Messages in this thread | | | From | Atish Patra <> | Date | Tue, 31 Jan 2023 00:41:58 -0800 | Subject | Re: [PATCH v3 1/2] RISC-V: KVM: Fix privilege mode setting in kvm_riscv_vcpu_trap_redirect() |
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On Sat, Jan 28, 2023 at 12:28 AM Anup Patel <apatel@ventanamicro.com> wrote: > > The kvm_riscv_vcpu_trap_redirect() should set guest privilege mode > to supervisor mode because guest traps/interrupts are always handled > in virtual supervisor mode. > > Fixes: 9f7013265112 ("RISC-V: KVM: Handle MMIO exits for VCPU") > Signed-off-by: Anup Patel <apatel@ventanamicro.com> > --- > arch/riscv/kvm/vcpu_exit.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/riscv/kvm/vcpu_exit.c b/arch/riscv/kvm/vcpu_exit.c > index c9f741ab26f5..af7c4bc07929 100644 > --- a/arch/riscv/kvm/vcpu_exit.c > +++ b/arch/riscv/kvm/vcpu_exit.c > @@ -160,6 +160,9 @@ void kvm_riscv_vcpu_trap_redirect(struct kvm_vcpu *vcpu, > > /* Set Guest PC to Guest exception vector */ > vcpu->arch.guest_context.sepc = csr_read(CSR_VSTVEC); > + > + /* Set Guest privilege mode to supervisor */ > + vcpu->arch.guest_context.sstatus |= SR_SPP; > } > > /* > -- > 2.34.1 >
Reviewed-by: Atish Patra <atishp@rivosinc.com>
-- Regards, Atish
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