# git rev-parse -q --verify 6cad420cc695867b4ca710bac21fde21a4102e4b^{commit} # git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master # git rev-parse -q --verify 6cad420cc695867b4ca710bac21fde21a4102e4b^{commit} 6cad420cc695867b4ca710bac21fde21a4102e4b # git checkout -q -f -B kisskb 6cad420cc695867b4ca710bac21fde21a4102e4b # git clean -qxdf # < git log -1 # commit 6cad420cc695867b4ca710bac21fde21a4102e4b # Merge: 7be97138e727 77d6b9094819 # Author: Linus Torvalds # Date: Thu Apr 2 13:55:34 2020 -0700 # # Merge branch 'akpm' (patches from Andrew) # # Merge updates from Andrew Morton: # "A large amount of MM, plenty more to come. # # Subsystems affected by this patch series: # - tools # - kthread # - kbuild # - scripts # - ocfs2 # - vfs # - mm: slub, kmemleak, pagecache, gup, swap, memcg, pagemap, mremap, # sparsemem, kasan, pagealloc, vmscan, compaction, mempolicy, # hugetlbfs, hugetlb" # # * emailed patches from Andrew Morton : (155 commits) # include/linux/huge_mm.h: check PageTail in hpage_nr_pages even when !THP # mm/hugetlb: fix build failure with HUGETLB_PAGE but not HUGEBTLBFS # selftests/vm: fix map_hugetlb length used for testing read and write # mm/hugetlb: remove unnecessary memory fetch in PageHeadHuge() # mm/hugetlb.c: clean code by removing unnecessary initialization # hugetlb_cgroup: add hugetlb_cgroup reservation docs # hugetlb_cgroup: add hugetlb_cgroup reservation tests # hugetlb: support file_region coalescing again # hugetlb_cgroup: support noreserve mappings # hugetlb_cgroup: add accounting for shared mappings # hugetlb: disable region_add file_region coalescing # hugetlb_cgroup: add reservation accounting for private mappings # mm/hugetlb_cgroup: fix hugetlb_cgroup migration # hugetlb_cgroup: add interface for charge/uncharge hugetlb reservations # hugetlb_cgroup: add hugetlb_cgroup reservation counter # hugetlbfs: Use i_mmap_rwsem to address page fault/truncate race # hugetlbfs: use i_mmap_rwsem for more pmd sharing synchronization # mm/memblock.c: remove redundant assignment to variable max_addr # mm: mempolicy: require at least one nodeid for MPOL_PREFERRED # mm: mempolicy: use VM_BUG_ON_VMA in queue_pages_test_walk() # ... # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version # < git log --format=%s --max-count=1 6cad420cc695867b4ca710bac21fde21a4102e4b # < make -s -j 10 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- randconfig KCONFIG_SEED=0xA8ABEBF7 WARNING: unmet direct dependencies detected for ATA Depends on [n]: HAS_IOMEM [=y] && BLOCK [=n] Selected by [y]: - AKEBONO [=y] && PPC_47x [=y] WARNING: unmet direct dependencies detected for NETDEVICES Depends on [n]: NET [=n] Selected by [y]: - AKEBONO [=y] && PPC_47x [=y] WARNING: unmet direct dependencies detected for ETHERNET Depends on [n]: NETDEVICES [=y] && NET [=n] Selected by [y]: - AKEBONO [=y] && PPC_47x [=y] WARNING: unmet direct dependencies detected for HOTPLUG_CPU Depends on [n]: SMP [=y] && (PPC_PSERIES [=n] || PPC_PMAC [=n] || PPC_POWERNV [=n] || FSL_SOC_BOOKE [=n]) Selected by [y]: - PM_SLEEP_SMP [=y] && SMP [=y] && (ARCH_SUSPEND_POSSIBLE [=y] || ARCH_HIBERNATION_POSSIBLE [=y]) && PM_SLEEP [=y] WARNING: unmet direct dependencies detected for PTP_1588_CLOCK_PCH Depends on [n]: (X86_32 || COMPILE_TEST [=y]) && HAS_IOMEM [=y] && NET [=n] Selected by [y]: - PCH_GBE [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_OKI [=y] && PCI [=y] && (X86_32 || COMPILE_TEST [=y]) WARNING: unmet direct dependencies detected for NET_PTP_CLASSIFY Depends on [n]: NET [=n] Selected by [y]: - PCH_GBE [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_OKI [=y] && PCI [=y] && (X86_32 || COMPILE_TEST [=y]) WARNING: unmet direct dependencies detected for NET_DEVLINK Depends on [n]: NET [=n] Selected by [y]: - ICE [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_INTEL [=y] && PCI_MSI [=y] - MLX5_CORE [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_MELLANOX [=y] && PCI [=y] - MLXSW_CORE [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_MELLANOX [=y] - MLXFW [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_MELLANOX [=y] WARNING: unmet direct dependencies detected for PAGE_POOL Depends on [n]: NET [=n] Selected by [y]: - TI_CPSW [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_TI [=y] && (ARCH_DAVINCI || ARCH_OMAP2PLUS || COMPILE_TEST [=y]) WARNING: unmet direct dependencies detected for FAILOVER Depends on [n]: NET [=n] Selected by [y]: - NET_FAILOVER [=y] && NETDEVICES [=y] # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_CPU_BIG_ENDIAN=y # Added to kconfig CONFIG_PPC64=y # Added to kconfig CONFIG_PPC_DISABLE_WERROR=y # Added