From: Thomas Gleixner <tglx@linutronix.de>
To: Jinjie Ruan <ruanjinjie@huawei.com>, linux-kernel@vger.kernel.org
Cc: ruanjinjie@huawei.com
Subject: Re: [PATCH -next] genirq/timings: Use time_after_eq() macro
Date: Sun, 08 Sep 2024 16:06:26 +0200 [thread overview]
Message-ID: <87seuack9p.ffs@tglx> (raw)
In-Reply-To: <20240902025727.2298958-1-ruanjinjie@huawei.com>
On Mon, Sep 02 2024 at 10:57, Jinjie Ruan wrote:
> @@ -383,7 +383,7 @@ static u64 __irq_timings_next_event(struct irqt_stat *irqs, int irq, u64 now)
> {
> int index, i, period_max, count, start, min = INT_MAX;
>
> - if ((now - irqs->last_ts) >= NSEC_PER_SEC) {
> + if (time_after_eq(now, irqs->last_ts + NSEC_PER_SEC)) {
time_after_eq() is meant for handling jiffies and not for arbitraty time
stamps which have nothing to do with jiffies at all
Thanks,
tglx
prev parent reply other threads:[~2024-09-08 14:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-02 2:57 [PATCH -next] genirq/timings: Use time_after_eq() macro Jinjie Ruan
2024-09-08 14:06 ` Thomas Gleixner [this message]
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