>>> On 01.04.17 at 15:53, <yi.y....@linux.intel.com> wrote:
> +static void do_write_psr_msr(void *data)
> +{
> + struct cos_write_info *info = data;
> + unsigned int cos = info->cos;
> + struct feat_node *feat = info->feature;
> +
> + if ( cos > feat->props->cos_max )
> + return;
This check can as well be done in the caller, allowing to avoid the IPI
in case it's true.
> + feat->props->write_msr(cos, info->val, feat);
Once the function consists of just this I wonder if it wasn't better
to invoke the hook directly from write_psr_msr().
Jan
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