purgatory/purgatory.ro CC arch/powerpc/platforms/maple/time.o AS arch/powerpc/kernel/trace/ftrace_64_pg.o BIN2C arch/powerpc/purgatory/kexec-purgatory.c CC arch/powerpc/purgatory/kexec-purgatory.o CC arch/powerpc/platforms/pasemi/misc.o AS arch/powerpc/kernel/idle_power4.o AR arch/powerpc/kernel/vdso32/built-in.o CC arch/powerpc/platforms/ps3/system-bus.o CC arch/powerpc/platforms/ps3/os-area.o CC arch/powerpc/platforms/powernv/rng.o CC arch/powerpc/platforms/pasemi/msi.o CC arch/powerpc/platforms/ps3/gelic_udbg.o CC [M] arch/powerpc/platforms/pasemi/gpio_mdio.o AR arch/powerpc/kernel/vdso64/built-in.o CC arch/powerpc/platforms/ps3/smp.o CC arch/powerpc/platforms/powernv/opal-elog.o AR arch/powerpc/mm/built-in.o AS [M] arch/powerpc/crypto/crct10dif-vpmsum_asm.o AS arch/powerpc/kernel/idle_book3s.o CC arch/powerpc/kernel/proc_powerpc.o AR arch/powerpc/purgatory/built-in.o CC arch/powerpc/platforms/pseries/reconfig.o /home/kisskb/slave/src/arch/powerpc/xmon/xmon.c: In function 'dump_one_paca': /home/kisskb/slave/src/arch/powerpc/xmon/xmon.c:2380:2: error: 'struct paca_struct' has no member named 'l1d_flush_congruence' /home/kisskb/slave/src/arch/powerpc/xmon/xmon.c:2380:2: error: 'struct paca_struct' has no member named 'l1d_flush_congruence' /home/kisskb/slave/src/arch/powerpc/xmon/xmon.c:2381:2: error: 'struct paca_struct' has no member named 'l1d_flush_sets' /home/kisskb/slave/src/arch/powerpc/xmon/xmon.c:2381:2: error: 'struct paca_struct' has no member named 'l1d_flush_sets' CC arch/powerpc/kernel/rtas.o CC arch/powerpc/kernel/rtas-rtc.o CC arch/powerpc/platforms/powermac/time.o AS arch/powerpc/lib/checksum_64.o AR arch/powerpc/kernel/trace/built-in.o CC arch/powerpc/platforms/ps3/spu.o CC arch/powerpc/platforms/powernv/opal-dump.o /home/kisskb/slave/src/scripts/Makefile.build:310: recipe for target 'arch/powerpc/xmon/xmon.o' failed make[2]: *** [arch/powerpc/xmon/xmon.o] Error 1 /home/kisskb/slave/src/Makefile:1012: recipe for target 'arch/powerpc/xmon' failed make[1]: *** [arch/powerpc/xmon] Error 2 make[1]: *** Waiting for unfinished jobs.... CC arch/powerpc/kernel/rtas_pci.o CC arch/powerpc/perf/perf_regs.o CC certs/system_keyring.o CC arch/powerpc/platforms/powernv/opal-sysparam.o CC [M] arch/powerpc/crypto/crct10dif-vpmsum_glue.o CC arch/powerpc/kernel/rtasd.o CC arch/powerpc/platforms/powernv/opal-sensor.o CC arch/powerpc/perf/core-book3s.o CC arch/powerpc/platforms/pseries/of_helpers.o CC arch/powerpc/perf/imc-pmu.o AS arch/powerpc/perf/bhrb.o CC arch/powerpc/kvm/book3s_64_vio_hv.o CC arch/powerpc/platforms/cell/spider-pic.o CC arch/powerpc/sysdev/mmio_nvram.o CC arch/powerpc/kernel/dt_cpu_ftrs.o CC arch/powerpc/kernel/rtas-proc.o CC arch/powerpc/sysdev/fsl_lbc.o CC arch/powerpc/sysdev/simple_gpio.o