Buildresult: powerpc-fixes/pseries_defconfig+NO_MEMORY_HOTREMOVE/powerpc-gcc11 built on Nov 30 2021, 01:32

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Status:	OK
Date/Time:	Nov 30 2021, 01:32
Duration:	0:05:18.960129
Builder:	blade4b
Revision:	powerpc/85xx: Fix oops when CONFIG_FSL_PMC=n (`3dc709e518b47386e6af937eaec37bb36539edfd)`
Target:	powerpc-fixes/pseries_defconfig+NO_MEMORY_HOTREMOVE/powerpc-gcc11
Branch:	powerpc-fixes
Compiler:	powerpc-gcc11 (powerpc64-linux-gcc (GCC) 11.1.0 / GNU ld (GNU Binutils) 2.36.1)
Config:	pseries_defconfig+NO_MEMORY_HOTREMOVE (download)
Log:	Download original Possible warnings (1) <stdin>:1559:2: warning: #warning syscall futex_waitv not implemented [-Wcpp] Full Log # git rev-parse -q --verify 3dc709e518b47386e6af937eaec37bb36539edfd^{commit} 3dc709e518b47386e6af937eaec37bb36539edfd already have revision, skipping fetch # git checkout -q -f -B kisskb 3dc709e518b47386e6af937eaec37bb36539edfd # git clean -qxdf # < git log -1 # commit 3dc709e518b47386e6af937eaec37bb36539edfd # Author: Xiaoming Ni <nixiaoming@huawei.com> # Date: Fri Nov 26 12:11:53 2021 +0800 # # powerpc/85xx: Fix oops when CONFIG_FSL_PMC=n # # When CONFIG_FSL_PMC is set to n, no value is assigned to cpu_up_prepare # in the mpc85xx_pm_ops structure. As a result, oops is triggered in # smp_85xx_start_cpu(). # # smp: Bringing up secondary CPUs ... # kernel tried to execute user page (0) - exploit attempt? (uid: 0) # BUG: Unable to handle kernel instruction fetch (NULL pointer?) # Faulting instruction address: 0x00000000 # Oops: Kernel access of bad area, sig: 11 [#1] # ... # NIP [00000000] 0x0 # LR [c0021d2c] smp_85xx_kick_cpu+0xe8/0x568 # Call Trace: # [c1051da8] [c0021cb8] smp_85xx_kick_cpu+0x74/0x568 (unreliable) # [c1051de8] [c0011460] __cpu_up+0xc0/0x228 # [c1051e18] [c0031bbc] bringup_cpu+0x30/0x224 # [c1051e48] [c0031f3c] cpu_up.constprop.0+0x180/0x33c # [c1051e88] [c00322e8] bringup_nonboot_cpus+0x88/0xc8 # [c1051eb8] [c07e67bc] smp_init+0x30/0x78 # [c1051ed8] [c07d9e28] kernel_init_freeable+0x118/0x2a8 # [c1051f18] [c00032d8] kernel_init+0x14/0x124 # [c1051f38] [c0010278] ret_from_kernel_thread+0x14/0x1c # # Fixes: c45361abb918 ("powerpc/85xx: fix timebase sync issue when CONFIG_HOTPLUG_CPU=n") # Reported-by: Martin Kennedy <hurricos@gmail.com> # Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com> # Tested-by: Martin Kennedy <hurricos@gmail.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://lore.kernel.org/r/20211126041153.16926-1-nixiaoming@huawei.com # < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 3dc709e518b47386e6af937eaec37bb36539edfd # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pseries_defconfig+NO_MEMORY_HOTREMOVE_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- pseries_defconfig # Added to kconfig CONFIG_MEMORY_HOTPLUG=y # Added to kconfig CONFIG_MEMORY_HOTREMOVE=n # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pseries_defconfig+NO_MEMORY_HOTREMOVE_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pseries_defconfig+NO_MEMORY_HOTREMOVE_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pseries_defconfig+NO_MEMORY_HOTREMOVE_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- <stdin>:1559:2: warning: #warning syscall futex_waitv not implemented [-Wcpp] Completed OK # rm -rf /kisskb/build/powerpc-fixes_pseries_defconfig+NO_MEMORY_HOTREMOVE_powerpc-gcc11 # Build took: 0:05:18.960129

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