Buildresult: linus/i386-allnoconfig/i386-gcc4.6 built on Jun 13 2018, 17:16

kisskb

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Status:	OK
Date/Time:	Jun 13 2018, 17:16
Duration:	0:00:13.843663
Builder:	ka2
Revision:	Revert "debugfs: inode: debugfs_create_dir uses mode permission from parent" (`f5b7769eb0400ec5217a47e41148a9f816ca1f9f)`
Target:	linus/i386-allnoconfig/i386-gcc4.6
Branch:	linus
Compiler:	i386-gcc4.6 (i386-linux-gcc (GCC) 4.6.3)
Config:	allnoconfig (download)
Log:	Download original Possible warnings (2) kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/e820.c:651:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] Full Log # 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 <torvalds@linux-foundation.org> # 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 <torvalds@linux-foundation.org> # Cc: Wanpeng Li <kernellwp@gmail.com> # Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> # Cc: Thomas Richter <tmricht@linux.ibm.com> # Cc: Kees Cook <keescook@chromium.org> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux-gcc --version # < git log --format=%s --max-count=1 f5b7769eb0400ec5217a47e41148a9f816ca1f9f # < make -s -j 48 ARCH=i386 O=/kisskb/build/linus_i386-allnoconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux- allnoconfig # make -s -j 48 ARCH=i386 O=/kisskb/build/linus_i386-allnoconfig_i386 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/i386-linux/bin/i386-linux- CONFIG_CC_STACKPROTECTOR_AUTO: -fstack-protector available but compiler is broken: disabling /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/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap': /kisskb/src/arch/x86/kernel/e820.c:651:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] Completed OK # rm -rf /kisskb/build/linus_i386-allnoconfig_i386 # Build took: 0:00:13.843663

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