CC [M] arch/powerpc/crypto/crc-vpmsum_test.o CC arch/powerpc/perf/hv-24x7.o CC arch/powerpc/kernel/eeh.o CC arch/powerpc/platforms/ps3/device-init.o CC arch/powerpc/kernel/eeh_pe.o CC arch/powerpc/lib/checksum_wrappers.o CC kernel/exec_domain.o CC arch/powerpc/platforms/powermac/feature.o CC arch/powerpc/platforms/powernv/opal-msglog.o CC arch/powerpc/platforms/powermac/pci.o CC arch/powerpc/platforms/cell/pmu.o CC arch/powerpc/kernel/eeh_dev.o EXTRACT_CERTS AR arch/powerpc/platforms/maple/built-in.o CC certs/blacklist.o CC certs/blacklist_nohashes.o LD [M] arch/powerpc/crypto/md5-ppc.o AS certs/system_certificates.o LD [M] arch/powerpc/crypto/sha1-powerpc.o CC arch/powerpc/perf/hv-gpci.o CC arch/powerpc/platforms/cell/spider-pci.o LD [M] arch/powerpc/crypto/crc32c-vpmsum.o CC arch/powerpc/platforms/powernv/opal-hmi.o AR arch/powerpc/platforms/pasemi/built-in.o CC arch/powerpc/platforms/powernv/opal-power.o CC arch/powerpc/kernel/eeh_driver.o CC arch/powerpc/kernel/eeh_cache.o CC arch/powerpc/kernel/eeh_event.o CC arch/powerpc/platforms/powernv/opal-irqchip.o CC arch/powerpc/kernel/eeh_sysfs.o CC arch/powerpc/kernel/smp-tbsync.o AS arch/powerpc/kvm/book3s_rmhandlers.o CC arch/powerpc/platforms/powernv/opal-kmsg.o CC arch/powerpc/kvm/book3s_hv_hmi.o CC arch/powerpc/sysdev/i8259.o LD [M] arch/powerpc/crypto/crct10dif-vpmsum.o CC arch/powerpc/platforms/cell/ras.o CC arch/powerpc/platforms/cell/smp.o CC arch/powerpc/platforms/powernv/opal-powercap.o CC arch/powerpc/kvm/book3s_hv_rm_mmu.o AS arch/powerpc/kvm/book3s_hv_rmhandlers.o CC arch/powerpc/lib/sstep.o CC arch/powerpc/platforms/powernv/opal-psr.o AR arch/powerpc/net/built-in.o CC kernel/panic.o CC arch/powerpc/kernel/crash_dump.o CC arch/powerpc/platforms/pseries/setup.o CC arch/powerpc/sysdev/dcr.o CC kernel/cpu.o CC arch/powerpc/sysdev/scom.o CC arch/powerpc/kvm/book3s_hv_ras.o CC arch/powerpc/platforms/powernv/opal-sensor-groups.o CC arch/powerpc/platforms/pseries/iommu.o CC arch/powerpc/perf/hv-common.o CC arch/powerpc/kvm/book3s_hv_builtin.o CC arch/powerpc/kernel/fadump.o CC arch/powerpc/kernel/swsusp.o CC arch/powerpc/platforms/powernv/smp.o CC arch/powerpc/kernel/suspend.o /home/kisskb/slave/src/arch/powerpc/platforms/ps3/device-init.c: In function 'ps3_probe_thread': /home/kisskb/slave/src/arch/powerpc/platforms/ps3/device-init.c:886:1: warning: the frame size of 2112 bytes is larger than 2048 bytes [-Wframe-larger-than=] CC arch/powerpc/kernel/swsusp_64.o CC arch/powerpc/sysdev/xics/xics-common.o CC arch/powerpc/kvm/book3s_hv_rm_xics.o CC arch/powerpc/kernel/module.o CC arch/powerpc/sysdev/xics/icp-native.o CC arch/powerpc/sysdev/xive/common.o CC arch/powerpc/platforms/powernv/subcore.o AS arch/powerpc/platforms/powernv/subcore-asm.o