Buildresult: powerpc-next/mpc83xx_defconfig/powerpc-gcc4.6 built on Mar 5 2018, 11:56

kisskb

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Status:	OK
Date/Time:	Mar 5 2018, 11:56
Duration:	0:00:56.145711
Builder:	ka1
Revision:	powerpc: Keep const vars out of writable .sdata (`26a7f2efa8557bc235ef632d477b1aef6612bbc8)`
Target:	powerpc-next/mpc83xx_defconfig/powerpc-gcc4.6
Branch:	powerpc-next
Compiler:	powerpc-gcc4.6 (powerpc-linux-gcc (GCC) 4.6.3)
Config:	mpc83xx_defconfig (download)
Log:	Download original Possible warnings (4) kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] arch/powerpc/boot/mpc832x_rdb.dtb: Warning (interrupts_property): interrupts size is (4), expected multiple of 8 in /qe@e0100000/mdio@3120/ethernet-phy@0 arch/powerpc/boot/mpc832x_rdb.dtb: Warning (interrupts_property): interrupts size is (4), expected multiple of 8 in /qe@e0100000/mdio@3120/ethernet-phy@4 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-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 26a7f2efa8557bc235ef632d477b1aef6612bbc8 # < make -s -j 8 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc83xx_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- mpc83xx_defconfig # make -s -j 8 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc83xx_defconfig_powerpc 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:183:16: warning: 'old' 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 arch/powerpc/boot/mpc832x_rdb.dtb: Warning (interrupts_property): interrupts size is (4), expected multiple of 8 in /qe@e0100000/mdio@3120/ethernet-phy@0 arch/powerpc/boot/mpc832x_rdb.dtb: Warning (interrupts_property): interrupts size is (4), expected multiple of 8 in /qe@e0100000/mdio@3120/ethernet-phy@4 INFO: Uncompressed kernel (size 0x5ff4a0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x5ff4a0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x5ff4a0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x5ff4a0) overlaps the address of the wrapper(0x400000) INFO: Uncompressed kernel (size 0x5ff4a0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x5ff4a0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x5eedf4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x5ff4a0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) Image Name: Linux-4.16.0-rc3-g26a7f2e Created: Mon Mar 5 11:57:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3000078 Bytes = 2929.76 kB = 2.86 MB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-4.16.0-rc3-g26a7f2e Created: Mon Mar 5 11:57:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3023759 Bytes = 2952.89 kB = 2.88 MB Load Address: 00600000 Entry Point: 00600230 Image Name: Linux-4.16.0-rc3-g26a7f2e Created: Mon Mar 5 11:57:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3024049 Bytes = 2953.17 kB = 2.88 MB Load Address: 00600000 Entry Point: 00600230 Image Name: Linux-4.16.0-rc3-g26a7f2e Created: Mon Mar 5 11:57:11 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3023730 Bytes = 2952.86 kB = 2.88 MB Load Address: 00600000 Entry Point: 00600230 Image Name: Linux-4.16.0-rc3-g26a7f2e Created: Mon Mar 5 11:57:12 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3023422 Bytes = 2952.56 kB = 2.88 MB Load Address: 00600000 Entry Point: 00600230 Image Name: Linux-4.16.0-rc3-g26a7f2e Created: Mon Mar 5 11:57:12 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3023486 Bytes = 2952.62 kB = 2.88 MB Load Address: 00600000 Entry Point: 00600230 Image Name: Linux-4.16.0-rc3-g26a7f2e Created: Mon Mar 5 11:57:12 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3023569 Bytes = 2952.70 kB = 2.88 MB Load Address: 00600000 Entry Point: 00600230 Completed OK # rm -rf /kisskb/build/powerpc-next_mpc83xx_defconfig_powerpc # Build took: 0:00:56.145711

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