Buildresult: linus/x86_64-allnoconfig/x86_64-gcc4.6 built on Dec 2 2018, 10:48

kisskb

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Status:	OK
Date/Time:	Dec 2 2018, 10:48
Duration:	0:00:10.946886
Builder:	ka4
Revision:	Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip (`4b78317679c4f3782a3cff0ddb269c1fcfde7621)`
Target:	linus/x86_64-allnoconfig/x86_64-gcc4.6
Branch:	linus
Compiler:	x86_64-gcc4.6 (x86_64-linux-gcc (GCC) 4.6.3)
Config:	allnoconfig (download)
Log:	Download original Possible warnings (3) kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/e820.c:650:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] Full Log # git rev-parse -q --verify 4b78317679c4f3782a3cff0ddb269c1fcfde7621^{commit} 4b78317679c4f3782a3cff0ddb269c1fcfde7621 already have revision, skipping fetch # git checkout -q -f -B kisskb 4b78317679c4f3782a3cff0ddb269c1fcfde7621 # git clean -qxdf # < git log -1 # commit 4b78317679c4f3782a3cff0ddb269c1fcfde7621 # Merge: 880584176ed7 55a974021ec9 # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Sat Dec 1 12:35:48 2018 -0800 # # Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip # # Pull STIBP fallout fixes from Thomas Gleixner: # "The performance destruction department finally got it's act together # and came up with a cure for the STIPB regression: # # - Provide a command line option to control the spectre v2 user space # mitigations. Default is either seccomp or prctl (if seccomp is # disabled in Kconfig). prctl allows mitigation opt-in, seccomp # enables the migitation for sandboxed processes. # # - Rework the code to handle the conditional STIBP/IBPB control and # remove the now unused ptrace_may_access_sched() optimization # attempt # # - Disable STIBP automatically when SMT is disabled # # - Optimize the switch_to() logic to avoid MSR writes and invocations # of __switch_to_xtra(). # # - Make the asynchronous speculation TIF updates synchronous to # prevent stale mitigation state. # # As a general cleanup this also makes retpoline directly depend on # compiler support and removes the 'minimal retpoline' option which just # pretended to provide some form of security while providing none" # # * 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (31 commits) # x86/speculation: Provide IBPB always command line options # x86/speculation: Add seccomp Spectre v2 user space protection mode # x86/speculation: Enable prctl mode for spectre_v2_user # x86/speculation: Add prctl() control for indirect branch speculation # x86/speculation: Prepare arch_smt_update() for PRCTL mode # x86/speculation: Prevent stale SPEC_CTRL msr content # x86/speculation: Split out TIF update # ptrace: Remove unused ptrace_may_access_sched() and MODE_IBRS # x86/speculation: Prepare for conditional IBPB in switch_mm() # x86/speculation: Avoid __switch_to_xtra() calls # x86/process: Consolidate and simplify switch_to_xtra() code # x86/speculation: Prepare for per task indirect branch speculation control # x86/speculation: Add command line control for indirect branch speculation # x86/speculation: Unify conditional spectre v2 print functions # x86/speculataion: Mark command line parser data __initdata # x86/speculation: Mark string arrays const correctly # x86/speculation: Reorder the spec_v2 code # x86/l1tf: Show actual SMT state # x86/speculation: Rework SMT state change # sched/smt: Expose sched_smt_present static key # ... # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 4b78317679c4f3782a3cff0ddb269c1fcfde7621 # < make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus_x86_64-allnoconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- allnoconfig # make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus_x86_64-allnoconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq': /kisskb/src/arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap': /kisskb/src/arch/x86/kernel/e820.c:650:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] Completed OK # rm -rf /kisskb/build/linus_x86_64-allnoconfig_x86_64 # Build took: 0:00:10.946886

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