# git rev-parse -q --verify 8fabc623238e68b3ac63c0dd1657bf86c1fa33af^{commit}
8fabc623238e68b3ac63c0dd1657bf86c1fa33af
already have revision, skipping fetch
# git checkout -q -f -B kisskb 8fabc623238e68b3ac63c0dd1657bf86c1fa33af
# git clean -qxdf
# < git log -1
# commit 8fabc623238e68b3ac63c0dd1657bf86c1fa33af
# Author: Mike Rapoport <rppt@linux.ibm.com>
# Date:   Wed Dec 4 14:35:24 2019 +0200
# 
#     powerpc: Ensure that swiotlb buffer is allocated from low memory
#     
#     Some powerpc platforms (e.g. 85xx) limit DMA-able memory way below 4G.
#     If a system has more physical memory than this limit, the swiotlb
#     buffer is not addressable because it is allocated from memblock using
#     top-down mode.
#     
#     Force memblock to bottom-up mode before calling swiotlb_init() to
#     ensure that the swiotlb buffer is DMA-able.
#     
#     Reported-by: Christian Zigotzky <chzigotzky@xenosoft.de>
#     Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
#     Reviewed-by: Christoph Hellwig <hch@lst.de>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/20191204123524.22919-1-rppt@kernel.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 8fabc623238e68b3ac63c0dd1657bf86c1fa33af
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mvme5100_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  mvme5100_defconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mvme5100_defconfig_powerpc-gcc4.6 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:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/ipc/shm.c: In function 'ksys_shmdt':
/kisskb/src/ipc/shm.c:1712:59: warning: 'file' 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:338:21: note: 'pdeo' was declared here
/kisskb/src/fs/cifs/smb2pdu.c: In function 'SMB2_ioctl_init':
/kisskb/src/fs/cifs/smb2pdu.c:2811:19: warning: 'in_data_buf' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/core/gen_stats.c: In function '__gnet_stats_copy_basic':
/kisskb/src/net/core/gen_stats.c:156:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq':
/kisskb/src/drivers/tty/serial/8250/8250_core.c:243:2: warning: 'i' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/tty/serial/8250/8250_core.c:228:19: note: 'i' was declared here
/kisskb/src/drivers/net/tun.c: In function 'tun_get_user':
/kisskb/src/drivers/net/tun.c:1836:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/tun.c:1526:31: warning: 'linear' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/tun.c:1749:46: note: 'linear' was declared here
/kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char':
/kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/lib/rhashtable.c: In function 'rht_deferred_worker':
/kisskb/src/include/linux/rhashtable.h:110:10: warning: 'next' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/lib/rhashtable.c:222:28: note: 'next' was declared here
/kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list':
/kisskb/src/net/core/dev.c:3547:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized]
INFO: Uncompressed kernel (size 0x403c78) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x500000)
Completed OK
# rm -rf /kisskb/build/powerpc-fixes_mvme5100_defconfig_powerpc-gcc4.6
# Build took: 0:00:41.071385