diff mbox series

[v2,04/10] target/riscv: Remove check on RVH for riscv_cpu_set_virt_enabled

Message ID 20230327080858.39703-5-liweiwei@iscas.ac.cn
State New
Headers show
Series target/riscv: Simplification for RVH related check and code style fix | expand

Commit Message

Weiwei Li March 27, 2023, 8:08 a.m. UTC 
In current implementation, riscv_cpu_set_virt_enabled is only called when
RVH is enabled.

Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
---
 target/riscv/cpu_helper.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

Comments

Alistair Francis April 5, 2023, 5:20 a.m. UTC | #1 
On Mon, Mar 27, 2023 at 6:12 PM Weiwei Li <liweiwei@iscas.ac.cn> wrote:
>
> In current implementation, riscv_cpu_set_virt_enabled is only called when
> RVH is enabled.
>
> Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
> Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
> Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
>  target/riscv/cpu_helper.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
> index 62fd2c90f1..b286118a6b 100644
> --- a/target/riscv/cpu_helper.c
> +++ b/target/riscv/cpu_helper.c
> @@ -563,12 +563,9 @@ bool riscv_cpu_virt_enabled(CPURISCVState *env)
>      return get_field(env->virt, VIRT_ONOFF);
>  }
>
> +/* This function can only be called to set virt when RVH is enabled */
>  void riscv_cpu_set_virt_enabled(CPURISCVState *env, bool enable)
>  {
> -    if (!riscv_has_ext(env, RVH)) {
> -        return;
> -    }
> -
>      /* Flush the TLB on all virt mode changes. */
>      if (get_field(env->virt, VIRT_ONOFF) != enable) {
>          tlb_flush(env_cpu(env));
> --
> 2.25.1
>
>
diff mbox series

Patch

diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index 62fd2c90f1..b286118a6b 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -563,12 +563,9 @@  bool riscv_cpu_virt_enabled(CPURISCVState *env)
     return get_field(env->virt, VIRT_ONOFF);
 }
 
+/* This function can only be called to set virt when RVH is enabled */
 void riscv_cpu_set_virt_enabled(CPURISCVState *env, bool enable)
 {
-    if (!riscv_has_ext(env, RVH)) {
-        return;
-    }
-
     /* Flush the TLB on all virt mode changes. */
     if (get_field(env->virt, VIRT_ONOFF) != enable) {
         tlb_flush(env_cpu(env));