# 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-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 19ce7909ed11c49f7eddf59e7f49cd3062bf83d5 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- mpc85xx_defconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_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:182:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1268:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/wm8960.c: In function 'wm8960_configure_clocking': /kisskb/src/sound/soc/codecs/wm8960.c:803:70: warning: 'j' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/wm8960.c:800:68: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2497:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1819:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1433:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c: In function 'allocate_bd': /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:139:6: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:231:19: note: 'i' was declared here 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/mpc8544ds.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/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' 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/mpc8555cds.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' INFO: Uncompressed kernel (size 0xb593dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb593dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb593dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb593dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb593dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb593dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb593dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb593dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb593dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb593dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb593dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb593dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb593dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb593dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb593dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb48c90) 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 21:05:15 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5490653 Bytes = 5361.97 kB = 5.24 MB Load Address: 00c00000 Entry Point: 00c00288 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:05:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5467832 Bytes = 5339.68 kB = 5.21 MB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:05:14 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5490666 Bytes = 5361.98 kB = 5.24 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:05:16 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5490957 Bytes = 5362.26 kB = 5.24 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:05:16 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5492405 Bytes = 5363.68 kB = 5.24 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:05:16 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5491630 Bytes = 5362.92 kB = 5.24 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:05:17 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5493491 Bytes = 5364.74 kB = 5.24 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:05:17 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5490666 Bytes = 5361.98 kB = 5.24 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:05:17 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5491121 Bytes = 5362.42 kB = 5.24 MB Load Address: 00c00000 Entry Point: 00c00288 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:05:17 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5493499 Bytes = 5364.75 kB = 5.24 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:05:17 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5491131 Bytes = 5362.43 kB = 5.24 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:05:17 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5491036 Bytes = 5362.34 kB = 5.24 MB Load Address: 00c00000 Entry Point: 00c00288 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:05:18 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5492242 Bytes = 5363.52 kB = 5.24 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:05:18 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5491091 Bytes = 5362.39 kB = 5.24 MB Load Address: 00c00000 Entry Point: 00c00288 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:05:18 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5491090 Bytes = 5362.39 kB = 5.24 MB Load Address: 00c00000 Entry Point: 00c00288 Image Name: Linux-4.16.0-g19ce790 Created: Wed Apr 11 21:05:18 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5491378 Bytes = 5362.67 kB = 5.24 MB Load Address: 00c00000 Entry Point: 00c00248 Completed OK # rm -rf /kisskb/build/powerpc-fixes_mpc85xx_defconfig_powerpc # Build took: 0:01:35.519502