# git rev-parse -q --verify 4ea6e7299deb821cd410d8efb8ad86de9f867251^{commit} 4ea6e7299deb821cd410d8efb8ad86de9f867251 already have revision, skipping fetch # git checkout -q -f -B kisskb 4ea6e7299deb821cd410d8efb8ad86de9f867251 # git clean -qxdf # < git log -1 # commit 4ea6e7299deb821cd410d8efb8ad86de9f867251 # Author: Ravi Bangoria # Date: Thu Jun 13 09:00:14 2019 +0530 # # powerpc/watchpoint: Restore NV GPRs while returning from exception # # powerpc hardware triggers watchpoint before executing the instruction. # To make trigger-after-execute behavior, kernel emulates the # instruction. If the instruction is 'load something into non-volatile # register', exception handler should restore emulated register state # while returning back, otherwise there will be register state # corruption. eg, adding a watchpoint on a list can corrput the list: # # # cat /proc/kallsyms | grep kthread_create_list # c00000000121c8b8 d kthread_create_list # # Add watchpoint on kthread_create_list->prev: # # # perf record -e mem:0xc00000000121c8c0 # # Run some workload such that new kthread gets invoked. eg, I just # logged out from console: # # list_add corruption. next->prev should be prev (c000000001214e00), \ # but was c00000000121c8b8. (next=c00000000121c8b8). # WARNING: CPU: 59 PID: 309 at lib/list_debug.c:25 __list_add_valid+0xb4/0xc0 # CPU: 59 PID: 309 Comm: kworker/59:0 Kdump: loaded Not tainted 5.1.0-rc7+ #69 # ... # NIP __list_add_valid+0xb4/0xc0 # LR __list_add_valid+0xb0/0xc0 # Call Trace: # __list_add_valid+0xb0/0xc0 (unreliable) # __kthread_create_on_node+0xe0/0x260 # kthread_create_on_node+0x34/0x50 # create_worker+0xe8/0x260 # worker_thread+0x444/0x560 # kthread+0x160/0x1a0 # ret_from_kernel_thread+0x5c/0x70 # # List corruption happened because it uses 'load into non-volatile # register' instruction: # # Snippet from __kthread_create_on_node: # # c000000000136be8: addis r29,r2,-19 # c000000000136bec: ld r29,31424(r29) # if (!__list_add_valid(new, prev, next)) # c000000000136bf0: mr r3,r30 # c000000000136bf4: mr r5,r28 # c000000000136bf8: mr r4,r29 # c000000000136bfc: bl c00000000059a2f8 <__list_add_valid+0x8> # # Register state from WARN_ON(): # # GPR00: c00000000059a3a0 c000007ff23afb50 c000000001344e00 0000000000000075 # GPR04: 0000000000000000 0000000000000000 0000001852af8bc1 0000000000000000 # GPR08: 0000000000000001 0000000000000007 0000000000000006 00000000000004aa # GPR12: 0000000000000000 c000007ffffeb080 c000000000137038 c000005ff62aaa00 # GPR16: 0000000000000000 0000000000000000 c000007fffbe7600 c000007fffbe7370 # GPR20: c000007fffbe7320 c000007fffbe7300 c000000001373a00 0000000000000000 # GPR24: fffffffffffffef7 c00000000012e320 c000007ff23afcb0 c000000000cb8628 # GPR28: c00000000121c8b8 c000000001214e00 c000007fef5b17e8 c000007fef5b17c0 # # Watchpoint hit at 0xc000000000136bec. # # addis r29,r2,-19 # => r29 = 0xc000000001344e00 + (-19 << 16) # => r29 = 0xc000000001214e00 # # ld r29,31424(r29) # => r29 = *(0xc000000001214e00 + 31424) # => r29 = *(0xc00000000121c8c0) # # 0xc00000000121c8c0 is where we placed a watchpoint and thus this # instruction was emulated by emulate_step. But because handle_dabr_fault # did not restore emulated register state, r29 still contains stale # value in above register state. # # Fixes: 5aae8a5370802 ("powerpc, hw_breakpoints: Implement hw_breakpoints for 64-bit server processors") # Signed-off-by: Ravi Bangoria # Cc: stable@vger.kernel.org # 2.6.36+ # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version # < git log --format=%s --max-count=1 4ea6e7299deb821cd410d8efb8ad86de9f867251 # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc32_allmodconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ppc32_allmodconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc32_allmodconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/arch/powerpc/boot/dts/virtex440-ml510.dts:335.37-439.6: Warning (pci_bridge): /plb@0/plbv46-pci@85e00000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/virtex440-ml510.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/icon.dts:318.26-357.5: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/icon.dts:359.26-398.5: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/icon.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/makalu.dts:271.25-310.5: Warning (pci_bridge): /plb/pciex@a0000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/makalu.dts:312.25-351.5: Warning (pci_bridge): /plb/pciex@c0000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/makalu.