From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Du Date: Tue, 2 Apr 2024 06:26:27 +0000 Subject: [PATCH v4 2/3] RISC-V: KVM: Handle breakpoint exits for VCPU In-Reply-To: <20240402062628.5425-1-duchao@eswincomputing.com> References: <20240402062628.5425-1-duchao@eswincomputing.com> Message-ID: <20240402062628.5425-3-duchao@eswincomputing.com> List-Id: To: kvm-riscv@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Exit to userspace for breakpoint traps. Set the exit_reason as KVM_EXIT_DEBUG before exit. Signed-off-by: Chao Du Reviewed-by: Anup Patel --- arch/riscv/kvm/vcpu_exit.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/riscv/kvm/vcpu_exit.c b/arch/riscv/kvm/vcpu_exit.c index 2415722c01b8..5761f95abb60 100644 --- a/arch/riscv/kvm/vcpu_exit.c +++ b/arch/riscv/kvm/vcpu_exit.c @@ -204,6 +204,10 @@ int kvm_riscv_vcpu_exit(struct kvm_vcpu *vcpu, struct kvm_run *run, if (vcpu->arch.guest_context.hstatus & HSTATUS_SPV) ret = kvm_riscv_vcpu_sbi_ecall(vcpu, run); break; + case EXC_BREAKPOINT: + run->exit_reason = KVM_EXIT_DEBUG; + ret = 0; + break; default: break; } -- 2.17.1