# git rev-parse -q --verify 9739ab7eda459f0669ec9807e0d9be5020bab88c^{commit}
9739ab7eda459f0669ec9807e0d9be5020bab88c
already have revision, skipping fetch
# git checkout -q -f -B kisskb 9739ab7eda459f0669ec9807e0d9be5020bab88c
# git clean -qxdf
# < git log -1
# commit 9739ab7eda459f0669ec9807e0d9be5020bab88c
# Author: Christoph Hellwig <hch@lst.de>
# Date:   Thu Jun 13 10:24:46 2019 +0200
# 
#     powerpc: enable a 30-bit ZONE_DMA for 32-bit pmac
#     
#     With the strict dma mask checking introduced with the switch to
#     the generic DMA direct code common wifi chips on 32-bit powerbooks
#     stopped working.  Add a 30-bit ZONE_DMA to the 32-bit pmac builds
#     to allow them to reliably allocate dma coherent memory.
#     
#     Fixes: 65a21b71f948 ("powerpc/dma: remove dma_nommu_dma_supported")
#     Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
#     Signed-off-by: Christoph Hellwig <hch@lst.de>
#     Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
#     Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
#     Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-ld --version
# < git log --format=%s --max-count=1 9739ab7eda459f0669ec9807e0d9be5020bab88c
# < make -s -j 120 ARCH=s390 O=/kisskb/build/powerpc-fixes_s390-defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-  defconfig
# make -s -j 120 ARCH=s390 O=/kisskb/build/powerpc-fixes_s390-defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-  
arch/s390/../../virt/kvm/kvm_main.o: In function `kvm_vcpu_unmap':
/kisskb/src/arch/s390/kvm/../../../virt/kvm/kvm_main.c:1799: undefined reference to `memunmap'
make[1]: *** [/kisskb/src/Makefile:1052: vmlinux] Error 1
make: *** [Makefile:179: sub-make] Error 2
Command 'make -s -j 120 ARCH=s390 O=/kisskb/build/powerpc-fixes_s390-defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/powerpc-fixes_s390-defconfig_s390x-gcc8
# Build took: 0:01:01.044380