# git rev-parse -q --verify 72cdd117c449896c707fc6cfe5b90978160697d0^{commit} 72cdd117c449896c707fc6cfe5b90978160697d0 already have revision, skipping fetch # git checkout -q -f -B kisskb 72cdd117c449896c707fc6cfe5b90978160697d0 # git clean -qxdf # < git log -1 # commit 72cdd117c449896c707fc6cfe5b90978160697d0 # Author: Scott Cheloha # Date: Wed Sep 16 09:51:22 2020 -0500 # # pseries/hotplug-memory: hot-add: skip redundant LMB lookup # # During memory hot-add, dlpar_add_lmb() calls memory_add_physaddr_to_nid() # to determine which node id (nid) to use when later calling __add_memory(). # # This is wasteful. On pseries, memory_add_physaddr_to_nid() finds an # appropriate nid for a given address by looking up the LMB containing the # address and then passing that LMB to of_drconf_to_nid_single() to get the # nid. In dlpar_add_lmb() we get this address from the LMB itself. # # In short, we have a pointer to an LMB and then we are searching for # that LMB *again* in order to find its nid. # # If we call of_drconf_to_nid_single() directly from dlpar_add_lmb() we # can skip the redundant lookup. The only error handling we need to # duplicate from memory_add_physaddr_to_nid() is the fallback to the # default nid when drconf_to_nid_single() returns -1 (NUMA_NO_NODE) or # an invalid nid. # # Skipping the extra lookup makes hot-add operations faster, especially # on machines with many LMBs. # # Consider an LPAR with 126976 LMBs. In one test, hot-adding 126000 # LMBs on an upatched kernel took ~3.5 hours while a patched kernel # completed the same operation in ~2 hours: # # Unpatched (12450 seconds): # Sep 9 04:06:31 ltc-brazos1 drmgr[810169]: drmgr: -c mem -a -q 126000 # Sep 9 04:06:31 ltc-brazos1 kernel: pseries-hotplug-mem: Attempting to hot-add 126000 LMB(s) # [...] # Sep 9 07:34:01 ltc-brazos1 kernel: pseries-hotplug-mem: Memory at 20000000 (drc index 80000002) was hot-added # # Patched (7065 seconds): # Sep 8 21:49:57 ltc-brazos1 drmgr[877703]: drmgr: -c mem -a -q 126000 # Sep 8 21:49:57 ltc-brazos1 kernel: pseries-hotplug-mem: Attempting to hot-add 126000 LMB(s) # [...] # Sep 8 23:27:42 ltc-brazos1 kernel: pseries-hotplug-mem: Memory at 20000000 (drc index 80000002) was hot-added # # It should be noted that the speedup grows more substantial when # hot-adding LMBs at the end of the drconf range. This is because we # are skipping a linear LMB search. # # To see the distinction, consider smaller hot-add test on the same # LPAR. A perf-stat run with 10 iterations showed that hot-adding 4096 # LMBs completed less than 1 second faster on a patched kernel: # # Unpatched: # Performance counter stats for 'drmgr -c mem -a -q 4096' (10 runs): # # 104,753.42 msec task-clock # 0.992 CPUs utilized ( +- 0.55% ) # 4,708 context-switches # 0.045 K/sec ( +- 0.69% ) # 2,444 cpu-migrations # 0.023 K/sec ( +- 1.25% ) # 394 page-faults # 0.004 K/sec ( +- 0.22% ) # 445,902,503,057 cycles # 4.257 GHz ( +- 0.55% ) (66.67%) # 8,558,376,740 stalled-cycles-frontend # 1.92% frontend cycles idle ( +- 0.88% ) (49.99%) # 300,346,181,651 stalled-cycles-backend # 67.36% backend cycles idle ( +- 0.76% ) (50.01%) # 258,091,488,691 instructions # 0.58 insn per cycle # # 1.16 stalled cycles per insn ( +- 0.22% ) (66.67%) # 70,568,169,256 branches # 673.660 M/sec ( +- 0.17% ) (50.01%) # 3,100,725,426 branch-misses # 4.39% of all branches ( +- 0.20% ) (49.99%) # # 105.583 +- 0.589 seconds time elapsed ( +- 0.56% ) # # Patched: # Performance counter stats for 'drmgr -c mem -a -q 4096' (10 runs): # # 104,055.69 msec task-clock # 0.993 CPUs utilized ( +- 0.32% ) # 4,606 context-switches # 0.044 K/sec ( +- 0.20% ) # 2,463 cpu-migrations # 0.024 K/sec ( +- 0.93% ) # 394 page-faults # 0.004 K/sec ( +- 0.25% ) # 442,951,129,921 