# git rev-parse -q --verify aa32f1169148beb90d71494e2f2a1999ba7b5366^{commit} aa32f1169148beb90d71494e2f2a1999ba7b5366 already have revision, skipping fetch # git checkout -q -f -B kisskb aa32f1169148beb90d71494e2f2a1999ba7b5366 # git clean -qxdf # < git log -1 # commit aa32f1169148beb90d71494e2f2a1999ba7b5366 # Merge: d5bb349dbbe2 93f4e735b6d9 # Author: Linus Torvalds # Date: Sat Nov 30 10:33:14 2019 -0800 # # Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma # # Pull hmm updates from Jason Gunthorpe: # "This is another round of bug fixing and cleanup. This time the focus # is on the driver pattern to use mmu notifiers to monitor a VA range. # This code is lifted out of many drivers and hmm_mirror directly into # the mmu_notifier core and written using the best ideas from all the # driver implementations. # # This removes many bugs from the drivers and has a very pleasing # diffstat. More drivers can still be converted, but that is for another # cycle. # # - A shared branch with RDMA reworking the RDMA ODP implementation # # - New mmu_interval_notifier API. This is focused on the use case of # monitoring a VA and simplifies the process for drivers # # - A common seq-count locking scheme built into the # mmu_interval_notifier API usable by drivers that call # get_user_pages() or hmm_range_fault() with the VA range # # - Conversion of mlx5 ODP, hfi1, radeon, nouveau, AMD GPU, and Xen # GntDev drivers to the new API. This deletes a lot of wonky driver # code. # # - Two improvements for hmm_range_fault(), from testing done by Ralph" # # * tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: # mm/hmm: remove hmm_range_dma_map and hmm_range_dma_unmap # mm/hmm: make full use of walk_page_range() # xen/gntdev: use mmu_interval_notifier_insert # mm/hmm: remove hmm_mirror and related # drm/amdgpu: Use mmu_interval_notifier instead of hmm_mirror # drm/amdgpu: Use mmu_interval_insert instead of hmm_mirror # drm/amdgpu: Call find_vma under mmap_sem # nouveau: use mmu_interval_notifier instead of hmm_mirror # nouveau: use mmu_notifier directly for invalidate_range_start # drm/radeon: use mmu_interval_notifier_insert # RDMA/hfi1: Use mmu_interval_notifier_insert for user_exp_rcv # RDMA/odp: Use mmu_interval_notifier_insert() # mm/hmm: define the pre-processor related parts of hmm.h even if disabled # mm/hmm: allow hmm_range to be used with a mmu_interval_notifier or hmm_mirror # mm/mmu_notifier: add an interval tree notifier # mm/mmu_notifier: define the header pre-processor parts even if disabled # mm/hmm: allow snapshot of the special zero page # < /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 aa32f1169148beb90d71494e2f2a1999ba7b5366 # < make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_pseries_defconfig+POWERNV=n_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- pseries_defconfig # Added to kconfig CONFIG_PPC_POWERNV=n # yes \n | make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_pseries_defconfig+POWERNV=n_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- oldconfig yes: standard output: Broken pipe # make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_pseries_defconfig+POWERNV=n_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /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/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2591:6: 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:1852:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bridge/br_netlink.c: In function 'br_afspec.isra.30': /kisskb/src/net/bridge/br_netlink.c:648:7: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1496:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/devlink.c: In function 'devlink_fmsg_prepare_skb': /kisskb/src/net/core/devlink.c:4613:6: warning: 'err' 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:338:21: note: 'pdeo' was declared here /kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc': /kisskb/src/fs/nfsd/nfs4xdr.c:2076:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:228:19: note: 'i' was declared here /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/drivers/usb/core/devio.c: In function 'async_completed': /kisskb/src/drivers/usb/core/devio.c:625:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1836:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1749:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] Completed OK # rm -rf /kisskb/build/linus_pseries_defconfig+POWERNV=n_powerpc-gcc4.6 # Build took: 0:02:23.349643