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@fffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16 /kisskb/src/arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@fffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16 /kisskb/src/arch/powerpc/boot/dts/mgcoge.dts:234.14-238.7: Warning (spi_bus_reg): /soc@f0000000/cpm@119c0/spi@11aa0/ds3106@1: SPI bus unit address format error, expected "0" /kisskb/src/arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16 /kisskb/src/arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16 /kisskb/src/arch/powerpc/boot/dts/glacier.dts:492.26-532.5: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/glacier.dts:534.26-574.5: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/glacier.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/ppa8548.dts:38.22-41.4: Warning (pci_bridge): /pci@fe0008000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8548si-post.dtsi:43.7-51.3 /kisskb/src/arch/powerpc/boot/dts/fsl/ppa8548.dts:43.22-46.4: Warning (pci_bridge): /pci@fe0009000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8548si-post.dtsi:54.7-62.3 /kisskb/src/arch/powerpc/boot/dts/fsl/ppa8548.dts:48.23-51.4: Warning (pci_bridge): /pcie@fe000a000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8548si-post.dtsi:65.7-90.3 /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8548si-post.dtsi:74.9-89.4: Warning (pci_bridge): /pcie@fe000a000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/ppa8548.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:271.20-284.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/motionpro.dts:88.15-90.4 arch/powerpc/boot/dts/motionpro.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8555cds.dts:334.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) /kisskb/src/arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16 /kisskb/src/arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16 /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:271.20-284.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/uc101.dts:104.15-106.4 arch/powerpc/boot/dts/uc101.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/akebono.dts:251.28-289.5: Warning (pci_bridge): /plb/pciex@10100000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/akebono.dts:291.28-329.5: Warning (pci_bridge): /plb/pciex@20100000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/akebono.dts:331.28-369.5: Warning (pci_bridge): /plb/pciex@18100000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/akebono.dts:371.28-409.5: Warning (pci_bridge): /plb/pciex@28100000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/akebono.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/gef_sbc610.dts:213.22-215.4: Warning (pci_bridge): /pcie@fef09000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:124.7-149.3 /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:134.9-148.4: Warning (pci_bridge): /pcie@fef09000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/gef_sbc610.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:271.20-284.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/o2d.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:186.18-190.5: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi' also defined at /kisskb/src/arch/powerpc/boot/dts/o2d.dtsi:36.12-47.5 arch/powerpc/boot/dts/o2d.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5121.dtsi:401.13-410.5: Warning (spi_bus_bridge): /soc@80000000/psc@11400: node name for SPI buses should be 'spi' also defined at /kisskb/src/arch/powerpc/boot/dts/ac14xx.dts:309.19-330.5 /kisskb/src/arch/powerpc/boot/dts/mpc5121.dtsi:413.13-422.5: Warning (spi_bus_bridge): /soc@80000000/psc@11500: node name for SPI buses should be 'spi' also defined at /kisskb/src/arch/powerpc/boot/dts/ac14xx.dts:333.19-348.5 arch/powerpc/boot/dts/ac14xx.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:271.20-284.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/cm5200.dts:74.15-76.4 arch/powerpc/boot/dts/cm5200.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/kmcoge4.dts:200.23-202.4: Warning (pci_bridge): /pcie@ffe201000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/p2041si-post.dtsi:87.7-113.3 /kisskb/src/arch/powerpc/boot/dts/fsl/p2041si-post.dtsi:97.9-112.4: Warning (pci_bridge): /pcie@ffe201000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/kmcoge4.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@fffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16 /kisskb/src/arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi:38.2-25: Warning (interrupts_property): /soc@fffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16 /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:271.20-284.