# git rev-parse -q --verify 28d747f266fb73cd28a1b9a174cc3738fc177b00^{commit}
28d747f266fb73cd28a1b9a174cc3738fc177b00
already have revision, skipping fetch
# git checkout -q -f -B kisskb 28d747f266fb73cd28a1b9a174cc3738fc177b00
# git clean -qxdf
# < git log -1
# commit 28d747f266fb73cd28a1b9a174cc3738fc177b00
# Merge: 80b98e92ebcb c71bb9f86666
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Mar 17 13:25:26 2019 -0700
# 
#     Merge tag 'kbuild-v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
#     
#     Pull more Kbuild updates from Masahiro Yamada:
#     
#      - add more Build-Depends to Debian source package
#     
#      - prefix header search paths with $(srctree)/
#     
#      - make modpost show verbose section mismatch warnings
#     
#      - avoid hard-coded CROSS_COMPILE for h8300
#     
#      - fix regression for Debian make-kpkg command
#     
#      - add semantic patch to detect missing put_device()
#     
#      - fix some warnings of 'make deb-pkg'
#     
#      - optimize NOSTDINC_FLAGS evaluation
#     
#      - add warnings about redundant generic-y
#     
#      - clean up Makefiles and scripts
#     
#     * tag 'kbuild-v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
#       kconfig: remove stale lxdialog/.gitignore
#       kbuild: force all architectures except um to include mandatory-y
#       kbuild: warn redundant generic-y
#       Revert "modsign: Abort modules_install when signing fails"
#       kbuild: Make NOSTDINC_FLAGS a simply expanded variable
#       kbuild: deb-pkg: avoid implicit effects
#       coccinelle: semantic code search for missing put_device()
#       kbuild: pkg: grep include/config/auto.conf instead of $KCONFIG_CONFIG
#       kbuild: deb-pkg: introduce is_enabled and if_enabled_echo to builddeb
#       kbuild: deb-pkg: add CONFIG_ prefix to kernel config options
#       kbuild: add workaround for Debian make-kpkg
#       kbuild: source include/config/auto.conf instead of ${KCONFIG_CONFIG}
#       unicore32: simplify linker script generation for decompressor
#       h8300: use cc-cross-prefix instead of hardcoding h8300-unknown-linux-
#       kbuild: move archive command to scripts/Makefile.lib
#       modpost: always show verbose warning for section mismatch
#       ia64: prefix header search path with $(srctree)/
#       libfdt: prefix header search paths with $(srctree)/
#       deb-pkg: generate correct build dependencies
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 28d747f266fb73cd28a1b9a174cc3738fc177b00
# < make -s -j 8 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 defconfig
# make -s -j 8 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 
/kisskb/src/arch/um/kernel/skas/uaccess.c: In function 'do_op_one_page':
/kisskb/src/arch/um/kernel/skas/uaccess.c:62:10: warning: unused variable 'buf' [-Wunused-variable]
  jmp_buf buf;
          ^
/kisskb/src/arch/um/os-Linux/umid.c: In function 'is_umdir_used':
/kisskb/src/arch/um/os-Linux/umid.c:138:2: warning: ISO C90 forbids variable length array 'file' [-Wvla]
  char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")];
  ^
/kisskb/src/arch/um/os-Linux/umid.c: In function 'create_pid_file':
/kisskb/src/arch/um/os-Linux/umid.c:213:2: warning: ISO C90 forbids variable length array 'file' [-Wvla]
  char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")];
  ^
/kisskb/src/arch/um/os-Linux/umid.c: In function 'remove_umid_dir':
/kisskb/src/arch/um/os-Linux/umid.c:388:2: warning: ISO C90 forbids variable length array 'dir' [-Wvla]
  char dir[strlen(uml_dir) + UMID_LEN + 1], err;
  ^
/kisskb/src/mm/mprotect.c: In function 'change_pte_range':
/kisskb/src/mm/mprotect.c:42:20: warning: unused variable 'mm' [-Wunused-variable]
  struct mm_struct *mm = vma->vm_mm;
                    ^
  LINK linux
Completed OK
# rm -rf /kisskb/build/linus_um-defconfig_um-x86_64
# Build took: 0:01:09.188595