Buildresult: powerpc-next/adder875_defconfig/powerpc-gcc5 built on Mar 5 2018, 13:37

kisskb

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Status:	OK
Date/Time:	Mar 5 2018, 13:37
Duration:	0:00:59.849796
Builder:	ka4
Revision:	powerpc: Keep const vars out of writable .sdata (`26a7f2efa8557bc235ef632d477b1aef6612bbc8)`
Target:	powerpc-next/adder875_defconfig/powerpc-gcc5
Branch:	powerpc-next
Compiler:	powerpc-gcc5 (powerpc64-linux-gcc (GCC) 5.3.0)
Config:	adder875_defconfig (download)
Log:	Download original Possible warnings (1) arch/powerpc/boot/mpc8xx.c:27:26: warning: variable 'div' set but not used [-Wunused-but-set-variable] Full Log # git rev-parse -q --verify 26a7f2efa8557bc235ef632d477b1aef6612bbc8^{commit} 26a7f2efa8557bc235ef632d477b1aef6612bbc8 already have revision, skipping fetch # git checkout -q -f -B kisskb 26a7f2efa8557bc235ef632d477b1aef6612bbc8 # git clean -qxdf # git log -1 commit 26a7f2efa8557bc235ef632d477b1aef6612bbc8 Author: Segher Boessenkool <segher@kernel.crashing.org> Date: Wed Feb 28 17:02:49 2018 -0800 powerpc: Keep const vars out of writable .sdata Newer gcc will support "-mno-readonly-in-sdata"[1], which makes sure that the optimization on PPC32 for variables getting moved into the .sdata section will not apply to const variables (which must be in .rodata). This was originally noticed in mm/rodata_test.c when rodata_test_data was not static: c0695034 g O .data 00000004 rodata_test_data After this patch with an updated compiler, this is correctly in .rodata. [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82411 Reported-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < git log --format=%s --max-count=1 26a7f2efa8557bc235ef632d477b1aef6612bbc8 # < make -s -j 10 ARCH=powerpc O=/kisskb/build/powerpc-next_adder875_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- adder875_defconfig # make -s -j 10 ARCH=powerpc O=/kisskb/build/powerpc-next_adder875_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/arch/powerpc/boot/mpc8xx.c: In function 'mpc885_get_clock': /kisskb/src/arch/powerpc/boot/mpc8xx.c:27:26: warning: variable 'div' set but not used [-Wunused-but-set-variable] int mfi, mfn, mfd, pdf, div; ^ INFO: Uncompressed kernel (size 0x40d838) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x500000) INFO: Uncompressed kernel (size 0x40d838) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x500000) Image Name: Linux-4.16.0-rc3-g26a7f2e Created: Mon Mar 5 13:38:03 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 1970404 Bytes = 1924.22 kB = 1.88 MB Load Address: 00500000 Entry Point: 005001a8 Completed OK # rm -rf /kisskb/build/powerpc-next_adder875_defconfig_powerpc-5.3 # Build took: 0:00:59.849796

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