CC arch/powerpc/kernel/module_64.o CC arch/powerpc/platforms/powernv/pci.o CC [M] arch/powerpc/sysdev/rtc_cmos_setup.o AR certs/built-in.o CC arch/powerpc/platforms/powernv/pci-ioda.o CC arch/powerpc/kernel/dbell.o CC arch/powerpc/platforms/powernv/npu-dma.o CC arch/powerpc/kernel/jump_label.o CC arch/powerpc/platforms/powernv/pci-cxl.o CC arch/powerpc/perf/power4-pmu.o AS arch/powerpc/platforms/powermac/sleep.o CC arch/powerpc/platforms/powermac/low_i2c.o CC arch/powerpc/kvm/book3s_hv_rm_xive.o CC arch/powerpc/perf/ppc970-pmu.o CC arch/powerpc/platforms/cell/spu_base.o CC arch/powerpc/platforms/cell/spu_callbacks.o AS arch/powerpc/kernel/reloc_64.o AR arch/powerpc/platforms/ps3/built-in.o CC arch/powerpc/perf/power5-pmu.o CC [M] arch/powerpc/kvm/../../../virt/kvm/kvm_main.o CC arch/powerpc/kernel/dma-iommu.o CC arch/powerpc/platforms/powernv/eeh-powernv.o CC [M] arch/powerpc/sysdev/axonram.o CC arch/powerpc/kernel/iommu.o CC arch/powerpc/platforms/cell/spu_notify.o AS arch/powerpc/platforms/powermac/cache.o CC arch/powerpc/kernel/kgdb.o CC arch/powerpc/kernel/btext.o CC arch/powerpc/platforms/powernv/opal-xscom.o CC arch/powerpc/perf/power6-pmu.o CC arch/powerpc/perf/power5+-pmu.o CC arch/powerpc/perf/power7-pmu.o CC arch/powerpc/kernel/smp.o CC arch/powerpc/kernel/kprobes.o CC arch/powerpc/kernel/optprobes.o CC kernel/exit.o AS arch/powerpc/kernel/optprobes_head.o CC arch/powerpc/kernel/uprobes.o CC arch/powerpc/kernel/legacy_serial.o CC arch/powerpc/kernel/udbg_16550.o CC arch/powerpc/kernel/stacktrace.o CC arch/powerpc/platforms/powernv/opal-memory-errors.o CC arch/powerpc/kernel/dma-swiotlb.o CC arch/powerpc/perf/isa207-common.o CC [M] arch/powerpc/kvm/../../../virt/kvm/eventfd.o CC [M] arch/powerpc/kvm/../../../virt/kvm/vfio.o CC arch/powerpc/kernel/pci_64.o CC arch/powerpc/platforms/powernv/opal-tracepoints.o CC arch/powerpc/kernel/pci_dn.o CC arch/powerpc/platforms/powernv/opal-imc.o CC arch/powerpc/sysdev/xics/icp-hv.o CC arch/powerpc/perf/power8-pmu.o CC arch/powerpc/kernel/pci-hotplug.o CC arch/powerpc/kernel/isa-bridge.o CC arch/powerpc/kernel/pci-common.o CC arch/powerpc/perf/power9-pmu.o CC [M] arch/powerpc/kvm/../../../virt/kvm/coalesced_mmio.o CC arch/powerpc/platforms/cell/spu_syscalls.o CC arch/powerpc/platforms/cell/spu_priv1_mmio.o CC arch/powerpc/kernel/pci_of_scan.o CC arch/powerpc/kernel/msi.o CC [M] arch/powerpc/kvm/powerpc.o CC arch/powerpc/kernel/machine_kexec.o CC arch/powerpc/platforms/powernv/memtrace.o CC arch/powerpc/platforms/powernv/vas.o CC kernel/softirq.o CC arch/powerpc/kernel/machine_kexec_64.o CC arch/powerpc/platforms/powernv/vas-window.o CC arch/powerpc/kernel/crash.o CC arch/powerpc/kernel/machine_kexec_file_64.o CC [M] arch/powerpc/kvm/emulate_loadstore.o CC