to kconfig CONFIG_SECTION_MISMATCH_WARN_ONLY=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_LD_HEAD_STUB_CATCH=y # Added to kconfig CONFIG_TRIM_UNUSED_KSYMS=n # Added to kconfig CONFIG_UBSAN=n # < make -s -j 10 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- help # make -s -j 10 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- olddefconfig .config:4985:warning: override: reassigning to symbol PPC64 .config:4986:warning: override: reassigning to symbol PPC_DISABLE_WERROR .config:4988:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD WARNING: unmet direct dependencies detected for HOTPLUG_PCI_POWERNV Depends on [n]: PCI [=y] && HOTPLUG_PCI [=n] && PPC_POWERNV [=y] && EEH [=y] Selected by [y]: - OCXL [=y] && PPC_POWERNV [=y] && PCI [=y] && EEH [=y] # make -s -j 10 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- WARNING: unmet direct dependencies detected for HOTPLUG_PCI_POWERNV Depends on [n]: PCI [=y] && HOTPLUG_PCI [=n] && PPC_POWERNV [=y] && EEH [=y] Selected by [y]: - OCXL [=y] && PPC_POWERNV [=y] && PCI [=y] && EEH [=y] WARNING: unmet direct dependencies detected for HOTPLUG_PCI_POWERNV Depends on [n]: PCI [=y] && HOTPLUG_PCI [=n] && PPC_POWERNV [=y] && EEH [=y] Selected by [y]: - OCXL [=y] && PPC_POWERNV [=y] && PCI [=y] && EEH [=y] WARNING: unmet direct dependencies detected for HOTPLUG_PCI_POWERNV Depends on [n]: PCI [=y] && HOTPLUG_PCI [=n] && PPC_POWERNV [=y] && EEH [=y] Selected by [y]: - OCXL [=y] && PPC_POWERNV [=y] && PCI [=y] && EEH [=y] /kisskb/src/kernel/sched/core.c: In function 'try_to_wake_up': /kisskb/src/kernel/sched/core.c:2642:12: warning: 'cpu' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:72:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:401:21: note: 'pdeo' was declared here /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/mm/slice.c: In function 'slice_get_unmapped_area': /kisskb/src/arch/powerpc/mm/slice.c:639:1: warning: the frame size of 1040 bytes is larger than 1024 bytes [-Wframe-larger-than=] /kisskb/src/kernel/trace/trace_events.c: In function 'event_create_dir': /kisskb/src/kernel/trace/trace_events.c:2040:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/test_objagg.c: In function 'test_hints_case.constprop.3': /kisskb/src/lib/test_objagg.c:994:1: warning: the frame size of 1056 bytes is larger than 1024 bytes [-Wframe-larger-than=] /kisskb/src/drivers/iommu/io-pgtable-arm-v7s.c: In function '__arm_v7s_map.constprop.7': /kisskb/src/drivers/iommu/io-pgtable-arm-v7s.c:480:7: warning: 'cptep' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/io_uring.c: In function '__io_sqe_files_update': /kisskb/src/fs/io_uring.c:6617:13: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/seccomp.c: In function '__seccomp_filter': /kisskb/src/kernel/seccomp.c:930:1: warning: no return statement in function returning non-void [-Wreturn-type] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1859:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2598:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/vfio/pci/vfio_pci_nvlink2.c: In function 'vfio_pci_nvgpu_release': /kisskb/src/drivers/vfio/pci/vfio_pci_nvlink2.c:101:4: error: implicit declaration of function 'mm_iommu_put' [-Werror=implicit-function-declaration] /kisskb/src/drivers/vfio/pci/vfio_pci_nvlink2.c: In function 'vfio_pci_nvgpu_mmap': /kisskb/src/drivers/vfio/pci/vfio_pci_nvlink2.c:165:2: error: implicit declaration of function 'mm_iommu_newdev' [-Werror=implicit-function-declaration] cc1: some warnings being treated as errors make[4]: *** [/kisskb/src/scripts/Makefile.build:268: drivers/vfio/pci/vfio_pci_nvlink2.o] Error 1 make[3]: *** [/kisskb/src/scripts/Makefile.build:505: drivers/vfio/pci] Error 2 make[2]: *** [/kisskb/src/scripts/Makefile.build:505: drivers/vfio] Error 2 make[2]: *** Waiting for unfinished jobs.... /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_mst_dsc_aux_for_port': /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c:5497:9: warning: missing braces around initializer [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c:5497:9: warning: (near initialization for 'desc.ident') [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c: In function 'gk104_top_oneinit': /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c:104:1: warning: 'inst' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c:104:1: warning: 'type' may be used uninitialized in this function [-Wuninitialized] make[1]: *** [/kisskb/src/Makefile:1702: drivers] Error 2 make: *** [Makefile:180: sub-make] Error 2 Command 'make -s -j 10 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.6 # Build took: 0:03:42.036955