cycles # 4.257 GHz ( +- 0.32% ) (66.66%) # 8,710,413,329 stalled-cycles-frontend # 1.97% frontend cycles idle ( +- 0.47% ) (50.06%) # 299,656,905,836 stalled-cycles-backend # 67.65% backend cycles idle ( +- 0.39% ) (50.02%) # 252,731,168,193 instructions # 0.57 insn per cycle # # 1.19 stalled cycles per insn ( +- 0.20% ) (66.66%) # 68,902,851,121 branches # 662.173 M/sec ( +- 0.13% ) (49.94%) # 3,100,242,882 branch-misses # 4.50% of all branches ( +- 0.15% ) (49.98%) # # 104.829 +- 0.325 seconds time elapsed ( +- 0.31% ) # # This is consistent. An add-by-count hot-add operation adds LMBs # greedily, so LMBs near the start of the drconf range are considered # first. On an otherwise idle LPAR with so many LMBs we would expect to # find the LMBs we need near the start of the drconf range, hence the # smaller speedup. # # Signed-off-by: Scott Cheloha # Reviewed-by: Laurent Dufour # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20200916145122.3408129-1-cheloha@linux.ibm.com # < /opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 72cdd117c449896c707fc6cfe5b90978160697d0 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64le_allmodconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ppc64le_allmodconfig # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64le_allmodconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64le_allmodconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64le_allmodconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/arch/powerpc/boot/dts/stxssa8555.dts:329.3-21: 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/mpc8555cds.dts:330.3-21: 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/fsl/kmcoge4.dts:196.23-198.4: 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:267.20-280.4: 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:100.15-102.4 arch/powerpc/boot/dts/uc101.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /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/xpedite5200_xmon.dts:139.11-142.6: Warning (i2c_bus_reg): /soc@ef000000/i2c@3000/dtt@48: I2C bus unit address format error, expected "34" /kisskb/src/arch/powerpc/boot/dts/bluestone.dts:272.13-277.7: Warning (i2c_bus_reg): /plb/opb/i2c@ef600700/sttm@4C: I2C bus unit address format error, expected "4c" /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: 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:135.15-137.4 arch/powerpc/boot/dts/a3m071.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@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:267.20-280.4: 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:182.18-186.5: 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:32.12-43.5 arch/powerpc/boot/dts/o2d.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/gef_sbc610.dts:209.22-211.4: 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:119.7-144.3 /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:129.9-143.4: 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:267.20-280.4: 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:182.18-186.5: 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:32.12-43.5 arch/powerpc/boot/dts/o2d300.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: 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:70.15-72.4 arch/powerpc/boot/dts/cm5200.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: 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:182.18-186.5: 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:32.12-43.5 arch/powerpc/boot/dts/o3dnt.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: 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:182.18-186.5: 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:32.12-43.5 arch/powerpc/boot/dts/o2dnt2.