# git rev-parse -q --verify 3fed6ae4b027f9c93be18520f87bd06bdffd196b^{commit}
3fed6ae4b027f9c93be18520f87bd06bdffd196b
already have revision, skipping fetch
# git checkout -q -f -B kisskb 3fed6ae4b027f9c93be18520f87bd06bdffd196b
# git clean -qxdf
# < git log -1
# commit 3fed6ae4b027f9c93be18520f87bd06bdffd196b
# Author: Christoph Hellwig <hch@lst.de>
# Date:   Fri Jan 4 13:03:08 2019 -0800
# 
#     ia64: fix compile without swiotlb
#     
#     Some non-generic ia64 configs don't build swiotlb, and thus should not
#     pull in the generic non-coherent DMA infrastructure.
#     
#     Fixes: 68c608345c ("swiotlb: remove dma_mark_clean")
#     Reported-by: Tony Luck <tony.luck@gmail.com>
#     Signed-off-by: Christoph Hellwig <hch@lst.de>
#     Signed-off-by: Tony Luck <tony.luck@intel.com>
#     Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
# < /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 3fed6ae4b027f9c93be18520f87bd06bdffd196b
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_mpc885_ads_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  mpc885_ads_defconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_mpc885_ads_defconfig_powerpc 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:186:16: 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:341:21: note: 'pdeo' was declared here
Image Name:   Linux-4.20.0-g3fed6ae4b027
Created:      Sat Jan  5 13:57:09 2019
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    1803870 Bytes = 1761.59 KiB = 1.72 MiB
Load Address: 00400000
Entry Point:  004001dc
Completed OK
# rm -rf /kisskb/build/linus_mpc885_ads_defconfig_powerpc
# Build took: 0:00:31.942220