# git rev-parse -q --verify 6da3eced8c5f3b03340b0c395bacd552c4d52411^{commit} 6da3eced8c5f3b03340b0c395bacd552c4d52411 already have revision, skipping fetch # git checkout -q -f -B kisskb 6da3eced8c5f3b03340b0c395bacd552c4d52411 # git clean -qxdf # < git log -1 # commit 6da3eced8c5f3b03340b0c395bacd552c4d52411 # Author: Jason A. Donenfeld # Date: Mon Dec 23 14:31:47 2019 +0100 # # powerpc/spinlocks: Include correct header for static key # # Recently, the spinlock implementation grew a static key optimization, # but the jump_label.h header include was left out, leading to build # errors: # # linux/arch/powerpc/include/asm/spinlock.h:44:7: error: implicit declaration of function ‘static_branch_unlikely’ # 44 | if (!static_branch_unlikely(&shared_processor)) # # This commit adds the missing header. # # mpe: The build break is only seen with CONFIG_JUMP_LABEL=n. # # Fixes: 656c21d6af5d ("powerpc/shared: Use static key to detect shared processor") # Signed-off-by: Jason A. Donenfeld # Reviewed-by: Srikar Dronamraju # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20191223133147.129983-1-Jason@zx2c4.com # < /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 6da3eced8c5f3b03340b0c395bacd552c4d52411 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_ppc64e_defconfig+UP_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ppc64e_defconfig # Added to kconfig CONFIG_SMP=n # yes \n | make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_ppc64e_defconfig+UP_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 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_ppc64e_defconfig+UP_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/include/linux/of_mdio.h:58:13: error: 'of_mdiobus_child_is_phy' defined but not used [-Werror=unused-function] cc1: all warnings being treated as errors make[3]: *** [/kisskb/src/scripts/Makefile.build:265: arch/powerpc/sysdev/fsl_soc.o] Error 1 make[3]: *** Waiting for unfinished jobs.... make[2]: *** [/kisskb/src/scripts/Makefile.build:503: arch/powerpc/sysdev] Error 2 make[2]: *** Waiting for unfinished jobs.... /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/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/net/bridge/br_netlink.c: In function 'br_afspec.isra.34': /kisskb/src/net/bridge/br_netlink.c:648:7: warning: 'err' may be used uninitialized in this function [-Wuninitialized] make[1]: *** [/kisskb/src/Makefile:1693: arch/powerpc] Error 2 make[1]: *** Waiting for unfinished jobs.... /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/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc': /kisskb/src/fs/nfsd/nfs4xdr.c:2076:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized] /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/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 /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:1749:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/core/devio.c: In function 'async_completed': /kisskb/src/drivers/usb/core/devio.c:625:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized] make: *** [Makefile:179: sub-make] Error 2 Command 'make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_ppc64e_defconfig+UP_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/powerpc-fixes_ppc64e_defconfig+UP_powerpc-gcc4.6 # Build took: 0:01:23.697965