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/a3m071.dts:139.15-141.4 arch/powerpc/boot/dts/a3m071.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/haleakala.dts:240.25-279.5: Warning (pci_bridge): /plb/pciex@a0000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/haleakala.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/p2020rdb-pc_36b.dts:59.23-62.4: Warning (pci_bridge): /pcie@fffe08000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/p2020si-post.dtsi:100.7-126.3 /kisskb/src/arch/powerpc/boot/dts/fsl/p2020si-post.dtsi:109.9-125.4: Warning (pci_bridge): /pcie@fffe08000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/p2020rdb-pc_36b.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/gef_ppc9a.dts:215.22-217.4: Warning (pci_bridge): /pcie@fef09000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:124.7-149.3 /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:134.9-148.4: Warning (pci_bridge): /pcie@fef09000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/gef_ppc9a.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/bluestone.dts:343.26-383.5: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/bluestone.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/bluestone.dts:287.13-292.7: Warning (i2c_bus_reg): /plb/opb/i2c@ef600700/sttm@4C: I2C bus unit address format error, expected "4c" /kisskb/src/arch/powerpc/boot/dts/fsl/p1020rdb-pd.dts:189.11-193.6: Warning (spi_bus_reg): /soc@ffe00000/spi@7000/slic@0: SPI bus unit address format error, expected "1" /kisskb/src/arch/powerpc/boot/dts/fsl/p1020rdb-pd.dts:195.11-199.6: Warning (spi_bus_reg): /soc@ffe00000/spi@7000/slic@1: SPI bus unit address format error, expected "2" /kisskb/src/arch/powerpc/boot/dts/katmai.dts:322.26-361.5: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/katmai.dts:363.26-402.5: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/katmai.dts:404.26-443.5: Warning (pci_bridge): /plb/pciex@d40000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/katmai.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/oca4080.dts:132.23-134.4: Warning (pci_bridge): /pcie@ffe200000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/p4080si-post.dtsi:58.7-84.3 /kisskb/src/arch/powerpc/boot/dts/fsl/p4080si-post.dtsi:68.9-83.4: Warning (pci_bridge): /pcie@ffe200000/pcie@0: missing ranges for PCI bridge (or not a bridge) /kisskb/src/arch/powerpc/boot/dts/fsl/oca4080.dts:136.23-138.4: Warning (pci_bridge): /pcie@ffe201000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/p4080si-post.dtsi:87.7-113.3 /kisskb/src/arch/powerpc/boot/dts/fsl/p4080si-post.dtsi:97.9-112.4: Warning (pci_bridge): /pcie@ffe201000/pcie@0: missing ranges for PCI bridge (or not a bridge) /kisskb/src/arch/powerpc/boot/dts/fsl/oca4080.dts:140.23-142.4: Warning (pci_bridge): /pcie@ffe202000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/p4080si-post.dtsi:116.7-142.3 /kisskb/src/arch/powerpc/boot/dts/fsl/p4080si-post.dtsi:126.9-141.4: Warning (pci_bridge): /pcie@ffe202000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/oca4080.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/p2020rdb.dts:255.22-258.4: Warning (pci_bridge): /pcie@ffe08000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/p2020si-post.dtsi:43.7-68.3 /kisskb/src/arch/powerpc/boot/dts/fsl/p2020si-post.dtsi:52.9-67.4: Warning (pci_bridge): /pcie@ffe08000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/p2020rdb.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:271.20-284.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/o2i.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:186.18-190.5: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi' also defined at /kisskb/src/arch/powerpc/boot/dts/o2d.dtsi:36.12-47.5 arch/powerpc/boot/dts/o2i.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8541cds.dts:334.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) /kisskb/src/arch/powerpc/boot/dts/fsl/mvme7100.dts:140.22-142.4: Warning (pci_bridge): /pcie@f1008000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:97.7-122.3 /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:107.9-121.4: Warning (pci_bridge): /pcie@f1008000/pcie@0: missing ranges for PCI bridge (or not a bridge) /kisskb/src/arch/powerpc/boot/dts/fsl/mvme7100.dts:144.22-146.4: Warning (pci_bridge): /pcie@f1009000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:124.7-149.3 /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:134.9-148.4: Warning (pci_bridge): /pcie@f1009000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/mvme7100.