Re: [PATCH V2 2/4] perf/x86/amd: AMD implementation for hardwarebreakpoint address mask

[Oleg Nesterov]

On 04/23, Jacob Shin wrote:
>
> +int arch_validate_hwbkpt_addr_mask(struct perf_event *bp)
> +{
> +	if (!cpu_has_bpext)
> +		return -EOPNOTSUPP;

I must have missed something...

But it shouldn't fail if bp_addr_mask == 0?

Oleg.

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