# git rev-parse -q --verify 19ce7909ed11c49f7eddf59e7f49cd3062bf83d5^{commit} 19ce7909ed11c49f7eddf59e7f49cd3062bf83d5 already have revision, skipping fetch # git checkout -q -f -B kisskb 19ce7909ed11c49f7eddf59e7f49cd3062bf83d5 # git clean -qxdf # < git log -1 # commit 19ce7909ed11c49f7eddf59e7f49cd3062bf83d5 # Author: Nicholas Piggin # Date: Fri Apr 6 03:56:30 2018 +1000 # # KVM: PPC: Book3S HV: trace_tlbie must not be called in realmode # # This crashes with a "Bad real address for load" attempting to load # from the vmalloc region in realmode (faulting address is in DAR). # # Oops: Bad interrupt in KVM entry/exit code, sig: 6 [#1] # LE SMP NR_CPUS=2048 NUMA PowerNV # CPU: 53 PID: 6582 Comm: qemu-system-ppc Not tainted 4.16.0-01530-g43d1859f0994 # NIP: c0000000000155ac LR: c0000000000c2430 CTR: c000000000015580 # REGS: c000000fff76dd80 TRAP: 0200 Not tainted (4.16.0-01530-g43d1859f0994) # MSR: 9000000000201003 CR: 48082222 XER: 00000000 # CFAR: 0000000102900ef0 DAR: d00017fffd941a28 DSISR: 00000040 SOFTE: 3 # NIP [c0000000000155ac] perf_trace_tlbie+0x2c/0x1a0 # LR [c0000000000c2430] do_tlbies+0x230/0x2f0 # # I suspect the reason is the per-cpu data is not in the linear chunk. # This could be restored if that was able to be fixed, but for now, # just remove the tracepoints. # # Fixes: 0428491cba92 ("powerpc/mm: Trace tlbie(l) instructions") # Cc: stable@vger.kernel.org # v4.13+ # Signed-off-by: Nicholas Piggin # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < git log --format=%s --max-count=1 19ce7909ed11c49f7eddf59e7f49cd3062bf83d5 # < make -s -j 40 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- mpc85xx_defconfig # make -s -j 40 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- In file included from /kisskb/src/include/linux/kernel.h:10:0, from /kisskb/src/include/linux/list.h:9, from /kisskb/src/include/linux/module.h:9, from /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:15: /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c: In function 'allocate_bd': /kisskb/src/include/linux/err.h:22:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) ^ /kisskb/src/include/linux/compiler.h:77:42: note: in definition of macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^ /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:139:6: note: in expansion of macro 'IS_ERR_VALUE' if (IS_ERR_VALUE(fep->ring_mem_addr)) ^ arch/powerpc/boot/mpc8541cds.dtb: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) arch/powerpc/boot/mpc8572ds.dtb: Warning (pci_bridge): /pcie@ffe08000/pcie@0: missing bus-range for PCI bridge arch/powerpc/boot/mpc8572ds.dtb: Warning (pci_bridge): /pcie@ffe09000/pcie@0: missing bus-range for PCI bridge arch/powerpc/boot/mpc8572ds.dtb: Warning (pci_bridge): /pcie@ffe0a000/pcie@0: missing bus-range for PCI bridge arch/powerpc/boot/mpc8572ds.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' arch/powerpc/boot/mpc8548cds_32b.dtb: Warning (pci_bridge): /pcie@e000a000/pcie@0: missing bus-range for PCI bridge arch/powerpc/boot/mpc8548cds_32b.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' arch/powerpc/boot/mpc8568mds.dtb: Warning (pci_bridge): /pcie@e000a000/pcie@0: missing bus-range for PCI bridge arch/powerpc/boot/mpc8568mds.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' arch/powerpc/boot/mpc8544ds.dtb: Warning (pci_bridge): /pcie@e0009000/pcie@0: missing bus-range for PCI bridge arch/powerpc/boot/mpc8544ds.dtb: Warning (pci_bridge): /pcie@e000a000/pcie@0: missing bus-range for PCI bridge arch/powerpc/boot/mpc8544ds.dtb: Warning (pci_bridge): /pcie@e000b000/pcie@0: missing bus-range for PCI bridge arch/powerpc/boot/mpc8555cds.dtb: Warning (pci_device_bus_num): arch/powerpc/boot/mpc8544ds.dtb: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000Failed prerequisite 'pci_bridge':bus-range : PCI bus number 1 out of range, expected (0 - 0) arch/powerpc/boot/sbc8548.dtb: Warning (pci_bridge): /pcie@e000a000/pcie@0: missing bus-range for PCI bridge arch/powerpc/boot/sbc8548.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' arch/powerpc/boot/tqm8548.dtb: Warning (pci_bridge): /pcie@e000a000/pcie@0: missing bus-range for PCI bridge arch/powerpc/boot/tqm8548.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' INFO: Uncompressed kernel (size 0xb556dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb556dc) overlaps the address of the wrapper(0x400000) INFO: Uncompressed kernel (size 0xb556dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb556dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb556dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb556dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb556dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb556dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb556dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb556dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb556dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb556dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb556dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb556dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb556dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb44f24) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5547104 Bytes = 5417.09 kB = 5.29 MB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5570882 Bytes = 5440.31 kB = 5.31 MB Load Address: 00c00000 Entry Point: 00c0020c Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5572460 Bytes = 5441.86 kB = 5.31 MB Load Address: 00c00000 Entry Point: 00c0020c Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5573630 Bytes = 5443.00 kB = 5.32 MB Load Address: 00c00000 Entry Point: 00c0020c Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5570865 Bytes = 5440.30 kB = 5.31 MB Load Address: 00c00000 Entry Point: 00c00278 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5571077 Bytes = 5440.50 kB = 5.31 MB Load Address: 00c00000 Entry Point: 00c00278 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5571001 Bytes = 5440.43 kB = 5.31 MB Load Address: 00c00000 Entry Point: 00c00278 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5573328 Bytes = 5442.70 kB = 5.32 MB Load Address: 00c00000 Entry Point: 00c0020c Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5570889 Bytes = 5440.32 kB = 5.31 MB Load Address: 00c00000 Entry Point: 00c00278 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5573590 Bytes = 5442.96 kB = 5.32 MB Load Address: 00c00000 Entry Point: 00c0020c Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5570864 Bytes = 5440.30 kB = 5.31 MB Load Address: 00c00000 Entry Point: 00c00278 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5571688 Bytes = 5441.10 kB = 5.31 MB Load Address: 00c00000 Entry Point: 00c0020c Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5570889 Bytes = 5440.32 kB = 5.31 MB Load Address: 00c00000 Entry Point: 00c0020c Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5571263 Bytes = 5440.69 kB = 5.31 MB Load Address: 00c00000 Entry Point: 00c0020c Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5570913 Bytes = 5440.34 kB = 5.31 MB Load Address: 00c00000 Entry Point: 00c0020c Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:48:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5570758 Bytes = 5440.19 kB = 5.31 MB Load Address: 00c00000 Entry Point: 00c0020c Completed OK # rm -rf /kisskb/build/powerpc-fixes_mpc85xx_defconfig_powerpc-5.3 # Build took: 0:01:09.866293