Re: [PATCH 02/23] accel/tcg: Split out tlbfast_flush_locked

[Pierrick Bouvier <pierrick.bouvier@linaro.org>]

On 10/9/24 08:08, Richard Henderson wrote:
> We will have a need to flush only the "fast" portion
> of the tlb, allowing re-fill from the "full" portion.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   accel/tcg/cputlb.c | 9 +++++++--
>   1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
> index b76a4eac4e..c1838412e8 100644
> --- a/accel/tcg/cputlb.c
> +++ b/accel/tcg/cputlb.c
> @@ -284,13 +284,18 @@ static void tlb_mmu_resize_locked(CPUTLBDesc *desc, CPUTLBDescFast *fast,
>       }
>   }
>   
> -static void tlb_mmu_flush_locked(CPUTLBDesc *desc, CPUTLBDescFast *fast)
> +static void tlbfast_flush_locked(CPUTLBDesc *desc, CPUTLBDescFast *fast)
>   {
>       desc->n_used_entries = 0;
> +    memset(fast->table, -1, sizeof_tlb(fast));
> +}
> +
> +static void tlb_mmu_flush_locked(CPUTLBDesc *desc, CPUTLBDescFast *fast)
> +{
> +    tlbfast_flush_locked(desc, fast);
>       desc->large_page_addr = -1;
>       desc->large_page_mask = -1;
>       desc->vindex = 0;
> -    memset(fast->table, -1, sizeof_tlb(fast));
>       memset(desc->vtable, -1, sizeof(desc->vtable));
>   }
>   

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>