[PATCH 0/4] RISCV: Add kvm Sstc timer selftest

Haibo Xu xiaobo55x at gmail.com
Wed Aug 2 17:26:39 PDT 2023


On Thu, Aug 3, 2023 at 6:16 AM Sean Christopherson <seanjc at google.com> wrote:
>
> On Thu, Jul 27, 2023, Haibo Xu wrote:
> > The sstc_timer selftest is used to validate Sstc timer functionality
> > in a guest, which sets up periodic timer interrupts and check the
> > basic interrupt status upon its receipt.
> >
> > This KVM selftest was ported from aarch64 arch_timer and tested
> > with Linux v6.5-rc3 on a Qemu riscv64 virt machine.
> >
> > Haibo Xu (4):
> >   tools: riscv: Add header file csr.h
> >   KVM: riscv: selftests: Add exception handling support
> >   KVM: riscv: selftests: Add guest helper to get vcpu id
> >   KVM: riscv: selftests: Add sstc_timer test
>
> FYI, patch 4 will conflict with the in-flight guest printf changes[*], as will
> reworking the existing arch_timer test.  My plan is to create an immutable tag
> later this week (waiting to make sure nothing explodes).  I highly recommend basing
> v2 on top of that.
>
> [*] https://lore.kernel.org/all/20230729003643.1053367-1-seanjc@google.com

Sure, thanks for the info!



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