# git rev-parse -q --verify 2ef9f62a79706208c5a397a9645a45a63be6e718^{commit} 2ef9f62a79706208c5a397a9645a45a63be6e718 already have revision, skipping fetch # git checkout -q -f -B kisskb 2ef9f62a79706208c5a397a9645a45a63be6e718 # git clean -qxdf # < git log -1 # commit 2ef9f62a79706208c5a397a9645a45a63be6e718 # Author: Andrew Donnellan # Date: Fri Feb 22 11:40:46 2019 +1100 # # powerpc: Enable kcov # # kcov provides kernel coverage data that's useful for fuzzing tools like # syzkaller. # # Wire up kcov support on powerpc. Disable kcov instrumentation on the same # files where we currently disable gcov and UBSan instrumentation, plus some # additional exclusions which appear necessary to boot on book3e machines. # # Signed-off-by: Andrew Donnellan # Acked-by: Dmitry Vyukov # Tested-by: Daniel Axtens # e6500 # Signed-off-by: Michael Ellerman # < /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 2ef9f62a79706208c5a397a9645a45a63be6e718 # < make -s -j 8 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ppc6xx_defconfig # make -s -j 8 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1263:20: 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/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/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/kernel/trace/trace_dynevent.c: In function 'create_dyn_event': /kisskb/src/kernel/trace/trace_dynevent.c:89:5: 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:339:21: 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/sound/ppc/awacs.c: In function 'snd_pmac_awacs_init': /kisskb/src/include/sound/control.h:223:2: warning: 'speaker_vol' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/ppc/awacs.c:886:36: note: 'speaker_vol' 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/net/bridge/br_netlink.c: In function 'br_afspec.isra.28': /kisskb/src/net/bridge/br_netlink.c:652:7: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_rx_mgmt_beacon': /kisskb/src/net/mac80211/mlme.c:1522:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c:1479:6: note: 'pwr_level_cisco' was declared here /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/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1843:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1753:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] INFO: Uncompressed kernel (size 0xa97140) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa97140) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa97140) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa97140) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa86a5c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa97140) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa97140) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) Image Name: Linux-5.0.0-rc2+ Created: Fri Feb 22 15:37:36 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5064328 Bytes = 4945.63 KiB = 4.83 MiB Load Address: 00b00000 Entry Point: 00b00888 INFO: Uncompressed kernel (size 0xa97140) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) Image Name: Linux-5.0.0-rc2+ Created: Fri Feb 22 15:37:36 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5063899 Bytes = 4945.21 KiB = 4.83 MiB Load Address: 00b00000 Entry Point: 00b00290 Image Name: Linux-5.0.0-rc2+ Created: Fri Feb 22 15:37:36 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5064076 Bytes = 4945.39 KiB = 4.83 MiB Load Address: 00b00000 Entry Point: 00b00888 Image Name: Linux-5.0.0-rc2+ Created: Fri Feb 22 15:37:36 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5032289 Bytes = 4914.34 KiB = 4.80 MiB Load Address: 00000000 Entry Point: 00000000 INFO: Uncompressed kernel (size 0xa97140) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa97140) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa97140) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa86a5c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) Image Name: Linux-5.0.0-rc2+ Created: Fri Feb 22 15:37:37 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5063853 Bytes = 4945.17 KiB = 4.83 MiB Load Address: 00b00000 Entry Point: 00b00290 Image Name: Linux-5.0.0-rc2+ Created: Fri Feb 22 15:37:37 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5063754 Bytes = 4945.07 KiB = 4.83 MiB Load Address: 00b00000 Entry Point: 00b00290 Image Name: Linux-5.0.0-rc2+ Created: Fri Feb 22 15:37:38 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5063014 Bytes = 4944.35 KiB = 4.83 MiB Load Address: 00b00000 Entry Point: 00b00290 Image Name: Linux-5.0.0-rc2+ Created: Fri Feb 22 15:37:38 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5063408 Bytes = 4944.73 KiB = 4.83 MiB Load Address: 00b00000 Entry Point: 00b00290 Image Name: Linux-5.0.0-rc2+ Created: Fri Feb 22 15:37:38 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5064042 Bytes = 4945.35 KiB = 4.83 MiB Load Address: 00b00000 Entry Point: 00b00290 Completed OK # rm -rf /kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-gcc4.6 # Build took: 0:04:23.721204