# git rev-parse -q --verify cff229491af5df946781edfbeafd43e9cf66a3b4^{commit} cff229491af5df946781edfbeafd43e9cf66a3b4 already have revision, skipping fetch # git checkout -q -f -B kisskb cff229491af5df946781edfbeafd43e9cf66a3b4 # git clean -qxdf # < git log -1 # commit cff229491af5df946781edfbeafd43e9cf66a3b4 # Merge: 13775dacca5c b9fd04262a8a # Author: Linus Torvalds # Date: Mon Oct 22 18:16:03 2018 +0100 # # Merge tag 'dma-mapping-4.20' of git://git.infradead.org/users/hch/dma-mapping # # Pull dma mapping updates from Christoph Hellwig: # "First batch of dma-mapping changes for 4.20. # # There will be a second PR as some big changes were only applied just # before the end of the merge window, and I want to give them a few more # days in linux-next. # # Summary: # # - mostly more consolidation of the direct mapping code, including # converting over hexagon, and merging the coherent and non-coherent # code into a single dma_map_ops instance (me) # # - cleanups for the dma_configure/dma_unconfigure callchains (me) # # - better handling of dma_masks in odd setups (me, Alexander Duyck) # # - better debugging of passing vmalloc address to the DMA API (Stephen # Boyd) # # - CMA command line parsing fix (He Zhe)" # # * tag 'dma-mapping-4.20' of git://git.infradead.org/users/hch/dma-mapping: (27 commits) # dma-direct: respect DMA_ATTR_NO_WARN # dma-mapping: translate __GFP_NOFAIL to DMA_ATTR_NO_WARN # dma-direct: document the zone selection logic # dma-debug: Check for drivers mapping invalid addresses in dma_map_single() # dma-direct: fix return value of dma_direct_supported # dma-mapping: move dma_default_get_required_mask under ifdef # dma-direct: always allow dma mask <= physiscal memory size # dma-direct: implement complete bus_dma_mask handling # dma-direct: refine dma_direct_alloc zone selection # dma-direct: add an explicit dma_direct_get_required_mask # dma-mapping: make the get_required_mask method available unconditionally # unicore32: remove swiotlb support # Revert "dma-mapping: clear dev->dma_ops in arch_teardown_dma_ops" # dma-mapping: support non-coherent devices in dma_common_get_sgtable # dma-mapping: consolidate the dma mmap implementations # dma-mapping: merge direct and noncoherent ops # dma-mapping: move the dma_coherent flag to struct device # MIPS: don't select DMA_MAYBE_COHERENT from DMA_PERDEV_COHERENT # dma-mapping: add the missing ARCH_HAS_SYNC_DMA_FOR_CPU_ALL declaration # dma-mapping: fix panic caused by passing empty cma command line argument # ... # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 cff229491af5df946781edfbeafd43e9cf66a3b4 # < make -s -j 8 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- randconfig KCONFIG_SEED=0xC275CB0C # Added to kconfig CONFIG_STANDALONE=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_GCC_PLUGIN_CYC_COMPLEXITY=n # Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n # Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n # yes \n | make -s -j 8 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 8 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1256:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq': /kisskb/src/arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:185:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1433:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] fs/dlm/lock.o: warning: objtool: _remove_from_waiters()+0x10e: unreachable instruction /kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap': /kisskb/src/arch/x86/kernel/e820.c:651:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/hw_breakpoint.c: In function 'hw_breakpoint_arch_parse': /kisskb/src/arch/x86/kernel/hw_breakpoint.c:366:18: warning: 'align' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c: In function 'process_extent_item.isra.5': /kisskb/src/fs/btrfs/ref-verify.c:503:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c: In function 'process_leaf.isra.6': /kisskb/src/fs/btrfs/ref-verify.c:555:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/file.c: In function 'f2fs_precache_extents': /kisskb/src/fs/f2fs/file.c:2871:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2511:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1833:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bridge/br_netlink.c: In function 'br_process_vlan_info.isra.27': /kisskb/src/net/bridge/br_netlink.c:589:10: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_replace': /kisskb/src/drivers/dma-buf/reservation.c:208:2: warning: 'k' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c:211:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/firmware/google/coreboot_table.c: In function 'coreboot_table_init': /kisskb/src/drivers/firmware/google/coreboot_table.c:102:9: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/ncsi/ncsi-manage.c: In function 'set_one_vid': /kisskb/src/net/ncsi/ncsi-manage.c:625:19: warning: 'vid' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_handle_pwr_constr.isra.35': /kisskb/src/net/mac80211/mlme.c:1508:6: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mesh_pathtbl.c: In function 'mesh_path_add': /kisskb/src/net/mac80211/mesh_pathtbl.c:417:28: warning: 'new_mpath' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/i2c/i2c-core-base.c: In function 'i2c_generic_scl_recovery': /kisskb/src/drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/lightnvm/core.c: In function 'nvm_get_bb_meta': /kisskb/src/drivers/lightnvm/core.c:977:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvme/host/lightnvm.c: In function 'nvme_nvm_get_chk_meta': /kisskb/src/drivers/nvme/host/lightnvm.c:580:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/proximity/isl29501.c: In function 'isl29501_register_write': /kisskb/src/drivers/iio/proximity/isl29501.c:253:34: warning: 'msb' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/scripts/unifdef.c: In function 'Mpass': /kisskb/src/scripts/unifdef.c:453:28: warning: 'strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation] static void Mpass (void) { strncpy(keyword, "if ", 4); Pelif(); } ^~~~~~~~~~~~~~~~~~~~~~~~~~~ Completed OK # rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64 # Build took: 0:13:07.991670