tree: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue head: 080a0ed2f9304366d4b723ae1cad7aeae1f02c8d commit: b94c3698b4b043a7b3aae8c3c88f60dd29565b90 [4/23] Revert "x86/kvm: Support the vCPU preemption check" config: i386-randconfig-s0-201650 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: git checkout b94c3698b4b043a7b3aae8c3c88f60dd29565b90 # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): arch/x86/kernel/kvm.c: In function '__kvm_vcpu_is_preempted': >> arch/x86/kernel/kvm.c:596:14: error: 'struct kvm_steal_time' has no member named 'preempted' return !!src->preempted; ^~ >> arch/x86/kernel/kvm.c:597:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ vim +596 arch/x86/kernel/kvm.c bf0c7c34a Waiman Long 2015-04-24 590 } bf0c7c34a Waiman Long 2015-04-24 591 3cded4179 Peter Zijlstra 2016-11-15 592 __visible bool __kvm_vcpu_is_preempted(int cpu) 3cded4179 Peter Zijlstra 2016-11-15 593 { 3cded4179 Peter Zijlstra 2016-11-15 594 struct kvm_steal_time *src = &per_cpu(steal_time, cpu); 3cded4179 Peter Zijlstra 2016-11-15 595 3cded4179 Peter Zijlstra 2016-11-15 @596 return !!src->preempted; 3cded4179 Peter Zijlstra 2016-11-15 @597 } 3cded4179 Peter Zijlstra 2016-11-15 598 PV_CALLEE_SAVE_REGS_THUNK(__kvm_vcpu_is_preempted); 3cded4179 Peter Zijlstra 2016-11-15 599 92b75202e Srivatsa Vaddagiri 2013-08-06 600 /* :::::: The code at line 596 was first introduced by commit :::::: 3cded41794818d788aa1dc028ede4a1c1222d937 x86/paravirt: Optimize native pv_lock_ops.vcpu_is_preempted() :::::: TO: Peter Zijlstra <peterz@xxxxxxxxxxxxx> :::::: CC: Ingo Molnar <mingo@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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