Re: [PATCH v3 2/4] powerpc: expose secure variables to userspace via sysfs

[Greg Kroah-Hartman]

On Mon, Aug 26, 2019 at 09:23:36AM -0400, Nayna Jain wrote:
> +static struct bin_attribute update_attr = {
> +	.attr = {.name = "update", .mode = 0200},
> +	.size = VARIABLE_MAX_SIZE,
> +	.write = update_write,
> +};

Ah, do we need a __BIN_ATTR_WO() macro for you?  That would make this
more obvious, right?

Other than that minor thing (not a complaint at all) looks much better
to me, nice work:

Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>