[PATCH 3/3] target/riscv: Skip parsing extensions from properties for KVM

[Bin Meng <bmeng.cn@gmail.com>]

When running with accel=kvm, the extensions are actually told by
KVM, so let's skip the parsing logic from properties for KVM.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
---

 target/riscv/cpu.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 61d1737741..ff911017c3 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -581,8 +581,11 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
     }
     assert(env->misa_mxl_max == env->misa_mxl);
 
-    /* If only MISA_EXT is unset for misa, then set it from properties */
-    if (env->misa_ext == 0) {
+    /*
+     * If only MISA_EXT is unset for misa, then set it from properties.
+     * For KVM, misa is told by KVM so properties are ignored.
+     */
+    if (!kvm_enabled() && env->misa_ext == 0) {
         uint32_t ext = 0;
 
         /* Do some ISA extension error checking */
-- 
2.34.1