Re: [PATCH 29/31] binfmt_flat: use flush_icache_user_range

[Greg Ungerer]

Hi Christoph,

On 10/5/20 5:55 pm, Christoph Hellwig wrote:
> load_flat_file works on user addresses.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Acked-by: Greg Ungerer <gerg@xxxxxxxxxxxxxx>

Regards
Greg



> ---
>   fs/binfmt_flat.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
> index 831a2b25ba79f..6f0aca5379da2 100644
> --- a/fs/binfmt_flat.c
> +++ b/fs/binfmt_flat.c
> @@ -854,7 +854,7 @@ static int load_flat_file(struct linux_binprm *bprm,
>   #endif /* CONFIG_BINFMT_FLAT_OLD */
>   	}
>   
> -	flush_icache_range(start_code, end_code);
> +	flush_icache_user_range(start_code, end_code);
>   
>   	/* zero the BSS,  BRK and stack areas */
>   	if (clear_user((void __user *)(datapos + data_len), bss_len +