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/mvme7100.dts:35.11-37.6: Warning (i2c_bus_reg): /soc@f1000000/i2c@3000/rtc@68: missing or empty reg property /kisskb/src/arch/powerpc/boot/dts/stxssa8555.dts:333.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) /kisskb/src/arch/powerpc/boot/dts/fsl/p2020rdb-pc_32b.dts:59.22-62.4: Warning (pci_bridge): /pcie@ffe08000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/p2020si-post.dtsi:100.7-126.3 /kisskb/src/arch/powerpc/boot/dts/fsl/p2020si-post.dtsi:109.9-125.4: Warning (pci_bridge): /pcie@ffe08000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/p2020rdb-pc_32b.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/currituck.dts:125.28-161.5: Warning (pci_bridge): /plb/pciex@10100000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/currituck.dts:163.28-198.5: Warning (pci_bridge): /plb/pciex@30100000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/currituck.dts:200.28-235.5: Warning (pci_bridge): /plb/pciex@38100000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/currituck.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/kmcent2.dts:263.23-265.4: Warning (pci_bridge): /pcie@ffe250000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi:85.7-109.3 /kisskb/src/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi:93.9-108.4: Warning (pci_bridge): /pcie@ffe250000/pcie@0: missing ranges for PCI bridge (or not a bridge) /kisskb/src/arch/powerpc/boot/dts/fsl/kmcent2.dts:267.23-269.4: Warning (pci_bridge): /pcie@ffe260000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi:111.7-135.3 /kisskb/src/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi:119.9-134.4: Warning (pci_bridge): /pcie@ffe260000/pcie@0: missing ranges for PCI bridge (or not a bridge) /kisskb/src/arch/powerpc/boot/dts/fsl/kmcent2.dts:271.23-273.4: Warning (pci_bridge): /pcie@ffe270000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi:137.7-161.3 /kisskb/src/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi:145.9-160.4: Warning (pci_bridge): /pcie@ffe270000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/kmcent2.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc8610_hpcd.dts:423.3-21: Warning (pci_device_bus_num): /pcie@e000a000/pcie@0:bus-range: PCI bus number 0 out of range, expected (1 - 1) /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:271.20-284.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/o2mnt.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:186.18-190.5: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi' also defined at /kisskb/src/arch/powerpc/boot/dts/o2d.dtsi:36.12-47.5 arch/powerpc/boot/dts/o2mnt.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' /kisskb/src/arch/powerpc/boot/dts/canyonlands.dts:464.26-504.5: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/canyonlands.dts:506.26-546.5: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/canyonlands.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:271.20-284.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/o2dnt2.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:186.18-190.5: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi' also defined at /kisskb/src/arch/powerpc/boot/dts/o2d.dtsi:36.12-47.5 arch/powerpc/boot/dts/o2dnt2.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:271.20-284.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/o3dnt.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:186.18-190.5: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi' also defined at /kisskb/src/arch/powerpc/boot/dts/o2d.dtsi:36.12-47.5 arch/powerpc/boot/dts/o3dnt.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' /kisskb/src/arch/powerpc/boot/dts/redwood.dts:238.26-277.5: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/redwood.dts:279.26-318.5: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/redwood.dts:320.26-359.5: Warning (pci_bridge): /plb/pciex@d40000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/redwood.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/xpedite5200_xmon.dts:142.11-145.6: Warning (i2c_bus_reg): /soc@ef000000/i2c@3000/dtt@48: I2C bus unit address format error, expected "34" /kisskb/src/arch/powerpc/boot/dts/kilauea.dts:325.25-364.5: Warning (pci_bridge): /plb/pciex@a0000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/kilauea.dts:366.25-405.5: Warning (pci_bridge): /plb/pciex@c0000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/kilauea.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:271.20-284.4: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/o2d300.