# git rev-parse -q --verify 98e487a02296b6357d962a193aa79ee89825f5a3^{commit} 98e487a02296b6357d962a193aa79ee89825f5a3 already have revision, skipping fetch # git checkout -q -f -B kisskb 98e487a02296b6357d962a193aa79ee89825f5a3 # git clean -qxdf # < git log -1 # commit 98e487a02296b6357d962a193aa79ee89825f5a3 # Author: Christophe Leroy # Date: Sun Oct 27 11:28:46 2019 +0000 # # powerpc/iomap: inline generic io accessors # # ioreadXX[be]() and iowriteXX[be]() are doing the same things as the # powerpc specific in_[be]XX() and out_[be]XX() accessors, but they # are not inlined. # # There are some work in progress to replace the powerpc specific # functions in Quicc Engine driver by generic code in order to allow # QE to be used also on ARM. # # In order to keep performant IO accesses, generic io accessors need to # be inlined. This avoids calls of tiny functions that require setting # up stack frames and saving volatile registers, all this often taking # more CPU time than the work performed by the IO accessor itself. # # The string functions ioreadXX_rep() and iowriteXX_rep() also get # inlined as they are only trampolines to readsX() and writesX() outline # functions. # < /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 98e487a02296b6357d962a193aa79ee89825f5a3 # < make -s -j 120 ARCH=powerpc O=/kisskb/build/chleroy_pseries_defconfig+NO_SPLPAR_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- pseries_defconfig # Added to kconfig CONFIG_PPC_SPLPAR=n # yes \n | make -s -j 120 ARCH=powerpc O=/kisskb/build/chleroy_pseries_defconfig+NO_SPLPAR_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 120 ARCH=powerpc O=/kisskb/build/chleroy_pseries_defconfig+NO_SPLPAR_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:204:16: warning: 'old' 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/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/net/bridge/br_netlink.c: In function 'br_afspec.isra.30': /kisskb/src/net/bridge/br_netlink.c:648:7: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1496:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] /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/lib/iomap.c:73:14: error: redefinition of 'ioread8' /kisskb/src/include/asm-generic/iomap.h:29:28: note: previous definition of 'ioread8' was here /kisskb/src/lib/iomap.c:78:14: error: redefinition of 'ioread16' /kisskb/src/include/asm-generic/iomap.h:34:28: note: previous definition of 'ioread16' was here /kisskb/src/lib/iomap.c:83:14: error: redefinition of 'ioread16be' /kisskb/src/include/asm-generic/iomap.h:39:28: note: previous definition of 'ioread16be' was here /kisskb/src/lib/iomap.c:88:14: error: redefinition of 'ioread32' /kisskb/src/include/asm-generic/iomap.h:44:28: note: previous definition of 'ioread32' was here /kisskb/src/lib/iomap.c:93:14: error: redefinition of 'ioread32be' /kisskb/src/include/asm-generic/iomap.h:49:28: note: previous definition of 'ioread32be' was here /kisskb/src/lib/iomap.c:145:5: error: redefinition of 'ioread64_lo_hi' /kisskb/src/include/asm-generic/iomap.h:72:19: note: previous definition of 'ioread64_lo_hi' was here /kisskb/src/lib/iomap.c:151:5: error: redefinition of 'ioread64_hi_lo' /kisskb/src/include/asm-generic/iomap.h:77:19: note: previous definition of 'ioread64_hi_lo' was here /kisskb/src/lib/iomap.c:157:5: error: redefinition of 'ioread64be_lo_hi' /kisskb/src/include/asm-generic/iomap.h:82:19: note: previous definition of 'ioread64be_lo_hi' was here /kisskb/src/lib/iomap.c:164:5: