# git rev-parse -q --verify 6d3350efdc57b346112536c8e413e88940233642^{commit} 6d3350efdc57b346112536c8e413e88940233642 already have revision, skipping fetch # git checkout -q -f -B kisskb 6d3350efdc57b346112536c8e413e88940233642 # git clean -qxdf # < git log -1 # commit 6d3350efdc57b346112536c8e413e88940233642 # Author: Michael Ellerman # Date: Tue Nov 6 23:37:58 2018 +1100 # # powerpc/io: Fix the IO workarounds code to work with Radix # # Back in 2006 Ben added some workarounds for a misbehaviour in the # Spider IO bridge used on early Cell machines, see commit # 014da7ff47b5 ("[POWERPC] Cell "Spider" MMIO workarounds"). Later these # were made to be generic, ie. not tied specifically to Spider. # # The code stashes a token in the high bits (59-48) of virtual addresses # used for IO (eg. returned from ioremap()). This works fine when using # the Hash MMU, but when we're using the Radix MMU the bits used for the # token overlap with some of the bits of the virtual address. # # This is because the maximum virtual address is larger with Radix, up # to c00fffffffffffff, and in fact we use that high part of the address # range for ioremap(), see RADIX_KERN_IO_START. # # As it happens the bits that are used overlap with the bits that # differentiate an IO address vs a linear map address. If the resulting # address lies outside the linear mapping we will crash (see below), if # not we just corrupt memory. # # virtio-pci 0000:00:00.0: Using 64-bit direct DMA at offset 800000000000000 # Unable to handle kernel paging request for data at address 0xc000000080000014 # ... # CFAR: c000000000626b98 DAR: c000000080000014 DSISR: 42000000 IRQMASK: 0 # GPR00: c0000000006c54fc c00000003e523378 c0000000016de600 0000000000000000 # GPR04: c00c000080000014 0000000000000007 0fffffff000affff 0000000000000030 # ^^^^ # ... # NIP [c000000000626c5c] .iowrite8+0xec/0x100 # LR [c0000000006c992c] .vp_reset+0x2c/0x90 # Call Trace: # .pci_bus_read_config_dword+0xc4/0x120 (unreliable) # .register_virtio_device+0x13c/0x1c0 # .virtio_pci_probe+0x148/0x1f0 # .local_pci_probe+0x68/0x140 # .pci_device_probe+0x164/0x220 # .really_probe+0x274/0x3b0 # .driver_probe_device+0x80/0x170 # .__driver_attach+0x14c/0x150 # .bus_for_each_dev+0xb8/0x130 # .driver_attach+0x34/0x50 # .bus_add_driver+0x178/0x2f0 # .driver_register+0x90/0x1a0 # .__pci_register_driver+0x6c/0x90 # .virtio_pci_driver_init+0x2c/0x40 # .do_one_initcall+0x64/0x280 # .kernel_init_freeable+0x36c/0x474 # .kernel_init+0x24/0x160 # .ret_from_kernel_thread+0x58/0x7c # # This hasn't been a problem because CONFIG_PPC_IO_WORKAROUNDS which # enables this code is usually not enabled. It is only enabled when it's # selected by PPC_CELL_NATIVE which is only selected by # PPC_IBM_CELL_BLADE and that in turn depends on BIG_ENDIAN. So in order # to hit the bug you need to build a big endian kernel, with IBM Cell # Blade support enabled, as well as Radix MMU support, and then boot # that on Power9 using Radix MMU. # # Still we can fix the bug, so let's do that. We simply use fewer bits # for the token, taking the union of the restrictions on the address # from both Hash and Radix, we end up with 8 bits we can use for the # token. The only user of the token is iowa_mem_find_bus() which only # supports 8 token values, so 8 bits is plenty for that. # # Fixes: 566ca99af026 ("powerpc/mm/radix: Add dummy radix_enabled()") # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < git log --format=%s --max-count=1 6d3350efdc57b346112536c8e413e88940233642 # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_allmodconfig+64K_PAGES_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- allmodconfig # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_SAMPLES=n # Added to kconfig CONFIG_PPC_4K_PAGES=n # Added to kconfig CONFIG_PPC_64K_PAGES=y # yes \n | make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_allmodconfig+64K_PAGES_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_allmodconfig+64K_PAGES_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- arch/powerpc/boot/dts/icon.dtb: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/icon.dtb: 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' arch/powerpc/boot/dts/bluestone.dtb: 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' arch/powerpc/boot/dts/bluestone.dtb: Warning (i2c_bus_reg): /plb/opb/i2c@ef600700/sttm@4C: I2C bus unit address format error, expected "4c" arch/powerpc/boot/dts/makalu.dtb: Warning (pci_bridge): /plb/pciex@a0000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/makalu.dtb: 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' arch/powerpc/boot/dts/fsl/p1025rdb_32b.dtb: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/fsl/p1025rdb_32b.dtb: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/pdm360ng.dtb: Warning (spi_bus_bridge): /soc@80000000/psc@11900: node name for SPI buses should be 'spi' arch/powerpc/boot/dts/pdm360ng.