# git rev-parse -q --verify 7a3a4d763837d3aa654cd1059030950410c04d77^{commit}
7a3a4d763837d3aa654cd1059030950410c04d77
already have revision, skipping fetch
# git checkout -q -f -B kisskb 7a3a4d763837d3aa654cd1059030950410c04d77
# git clean -qxdf
# < git log -1
# commit 7a3a4d763837d3aa654cd1059030950410c04d77
# Author: Alexey Kardashevskiy <aik@ozlabs.ru>
# Date:   Wed Apr 3 15:12:33 2019 +1100
# 
#     powerpc/mm_iommu: Allow pinning large regions
#     
#     When called with vmas_arg==NULL, get_user_pages_longterm() allocates
#     an array of nr_pages*8 which can easily get greater that the max order,
#     for example, registering memory for a 256GB guest does this and fails
#     in __alloc_pages_nodemask().
#     
#     This adds a loop over chunks of entries to fit the max order limit.
#     
#     Fixes: 678e174c4c16 ("powerpc/mm/iommu: allow migration of cma allocated pages during mm_iommu_do_alloc", 2019-03-05)
#     Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /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 7a3a4d763837d3aa654cd1059030950410c04d77
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-fixes_corenet_basic_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  corenet_basic_defconfig
# make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-fixes_corenet_basic_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
<stdin>:1478:2: warning: #warning syscall pidfd_send_signal not implemented [-Wcpp]
<stdin>:1481:2: warning: #warning syscall io_uring_setup not implemented [-Wcpp]
<stdin>:1484:2: warning: #warning syscall io_uring_enter not implemented [-Wcpp]
<stdin>:1487:2: warning: #warning syscall io_uring_register not implemented [-Wcpp]
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:187:16: warning: 'old' 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:337:21: note: 'pdeo' was declared here
/kisskb/src/fs/fs_parser.c: In function 'fs_validate_description':
/kisskb/src/fs/fs_parser.c:413:6: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'int' [-Wformat]
Completed OK
# rm -rf /kisskb/build/powerpc-fixes_corenet_basic_defconfig_powerpc-gcc4.6
# Build took: 0:00:23.441396