# git rev-parse -q --verify a5dde5b54c02a2b1f839939ee89aa69caca3e02c^{commit} a5dde5b54c02a2b1f839939ee89aa69caca3e02c already have revision, skipping fetch # git checkout -q -f -B kisskb a5dde5b54c02a2b1f839939ee89aa69caca3e02c # git clean -qxdf # < git log -1 # commit a5dde5b54c02a2b1f839939ee89aa69caca3e02c # Author: Michal Suchanek # Date: Thu Mar 15 20:15:52 2018 +0100 # # powerpc/64: Use barrier_nospec in syscall entry # # On powerpc syscall entry is done in assembly so patch in an explicit # barrier_nospec. # # Signed-off-by: Michal Suchanek # [mpe: Move the barrier to immediately prior to the vulnerable load, # and add a comment trying to explain why. Drop the barrier from # syscall_dotrace, because that syscall number comes from the # kernel.] # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 a5dde5b54c02a2b1f839939ee89aa69caca3e02c # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc85xx_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- mpc85xx_defconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc85xx_defconfig_powerpc 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:1268:20: 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:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1439:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c: In function 'allocate_bd': /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:139:6: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/sound/soc/codecs/wm8960.c: In function 'wm8960_configure_clocking': /kisskb/src/sound/soc/codecs/wm8960.c:803:56: warning: 'j' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/wm8960.c:800:54: warning: 'i' 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:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:231:19: note: 'i' was declared here INFO: Uncompressed kernel (size 0xb53364) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb53364) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb53364) overlaps the address of the wrapper(0x400000) INFO: Uncompressed kernel (size 0xb53364) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb53364) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb53364) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb53364) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb53364) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb53364) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb53364) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb53364) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb53364) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb53364) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb53364) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb53364) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb42c18) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5458429 Bytes = 5330.50 kB = 5.21 MB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5481828 Bytes = 5353.35 kB = 5.23 MB Load Address: 00c00000 Entry Point: 00c00288 Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5481841 Bytes = 5353.36 kB = 5.23 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5482864 Bytes = 5354.36 kB = 5.23 MB Load Address: 00c00000 Entry Point: 00c00288 Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5483970 Bytes = 5355.44 kB = 5.23 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5483339 Bytes = 5354.82 kB = 5.23 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5483103 Bytes = 5354.59 kB = 5.23 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5482671 Bytes = 5354.17 kB = 5.23 MB Load Address: 00c00000 Entry Point: 00c00288 Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5481788 Bytes = 5353.31 kB = 5.23 MB Load Address: 00c00000 Entry Point: 00c00288 Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5481737 Bytes = 5353.26 kB = 5.23 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5483974 Bytes = 5355.44 kB = 5.23 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5481789 Bytes = 5353.31 kB = 5.23 MB Load Address: 00c00000 Entry Point: 00c00288 Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5482719 Bytes = 5354.22 kB = 5.23 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5482094 Bytes = 5353.61 kB = 5.23 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5482098 Bytes = 5353.61 kB = 5.23 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-rc4-ga5dde5b Created: Sun Apr 1 23:28:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5484153 Bytes = 5355.62 kB = 5.23 MB Load Address: 00c00000 Entry Point: 00c00248 Completed OK # rm -rf /kisskb/build/powerpc-next_mpc85xx_defconfig_powerpc # Build took: 0:01:03.545883