# git rev-parse -q --verify 9aac5e7b14f90a3b4aceab3cf0c7b7907ee1efc3^{commit} 9aac5e7b14f90a3b4aceab3cf0c7b7907ee1efc3 already have revision, skipping fetch # git checkout -q -f -B kisskb 9aac5e7b14f90a3b4aceab3cf0c7b7907ee1efc3 # git clean -qxdf # < git log -1 # commit 9aac5e7b14f90a3b4aceab3cf0c7b7907ee1efc3 # Author: Christophe Leroy # Date: Tue Aug 20 14:34:14 2019 +0000 # # powerpc/64: optimise LOAD_REG_IMMEDIATE_SYM() # # Optimise LOAD_REG_IMMEDIATE_SYM() using a temporary register to # parallelise operations. # # It reduces the path from 5 to 3 instructions. # # Suggested-by: Segher Boessenkool # Signed-off-by: Christophe Leroy # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/bad41ed02531bb0382420cbab50a0d7153b71767.1566311636.git.christophe.leroy@c-s.fr # < /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 9aac5e7b14f90a3b4aceab3cf0c7b7907ee1efc3 # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- randconfig KCONFIG_SEED=0x1A77572E # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_CPU_BIG_ENDIAN=y # Added to kconfig CONFIG_PPC64=y # Added to kconfig CONFIG_PPC_DISABLE_WERROR=y # Added to kconfig CONFIG_SECTION_MISMATCH_WARN_ONLY=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_LD_HEAD_STUB_CATCH=y # Added to kconfig CONFIG_TRIM_UNUSED_KSYMS=n # Added to kconfig CONFIG_UBSAN=n # yes \n | make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- oldconfig yes: standard output: Broken pipe # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_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:194:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/sched/core.c: In function 'try_to_wake_up': /kisskb/src/include/asm-generic/bitops/non-atomic.h:106:21: warning: 'cpu' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/sched/core.c:2400:6: note: 'cpu' was declared here /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1465:5: warning: 'page' 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:1852:6: 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:2591:6: warning: 'ret' 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/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/drivers/iio/adc/qcom-spmi-adc5.c: In function 'adc5_read_raw': /kisskb/src/drivers/iio/adc/qcom-spmi-adc5.c:398:7: warning: 'adc_code_volt' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mfd/rk808.c:732:12: warning: 'rk8xx_suspend' defined but not used [-Wunused-function] /kisskb/src/drivers/mfd/rk808.c:752:12: warning: 'rk8xx_resume' defined but not used [-Wunused-function] /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 WARNING: vmlinux.o (.PPC.EMB.apuinfo): unexpected non-allocatable section. Did you forget to use "ax"/"aw" in a .S file? Note that for example contains section definitions for use in .S files. WARNING: 4 bad relocations c00000000001961e R_PPC64_ADDR16_HIGHEST .head.text+0x0000000000019638 c000000000019622 R_PPC64_ADDR16_HI .head.text+0x0000000000019638 c000000000019626 R_PPC64_ADDR16_HIGHER .head.text+0x0000000000019638 c00000000001962a R_PPC64_ADDR16_LO .head.text+0x0000000000019638 INFO: Uncompressed kernel (size 0x2b21978) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x2c00000) Image Name: Linux-5.3.0-rc2-g9aac5e7b14f9 Created: Fri Aug 23 03:32:35 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 16841268 Bytes = 16446.55 KiB = 16.06 MiB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.6 # Build took: 0:02:56.838999