Buildresult: powerpc-next/ppc64e_defconfig+KEXEC/powerpc-gcc5 built on May 23 2019, 20:25

kisskb

Revisions | Branches | Compilers | Configs | Build Results | Build Failures |

Status:	OK
Date/Time:	May 23 2019, 20:25
Duration:	0:01:35.193791
Builder:	ka1
Revision:	selftests/powerpc: Add a test of spectre_v2 mitigations (`13fef872f8b33431ebb920915252cafc651092dd)`
Target:	powerpc-next/ppc64e_defconfig+KEXEC/powerpc-gcc5
Branch:	powerpc-next
Compiler:	powerpc-gcc5 (powerpc64-linux-gcc (GCC) 5.5.0 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:	ppc64e_defconfig+KEXEC (download)
Log:	Download original Possible warnings (1) WARNING: vmlinux.o(.text+0x40e): Section mismatch in reference from the variable start_here_multiplatform to the function .init.text:.early_setup() Full Log # git rev-parse -q --verify 13fef872f8b33431ebb920915252cafc651092dd^{commit} 13fef872f8b33431ebb920915252cafc651092dd already have revision, skipping fetch # git checkout -q -f -B kisskb 13fef872f8b33431ebb920915252cafc651092dd # git clean -qxdf # < git log -1 # commit 13fef872f8b33431ebb920915252cafc651092dd # Author: Michael Ellerman <mpe@ellerman.id.au> # Date: Mon May 20 20:55:20 2019 +1000 # # selftests/powerpc: Add a test of spectre_v2 mitigations # # This test uses the PMU to count branch prediction hits/misses for a # known loop, and compare the result to the reported spectre v2 # mitigation. # # This gives us a way of sanity checking that the reported mitigation is # actually in effect. # # Sample output for some cases, eg: # # Power9: # sysfs reports: 'Vulnerable' # PM_BR_PRED_CCACHE: result 368 running/enabled 5792777124 # PM_BR_MPRED_CCACHE: result 319 running/enabled 5792775546 # PM_BR_PRED_PCACHE: result 2147483281 running/enabled 5792773128 # PM_BR_MPRED_PCACHE: result 213604201 running/enabled 5792771640 # Miss percent 9 % # OK - Measured branch prediction rates match reported spectre v2 mitigation. # # sysfs reports: 'Mitigation: Indirect branch serialisation (kernel only)' # PM_BR_PRED_CCACHE: result 895 running/enabled 5780320920 # PM_BR_MPRED_CCACHE: result 822 running/enabled 5780312414 # PM_BR_PRED_PCACHE: result 2147482754 running/enabled 5780308836 # PM_BR_MPRED_PCACHE: result 213639731 running/enabled 5780307912 # Miss percent 9 % # OK - Measured branch prediction rates match reported spectre v2 mitigation. # # sysfs reports: 'Mitigation: Indirect branch cache disabled' # PM_BR_PRED_CCACHE: result 2147483649 running/enabled 20540186160 # PM_BR_MPRED_CCACHE: result 2147483649 running/enabled 20540180056 # PM_BR_PRED_PCACHE: result 0 running/enabled 20540176090 # PM_BR_MPRED_PCACHE: result 0 running/enabled 20540174182 # Miss percent 100 % # OK - Measured branch prediction rates match reported spectre v2 mitigation. # # Power8: # sysfs reports: 'Vulnerable' # PM_BR_PRED_CCACHE: result 2147483649 running/enabled 3505888142 # PM_BR_MPRED_CCACHE: result 9 running/enabled 3505882788 # Miss percent 0 % # OK - Measured branch prediction rates match reported spectre v2 mitigation. # # sysfs reports: 'Mitigation: Indirect branch cache disabled' # PM_BR_PRED_CCACHE: result 2147483649 running/enabled 16931421988 # PM_BR_MPRED_CCACHE: result 2147483649 running/enabled 16931416478 # Miss percent 100 % # OK - Measured branch prediction rates match reported spectre v2 mitigation. # success: spectre_v2 # # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 13fef872f8b33431ebb920915252cafc651092dd # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ppc64e_defconfig # Added to kconfig CONFIG_KEXEC=y # yes \n \| make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- WARNING: vmlinux.o(.text+0x40e): Section mismatch in reference from the variable start_here_multiplatform to the function .init.text:.early_setup() The function start_here_multiplatform() references the function __init .early_setup(). This is often because start_here_multiplatform lacks a __init annotation or the annotation of .early_setup is wrong. INFO: Uncompressed kernel (size 0xc97088) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) Image Name: Linux-5.2.0-rc1-g13fef872f8b3 Created: Thu May 23 20:27:20 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5367146 Bytes = 5241.35 KiB = 5.12 MiB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc5 # Build took: 0:01:35.193791

© Michael Ellerman 2006-2018.