[PATCH v2 2/3] arm64/sve: Use the sve_flush macros in sve_load_from_fpsimd_state()

[Dave Martin]

On Tue, May 11, 2021 at 05:04:45PM +0100, Mark Brown wrote:
> This makes the code a bit clearer and as a result we can also make the
> indentation more normal, there is no change to the generated code.
> 
> Signed-off-by: Mark Brown <broonie at kernel.org>

Reviewed-by: Dave Martin <Dave.Martin at arm.com>

> ---
>  arch/arm64/kernel/entry-fpsimd.S | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/arm64/kernel/entry-fpsimd.S b/arch/arm64/kernel/entry-fpsimd.S
> index 7921d58427c2..dd8382e5ce82 100644
> --- a/arch/arm64/kernel/entry-fpsimd.S
> +++ b/arch/arm64/kernel/entry-fpsimd.S
> @@ -63,11 +63,10 @@ SYM_FUNC_END(sve_set_vq)
>   * and the rest zeroed. All the other SVE registers will be zeroed.
>   */
>  SYM_FUNC_START(sve_load_from_fpsimd_state)
> -		sve_load_vq	x1, x2, x3
> -		fpsimd_restore	x0, 8
> - _for n, 0, 15, _sve_pfalse	\n
> -		_sve_wrffr	0
> -		ret
> +	sve_load_vq	x1, x2, x3
> +	fpsimd_restore	x0, 8
> +	sve_flush_p_ffr
> +	ret
>  SYM_FUNC_END(sve_load_from_fpsimd_state)
>  
>  /* Zero all SVE registers but the first 128-bits of each vector */
> -- 
> 2.20.1
> 
> 
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