Buildresult: powerpc-fixes/mpc8272_ads_defconfig/powerpc-gcc4.6 built on Mar 14 2018, 21:23
kisskb
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Status:
OK
Date/Time:
Mar 14 2018, 21:23
Duration:
0:00:57.360883
Builder:
ka3
Revision:
powerpc/64s: Fix NULL AT_BASE_PLATFORM when using DT CPU features (
e4b79900222b8cccd4da4a7a89581f0e1b764ed2)
Target:
powerpc-fixes/mpc8272_ads_defconfig/powerpc-gcc4.6
Branch:
powerpc-fixes
Compiler:
powerpc-gcc4.6
(powerpc-linux-gcc (GCC) 4.6.3)
Config:
mpc8272_ads_defconfig
(
download
)
Log:
Download original
Possible warnings (3)
kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] drivers/net/tun.c:1820:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] drivers/net/tun.c:1730:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized]
Full Log
# git rev-parse -q --verify e4b79900222b8cccd4da4a7a89581f0e1b764ed2^{commit} e4b79900222b8cccd4da4a7a89581f0e1b764ed2 already have revision, skipping fetch # git checkout -q -f -B kisskb e4b79900222b8cccd4da4a7a89581f0e1b764ed2 # git clean -qxdf # < git log -1 # commit e4b79900222b8cccd4da4a7a89581f0e1b764ed2 # Author: Michael Ellerman <mpe@ellerman.id.au> # Date: Tue Mar 13 15:58:11 2018 +1100 # # powerpc/64s: Fix NULL AT_BASE_PLATFORM when using DT CPU features # # When running virtualised the powerpc kernel is able to run the system # in "compat mode" - which means the kernel and hardware are pretending # to userspace that the CPU is an older version than it actually is. # # AT_BASE_PLATFORM is an AUXV entry that we export to userspace for use # when we're running in that mode, which tells userspace the "platform" # string for the real CPU version, as opposed to the faked version. # # Although we don't support compat mode when using DT CPU features, and # arguably don't need to set AT_BASE_PLATFORM, the existing cputable # based code always sets it even when we're running bare metal. That # means the lack of AT_BASE_PLATFORM is a user-visible artifact of the # fact that the kernel is using DT CPU features, which we don't want. # # So set it in the DT CPU features code also. # # This results in eg: # $ LD_SHOW_AUXV=1 /bin/true | grep "AT_.*PLATFORM" # AT_PLATFORM: power9 # AT_BASE_PLATFORM:power9 # # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Reviewed-by: Nicholas Piggin <npiggin@gmail.com> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 e4b79900222b8cccd4da4a7a89581f0e1b764ed2 # < make -s -j 20 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc8272_ads_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- mpc8272_ads_defconfig # make -s -j 20 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc8272_ads_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/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1820:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1730:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] INFO: Uncompressed kernel (size 0x539580) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x528fa8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) Image Name: Linux-4.16.0-rc2-ge4b7990 Created: Wed Mar 14 21:24:35 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2652739 Bytes = 2590.57 kB = 2.53 MB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-4.16.0-rc2-ge4b7990 Created: Wed Mar 14 21:24:35 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2676190 Bytes = 2613.47 kB = 2.55 MB Load Address: 00600000 Entry Point: 006007a0 Completed OK # rm -rf /kisskb/build/powerpc-fixes_mpc8272_ads_defconfig_powerpc # Build took: 0:00:57.360883
© Michael Ellerman 2006-2018.