# git rev-parse -q --verify e41b93a6be57e26a4a123345f826a6ac3a213551^{commit} e41b93a6be57e26a4a123345f826a6ac3a213551 already have revision, skipping fetch # git checkout -q -f -B kisskb e41b93a6be57e26a4a123345f826a6ac3a213551 # git clean -qxdf # < git log -1 # commit e41b93a6be57e26a4a123345f826a6ac3a213551 # Author: Michael Ellerman # Date: Mon Dec 3 19:55:55 2018 +1100 # # powerpc/boot: Fix build failures with -j 1 # # In commit 5e9dcb6188a4 ("powerpc/boot: Expose Kconfig symbols to # wrapper") we added a dependency to serial.c on autoconf.h: # # $(obj)/serial.c: $(obj)/autoconf.h # # This works when building in-tree (ie. with KBUILD_OUTPUT unset) # because the obj tree is the src tree. # # But when building with eg. O=build and -j 1 the build fails: # # gcc ... -I../arch/powerpc/boot -c -o arch/powerpc/boot/serial.o arch/powerpc/boot/serial.c # gcc: error: arch/powerpc/boot/serial.c: No such file or directory # # Why this is only happening with -j 1 is not clear, when building with # -j greater than 1 somehow we decide to look for serial.c in the src # tree (../), eg: # # gcc -I../arch/powerpc/boot -c -o arch/powerpc/boot/serial.o ../arch/powerpc/boot/serial.c # # Regardless we shouldn't be specifying a dependency on serial.c in the # build tree, we want to add a dependency to the version in $(srctree) # so fix the rule to say that. # # Fixes: 5e9dcb6188a4 ("powerpc/boot: Expose Kconfig symbols to wrapper") # Tested-by: Daniel Axtens # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-4.6.3-nolibc/mips-linux/bin/mips-linux-gcc --version # < git log --format=%s --max-count=1 e41b93a6be57e26a4a123345f826a6ac3a213551 # < make -s -j 8 ARCH=mips O=/kisskb/build/powerpc-fixes_mips-defconfig_mips CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/mips-linux/bin/mips-linux- defconfig # make -s -j 8 ARCH=mips O=/kisskb/build/powerpc-fixes_mips-defconfig_mips CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/mips-linux/bin/mips-linux- /kisskb/src/arch/mips/vdso/Makefile:38: MIPS VDSO requires binutils >= 2.25 arch/mips/boot/dts/xilfpga/nexys4ddr.dtb: Warning (i2c_bus_reg): /i2c@10A00000/ad7420@4B: I2C bus unit address format error, expected "4b" /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1256:20: warning: 'root' 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:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_fields': /kisskb/src/kernel/rcu/srcutree.c:152:32: warning: 'levelspread[]' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rcu/srcutree.c:100:6: note: 'levelspread[]' was declared here /kisskb/src/arch/mips/vdso/Makefile:38: MIPS VDSO requires binutils >= 2.25 /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 /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1855:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2594:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/i2c/i2c-core-base.c: In function 'i2c_generic_scl_recovery': /kisskb/src/drivers/i2c/i2c-core-base.c:235:5: 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:247:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:227:19: note: 'i' was declared here /kisskb/src/arch/mips/vdso/Makefile:38: MIPS VDSO requires binutils >= 2.25 /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] FIT description: Linux 4.20.0-rc1-ge41b93a6be57 Created: Fri Dec 7 17:11:06 2018 Image 0 (kernel@0) Description: Linux 4.20.0-rc1-ge41b93a6be57 Created: Fri Dec 7 17:11:06 2018 Type: Kernel Image Compression: gzip compressed Data Size: 4332757 Bytes = 4231.21 KiB = 4.13 MiB Architecture: MIPS OS: Linux Load Address: 0x80100000 Entry Point: 0x808121d0 Hash algo: sha1 Hash value: b3757be9a446fa5e97221853590d4223c67a2f82 Image 1 (fdt@boston) Description: img,boston Device Tree Created: Fri Dec 7 17:11:06 2018 Type: Flat Device Tree Compression: uncompressed Data Size: 3668 Bytes = 3.58 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 569c37cc891ce1e1f3a193cb41cc691a5d2debb5 Image 2 (fdt@ni169445) Description: NI 169445 device tree Created: Fri Dec 7 17:11:06 2018 Type: Flat Device Tree Compression: uncompressed Data Size: 1871 Bytes = 1.83 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 51b89b31605ee62038c8468c429af091dfc75ec7 Image 3 (fdt@xilfpga) Description: MIPSfpga (xilfpga) Device Tree Created: Fri Dec 7 17:11:06 2018 Type: Flat Device Tree Compression: uncompressed Data Size: 2708 Bytes = 2.64 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 509ce58e44c561d54539e64e9d4b47054e696fc6 Default Configuration: 'conf@default' Configuration 0 (conf@default) Description: Generic Linux kernel Kernel: kernel@0 Configuration 1 (conf@boston) Description: Boston Linux kernel Kernel: kernel@0 FDT: fdt@boston Configuration 2 (conf@ni169445) Description: NI 169445 Linux Kernel Kernel: kernel@0 FDT: fdt@ni169445 Configuration 3 (conf@xilfpga) Description: MIPSfpga Linux kernel Kernel: kernel@0 FDT: fdt@xilfpga Completed OK # rm -rf /kisskb/build/powerpc-fixes_mips-defconfig_mips # Build took: 0:02:03.723478