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:186.18-190.5: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi' also defined at /kisskb/src/arch/powerpc/boot/dts/o2d.dtsi:36.12-47.5 arch/powerpc/boot/dts/o2d300.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5121.dtsi:461.13-470.5: Warning (spi_bus_bridge): /soc@80000000/psc@11900: node name for SPI buses should be 'spi' also defined at /kisskb/src/arch/powerpc/boot/dts/pdm360ng.dts:176.13-189.5 arch/powerpc/boot/dts/pdm360ng.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' /kisskb/src/arch/powerpc/boot/dts/xpedite5200.dts:138.11-141.6: Warning (i2c_bus_reg): /soc@ef000000/i2c@3000/dtt@48: I2C bus unit address format error, expected "34" /kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_nodes': /kisskb/src/kernel/rcu/srcutree.c:140:32: warning: 'levelspread[]' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:194:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/afs/dynroot.c: In function 'afs_lookup_atcell': /kisskb/src/fs/afs/dynroot.c:122:6: warning: 'len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/hda/hdac_regmap.c: In function 'hda_reg_write': /kisskb/src/sound/hda/hdac_regmap.c:283:16: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c: In function 'futex_atomic_op_inuser': /kisskb/src/kernel/futex.c:1668:3: warning: 'oldval' 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:2589:6: 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:1850:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/ppc/awacs.c: In function 'snd_pmac_awacs_init': /kisskb/src/include/sound/control.h:223:2: warning: 'speaker_vol' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/ppc/awacs.c:886:36: note: 'speaker_vol' was declared here /kisskb/src/fs/f2fs/file.c: In function 'f2fs_precache_extents': /kisskb/src/fs/f2fs/file.c:2951:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/node.c: In function '__set_nat_cache_dirty': /kisskb/src/include/linux/list.h:93:12: warning: 'head' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/node.c:237:24: note: 'head' was declared here /kisskb/src/fs/gfs2/bmap.c: In function 'gfs2_iomap_get': /kisskb/src/fs/gfs2/bmap.c:566:6: warning: 'len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/gfs2/bmap.c:818:6: note: 'len' was declared here /kisskb/src/fs/gfs2/bmap.c:922:18: warning: 'height' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c: In function 'process_extent_item.isra.0': /kisskb/src/fs/btrfs/ref-verify.c:492:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c: In function 'process_leaf': /kisskb/src/fs/btrfs/ref-verify.c:545:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bridge/br_netlink.c: In function 'br_process_vlan_info': /kisskb/src/net/bridge/br_netlink.c:591:10: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/fsl/imx-audmix.c: In function 'imx_audmix_probe': /kisskb/src/sound/soc/fsl/imx-audmix.c:277:45: warning: 'capture_dai_name' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/sysctl_net_core.c:294:1: warning: 'proc_dointvec_minmax_bpf_restricted' defined but not used [-Wunused-function] /kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc': /kisskb/src/fs/nfsd/nfs4xdr.c:2077:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/arizona.c: In function 'arizona_hw_params': /kisskb/src/sound/soc/codecs/arizona.c:1893:3: warning: 'aif_rx_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/arizona.c:1890:3: warning: 'aif_tx_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:331:21: note: 'pdeo' was declared here /kisskb/src/net/ncsi/ncsi-manage.c: In function 'set_one_vid': /kisskb/src/net/ncsi/ncsi-manage.c:676:19: warning: 'vid' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ocfs2/alloc.c: In function 'ocfs2_trim_mainbm': /kisskb/src/fs/ocfs2/alloc.c:7604:17: warning: 'first_bit' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/clk/sunxi-ng/ccu_mux.c: In function 'ccu_mux_helper_determine_rate': /kisskb/src/drivers/clk/sunxi-ng/ccu_mux.c:154:22: warning: 'best_parent' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/devlink.c: In function 'devlink_fmsg_prepare_skb': /kisskb/src/net/core/devlink.c:4325:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/da7219-aad.c: In function 'da7219_aad_hptest_work': /kisskb/src/sound/soc/codecs/da7219-aad.c:321:17: warning: 'pll_ctrl' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/hwtracing/intel_th/msu.c: In function 'msc_buffer_win_alloc': /kisskb/src/drivers/hwtracing/intel_th/msu.c:783:21: warning: unused variable 'i' [-Wunused-variable] /kisskb/src/drivers/hwtracing/intel_th/msu.c: In function 'msc_buffer_win_free': /kisskb/src/drivers/hwtracing/intel_th/msu.c:863:6: warning: unused variable 