Buildresult: powerpc-next/85xx/tqm8540_defconfig/powerpc-gcc4.9 built on Oct 30 2020, 04:01

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Status:	OK
Date/Time:	Oct 30 2020, 04:01
Duration:	0:00:57.364007
Builder:	blade4b
Revision:	powerpc: Avoid broken GCC __attribute__((optimize)) (`8d17c0c83c07bad137e2df3a45e9cd4e80d85418)`
Target:	powerpc-next/85xx/tqm8540_defconfig/powerpc-gcc4.9
Branch:	powerpc-next
Compiler:	powerpc-gcc4.9 (powerpc64-linux-gcc (GCC) 4.9.4 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:	85xx/tqm8540_defconfig (download)
Log:	Download original No warnings found in log. Full Log # git rev-parse -q --verify 8d17c0c83c07bad137e2df3a45e9cd4e80d85418^{commit} 8d17c0c83c07bad137e2df3a45e9cd4e80d85418 already have revision, skipping fetch # git checkout -q -f -B kisskb 8d17c0c83c07bad137e2df3a45e9cd4e80d85418 # git clean -qxdf # < git log -1 # commit 8d17c0c83c07bad137e2df3a45e9cd4e80d85418 # Author: Ard Biesheuvel <ardb@kernel.org> # Date: Wed Oct 28 09:04:33 2020 +0100 # # powerpc: Avoid broken GCC __attribute__((optimize)) # # Commit 7053f80d9696 ("powerpc/64: Prevent stack protection in early # boot") introduced a couple of uses of __attribute__((optimize)) with # function scope, to disable the stack protector in some early boot # code. # # Unfortunately, and this is documented in the GCC man pages [0], # overriding function attributes for optimization is broken, and is only # supported for debug scenarios, not for production: the problem appears # to be that setting GCC -f flags using this method will cause it to # forget about some or all other optimization settings that have been # applied. # # So the only safe way to disable the stack protector is to disable it # for the entire source file. # # [0] https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html # # Fixes: 7053f80d9696 ("powerpc/64: Prevent stack protection in early boot") # Signed-off-by: Ard Biesheuvel <ardb@kernel.org> # [mpe: Drop one remaining use of __nostackprotector, reported by snowpatch] # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://lore.kernel.org/r/20201028080433.26799-1-ardb@kernel.org # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 8d17c0c83c07bad137e2df3a45e9cd4e80d85418 # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_85xx_tqm8540_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- 85xx/tqm8540_defconfig # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_85xx_tqm8540_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_85xx_tqm8540_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_85xx_tqm8540_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- INFO: Uncompressed kernel (size 0x571934) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x561238) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) Image Name: Linux-5.10.0-rc1-g8d17c0c83c07 Created: Fri Oct 30 04:02:44 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2772090 Bytes = 2707.12 KiB = 2.64 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-5.10.0-rc1-g8d17c0c83c07 Created: Fri Oct 30 04:02:44 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2802133 Bytes = 2736.46 KiB = 2.67 MiB Load Address: 00600000 Entry Point: 006002a4 Completed OK # rm -rf /kisskb/build/powerpc-next_85xx_tqm8540_defconfig_powerpc-gcc4.9 # Build took: 0:00:57.364007

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