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' arch/powerpc/boot/dts/fsl/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/dts/fsl/p2020rdb.dtb: Warning (pci_bridge): /pcie@ffe08000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/p2020rdb.dtb: 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' arch/powerpc/boot/dts/fsl/mpc8641_hpcn_36b.dtb: Warning (interrupts_property): /pcie@fffe08000: Missing #interrupt-cells in interrupt-parent arch/powerpc/boot/dts/fsl/p1020rdb-pc_36b.dtb: Warning (interrupts_property): /soc@fffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/fsl/p1020rdb-pc_36b.dtb: Warning (interrupts_property): /soc@fffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/motionpro.dtb: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/motionpro.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' arch/powerpc/boot/dts/mgcoge.dtb: Warning (spi_bus_reg): /soc@f0000000/cpm@119c0/spi@11aa0/ds3106@1: SPI bus unit address format error, expected "0" arch/powerpc/boot/dts/fsl/mvme7100.dtb: Warning (pci_bridge): /pcie@f1008000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/mvme7100.dtb: Warning (pci_bridge): /pcie@f1008000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/mvme7100.dtb: Warning (pci_bridge): /pcie@f1009000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/mvme7100.dtb: 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' arch/powerpc/boot/dts/fsl/mvme7100.dtb: Warning (i2c_bus_reg): /soc@f1000000/i2c@3000/rtc@68: missing or empty reg property arch/powerpc/boot/dts/fsl/p1020rdb-pc_32b.dtb: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/fsl/p1020rdb-pc_32b.dtb: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/fsl/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/dts/fsl/p1020rdb-pd.dtb: Warning (spi_bus_reg): /soc@ffe00000/spi@7000/slic@0: SPI bus unit address format error, expected "1" arch/powerpc/boot/dts/fsl/p1020rdb-pd.dtb: Warning (spi_bus_reg): /soc@ffe00000/spi@7000/slic@1: SPI bus unit address format error, expected "2" arch/powerpc/boot/dts/fsl/gef_sbc310.dtb: Warning (interrupts_property): /pcie@fef08000: Missing #interrupt-cells in interrupt-parent arch/powerpc/boot/dts/fsl/mpc8641_hpcn.dtb: Warning (interrupts_property): /pcie@ffe08000: Missing #interrupt-cells in interrupt-parent arch/powerpc/boot/dts/fsl/p1020rdb_36b.dtb: Warning (interrupts_property): /soc@fffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/fsl/p1020rdb_36b.dtb: Warning (interrupts_property): /soc@fffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/fsl/p1020rdb.dtb: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/fsl/p1020rdb.dtb: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/uc101.dtb: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/uc101.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' arch/powerpc/boot/dts/fsl/gef_sbc610.dtb: Warning (pci_bridge): /pcie@fef09000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/gef_sbc610.dtb: 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' arch/powerpc/boot/dts/a3m071.dtb: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/a3m071.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' arch/powerpc/boot/dts/o2d.dtb: 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' arch/powerpc/boot/dts/o2d.dtb: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi' arch/powerpc/boot/dts/o2d.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' arch/powerpc/boot/dts/fsl/kmcoge4.dtb: Warning (pci_bridge): /pcie@ffe201000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/kmcoge4.dtb: 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' arch/powerpc/boot/dts/cm5200.dtb: Warning (pci_bridge): /pci@f0000d00: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/cm5200.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' arch/powerpc/boot/dts/ac14xx.dtb: Warning (spi_bus_bridge): /soc@80000000/psc@11400: node name for SPI buses should be 'spi' arch/powerpc/boot/dts/ac14xx.dtb: Warning (spi_bus_bridge): /soc@80000000/psc@11500: node name for SPI buses should be 'spi' arch/powerpc/boot/dts/ac14xx.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' arch/powerpc/boot/dts/fsl/p1020rdb-pc_camp_core1.dtb: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/fsl/p1020rdb-pc_camp_core1.dtb: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/haleakala.dtb: 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' arch/powerpc/boot/dts/fsl/p1025rdb_36b.dtb: Warning (interrupts_property): /soc@fffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/fsl/p1025rdb_36b.dtb: Warning (interrupts_property): /soc@fffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/fsl/gef_ppc9a.dtb: Warning (pci_bridge): /pcie@fef09000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/gef_ppc9a.dtb: 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' arch/powerpc/boot/dts/currituck.dtb: Warning (pci_bridge): /plb/pciex@10100000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/currituck.dtb: Warning (pci_bridge): /plb/pciex@30100000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/currituck.dtb: 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' arch/powerpc/boot/dts/stxssa8555.dtb: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: arch/powerpc/boot/dts/o2i.dtb: Warning (pci_bridge): PCI bus number 1 out of range, expected (0 - 0) /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' arch/powerpc/boot/dts/o2i.dtb: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi' arch/powerpc/boot/dts/o2i.