Hello, This patch set adds a simple vcpu_is_preempted() implementation so that scheduler can make better decisions when it search for the idle (v)CPU. For sched benchmarks please refer to [0]. [0] https://github.com/sergey-senozhatsky/arm64-vcpu_is_preempted v2: - 5.13 rebase (static calls, etc) - simplified and reworked some bits Sergey Senozhatsky (4): arm64: smccc: Add SMCCC pv-vcpu-state function call IDs arm64: add guest pvstate support arm64: do not use dummy vcpu_is_preempted() arm64: add host pv-vcpu-state support arch/arm64/include/asm/kvm_host.h | 23 ++++++++ arch/arm64/include/asm/paravirt.h | 19 +++++++ arch/arm64/include/asm/spinlock.h | 18 +++--- arch/arm64/kernel/paravirt.c | 94 +++++++++++++++++++++++++++++++ arch/arm64/kernel/smp.c | 4 ++ arch/arm64/kvm/Makefile | 3 +- arch/arm64/kvm/arm.c | 3 + arch/arm64/kvm/hypercalls.c | 11 ++++ arch/arm64/kvm/pv-vcpu-state.c | 64 +++++++++++++++++++++ include/linux/arm-smccc.h | 18 ++++++ 10 files changed, 248 insertions(+), 9 deletions(-) create mode 100644 arch/arm64/kvm/pv-vcpu-state.c -- 2.32.0.93.g670b81a890-goog _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
