# git rev-parse -q --verify 210453542946c37317478591cc9ca4a53c062aeb^{commit} 210453542946c37317478591cc9ca4a53c062aeb already have revision, skipping fetch # git checkout -q -f -B kisskb 210453542946c37317478591cc9ca4a53c062aeb # git clean -qxdf # < git log -1 # commit 210453542946c37317478591cc9ca4a53c062aeb # Author: Alexey Kardashevskiy # Date: Fri Jun 1 18:06:16 2018 +1000 # # powerpc/powernv/ioda2: Reduce upper limit for DMA window size # # We use PHB in mode1 which uses bit 59 to select a correct DMA window. # However there is mode2 which uses bits 59:55 and allows up to 32 DMA # windows per a PE. # # Even though documentation does not clearly specify that, it seems that # the actual hardware does not support bits 59:55 even in mode1, in other # words we can create a window as big as 1<<58 but DMA simply won't work. # # This reduces the upper limit from 59 to 55 bits to let the userspace know # about the hardware limits. # # Fixes: 7aafac11e3 "powerpc/powernv/ioda2: Gracefully fail if too many TCE levels requested" # Signed-off-by: Alexey Kardashevskiy # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 210453542946c37317478591cc9ca4a53c062aeb # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc83xx_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- mpc83xx_defconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc83xx_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. :1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. /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:339:21: note: 'pdeo' was declared here /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2497:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1819:6: warning: 'ret' 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:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:231:19: note: 'i' was declared here arch/powerpc/boot/mpc832x_rdb.dtb: Warning (interrupts_property): /qe@e0100000/mdio@3120/ethernet-phy@0:#interrupt-cells: size is (4), expected multiple of 8 arch/powerpc/boot/mpc832x_rdb.dtb: Warning (interrupts_property): /qe@e0100000/mdio@3120/ethernet-phy@4:#interrupt-cells: size is (4), expected multiple of 8 INFO: Uncompressed kernel (size 0x607524) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x700000) INFO: Uncompressed kernel (size 0x607524) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x700000) INFO: Uncompressed kernel (size 0x607524) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x700000) INFO: Uncompressed kernel (size 0x607524) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x700000) INFO: Uncompressed kernel (size 0x607524) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x700000) INFO: Uncompressed kernel (size 0x607524) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x700000) INFO: Uncompressed kernel (size 0x607524) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x700000) INFO: Uncompressed kernel (size 0x5f6e78) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) Image Name: Linux-4.18.0-rc2-g2104535 Created: Thu Jun 28 00:14:24 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3038535 Bytes = 2967.32 kB = 2.90 MB Load Address: 00700000 Entry Point: 00700230 Image Name: Linux-4.18.0-rc2-g2104535 Created: Thu Jun 28 00:14:24 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3038544 Bytes = 2967.33 kB = 2.90 MB Load Address: 00700000 Entry Point: 00700230 Image Name: Linux-4.18.0-rc2-g2104535 Created: Thu Jun 28 00:14:24 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3038123 Bytes = 2966.92 kB = 2.90 MB Load Address: 00700000 Entry Point: 00700230 Image Name: Linux-4.18.0-rc2-g2104535 Created: Thu Jun 28 00:14:24 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3038406 Bytes = 2967.19 kB = 2.90 MB Load Address: 00700000 Entry Point: 00700230 Image Name: Linux-4.18.0-rc2-g2104535 Created: Thu Jun 28 00:14:24 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3038299 Bytes = 2967.09 kB = 2.90 MB Load Address: 00700000 Entry Point: 00700230 Image Name: Linux-4.18.0-rc2-g2104535 Created: Thu Jun 28 00:14:24 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3038195 Bytes = 2966.99 kB = 2.90 MB Load Address: 00700000 Entry Point: 00700230 Image Name: Linux-4.18.0-rc2-g2104535 Created: Thu Jun 28 00:14:24 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3014688 Bytes = 2944.03 kB = 2.88 MB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-next_mpc83xx_defconfig_powerpc # Build took: 0:00:17.908281