'i' [-Wunused-variable] /kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_handle_pwr_constr.isra.18': /kisskb/src/net/mac80211/mlme.c:1578:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c: In function 'amdgpu_set_pp_od_clk_voltage': /kisskb/src/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:685:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iommu/io-pgtable-arm-v7s.c: In function '__arm_v7s_map.constprop.5': /kisskb/src/drivers/iommu/io-pgtable-arm-v7s.c:449:7: warning: 'cptep' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/lightnvm/core.c: In function 'nvm_remove_tgt': /kisskb/src/drivers/lightnvm/core.c:510:5: warning: 't' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/rt5665.c: In function 'rt5665_i2s_pin_event': /kisskb/src/sound/soc/codecs/rt5665.c:2666:33: warning: 'val2' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/rt5665.c:2663:33: warning: 'val1' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c: In function 'bmi160_config_pin.constprop.7': /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:618:3: warning: 'pin_name' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:606:29: warning: 'int_map_mask' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:599:29: warning: 'int_latch_mask' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:577:47: warning: 'int_out_ctrl_shift' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr_rx': /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/misc/habanalabs/habanalabs_ioctl.c: In function 'debug_coresight': /kisskb/src/drivers/misc/habanalabs/habanalabs_ioctl.c:143:23: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/mtd/nand/raw/fsl_upm.c: In function 'fun_wait_rnb': /kisskb/src/drivers/mtd/nand/raw/fsl_upm.c:69:20: warning: unused variable 'mtd' [-Wunused-variable] /kisskb/src/drivers/media/usb/dvb-usb/pctv452e.c: In function 'pctv452e_frontend_attach': /kisskb/src/drivers/media/usb/dvb-usb/pctv452e.c:922:2: warning: value computed is not used [-Wunused-value] /kisskb/src/drivers/mtd/nand/raw/mpc5121_nfc.c: In function 'ads5121_select_chip': /kisskb/src/drivers/mtd/nand/raw/mpc5121_nfc.c:293:19: warning: unused variable 'mtd' [-Wunused-variable] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'serial_unlink_irq_chain': /kisskb/src/drivers/tty/serial/8250/8250_core.c:247:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/soc/qcom/rpmh.c: In function 'rpmh_write_batch': /kisskb/src/drivers/soc/qcom/rpmh.c:355:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dce_calcs.c: In function 'bw_calcs_init': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dce_calcs.c:2731:1: warning: the frame size of 1040 bytes is larger than 1024 bytes [-Wframe-larger-than=] In file included from /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt.c:59:0: /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt.h:1676:0: warning: "writeq_relaxed" redefined [enabled by default] /kisskb/src/arch/powerpc/include/asm/io.h:642:0: note: this is the location of the previous definition /kisskb/src/drivers/staging/kpc2000/kpc2000/core.c: In function 'read_system_regs': /kisskb/src/drivers/staging/kpc2000/kpc2000/core.c:149:9: warning: format '%lx' expects argument of type 'long unsigned int', but argument 4 has type 'long long int' [-Wformat] /kisskb/src/drivers/staging/kpc2000/kpc_dma/fileops.c: In function 'kpc_dma_transfer': /kisskb/src/drivers/staging/kpc2000/kpc_dma/fileops.c:58:2: warning: format '%ld' expects argument of type 'long int', but argument 7 has type 'size_t' [-Wformat] In file included from /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c:18:0: /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt.h:1676:0: warning: "writeq_relaxed" redefined [enabled by default] /kisskb/src/arch/powerpc/include/asm/io.h:642:0: note: this is the location of the previous definition In file included from /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c:22:0: /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt.h:1676:0: warning: "writeq_relaxed" redefined [enabled by default] /kisskb/src/arch/powerpc/include/asm/io.h:642:0: note: this is the location of the previous definition In file included from /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c:20:0: /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt.h:1676:0: warning: "writeq_relaxed" redefined [enabled by default] /kisskb/src/arch/powerpc/include/asm/io.h:642:0: note: this is the location of the previous definition /kisskb/src/drivers/usb/gadget/udc/fsl_qe_udc.c: In function 'qe_ep_set_halt': /kisskb/src/drivers/usb/gadget/udc/fsl_qe_udc.c:1840:2: warning: 'udc' may be used