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' arch/powerpc/boot/dts/akebono.dtb: Warning (pci_bridge): /plb/pciex@10100000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/akebono.dtb: Warning (pci_bridge): /plb/pciex@20100000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/akebono.dtb: Warning (pci_bridge): /plb/pciex@18100000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/akebono.dtb: 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' arch/powerpc/boot/dts/katmai.dtb: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/katmai.dtb: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/katmai.dtb: 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' arch/powerpc/boot/dts/mpc832x_rdb.dtb: Warning (interrupts_property): /qe@e0100000/mdio@3120/ethernet-phy@0:#interrupt-cells: size is (4), expected multiple of 8 arch/powerpc/boot/dts/mpc832x_rdb.dtb: Warning (interrupts_property): /qe@e0100000/mdio@3120/ethernet-phy@4:#interrupt-cells: size is (4), expected multiple of 8 arch/powerpc/boot/dts/mpc8610_hpcd.dtb: Warning (pci_device_bus_num): /pcie@e000a000/pcie@0:bus-range: PCI bus number 0 out of range, expected (1 - 1) arch/powerpc/boot/dts/fsl/oca4080.dtb: Warning (pci_bridge): /pcie@ffe200000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/oca4080.dtb: Warning (pci_bridge): /pcie@ffe200000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/oca4080.dtb: Warning (pci_bridge): /pcie@ffe201000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/oca4080.dtb: Warning (pci_bridge): /pcie@ffe201000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/oca4080.dtb: Warning (pci_bridge): /pcie@ffe202000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/oca4080.dtb: 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' arch/powerpc/boot/dts/canyonlands.dtb: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/canyonlands.dtb: 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' arch/powerpc/boot/dts/fsl/ppa8548.dtb: Warning (pci_bridge): /pci@fe0008000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/ppa8548.dtb: Warning (pci_bridge): /pci@fe0009000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/ppa8548.dtb: Warning (pci_bridge): /pcie@fe000a000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/ppa8548.dtb: 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' arch/powerpc/boot/dts/fsl/p1020rdb-pc_camp_core0.dtb: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@0:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/fsl/p1020rdb-pc_camp_core0.dtb: Warning (interrupts_property): /soc@ffe00000/mdio@24000/ethernet-phy@1:#interrupt-cells: size is (8), expected multiple of 16 arch/powerpc/boot/dts/fsl/p2020rdb-pc_36b.dtb: Warning (pci_bridge): /pcie@fffe08000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/p2020rdb-pc_36b.dtb: 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' arch/powerpc/boot/dts/o2mnt.dtb: 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' arch/powerpc/boot/dts/o2mnt.dtb: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi' arch/powerpc/boot/dts/o2mnt.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' arch/powerpc/boot/dts/fsl/kmcent2.dtb: Warning (pci_bridge): /pcie@ffe250000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/kmcent2.dtb: Warning (pci_bridge): /pcie@ffe250000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/kmcent2.dtb: Warning (pci_bridge): /pcie@ffe260000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/kmcent2.dtb: Warning (pci_bridge): /pcie@ffe260000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/kmcent2.dtb: Warning (pci_bridge): /pcie@ffe270000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/kmcent2.dtb: 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' arch/powerpc/boot/dts/glacier.dtb: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/glacier.dtb: 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' arch/powerpc/boot/dts/o2dnt2.dtb: 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' arch/powerpc/boot/dts/o2dnt2.dtb: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi' arch/powerpc/boot/dts/o2dnt2.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' arch/powerpc/boot/dts/o3dnt.dtb: 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' arch/powerpc/boot/dts/o3dnt.dtb: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi' arch/powerpc/boot/dts/o3dnt.