Re: [RFC PATCH crypto 1/4] AES-NI: Move key_length in structcrypto_aes_ctx to be the last field

[Herbert Xu]

On Mon, Jan 05, 2009 at 10:02:07AM +0800, Huang Ying wrote:
> The Intel AES-NI AES acceleration instructions need key_enc, key_dec
> in struct crypto_aes_ctx to be 16 byte aligned, it make this easier to
> move key_length to be the last one.
> 
> Signed-off-by: Huang Ying <ying.huang@xxxxxxxxx>

Patch applied.
  
>  struct crypto_aes_ctx {
> -	u32 key_length;
>  	u32 key_enc[AES_MAX_KEYLENGTH_U32];
>  	u32 key_dec[AES_MAX_KEYLENGTH_U32];
> +	u32 key_length;
>  };

I added a comment here so people don't break this down the track.

+/*
+ * Please ensure that the first two fields are 16-byte aligned
+ * relative to the start of the structure, i.e., don't move them!
+ */

Thanks,
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