arch/powerpc/kernel/kexec_elf_64.o CC arch/powerpc/sysdev/xics/ics-rtas.o CC arch/powerpc/kernel/ima_kexec.o CC arch/powerpc/platforms/powernv/vas-debug.o CC [M] arch/powerpc/kvm/book3s.o CC [M] arch/powerpc/kvm/book3s_rtas.o AS arch/powerpc/lib/ldstfp.o CC [M] arch/powerpc/platforms/powernv/opal-prd.o CC [M] arch/powerpc/kvm/book3s_xics.o CC arch/powerpc/platforms/pseries/event_sources.o AS arch/powerpc/lib/quad.o AS arch/powerpc/lib/feature-fixups-test.o CC arch/powerpc/platforms/cell/spu_manage.o CC arch/powerpc/kernel/audit.o CC arch/powerpc/lib/xor_vmx.o CC arch/powerpc/sysdev/xics/ics-opal.o CC arch/powerpc/lib/xor_vmx_glue.o CC kernel/resource.o CC arch/powerpc/kernel/io-workarounds.o CC arch/powerpc/sysdev/xics/icp-opal.o CC arch/powerpc/sysdev/xive/native.o AS arch/powerpc/kernel/swsusp_asm64.o CC arch/powerpc/kernel/compat_audit.o AR arch/powerpc/platforms/cell/spufs/built-in.o AR arch/powerpc/perf/built-in.o CC arch/powerpc/platforms/cell/axon_msi.o CC [M] arch/powerpc/platforms/cell/spufs/inode.o AS arch/powerpc/kernel/tm.o AS arch/powerpc/kernel/ppc_save_regs.o CC arch/powerpc/sysdev/xive/spapr.o CC arch/powerpc/kernel/epapr_paravirt.o AS arch/powerpc/kernel/epapr_hcalls.o CC arch/powerpc/kernel/kvm.o AS arch/powerpc/kernel/kvm_emul.o CC arch/powerpc/kernel/prom_init.o AS arch/powerpc/kernel/head_64.o CC [M] arch/powerpc/kvm/book3s_xive.o LDS arch/powerpc/kernel/vmlinux.lds AS arch/powerpc/kernel/vector.o AS arch/powerpc/kernel/fpu.o AS arch/powerpc/kernel/entry_64.o AS arch/powerpc/lib/copypage_64.o CC [M] arch/powerpc/kvm/book3s_64_vio.o CC [M] arch/powerpc/platforms/cell/cbe_thermal.o CC arch/powerpc/platforms/powermac/pfunc_core.o CC [M] arch/powerpc/kernel/rtas_flash.o CALL /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh AS [M] arch/powerpc/kvm/fpu.o CC arch/powerpc/platforms/pseries/ras.o AS arch/powerpc/lib/copyuser_64.o CC [M] arch/powerpc/platforms/cell/spufs/file.o CC [M] arch/powerpc/kvm/emulate.o AS arch/powerpc/kernel/systbl.o CC [M] arch/powerpc/platforms/cell/spufs/context.o CC arch/powerpc/platforms/pseries/firmware.o CC [M] arch/powerpc/kvm/book3s_paired_singles.o CC kernel/sysctl.o CC [M] arch/powerpc/kvm/book3s_pr.o CC [M] arch/powerpc/kvm/book3s_pr_papr.o CC arch/powerpc/platforms/pseries/dlpar.o CC arch/powerpc/platforms/pseries/power.o AS arch/powerpc/lib/mem_64.o CC kernel/sysctl_binary.o AS arch/powerpc/lib/hweight_64.o CC kernel/capability.o AS arch/powerpc/lib/copyuser_power7.o CC kernel/ptrace.o AS arch/powerpc/lib/string_64.o CC [M] arch/powerpc/platforms/cell/spufs/syscalls.o CC [M] arch/powerpc/platforms/cell/cpufreq_spudemand.o CC arch/powerpc/platforms/powermac/pfunc_base.o CC [M] arch/powerpc/platforms/cell/spufs/sched.o CC [M] arch/powerpc/platforms/cell/spufs/backing_ops.o