# git rev-parse -q --verify 95edc4da89c32317b6ce22c90cb4793d3646565d^{commit}
95edc4da89c32317b6ce22c90cb4793d3646565d
already have revision, skipping fetch
# git checkout -q -f -B kisskb 95edc4da89c32317b6ce22c90cb4793d3646565d
# git clean -qxdf
# < git log -1
# commit 95edc4da89c32317b6ce22c90cb4793d3646565d
# Author: Anshuman Khandual <khandual@linux.vnet.ibm.com>
# Date:   Thu Mar 29 11:53:37 2018 +0530
# 
#     powerpc/fscr: Enable interrupts earlier before calling get_user()
#     
#     The function get_user() can sleep while trying to fetch instruction
#     from user address space and causes the following warning from the
#     scheduler.
#     
#     BUG: sleeping function called from invalid context
#     
#     Though interrupts get enabled back but it happens bit later after
#     get_user() is called. This change moves enabling these interrupts
#     earlier covering the function get_user(). While at this, lets check
#     for kernel mode and crash as this interrupt should not have been
#     triggered from the kernel context.
#     
#     Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < git log --format=%s --max-count=1 95edc4da89c32317b6ce22c90cb4793d3646565d
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc885_ads_defconfig+HUGETLB_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  mpc885_ads_defconfig
# Added to kconfig CONFIG_HUGETLBFS=y
# yes \n | make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc885_ads_defconfig+HUGETLB_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  oldconfig
yes: standard output: Broken pipe
yes: write error
# make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc885_ads_defconfig+HUGETLB_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
/kisskb/src/arch/powerpc/mm/slice.c: In function 'slice_get_unmapped_area':
/kisskb/src/arch/powerpc/mm/slice.c:655:2: error: implicit declaration of function 'need_extra_context' [-Werror=implicit-function-declaration]
/kisskb/src/arch/powerpc/mm/slice.c:656:3: error: implicit declaration of function 'alloc_extended_context' [-Werror=implicit-function-declaration]
cc1: all warnings being treated as errors
/kisskb/src/scripts/Makefile.build:324: recipe for target 'arch/powerpc/mm/slice.o' failed
make[2]: *** [arch/powerpc/mm/slice.o] Error 1
make[2]: *** Waiting for unfinished jobs....
/kisskb/src/Makefile:1051: recipe for target 'arch/powerpc/mm' failed
make[1]: *** [arch/powerpc/mm] Error 2
make[1]: *** Waiting for unfinished jobs....
/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/mm/hugetlb.c: In function 'alloc_pool_huge_page':
/kisskb/src/mm/hugetlb.c:1439:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized]
make[1]: *** wait: No child processes.  Stop.
Makefile:146: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2
Command 'make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc885_ads_defconfig+HUGETLB_powerpc 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/powerpc-next_mpc885_ads_defconfig+HUGETLB_powerpc
# Build took: 0:00:13.566495