On Wed, Apr 25, 2018 at 11:12:47AM -0700, kys@xxxxxxxxxxxxxxxxx wrote:
> +/*
> + * IPI implementation on Hyper-V.
> + */
> +
> +static int __send_ipi_mask(const struct cpumask *mask, int vector)
> +{
> + int cur_cpu, vcpu;
> + struct ipi_arg_non_ex **arg;
> + struct ipi_arg_non_ex *ipi_arg;
> + int ret = 1;
Not specifically related to this patch, but hv code sometimes returns 1
on error or U64_MAX. It's slightly magical. Maybe
HV_STATUS_INVALID_HYPERCALL_INPUT (3) would be more appropriate? Or we
could make a new more generic error code:
#define HV_STATUS_INVALID 1
regards,
dan carpenter
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