AS arch/powerpc/lib/copypage_power7.o CC [M] arch/powerpc/platforms/cell/cbe_powerbutton.o AS arch/powerpc/lib/memcpy_power7.o AS arch/powerpc/lib/memcpy_64.o AR arch/powerpc/sysdev/xics/built-in.o AS arch/powerpc/lib/memcmp_64.o CC arch/powerpc/lib/pmem.o CC arch/powerpc/lib/locks.o CC arch/powerpc/lib/vmx-helper.o CC arch/powerpc/lib/test_emulate_step.o AS arch/powerpc/lib/crtsavres.o CC kernel/user.o CC arch/powerpc/platforms/pseries/mobility.o CC arch/powerpc/platforms/powermac/udbg_scc.o AS [M] arch/powerpc/kvm/book3s_interrupts.o CC [M] arch/powerpc/kvm/book3s_emulate.o CC [M] arch/powerpc/kvm/book3s_mmu_hpte.o CC kernel/signal.o CC kernel/sys.o CC [M] arch/powerpc/platforms/cell/spufs/hw_ops.o CC [M] arch/powerpc/kvm/book3s_64_mmu_host.o CC [M] arch/powerpc/platforms/cell/spufs/run.o CC [M] arch/powerpc/kvm/book3s_64_mmu.o CC kernel/umh.o CC [M] arch/powerpc/kvm/book3s_32_mmu.o CC [M] arch/powerpc/platforms/cell/spufs/gang.o CC [M] arch/powerpc/kvm/book3s_hv.o AS [M] arch/powerpc/kvm/book3s_hv_interrupts.o AR arch/powerpc/sysdev/xive/built-in.o CC arch/powerpc/platforms/pseries/rng.o AR arch/powerpc/sysdev/built-in.o CC arch/powerpc/platforms/pseries/pci.o CC arch/powerpc/platforms/powermac/udbg_adb.o CC [M] arch/powerpc/kvm/book3s_64_mmu_hv.o CC arch/powerpc/platforms/pseries/pci_dlpar.o CC [M] arch/powerpc/kvm/book3s_64_mmu_radix.o CC arch/powerpc/platforms/pseries/eeh_pseries.o CC arch/powerpc/platforms/powermac/nvram.o CC arch/powerpc/platforms/powermac/smp.o SHIPPED arch/powerpc/platforms/cell/spufs/spu_save_dump.h CC kernel/workqueue.o AR arch/powerpc/kvm/built-in.o AR arch/powerpc/platforms/powernv/built-in.o CC kernel/pid.o CC kernel/task_work.o SHIPPED arch/powerpc/platforms/cell/spufs/spu_restore_dump.h CC kernel/extable.o CC [M] arch/powerpc/platforms/cell/spufs/fault.o CC arch/powerpc/platforms/pseries/msi.o CC arch/powerpc/platforms/pseries/smp.o CALL /home/kisskb/slave/src/arch/powerpc/kernel/prom_init_check.sh CC [M] arch/powerpc/platforms/cell/spufs/lscsa_alloc.o AR arch/powerpc/kernel/built-in.o CC arch/powerpc/platforms/pseries/kexec.o CC [M] arch/powerpc/platforms/cell/spufs/coredump.o CC arch/powerpc/platforms/pseries/hotplug-cpu.o CC kernel/params.o CC [M] arch/powerpc/platforms/cell/spufs/switch.o CC arch/powerpc/platforms/pseries/hotplug-memory.o CC kernel/kthread.o CC arch/powerpc/platforms/pseries/hvconsole.o CC kernel/sys_ni.o CC arch/powerpc/platforms/pseries/hvCall_inst.o CC kernel/nsproxy.o CC arch/powerpc/platforms/pseries/dtl.o CC arch/powerpc/platforms/pseries/io_event_irq.o CC arch/powerpc/platforms/pseries/lparcfg.o CC kernel/notifier.o CC kernel/ksysfs.o CC arch/powerpc/platforms/pseries/vio.o CC arch/powerpc/platforms/pseries/ibmebus.o CC kernel/cred.o CC arch/powerpc/platforms/pseries/suspend.o CC kernel/reboot.o CC kernel/async.o AR arch/powerpc/lib/built-in.o CC [M] arch/powerpc/platforms/pseries/scanlog.o CC kernel/range.o CC kernel/smpboot.o CC [M] arch/powerpc/platforms/pseries/pseries_energy.o CC [M] arch/powerpc/platforms/pseries/hvcserver.o CC kernel/ucount.o CC [M] arch/powerpc/platforms/pseries/cmm.o CC kernel/kmod.o CC kernel/groups.o CC kernel/cgroup/cgroup.o CC kernel/bpf/core.o CC kernel/debug/debug_core.o CC kernel/events/core.o CC kernel/events/ring_buffer.o CC kernel/gcov/base.o CC kernel/cgroup/stat.o CC kernel/gcov/fs.o CC kernel/cgroup/namespace.o LD [M] arch/powerpc/kvm/kvm.o CC kernel/cgroup/cgroup-v1.o CC kernel/debug/gdbstub.o CC kernel/irq/irqdesc.o AR kernel/livepatch/built-in.o CC kernel/locking/mutex.o CC kernel/debug/kdb/kdb_io.o LD [M] arch/powerpc/kvm/kvm-pr.o CC kernel/locking/semaphore.o AR arch/powerpc/platforms/powermac/built-in.o CC kernel/locking/rwsem.o CC kernel/cgroup/freezer.o CC kernel/power/qos.o CC kernel/printk/printk.o CC kernel/printk/printk_safe.o CC kernel/rcu/sync.o CC kernel/rcu/update.o CC kernel/sched/core.o CC kernel/sched/loadavg.o CC kernel/cgroup/pids.o CC kernel/trace/trace_selftest_dynamic.o CC kernel/cgroup/rdma.o CC kernel/kcmp.o CC kernel/time/time.o CC kernel/freezer.o CC kernel/irq/handle.o CC kernel/gcov/gcc_3_4.o CC kernel/profile.o CC kernel/stacktrace.o CC kernel/futex.o CC kernel/futex_compat.o CC kernel/events/callchain.o CC kernel/events/hw_breakpoint.o /home/kisskb/slave/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /home/kisskb/slave/src/kernel/cgroup/cgroup-v1.c:1264:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] CC kernel/cgroup/cpuset.o CC kernel/events/uprobes.o CC kernel/dma.o CC kernel/printk/braille.o CC kernel/cgroup/debug.o CC kernel/irq/manage.o CC kernel/irq/spurious.o CC kernel/irq/resend.o CC kernel/irq/chip.o CC kernel/debug/kdb/kdb_main.o CC kernel/irq/dummychip.o CC kernel/irq/devres.o CC kernel/trace/trace_clock.o AR arch/powerpc/platforms/pseries/built-in.o CC kernel/trace/ring_buffer.o AR kernel/gcov/built-in.o CC kernel/trace/ftrace.o CC kernel/trace/trace.o CC kernel/power/main.o CC kernel/power/console.o CC kernel/power/process.o CC kernel/smp.o CC kernel/power/suspend.o LD [M] arch/powerpc/platforms/cell/spufs/spufs.o CC kernel/power/suspend_test.o CC kernel/power/hibernate.o CC kernel/module.o AR arch/powerpc/platforms/cell/built-in.o CC kernel/rcu/srcutree.o CC kernel/irq/generic-chip.o /home/kisskb/slave/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /home/kisskb/slave/src/kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] CC kernel/irq/irqdomain.o CC kernel/irq/irq_sim.o AR arch/powerpc/platforms/built-in.o