error: redefinition of 'ioread64be_hi_lo' /kisskb/src/include/asm-generic/iomap.h:87:19: note: previous definition of 'ioread64be_hi_lo' was here /kisskb/src/lib/iomap.c:189:6: error: redefinition of 'iowrite8' /kisskb/src/include/asm-generic/iomap.h:93:20: note: previous definition of 'iowrite8' was here /kisskb/src/lib/iomap.c:193:6: error: redefinition of 'iowrite16' /kisskb/src/include/asm-generic/iomap.h:98:20: note: previous definition of 'iowrite16' was here /kisskb/src/lib/iomap.c:197:6: error: redefinition of 'iowrite16be' /kisskb/src/include/asm-generic/iomap.h:103:20: note: previous definition of 'iowrite16be' was here /kisskb/src/lib/iomap.c:201:6: error: redefinition of 'iowrite32' /kisskb/src/include/asm-generic/iomap.h:108:20: note: previous definition of 'iowrite32' was here /kisskb/src/lib/iomap.c:205:6: error: redefinition of 'iowrite32be' /kisskb/src/include/asm-generic/iomap.h:113:20: note: previous definition of 'iowrite32be' was here /kisskb/src/lib/iomap.c:240:6: error: redefinition of 'iowrite64_lo_hi' /kisskb/src/include/asm-generic/iomap.h:136:20: note: previous definition of 'iowrite64_lo_hi' was here /kisskb/src/lib/iomap.c:246:6: error: redefinition of 'iowrite64_hi_lo' /kisskb/src/include/asm-generic/iomap.h:141:20: note: previous definition of 'iowrite64_hi_lo' was here /kisskb/src/lib/iomap.c:252:6: error: redefinition of 'iowrite64be_lo_hi' /kisskb/src/include/asm-generic/iomap.h:146:20: note: previous definition of 'iowrite64be_lo_hi' was here /kisskb/src/lib/iomap.c:258:6: error: redefinition of 'iowrite64be_hi_lo' /kisskb/src/include/asm-generic/iomap.h:151:20: note: previous definition of 'iowrite64be_hi_lo' was here /kisskb/src/lib/iomap.c:328:6: error: redefinition of 'ioread8_rep' /kisskb/src/include/asm-generic/iomap.h:171:20: note: previous definition of 'ioread8_rep' was here /kisskb/src/lib/iomap.c:332:6: error: redefinition of 'ioread16_rep' /kisskb/src/include/asm-generic/iomap.h:176:20: note: previous definition of 'ioread16_rep' was here /kisskb/src/lib/iomap.c:336:6: error: redefinition of 'ioread32_rep' /kisskb/src/include/asm-generic/iomap.h:181:20: note: previous definition of 'ioread32_rep' was here /kisskb/src/lib/iomap.c:344:6: error: redefinition of 'iowrite8_rep' /kisskb/src/include/asm-generic/iomap.h:186:20: note: previous definition of 'iowrite8_rep' was here /kisskb/src/lib/iomap.c:348:6: error: redefinition of 'iowrite16_rep' /kisskb/src/include/asm-generic/iomap.h:191:20: note: previous definition of 'iowrite16_rep' was here /kisskb/src/lib/iomap.c:352:6: error: redefinition of 'iowrite32_rep' /kisskb/src/include/asm-generic/iomap.h:196:20: note: previous definition of 'iowrite32_rep' was here make[2]: *** [/kisskb/src/scripts/Makefile.build:265: lib/iomap.o] Error 1 make[2]: *** Waiting for unfinished jobs.... /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/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[1]: *** [/kisskb/src/Makefile:1649: lib] Error 2 make[1]: *** Waiting for unfinished jobs.... /kisskb/src/net/core/devlink.c: In function 'devlink_fmsg_prepare_skb': /kisskb/src/net/core/devlink.c:4484:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /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] make: *** [Makefile:179: sub-make] Error 2 Command 'make -s -j 120 ARCH=powerpc O=/kisskb/build/chleroy_pseries_defconfig+NO_SPLPAR_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/chleroy_pseries_defconfig+NO_SPLPAR_powerpc-gcc4.6 # Build took: 0:01:11.409971