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Date: Mon, 6 Jul 2026 10:20:42 +0800 Message-ID: <20260706022046.214956-7-inochiama@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260706022046.214956-1-inochiama@gmail.com> References: <20260706022046.214956-1-inochiama@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260705_192147_821646_CBDE9E94 X-CRM114-Status: UNSURE ( 8.59 ) X-CRM114-Notice: Please train this message. X-BeenThere: kvm-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kvm-riscv" Errors-To: kvm-riscv-bounces+kvm-riscv=archiver.kernel.org@lists.infradead.org Delegate the newly added SPELP bit from Zicfilp extension to VS/VU mode if it enables landing pad support. Signed-off-by: Inochi Amaoto --- arch/riscv/kvm/vcpu_exit.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/riscv/kvm/vcpu_exit.c b/arch/riscv/kvm/vcpu_exit.c index 12eebeabdf14..92a3ea7c7ffb 100644 --- a/arch/riscv/kvm/vcpu_exit.c +++ b/arch/riscv/kvm/vcpu_exit.c @@ -154,6 +154,13 @@ void kvm_riscv_vcpu_trap_redirect(struct kvm_vcpu *vcpu, /* Clear Guest SSTATUS.SIE bit */ vsstatus &= ~SR_SIE; + /* Change Guest SSTATUS.SPELP bit */ + if (vcpu->arch.cfg.henvcfg & ENVCFG_LPE) { + vsstatus &= ~SR_SPELP; + vsstatus |= vcpu->arch.guest_context.sstatus & SR_SPELP; + vcpu->arch.guest_context.sstatus &= ~SR_SPELP; + } + /* Update Guest SSTATUS */ ncsr_write(CSR_VSSTATUS, vsstatus); -- 2.55.0 -- kvm-riscv mailing list kvm-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kvm-riscv