LD [M] arch/powerpc/kvm/kvm-hv.o CC kernel/kallsyms.o CC kernel/acct.o CC kernel/bpf/syscall.o CC kernel/crash_core.o CC kernel/kexec_core.o CC kernel/kexec.o CC kernel/kexec_file.o CC kernel/compat.o CC kernel/irq/proc.o CC kernel/power/snapshot.o CC kernel/irq/cpuhotplug.o CC kernel/power/swap.o CC kernel/time/timer.o CC kernel/utsname.o CC kernel/irq/pm.o CC kernel/trace/trace_output.o CC kernel/power/user.o CC kernel/user_namespace.o CC kernel/pid_namespace.o CC kernel/bpf/verifier.o CC kernel/debug/kdb/kdb_support.o CC kernel/debug/kdb/kdb_bt.o GENKDB kernel/debug/kdb/gen-kdb_cmds.c CC kernel/debug/kdb/kdb_bp.o CC kernel/stop_machine.o CC kernel/debug/kdb/kdb_debugger.o CC kernel/irq/msi.o CC kernel/test_kprobes.o CC kernel/audit.o CC kernel/irq/affinity.o CC kernel/auditfilter.o CC kernel/irq/debugfs.o CC kernel/power/autosleep.o CC kernel/auditsc.o CC kernel/audit_watch.o CC kernel/power/wakelock.o CC kernel/locking/percpu-rwsem.o CC kernel/locking/mutex-debug.o CC kernel/debug/kdb/kdb_keyboard.o CC kernel/audit_fsnotify.o AR kernel/printk/built-in.o CC kernel/bpf/inode.o CC kernel/audit_tree.o CC kernel/kprobes.o CC kernel/debug/kdb/gen-kdb_cmds.o CC kernel/hung_task.o CC kernel/watchdog.o CC kernel/seccomp.o CC kernel/rcu/tree.o CC kernel/relay.o CC kernel/rcu/rcu_segcblist.o CC kernel/utsname_sysctl.o CC [M] kernel/rcu/rcutorture.o CC kernel/delayacct.o CC kernel/taskstats.o CC kernel/tsacct.o CC kernel/power/poweroff.o CC [M] kernel/rcu/rcuperf.o CC kernel/locking/lockdep.o CC kernel/tracepoint.o CC kernel/locking/lockdep_proc.o CC kernel/latencytop.o CC kernel/time/hrtimer.o CC kernel/trace/trace_seq.o CC kernel/bpf/helpers.o CC kernel/locking/spinlock.o CC kernel/elfcore.o CC kernel/trace/trace_stat.o CC kernel/irq_work.o CC kernel/trace/trace_printk.o CC kernel/bpf/tnum.o CC kernel/bpf/hashtab.o CC kernel/padata.o CC kernel/crash_dump.o CC kernel/locking/osq_lock.o CC kernel/jump_label.o AR kernel/irq/built-in.o CC kernel/memremap.o AR kernel/events/built-in.o CC [M] kernel/backtracetest.o GZIP kernel/config_data.gz CC [M] kernel/torture.o CC kernel/locking/rtmutex.o CHK kernel/config_data.h CC kernel/locking/rtmutex-debug.o AR kernel/debug/kdb/built-in.o UPD kernel/config_data.h CC [M] kernel/configs.o CC kernel/locking/spinlock_debug.o CC kernel/time/timekeeping.o AR kernel/debug/built-in.o CC kernel/time/ntp.o CC kernel/trace/tracing_map.o CC kernel/time/jiffies.o CC kernel/time/clocksource.o CC kernel/time/timer_list.o CC kernel/locking/rwsem-xadd.o CC kernel/time/timeconv.o CC [M] kernel/locking/locktorture.o CC kernel/bpf/arraymap.o AR kernel/power/built-in.o CC kernel/bpf/percpu_freelist.o CC kernel/sched/clock.o CC kernel/bpf/bpf_lru_list.o CC kernel/trace/trace_sched_switch.o CC