uninitialized in this function [-Wuninitialized] In file included from /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c:19:0: /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt.h:1676:0: warning: "writeq_relaxed" redefined [enabled by default] /kisskb/src/arch/powerpc/include/asm/io.h:642:0: note: this is the location of the previous definition In file included from /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c:24:0: /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt.h:1676:0: warning: "writeq_relaxed" redefined [enabled by default] /kisskb/src/arch/powerpc/include/asm/io.h:642:0: note: this is the location of the previous definition In file included from /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c:17:0: /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt.h:1676:0: warning: "writeq_relaxed" redefined [enabled by default] /kisskb/src/arch/powerpc/include/asm/io.h:642:0: note: this is the location of the previous definition In file included from /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_dim.c:12:0: /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt.h:1676:0: warning: "writeq_relaxed" redefined [enabled by default] /kisskb/src/arch/powerpc/include/asm/io.h:642:0: note: this is the location of the previous definition In file included from /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c:14:0: /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt.h:1676:0: warning: "writeq_relaxed" redefined [enabled by default] /kisskb/src/arch/powerpc/include/asm/io.h:642:0: note: this is the location of the previous definition In file included from /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c:22:0: /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt.h:1676:0: warning: "writeq_relaxed" redefined [enabled by default] /kisskb/src/arch/powerpc/include/asm/io.h:642:0: note: this is the location of the previous definition In file included from /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_debugfs.c:15:0: /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt.h:1676:0: warning: "writeq_relaxed" redefined [enabled by default] /kisskb/src/arch/powerpc/include/asm/io.h:642:0: note: this is the location of the previous definition /kisskb/src/drivers/net/wireless/broadcom/b43/phy_n.c: In function 'b43_nphy_rf_ctl_override_rev7': /kisskb/src/drivers/net/wireless/broadcom/b43/phy_n.c:190:21: warning: 'val_addr' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1851:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1764:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c: In function 'rtl8723a_phy_lc_calibrate': /kisskb/src/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:3485:23: warning: 'rf_amode' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c: In function 'hclgevf_bind_ring_to_vector': /kisskb/src/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c:1041:16: warning: 'type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/realtek/rtw88/phy.c: In function 'rtw_phy_rf_power_2_rssi': /kisskb/src/drivers/net/wireless/realtek/rtw88/phy.c:430:26: warning: array subscript is above array bounds [-Warray-bounds] /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c: In function 'gk104_top_oneinit': /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c:104:1: warning: 'inst' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c:104:1: warning: 'type' may be used uninitialized in this function [-Wuninitialized] WARNING: vmlinux.o(.text+0x3638c): Section mismatch in reference from the function fsl_add_bridge() to the function .init.text:setup_pci_cmd() The function fsl_add_bridge() references the function __init setup_pci_cmd(). This is often because fsl_add_bridge lacks a __init annotation or the annotation of setup_pci_cmd is wrong. /kisskb/src/arch/powerpc/boot/dts/fsl/mvme7100.dts:140.22-142.4: Warning (pci_bridge): /pcie@f1008000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:97.7-122.3 /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:107.9-121.4: Warning (pci_bridge): /pcie@f1008000/pcie@0: missing ranges for PCI bridge (or not a bridge) /kisskb/src/arch/powerpc/boot/dts/fsl/mvme7100.dts:144.22-146.4: Warning (pci_bridge): /pcie@f1009000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:124.7-149.3 /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:134.9-148.4: Warning (pci_bridge): /pcie@f1009000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/mvme7100.