netdev - Re: [PATCH bpf-next 3/3] selftests/bpf: Add profiler test

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Date:   Tue, 6 Oct 2020 18:22:05 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     davem@...emloft.net, daniel@...earbox.net,
        john.fastabend@...il.com, netdev@...r.kernel.org,
        bpf@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH bpf-next 3/3] selftests/bpf: Add profiler test

On Tue,  6 Oct 2020 13:09:55 -0700 Alexei Starovoitov wrote:
> +static ino_t get_inode_from_kernfs(struct kernfs_node* node)

nit: my bot suggests this may be missing an "INLINE" since it's a
     static function in a header

> +{
> +	struct kernfs_node___52* node52 = (void*)node;
> +
> +	if (bpf_core_field_exists(node52->id.ino)) {
> +		barrier_var(node52);
> +		return BPF_CORE_READ(node52, id.ino);
> +	} else {
> +		barrier_var(node);
> +		return (u64)BPF_CORE_READ(node, id);
> +	}
> +}