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5121.dtsi:457.13-466.5: 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:172.13-185.5 arch/powerpc/boot/dts/pdm360ng.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_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:267.20-280.4: 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:182.18-186.5: 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:32.12-43.5 arch/powerpc/boot/dts/o2i.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/gef_ppc9a.dts:211.22-213.4: 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:119.7-144.3 /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:129.9-143.4: 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/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/ppa8548.dts:34.22-37.4: 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:39.22-42.4: 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:44.23-47.4: 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/xpedite5200.dts:135.11-138.6: Warning (i2c_bus_reg): /soc@ef000000/i2c@3000/dtt@48: I2C bus unit address format error, expected "34" /kisskb/src/arch/powerpc/boot/dts/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/mgcoge.dts:230.14-234.7: 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/mpc8610_hpcd.dts:420.3-21: 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/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/mpc5200b.dtsi:267.20-280.4: 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:182.18-186.5: 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:32.12-43.5 arch/powerpc/boot/dts/o2mnt.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' /kisskb/src/arch/powerpc/boot/dts/mpc5200b.dtsi:267.20-280.4: 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:84.15-86.4 arch/powerpc/boot/dts/motionpro.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/p2020rdb.dts:251.22-254.4: 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/mpc5121.dtsi:397.13-406.5: 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:305.19-326.5 /kisskb/src/arch/powerpc/boot/dts/mpc5121.dtsi:409.13-418.5: 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:329.19-344.5 arch/powerpc/boot/dts/ac14xx.dtb: Warning (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8541cds.dts:330.3-21: 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:135.22-137.4: 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:92.7-117.3 /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:102.9-116.4: 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:139.22-141.4: 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:119.7-144.3 /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:129.9-143.4: 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:30.11-32.6: Warning (i2c_bus_reg): /soc@f1000000/i2c@3000/rtc@68: missing or empty reg property WARNING: 136 bad relocations c000000001df0413 R_PPC64_UADDR64 .rodata+0x00000000004f7680 c000000001df042e R_PPC64_UADDR64 .rodata+0x00000000004f76c8 c000000001df0449 R_PPC64_UADDR64 .rodata+0x00000000004f76d8 c000000001df0464 R_PPC64_UADDR64 .rodata+0x00000000004f76e8 c000000001df047f R_PPC64_UADDR64 .rodata+0x00000000004f76f8 c000000001df049a R_PPC64_UADDR64 .rodata+0x00000000004f7708 c000000001df04b5 R_PPC64_UADDR64 .rodata+0x00000000004f7718 c000000001df04eb R_PPC64_UADDR64 .rodata+0x00000000004f7738 c000000001df0506 R_PPC64_UADDR64 .rodata+0x00000000004f7748 c000000001df0521 R_PPC64_UADDR64 .rodata+0x00000000004f7750 c000000001df053c R_PPC64_UADDR64 .rodata+0x00000000004f7758 c000000001df0557 R_PPC64_UADDR64 .rodata+0x00000000004f7768 c000000001df0572 R_PPC64_UADDR64 .rodata+0x00000000004f7778 c000000001df058d R_PPC64_UADDR64 .rodata+0x00000000004f7788 c000000001df05c3 