Buildresult: powerpc-fixes/s390-defconfig/s390x-gcc8 built on Feb 16, 00:33

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Status:	OK
Date/Time:	Feb 16, 00:33
Duration:	0:07:08.166355
Builder:	alpine1
Revision:	powerpc/iommu: Fix the missing iommu_group_put() during platform domain attach (`0846dd77c8349ec92ca0079c9c71d130f34cb192)`
Target:	powerpc-fixes/s390-defconfig/s390x-gcc8
Branch:	powerpc-fixes
Compiler:	s390x-gcc8 (s390-linux-gcc (GCC) 8.5.0 / GNU ld (GNU Binutils) 2.36.1)
Config:	defconfig (download)
Log:	Download original Possible warnings (1) .config:3740:warning: override: reassigning to symbol DEBUG_INFO_BTF Full Log # git rev-parse -q --verify 0846dd77c8349ec92ca0079c9c71d130f34cb192^{commit} 0846dd77c8349ec92ca0079c9c71d130f34cb192 already have revision, skipping fetch # git checkout -q -f -B kisskb 0846dd77c8349ec92ca0079c9c71d130f34cb192 # git clean -qxdf # < git log -1 # commit 0846dd77c8349ec92ca0079c9c71d130f34cb192 # Author: Shivaprasad G Bhat <sbhat@linux.ibm.com> # Date: Tue Feb 13 10:05:22 2024 -0600 # # powerpc/iommu: Fix the missing iommu_group_put() during platform domain attach # # The function spapr_tce_platform_iommu_attach_dev() is missing to call # iommu_group_put() when the domain is already set. This refcount leak # shows up with BUG_ON() during DLPAR remove operation as: # # KernelBug: Kernel bug in state 'None': kernel BUG at arch/powerpc/platforms/pseries/iommu.c:100! # Oops: Exception in kernel mode, sig: 5 [#1] # LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=8192 NUMA pSeries # <snip> # Hardware name: IBM,9080-HEX POWER10 (raw) 0x800200 0xf000006 of:IBM,FW1060.00 (NH1060_016) hv:phyp pSeries # NIP: c0000000000ff4d4 LR: c0000000000ff4cc CTR: 0000000000000000 # REGS: c0000013aed5f840 TRAP: 0700 Tainted: G I (6.8.0-rc3-autotest-g99bd3cb0d12e) # MSR: 8000000000029033 <SF,EE,ME,IR,DR,RI,LE> CR: 44002402 XER: 20040000 # CFAR: c000000000a0d170 IRQMASK: 0 # ... # NIP iommu_reconfig_notifier+0x94/0x200 # LR iommu_reconfig_notifier+0x8c/0x200 # Call Trace: # iommu_reconfig_notifier+0x8c/0x200 (unreliable) # notifier_call_chain+0xb8/0x19c # blocking_notifier_call_chain+0x64/0x98 # of_reconfig_notify+0x44/0xdc # of_detach_node+0x78/0xb0 # ofdt_write.part.0+0x86c/0xbb8 # proc_reg_write+0xf4/0x150 # vfs_write+0xf8/0x488 # ksys_write+0x84/0x140 # system_call_exception+0x138/0x330 # system_call_vectored_common+0x15c/0x2ec # # The patch adds the missing iommu_group_put() call. # # Fixes: a8ca9fc9134c ("powerpc/iommu: Do not do platform domain attach atctions after probe") # Reported-by: Venkat Rao Bagalkote <venkat88@linux.vnet.ibm.com> # Closes: https://lore.kernel.org/all/274e0d2b-b5cc-475e-94e6-8427e88e271d@linux.vnet.ibm.com/ # Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com> # Tested-by: Venkat Rao Bagalkote <venkat88@linux.vnet.ibm.com> # Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://msgid.link/170784021983.6249.10039296655906636112.stgit@linux.ibm.com # < /opt/cross/kisskb/korg/gcc-8.5.0-nolibc/s390-linux/bin/s390-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.5.0-nolibc/s390-linux/bin/s390-linux-ld --version # < git log --format=%s --max-count=1 0846dd77c8349ec92ca0079c9c71d130f34cb192 # make -s -j 160 ARCH=s390 O=/kisskb/build/powerpc-fixes_defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.5.0-nolibc/s390-linux/bin/s390-linux- defconfig # Added to kconfig CONFIG_DEBUG_INFO_BTF=n # Added to kconfig # < make -s -j 160 ARCH=s390 O=/kisskb/build/powerpc-fixes_defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.5.0-nolibc/s390-linux/bin/s390-linux- help # make -s -j 160 ARCH=s390 O=/kisskb/build/powerpc-fixes_defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.5.0-nolibc/s390-linux/bin/s390-linux- olddefconfig .config:3740:warning: override: reassigning to symbol DEBUG_INFO_BTF # make -s -j 160 ARCH=s390 O=/kisskb/build/powerpc-fixes_defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.5.0-nolibc/s390-linux/bin/s390-linux- Completed OK # rm -rf /kisskb/build/powerpc-fixes_defconfig_s390x-gcc8 # Build took: 0:07:08.166355

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