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' arch/powerpc/boot/dts/fsl/p2020rdb-pc_32b.dtb: Warning (pci_bridge): /pcie@ffe08000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/p2020rdb-pc_32b.dtb: 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' arch/powerpc/boot/dts/redwood.dtb: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/redwood.dtb: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/redwood.dtb: 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' arch/powerpc/boot/dts/xpedite5200_xmon.dtb: Warning (i2c_bus_reg): /soc@ef000000/i2c@3000/dtt@48: I2C bus unit address format error, expected "34" arch/powerpc/boot/dts/kilauea.dtb: Warning (pci_bridge): /plb/pciex@a0000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/kilauea.dtb: 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' arch/powerpc/boot/dts/o2d300.dtb: 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' arch/powerpc/boot/dts/o2d300.dtb: Warning (spi_bus_bridge): /soc5200@f0000000/psc@2000: node name for SPI buses should be 'spi' arch/powerpc/boot/dts/o2d300.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' arch/powerpc/boot/dts/xpedite5200.dtb: Warning (i2c_bus_reg): /soc@ef000000/i2c@3000/dtt@48: I2C bus unit address format error, expected "34" arch/powerpc/boot/dts/virtex440-ml510.dtb: 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/sound/aoa/codecs/onyx.c: In function 'onyx_snd_single_bit_get': /kisskb/src/sound/aoa/codecs/onyx.c:380:37: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized] ucontrol->value.integer.value[0] = !!(c & mask) ^ polarity; ^ /kisskb/src/fs/ntfs/aops.c: In function 'ntfs_write_mst_block': /kisskb/src/fs/ntfs/aops.c:1328:1: warning: the frame size of 2176 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ In file included from /kisskb/src/include/linux/wait.h:9:0, from /kisskb/src/include/linux/wait_bit.h:8, from /kisskb/src/include/linux/fs.h:6, from /kisskb/src/include/linux/seq_file.h:11, from /kisskb/src/kernel/sched/psi.c:128: /kisskb/src/kernel/sched/psi.c: In function 'cgroup_move_task': /kisskb/src/include/linux/spinlock.h:273:32: warning: 'rq' may be used uninitialized in this function [-Wmaybe-uninitialized] #define raw_spin_unlock(lock) _raw_spin_unlock(lock) ^ /kisskb/src/kernel/sched/psi.c:639:13: note: 'rq' was declared here struct rq *rq; ^ In file included from /kisskb/src/include/linux/io.h:25:0, from /kisskb/src/include/linux/of_address.h:7, from /kisskb/src/drivers/ata/ahci_qoriq.c:18: /kisskb/src/drivers/ata/ahci_qoriq.c: In function 'ahci_qoriq_hardreset': /kisskb/src/arch/powerpc/include/asm/io.h:610:3: warning: 'px_is' may be used uninitialized in this function [-Wmaybe-uninitialized] ppc_pci_io.name al; \ ^ /kisskb/src/drivers/ata/ahci_qoriq.c:86:14: note: 'px_is' was declared here u32 px_cmd, px_is, px_val; ^ In file included from /kisskb/src/include/linux/io.h:25:0, from /kisskb/src/include/linux/of_address.h:7, from /kisskb/src/drivers/ata/ahci_qoriq.c:18: /kisskb/src/arch/powerpc/include/asm/io.h:126:2: warning: 'px_cmd' may be used uninitialized in this function [-Wmaybe-uninitialized] __asm__ __volatile__("sync;"#insn" %1,%y0" \ ^ /kisskb/src/drivers/ata/ahci_qoriq.c:86:6: note: 'px_cmd' was declared here u32 px_cmd, px_is, px_val; ^ In file included from /kisskb/src/include/linux/printk.h:336:0, from /kisskb/src/include/linux/kernel.h:14, from /kisskb/src/include/linux/list.h:9, from /kisskb/src/include/linux/dmi.h:5, from /kisskb/src/drivers/hid/hid-asus.c:29: /kisskb/src/drivers/hid/hid-asus.c: In function 'asus_input_configured': /kisskb/src/include/linux/dynamic_debug.h:135:3: warning: 'value' may be used uninitialized in this function [-Wmaybe-uninitialized] __dynamic_dev_dbg(&descriptor, dev, fmt, \ ^ /kisskb/src/drivers/hid/hid-asus.c:359:6: note: 'value' was declared here u32 value; ^ /kisskb/src/drivers/net/wireless/quantenna/qtnfmac/commands.c: In function 'qtnf_cmd_send_with_reply': /kisskb/src/drivers/net/wireless/quantenna/qtnfmac/commands.c:133:54: warning: 'resp' may be used uninitialized in this function [-Wmaybe-uninitialized] return qtnf_cmd_resp_result_decode(le16_to_cpu(resp->result)); ^ /kisskb/src/drivers/scsi/myrs.c: In function 'myrs_log_event': /kisskb/src/drivers/scsi/myrs.c:818:24: warning: 'sshdr.sense_key' may be used uninitialized in this function [-Wmaybe-uninitialized] struct scsi_sense_hdr sshdr; ^ /kisskb/src/scripts/unifdef.c: In function 'Mpass': /kisskb/src/scripts/unifdef.c:453:28: warning: 'strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation] static void Mpass (void) { strncpy(keyword, "if ", 4); Pelif(); } ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ./usr/include/linux/v4l2-controls.h:1105: found __[us]{8,16,32,64} type without #include Completed OK # rm -rf /kisskb/build/powerpc-fixes_allmodconfig+64K_PAGES_powerpc-gcc5 # Build took: 0:04:31.864148