R_PPC64_UADDR64 .rodata+0x00000000004f77a8 c000000001df05de R_PPC64_UADDR64 .rodata+0x00000000004f77b8 c000000001df05f9 R_PPC64_UADDR64 .rodata+0x00000000004f77c8 c000000001df0614 R_PPC64_UADDR64 .rodata+0x00000000004f77d8 c000000001df062f R_PPC64_UADDR64 .rodata+0x00000000004f77e8 c000000001df064a R_PPC64_UADDR64 .rodata+0x00000000004f77f8 c000000001df0665 R_PPC64_UADDR64 .rodata+0x00000000004f7808 c000000001df069b R_PPC64_UADDR64 .rodata+0x00000000004f7828 c000000001df06b6 R_PPC64_UADDR64 .rodata+0x00000000004f7838 c000000001df06d1 R_PPC64_UADDR64 .rodata+0x00000000004f7848 c000000001df06ec R_PPC64_UADDR64 .rodata+0x00000000004f7858 c000000001df0707 R_PPC64_UADDR64 .rodata+0x00000000004f7868 c000000001df0722 R_PPC64_UADDR64 .rodata+0x00000000004f7878 c000000001df073d R_PPC64_UADDR64 .rodata+0x00000000004f7888 c000000001df0773 R_PPC64_UADDR64 .rodata+0x00000000004f78a0 c000000001df078e R_PPC64_UADDR64 .rodata+0x00000000004f78b0 c000000001df07a9 R_PPC64_UADDR64 .rodata+0x00000000004f78c0 c000000001df07c4 R_PPC64_UADDR64 .rodata+0x00000000004f78d0 c000000001df07df R_PPC64_UADDR64 .rodata+0x00000000004f78e0 c000000001df07fa R_PPC64_UADDR64 .rodata+0x00000000004f78f0 c000000001df0815 R_PPC64_UADDR64 .rodata+0x00000000004f7900 c000000001df084b R_PPC64_UADDR64 .rodata+0x00000000004f7920 c000000001df0866 R_PPC64_UADDR64 .rodata+0x00000000004f7930 c000000001df0881 R_PPC64_UADDR64 .rodata+0x00000000004f7940 c000000001df089c R_PPC64_UADDR64 .rodata+0x00000000004f7950 c000000001df08b7 R_PPC64_UADDR64 .rodata+0x00000000004f7960 c000000001df08d2 R_PPC64_UADDR64 .rodata+0x00000000004f7970 c000000001df08ed R_PPC64_UADDR64 .rodata+0x00000000004f7980 c000000001df0923 R_PPC64_UADDR64 .rodata+0x00000000004f79a0 c000000001df093e R_PPC64_UADDR64 .rodata+0x00000000004f79b0 c000000001df0959 R_PPC64_UADDR64 .rodata+0x00000000004f79c0 c000000001df0974 R_PPC64_UADDR64 .rodata+0x00000000004f79d0 c000000001df098f R_PPC64_UADDR64 .rodata+0x00000000004f79e0 c000000001df09aa R_PPC64_UADDR64 .rodata+0x00000000004f79f0 c000000001df09c5 R_PPC64_UADDR64 .rodata+0x00000000004f7a00 c000000001df09fb R_PPC64_UADDR64 .rodata+0x00000000004f7a20 c000000001df0a16 R_PPC64_UADDR64 .rodata+0x00000000004f7a30 c000000001df0a31 R_PPC64_UADDR64 .rodata+0x00000000004f7a40 c000000001df0a4c R_PPC64_UADDR64 .rodata+0x00000000004f7a50 c000000001df0a67 R_PPC64_UADDR64 .rodata+0x00000000004f7a60 c000000001df0a82 R_PPC64_UADDR64 .rodata+0x00000000004f7a70 c000000001df0a9d R_PPC64_UADDR64 .rodata+0x00000000004f7a80 c000000001df0ad3 R_PPC64_UADDR64 .rodata+0x00000000004f7aa0 c000000001df0aee R_PPC64_UADDR64 .rodata+0x00000000004f7ab0 c000000001df0b09 R_PPC64_UADDR64 .rodata+0x00000000004f7ac0 c000000001df0b24 R_PPC64_UADDR64 .rodata+0x00000000004f7ad0 c000000001df0b3f R_PPC64_UADDR64 .rodata+0x00000000004f7ae0 c000000001df0b5a R_PPC64_UADDR64 .rodata+0x00000000004f7af0 c000000001df0b75 R_PPC64_UADDR64 .rodata+0x00000000004f7b00 c000000001df0bab R_PPC64_UADDR64 .rodata+0x00000000004f7b20 c000000001df0bc6 R_PPC64_UADDR64 .rodata+0x00000000004f7b30 c000000001df0be1 R_PPC64_UADDR64 .rodata+0x00000000004f7b40 c000000001df0bfc R_PPC64_UADDR64 .rodata+0x00000000004f7b50 c000000001df0c17 R_PPC64_UADDR64 .rodata+0x00000000004f7b60 c000000001df0c32 R_PPC64_UADDR64 .rodata+0x00000000004f7b70 c000000001df0c4d R_PPC64_UADDR64 .rodata+0x00000000004f7b88 c000000001df0c83 R_PPC64_UADDR64 .rodata+0x00000000004f7ba8 c000000001df0c9e R_PPC64_UADDR64 .rodata+0x00000000004f7bb8 c000000001df0cb9 R_PPC64_UADDR64 .rodata+0x00000000004f7bc8 c000000001df0cd4 R_PPC64_UADDR64 .rodata+0x00000000004f7be0 c000000001df0cef R_PPC64_UADDR64 .rodata+0x00000000004f7be8 c000000001df0d0a R_PPC64_UADDR64 .rodata+0x00000000004f7bf8 c000000001df0d25 R_PPC64_UADDR64 .rodata+0x00000000004f7c08 