Re: [PATCH v3 1/7] seqnum_ops: Introduce Sequence Number Ops
From: Peter Zijlstra
Date: Thu Feb 04 2021 - 04:22:20 EST
On Wed, Feb 03, 2021 at 11:11:57AM -0700, Shuah Khan wrote:
> +static inline u32 seqnum32_inc(struct seqnum32 *seq)
> +{
> + atomic_t val = ATOMIC_INIT(seq->seqnum);
> +
> + seq->seqnum = (u32) atomic_inc_return(&val);
> + if (seq->seqnum >= UINT_MAX)
> + pr_info("Sequence Number overflow %u detected\n",
> + seq->seqnum);
> + return seq->seqnum;
> +}
What kind of broken garbage is that?