# git rev-parse -q --verify 7d3bf613e99abbd96ac7b90ee3694a246c975021^{commit} 7d3bf613e99abbd96ac7b90ee3694a246c975021 already have revision, skipping fetch # git checkout -q -f -B kisskb 7d3bf613e99abbd96ac7b90ee3694a246c975021 # git clean -qxdf # < git log -1 # commit 7d3bf613e99abbd96ac7b90ee3694a246c975021 # Merge: a381884 930218a # Author: Linus Torvalds # Date: Fri Jun 8 17:21:52 2018 -0700 # # Merge tag 'libnvdimm-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm # # Pull libnvdimm updates from Dan Williams: # "This adds a user for the new 'bytes-remaining' updates to # memcpy_mcsafe() that you already received through Ingo via the # x86-dax- for-linus pull. # # Not included here, but still targeting this cycle, is support for # handling memory media errors (poison) consumed via userspace dax # mappings. # # Summary: # # - DAX broke a fundamental assumption of truncate of file mapped # pages. The truncate path assumed that it is safe to disconnect a # pinned page from a file and let the filesystem reclaim the physical # block. With DAX the page is equivalent to the filesystem block. # Introduce dax_layout_busy_page() to enable filesystems to wait for # pinned DAX pages to be released. Without this wait a filesystem # could allocate blocks under active device-DMA to a new file. # # - DAX arranges for the block layer to be bypassed and uses # dax_direct_access() + copy_to_iter() to satisfy read(2) calls. # However, the memcpy_mcsafe() facility is available through the pmem # block driver. In order to safely handle media errors, via the DAX # block-layer bypass, introduce copy_to_iter_mcsafe(). # # - Fix cache management policy relative to the ACPI NFIT Platform # Capabilities Structure to properly elide cache flushes when they # are not necessary. The table indicates whether CPU caches are # power-fail protected. Clarify that a deep flush is always performed # on REQ_{FUA,PREFLUSH} requests" # # * tag 'libnvdimm-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: (21 commits) # dax: Use dax_write_cache* helpers # libnvdimm, pmem: Do not flush power-fail protected CPU caches # libnvdimm, pmem: Unconditionally deep flush on *sync # libnvdimm, pmem: Complete REQ_FLUSH => REQ_PREFLUSH # acpi, nfit: Remove ecc_unit_size # dax: dax_insert_mapping_entry always succeeds # libnvdimm, e820: Register all pmem resources # libnvdimm: Debug probe times # linvdimm, pmem: Preserve read-only setting for pmem devices # x86, nfit_test: Add unit test for memcpy_mcsafe() # pmem: Switch to copy_to_iter_mcsafe() # dax: Report bytes remaining in dax_iomap_actor() # dax: Introduce a ->copy_to_iter dax operation # uio, lib: Fix CONFIG_ARCH_HAS_UACCESS_MCSAFE compilation # xfs, dax: introduce xfs_break_dax_layouts() # xfs: prepare xfs_break_layouts() for another layout type # xfs: prepare xfs_break_layouts() to be called with XFS_MMAPLOCK_EXCL # mm, fs, dax: handle layout changes to pinned dax mappings # mm: fix __gup_device_huge vs unmap # mm: introduce MEMORY_DEVICE_FS_DAX and CONFIG_DEV_PAGEMAP_OPS # ... # < /opt/cross/kisskb/gcc-4.6.3-nolibc/m68k-linux/bin/m68k-linux-gcc --version # < git log --format=%s --max-count=1 7d3bf613e99abbd96ac7b90ee3694a246c975021 # < make -s -j 80 ARCH=m68k O=/kisskb/build/linus_sun3_defconfig_m68k CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/m68k-linux/bin/m68k-linux- sun3_defconfig WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on [n]: DISCONTIGMEM [=n] || NUMA Selected by [y]: - SINGLE_MEMORY_CHUNK [=y] && MMU [=y] WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on [n]: DISCONTIGMEM [=n] || NUMA Selected by [y]: - SINGLE_MEMORY_CHUNK [=y] && MMU [=y] # make -s -j 80 ARCH=m68k O=/kisskb/build/linus_sun3_defconfig_m68k CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/m68k-linux/bin/m68k-linux- WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on [n]: DISCONTIGMEM [=n] || NUMA Selected by [y]: - SINGLE_MEMORY_CHUNK [=y] && MMU [=y] WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on [n]: DISCONTIGMEM [=n] || NUMA Selected by [y]: - SINGLE_MEMORY_CHUNK [=y] && MMU [=y] /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. :1239:2: warning: #warning syscall seccomp not implemented [-Wcpp] :1317:2: warning: #warning syscall pkey_mprotect not implemented [-Wcpp] :1320:2: warning: #warning syscall pkey_alloc not implemented [-Wcpp] :1323:2: warning: #warning syscall pkey_free not implemented [-Wcpp] :1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp] /kisskb/src/kernel/acct.c: In function 'acct_pin_kill': /kisskb/src/kernel/acct.c:177:2: warning: value computed is not used [-Wunused-value] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/ipc/shm.c: In function 'ksys_shmdt': /kisskb/src/ipc/shm.c:1648:59: warning: 'file' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. /kisskb/src/lib/mpi/mpicoder.c: In function 'mpi_read_raw_from_sgl': /kisskb/src/lib/mpi/mpicoder.c:336:12: warning: 'buff' 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:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:340:21: note: 'pdeo' was declared here /kisskb/src/lib/rhashtable.c: In function 'rht_deferred_worker': /kisskb/src/lib/rhashtable.c:269:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c:234:28: note: 'next' was declared here /kisskb/src/net/core/gen_stats.c: In function '__gnet_stats_copy_basic': /kisskb/src/net/core/gen_stats.c:149:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/i825xx/sun3_82586.c: In function 'sun3_82586_timeout': /kisskb/src/drivers/net/ethernet/i825xx/sun3_82586.c:992:89: warning: array subscript is above array bounds [-Warray-bounds] /kisskb/src/net/core/flow_dissector.c: In function '__skb_flow_dissect': /kisskb/src/net/core/flow_dissector.c:789:7: warning: 'vlan' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list': /kisskb/src/net/core/dev.c:3161:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c: In function 'macsec_del_rxsa': /kisskb/src/drivers/net/macsec.c:1926:2: warning: 'assoc_num' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c:1926:2: warning: 'rx_sc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c: In function 'macsec_del_txsa': /kisskb/src/drivers/net/macsec.c:2003:2: warning: 'assoc_num' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c:2003:2: warning: 'tx_sc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c: In function 'macsec_upd_txsa': /kisskb/src/drivers/net/macsec.c:2068:5: warning: 'assoc_num' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c:2068:24: warning: 'tx_sc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c:2069:21: warning: 'secy' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char': /kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ocfs2/file.c: In function 'ocfs2_file_write_iter': /kisskb/src/fs/ocfs2/file.c:2386:3: warning: value computed is not used [-Wunused-value] /kisskb/src/net/sctp/output.c: In function 'sctp_packet_config': /kisskb/src/include/net/sock.h:1863:19: warning: 'sk' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/sctp/output.c:94:15: note: 'sk' was declared here /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1835:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1545:31: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1745:46: note: 'linear' was declared here /kisskb/src/fs/posix_acl.c: In function 'get_acl': /kisskb/src/fs/posix_acl.c:147:3: warning: value computed is not used [-Wunused-value] Completed OK # rm -rf /kisskb/build/linus_sun3_defconfig_m68k # Build took: 0:01:14.369234