c000000001df0d5b R_PPC64_UADDR64 .rodata+0x00000000004f7c28 c000000001df0d76 R_PPC64_UADDR64 .rodata+0x00000000004f7c38 c000000001df0d91 R_PPC64_UADDR64 .rodata+0x00000000004f7c48 c000000001df0dac R_PPC64_UADDR64 .rodata+0x00000000004f7c58 c000000001df0dc7 R_PPC64_UADDR64 .rodata+0x00000000004f7c68 c000000001df0de2 R_PPC64_UADDR64 .rodata+0x00000000004f7c70 c000000001df0dfd R_PPC64_UADDR64 .rodata+0x00000000004f7c80 c000000001df0e33 R_PPC64_UADDR64 .rodata+0x00000000004f7ca0 c000000001df0e4e R_PPC64_UADDR64 .rodata+0x00000000004f7cb0 c000000001df0e69 R_PPC64_UADDR64 .rodata+0x00000000004f7cc0 c000000001df0e84 R_PPC64_UADDR64 .rodata+0x00000000004f7cd0 c000000001df0e9f R_PPC64_UADDR64 .rodata+0x00000000004f7ce0 c000000001df0eba R_PPC64_UADDR64 .rodata+0x00000000004f7cf8 c000000001df0ed5 R_PPC64_UADDR64 .rodata+0x00000000004f7d10 c000000001df0f0b R_PPC64_UADDR64 .rodata+0x00000000004f7d30 c000000001df0f26 R_PPC64_UADDR64 .rodata+0x00000000004f7d40 c000000001df0f41 R_PPC64_UADDR64 .rodata+0x00000000004f7d50 c000000001df0f5c R_PPC64_UADDR64 .rodata+0x00000000004f7d60 c000000001df0f77 R_PPC64_UADDR64 .rodata+0x00000000004f7d70 c000000001df0f92 R_PPC64_UADDR64 .rodata+0x00000000004f7d80 c000000001df0fad R_PPC64_UADDR64 .rodata+0x00000000004f7d90 c000000001df0fe3 R_PPC64_UADDR64 .rodata+0x00000000004f7db0 c000000001df0ffe R_PPC64_UADDR64 .rodata+0x00000000004f7dc0 c000000001df1019 R_PPC64_UADDR64 .rodata+0x00000000004f7dd0 c000000001df1034 R_PPC64_UADDR64 .rodata+0x00000000004f7de0 c000000001df104f R_PPC64_UADDR64 .rodata+0x00000000004f7df0 c000000001df106a R_PPC64_UADDR64 .rodata+0x00000000004f7e00 c000000001df1085 R_PPC64_UADDR64 .rodata+0x00000000004f7e10 c000000001df10bb R_PPC64_UADDR64 .rodata+0x00000000004f7e30 c000000001df10d6 R_PPC64_UADDR64 .rodata+0x00000000004f7e40 c000000001df10f1 R_PPC64_UADDR64 .rodata+0x00000000004f7e50 c000000001df110c R_PPC64_UADDR64 .rodata+0x00000000004f7e60 c000000001df1127 R_PPC64_UADDR64 .rodata+0x00000000004f7e70 c000000001df1142 R_PPC64_UADDR64 .rodata+0x00000000004f7e80 c000000001df115d R_PPC64_UADDR64 .rodata+0x00000000004f7e90 c000000001df1193 R_PPC64_UADDR64 .rodata+0x00000000004f7eb0 c000000001df11ae R_PPC64_UADDR64 .rodata+0x00000000004f7ec0 c000000001df11c9 R_PPC64_UADDR64 .rodata+0x00000000004f7ed0 c000000001df11e4 R_PPC64_UADDR64 .rodata+0x00000000004f7ee0 c000000001df11ff R_PPC64_UADDR64 .rodata+0x00000000004f7ef0 c000000001df121a R_PPC64_UADDR64 .rodata+0x00000000004f7f00 c000000001df1235 R_PPC64_UADDR64 .rodata+0x00000000004f7f10 c000000001df126b R_PPC64_UADDR64 .rodata+0x00000000004f7f30 c000000001df1286 R_PPC64_UADDR64 .rodata+0x00000000004f7f40 c000000001df12a1 R_PPC64_UADDR64 .rodata+0x00000000004f7f50 c000000001df12bc R_PPC64_UADDR64 .rodata+0x00000000004f7f60 c000000001df12d7 R_PPC64_UADDR64 .rodata+0x00000000004f7f70 c000000001df12f2 R_PPC64_UADDR64 .rodata+0x00000000004f7f80 c000000001df130d R_PPC64_UADDR64 .rodata+0x00000000004f7f90 c000000001df1343 R_PPC64_UADDR64 .rodata+0x00000000004f7fb0 c000000001df135e R_PPC64_UADDR64 .rodata+0x00000000004f7fc0 c000000001df1379 R_PPC64_UADDR64 .rodata+0x00000000004f7fd0 c000000001df1394 R_PPC64_UADDR64 .rodata+0x00000000004f7fe8 c000000001df13af R_PPC64_UADDR64 .rodata+0x00000000004f7ff8 c000000001df13ca R_PPC64_UADDR64 .rodata+0x00000000004f8008 c000000001df13e5 R_PPC64_UADDR64 .rodata+0x00000000004f8018 c000000001df141b R_PPC64_UADDR64 .rodata+0x00000000004f8038 c000000001df1436 R_PPC64_UADDR64 .rodata+0x00000000004f8048 c000000001df1451 R_PPC64_UADDR64 .rodata+0x00000000004f8058 WARNING: You need at least binutils >= 2.19 to build a CONFIG_RELOCATABLE kernel Completed OK # rm -rf /kisskb/build/powerpc-next_ppc64le_allmodconfig_powerpc-gcc9 # Build took: 0:22:25.267008