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Fri, 20 Jun 2025 02:17:29 -0700 (PDT) Received: from J9GPGXL7NT.bytedance.net ([61.213.176.56]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7490a4a488esm1643231b3a.63.2025.06.20.02.17.25 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 20 Jun 2025 02:17:28 -0700 (PDT) From: Xu Lu To: anup@brainfault.org, atish.patra@linux.dev, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr Cc: kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Xu Lu Subject: [PATCH] RISC-V: KVM: Delegate illegal instruction fault Date: Fri, 20 Jun 2025 17:17:20 +0800 Message-Id: <20250620091720.85633-1-luxu.kernel@bytedance.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250620_021734_768482_6351D7AB X-CRM114-Status: UNSURE ( 6.29 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-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: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Delegate illegal instruction fault to VS mode in default to avoid such exceptions being trapped to HS and redirected back to VS. Signed-off-by: Xu Lu --- arch/riscv/include/asm/kvm_host.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/include/asm/kvm_host.h b/arch/riscv/include/asm/kvm_host.h index 85cfebc32e4cf..97cc2c0dba73a 100644 --- a/arch/riscv/include/asm/kvm_host.h +++ b/arch/riscv/include/asm/kvm_host.h @@ -48,6 +48,7 @@ BIT(EXC_SYSCALL) | \ BIT(EXC_INST_PAGE_FAULT) | \ BIT(EXC_LOAD_PAGE_FAULT) | \ + BIT(EXC_INST_ILLEGAL) | \ BIT(EXC_STORE_PAGE_FAULT)) #define KVM_HIDELEG_DEFAULT (BIT(IRQ_VS_SOFT) | \ -- 2.20.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv