# git rev-parse -q --verify f5b7769eb0400ec5217a47e41148a9f816ca1f9f^{commit} f5b7769eb0400ec5217a47e41148a9f816ca1f9f already have revision, skipping fetch # git checkout -q -f -B kisskb f5b7769eb0400ec5217a47e41148a9f816ca1f9f # git clean -qxdf # < git log -1 # commit f5b7769eb0400ec5217a47e41148a9f816ca1f9f # Author: Linus Torvalds # Date: Tue Jun 12 20:52:16 2018 -0700 # # Revert "debugfs: inode: debugfs_create_dir uses mode permission from parent" # # This reverts commit 95cde3c59966f6371b6bcd9e4e2da2ba64ee9775. # # The commit had good intentions, but it breaks kvm-tool and qemu-kvm. # # With it in place, "lkvm run" just fails with # # Error: KVM_CREATE_VM ioctl # Warning: Failed init: kvm__init # # which isn't a wonderful error message, but bisection pinpointed the # problematic commit. # # The problem is almost certainly due to the special kvm debugfs entries # created dynamically by kvm under /sys/kernel/debug/kvm/. See # kvm_create_vm_debugfs() # # Bisected-and-reported-by: Linus Torvalds # Cc: Wanpeng Li # Cc: Greg Kroah-Hartman # Cc: Thomas Richter # Cc: Kees Cook # Signed-off-by: Linus Torvalds # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 f5b7769eb0400ec5217a47e41148a9f816ca1f9f # < make -s -j 10 ARCH=powerpc O=/kisskb/build/linus_mpc85xx_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- mpc85xx_defconfig # make -s -j 10 ARCH=powerpc O=/kisskb/build/linus_mpc85xx_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. :1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp] /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1256:20: warning: 'root' 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:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2497:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1819:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/wm8960.c: In function 'wm8960_configure_clocking': /kisskb/src/sound/soc/codecs/wm8960.c:803:70: warning: 'j' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/wm8960.c:800:68: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1433:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c: In function 'allocate_bd': /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:139:6: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/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:340:21: note: 'pdeo' was declared here /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:231:19: note: 'i' was declared here /kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char': /kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] arch/powerpc/boot/mpc8541cds.dtb: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) arch/powerpc/boot/mpc8555cds.dtb: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) INFO: Uncompressed kernel (size 0xb6940c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb6940c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb6940c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb6940c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb6940c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb6940c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb6940c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb6940c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb6940c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb58cc0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5525591 Bytes = 5396.08 kB = 5.27 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5501569 Bytes = 5372.63 kB = 5.25 MB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5525819 Bytes = 5396.31 kB = 5.27 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5526162 Bytes = 5396.64 kB = 5.27 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5525972 Bytes = 5396.46 kB = 5.27 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5526077 Bytes = 5396.56 kB = 5.27 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5526057 Bytes = 5396.54 kB = 5.27 MB Load Address: 00c00000 Entry Point: 00c00288 Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5525969 Bytes = 5396.45 kB = 5.27 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5526490 Bytes = 5396.96 kB = 5.27 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:30 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5526526 Bytes = 5397.00 kB = 5.27 MB Load Address: 00c00000 Entry Point: 00c00248 INFO: Uncompressed kernel (size 0xb6940c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb6940c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb6940c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb6940c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb6940c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) INFO: Uncompressed kernel (size 0xb6940c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:32 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5525784 Bytes = 5396.27 kB = 5.27 MB Load Address: 00c00000 Entry Point: 00c00288 Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:32 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5526000 Bytes = 5396.48 kB = 5.27 MB Load Address: 00c00000 Entry Point: 00c00288 Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:32 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5526149 Bytes = 5396.63 kB = 5.27 MB Load Address: 00c00000 Entry Point: 00c00288 Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:32 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5525786 Bytes = 5396.28 kB = 5.27 MB Load Address: 00c00000 Entry Point: 00c00288 Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:32 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5526258 Bytes = 5396.74 kB = 5.27 MB Load Address: 00c00000 Entry Point: 00c00248 Image Name: Linux-4.17.0-gf5b7769e Created: Wed Jun 13 17:06:32 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5526255 Bytes = 5396.73 kB = 5.27 MB Load Address: 00c00000 Entry Point: 00c00248 Completed OK # rm -rf /kisskb/build/linus_mpc85xx_defconfig_powerpc # Build took: 0:01:54.258757