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/mvme7100.dts:35.11-37.6: Warning (i2c_bus_reg): /soc@f1000000/i2c@3000/rtc@68: missing or empty reg property INFO: Uncompressed kernel (size 0x12441c0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1300000) INFO: Uncompressed kernel (size 0x12441c0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1300000) INFO: Uncompressed kernel (size 0x12441c0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1300000) INFO: Uncompressed kernel (size 0x12441c0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1300000) INFO: Uncompressed kernel (size 0x12441c0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1300000) INFO: Uncompressed kernel (size 0x12441c0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1300000) INFO: Uncompressed kernel (size 0x12441c0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1300000) INFO: Uncompressed kernel (size 0x12441c0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1300000) INFO: Uncompressed kernel (size 0x12441c0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1300000) INFO: Uncompressed kernel (size 0x12441c0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1300000) INFO: Uncompressed kernel (size 0x12441c0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1300000) INFO: Uncompressed kernel (size 0x1233a08) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1300000) INFO: Uncompressed kernel (size 0x1233a08) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1300000) INFO: Uncompressed kernel (size 0x12441c0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1300000) INFO: Uncompressed kernel (size 0x12441c0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1300000) Image Name: Linux-5.2.0-rc2+ Created: Wed Jun 19 02:26:26 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 7333825 Bytes = 7161.94 KiB = 6.99 MiB Load Address: 02000000 Entry Point: 02000000 Image Name: Linux-5.2.0-rc2+ Created: Wed Jun 19 02:26:26 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 7364820 Bytes = 7192.21 KiB = 7.02 MiB Load Address: 01300000 Entry Point: 01300290 Image Name: Linux-5.2.0-rc2+ Created: Wed Jun 19 02:26:26 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 7366028 Bytes = 7193.39 KiB = 7.02 MiB Load Address: 01300000 Entry Point: 01300888 Image Name: Linux-5.2.0-rc2+ Created: Wed Jun 19 02:26:26 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 7365980 Bytes = 7193.34 KiB = 7.02 MiB Load Address: 01300000 Entry Point: 01300888 Image Name: Linux-5.2.0-rc2+ Created: Wed Jun 19 02:26:26 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 7364393 Bytes = 7191.79 KiB = 7.02 MiB Load Address: 01300000 Entry Point: 01300290 Image Name: Linux-5.2.0-rc2+ Created: Wed Jun 19 02:26:26 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 7364498 Bytes = 7191.89 KiB = 7.02 MiB Load Address: 01300000 Entry Point: 01300290 Image Name: Linux-5.2.0-rc2+ Created: Wed Jun 19 02:26:26 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 7364301 Bytes = 7191.70 KiB = 7.02 MiB Load Address: 01300000 Entry Point: 01300278 Image Name: Linux-5.2.0-rc2+ Created: Wed Jun 19 02:26:26 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 7362913 Bytes = 7190.34 KiB = 7.02 MiB Load Address: 01300000 Entry Point: 01300278 Image Name: Linux-5.2.0-rc2+ Created: Wed Jun 19 02:26:26 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 7365235 Bytes = 7192.61 KiB = 7.02 MiB Load Address: 01300000 Entry Point: 01300290 Image Name: Linux-5.2.0-rc2+ Created: Wed Jun 19 02:26:26 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 7364559 Bytes = 7191.95 KiB = 7.02 MiB Load Address: 01300000 Entry Point: 01300290 Image Name: Linux-5.2.0-rc2+ Created: Wed Jun 19 02:26:26 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 7363005 Bytes = 7190.43 KiB = 7.02 MiB Load Address: 01300000 Entry Point: 01300290 Image Name: Linux-5.2.0-rc2+ Created: Wed Jun 19 02:26:26 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 7364938 Bytes = 7192.32 KiB = 7.02 MiB Load Address: 01300000 Entry Point: 01300278 WARNING: modpost: missing MODULE_LICENSE() in drivers/net/ethernet/freescale/fs_enet/mii-bitbang.o see include/linux/module.h for more information WARNING: modpost: missing MODULE_LICENSE() in drivers/net/ethernet/freescale/fs_enet/mii-fec.o see include/linux/module.h for more information ERROR: "__udivdi3" [drivers/infiniband/hw/mlx5/mlx5_ib.ko] undefined! make[2]: *** [/kisskb/src/scripts/Makefile.modpost:91: __modpost] Error 1 make[1]: *** [/kisskb/src/Makefile:1290: modules] Error 2 make: *** [Makefile:179: sub-make] Error 2 Command 'make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc32_allmodconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/powerpc-next_ppc32_allmodconfig_powerpc-gcc4.6 # Build took: 0:05:49.971991