# git rev-parse -q --verify 7cdb85df6061d001fffd09c6adfbcf20356615e2^{commit}
7cdb85df6061d001fffd09c6adfbcf20356615e2
already have revision, skipping fetch
# git checkout -q -f -B kisskb 7cdb85df6061d001fffd09c6adfbcf20356615e2
# git clean -qxdf
# < git log -1
# commit 7cdb85df6061d001fffd09c6adfbcf20356615e2
# Merge: 43b815c6a8e7 2cf2aa6a69db
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Oct 6 11:10:15 2019 -0700
# 
#     Merge tag 'dma-mapping-5.4-1' of git://git.infradead.org/users/hch/dma-mapping
#     
#     Pull dma-mapping regression fix from Christoph Hellwig:
#      "Revert an incorret hunk from a patch that caused problems on various
#       arm boards (Andrey Smirnov)"
#     
#     * tag 'dma-mapping-5.4-1' of git://git.infradead.org/users/hch/dma-mapping:
#       dma-mapping: fix false positive warnings in dma_common_free_remap()
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 7cdb85df6061d001fffd09c6adfbcf20356615e2
# < make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  allnoconfig
# make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  
/kisskb/src/tools/objtool
/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/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq':
/kisskb/src/arch/x86/kernel/apic/io_apic.c:1037:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap':
/kisskb/src/arch/x86/kernel/e820.c:664:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/linus_x86_64-allnoconfig_x86_64-gcc4.6
# Build took: 0:00:09.828352