# 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 # 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 # Signed-off-by: Mike Rapoport # Reviewed-by: Christoph Hellwig # Signed-off-by: Michael Ellerman # 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 24 ARCH=powerpc O=/kisskb/build/powerpc-fixes_85xx_mpc8540_ads_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- 85xx/mpc8540_ads_defconfig # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-fixes_85xx_mpc8540_ads_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/fs/ext4/extents.c: In function 'ext4_convert_unwritten_io_end_vec': /kisskb/src/fs/ext4/extents.c:5054:23: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /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/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/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:248:18: 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 INFO: Uncompressed kernel (size 0x486980) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x500000) INFO: Uncompressed kernel (size 0x47635c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x500000) Image Name: Linux-5.5.0-rc1-g8fabc623238e Created: Sat Dec 14 04:09:28 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2286529 Bytes = 2232.94 KiB = 2.18 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-5.5.0-rc1-g8fabc623238e Created: Sat Dec 14 04:09:28 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2316646 Bytes = 2262.35 KiB = 2.21 MiB Load Address: 00500000 Entry Point: 005002a8 Completed OK # rm -rf /kisskb/build/powerpc-fixes_85xx_mpc8540_ads_defconfig_powerpc-gcc4.6 # Build took: 0:00:42.398926