kernel/time/timecounter.o CC [M] kernel/locking/test-ww_mutex.o CC kernel/time/alarmtimer.o CC kernel/trace/trace_functions.o CC kernel/bpf/lpm_trie.o CC kernel/trace/trace_irqsoff.o CC kernel/trace/trace_sched_wakeup.o CC kernel/bpf/map_in_map.o CC kernel/sched/cputime.o CC kernel/time/posix-timers.o CC kernel/sched/idle_task.o CC kernel/time/posix-cpu-timers.o CC kernel/sched/fair.o CC kernel/bpf/disasm.o CC kernel/trace/trace_hwlat.o CC kernel/time/posix-clock.o CC kernel/bpf/devmap.o AR kernel/cgroup/built-in.o CC kernel/bpf/cpumap.o CC kernel/sched/rt.o CC kernel/time/itimer.o CC kernel/sched/deadline.o CC kernel/trace/trace_nop.o CC kernel/time/clockevents.o CC kernel/time/tick-broadcast.o CC kernel/time/tick-common.o CC kernel/sched/wait.o CC kernel/time/tick-oneshot.o CC kernel/time/tick-broadcast-hrtimer.o CC kernel/trace/trace_stack.o CC kernel/time/tick-sched.o CC kernel/time/timekeeping_debug.o CC kernel/trace/trace_functions_graph.o CC kernel/bpf/offload.o CC kernel/sched/wait_bit.o CC [M] kernel/time/test_udelay.o CC kernel/bpf/sockmap.o CC kernel/bpf/stackmap.o CC kernel/bpf/cgroup.o CC kernel/sched/completion.o CC kernel/sched/swait.o CC kernel/sched/idle.o CC kernel/sched/cpupri.o CC kernel/trace/blktrace.o CC kernel/trace/trace_events.o CC kernel/trace/trace_export.o CC kernel/sched/cpudeadline.o CC kernel/trace/trace_syscalls.o CC kernel/trace/trace_event_perf.o CC kernel/trace/trace_events_filter.o CC kernel/trace/trace_events_trigger.o CC kernel/sched/topology.o CC kernel/sched/stop_task.o CC kernel/trace/trace_events_hist.o CC kernel/trace/bpf_trace.o CC kernel/sched/stats.o CC kernel/sched/autogroup.o CC kernel/trace/power-traces.o CC kernel/trace/trace_kprobe.o CC kernel/sched/debug.o CC kernel/sched/cpuacct.o CC kernel/sched/cpufreq.o CC kernel/sched/cpufreq_schedutil.o CC kernel/sched/membarrier.o CC kernel/sched/isolation.o CC kernel/trace/rpm-traces.o CC kernel/trace/trace_kdb.o CC kernel/trace/trace_probe.o CC kernel/trace/trace_benchmark.o CC kernel/trace/trace_uprobe.o CC [M] kernel/trace/ring_buffer_benchmark.o AR kernel/trace/libftrace.o AR kernel/bpf/built-in.o AR kernel/locking/built-in.o AR kernel/time/built-in.o AR kernel/rcu/built-in.o AR kernel/trace/built-in.o AR kernel/sched/built-in.o AR kernel/built-in.o make[1]: Leaving directory '/home/kisskb/slave/build/powerpc-next_allmodconfig+64K_PAGES_powerpc' Makefile:146: recipe for target 'sub-make' failed make: *** [sub-make] Error 2 Command 'make -j 48 ARCH=powerpc O=/home/kisskb/slave/build/powerpc-next_allmodconfig+64K_PAGES_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ' returned non-zero exit status 2 # rm -rf /home/kisskb/slave/build/powerpc-next_allmodconfig+64K_PAGES_powerpc # Build took: 0:00:34.681111