[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <56D3C8A5.5090507@miraclelinux.com>
Date: Mon, 29 Feb 2016 13:27:17 +0900
From: YOSHIFUJI Hideaki <hideaki.yoshifuji@...aclelinux.com>
To: Deepa Dinamani <deepa.kernel@...il.com>, netdev@...r.kernel.org,
y2038@...ts.linaro.org
Cc: hideaki.yoshifuji@...aclelinux.com, arnd@...db.de,
"David S. Miller" <davem@...emloft.net>,
Alexey Kuznetsov <kuznet@....inr.ac.ru>,
James Morris <jmorris@...ei.org>,
Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
Patrick McHardy <kaber@...sh.net>
Subject: Re: [PATCH v2 2/3] net: ipv4: tcp_probe: Replace timespec with
timespec64
Deepa Dinamani wrote:
> TCP probe log timestamps use struct timespec which is
> not y2038 safe. Even though timespec might be good enough here
> as it is used to represent delta time, the plan is to get rid
> of all uses of timespec in the kernel.
> Replace with struct timespec64 which is y2038 safe.
>
> Prints still use unsigned long format and type.
>
> Signed-off-by: Deepa Dinamani <deepa.kernel@...il.com>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
> Reviewed-by: Arnd Bergmann <arnd@...db.de>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Alexey Kuznetsov <kuznet@....inr.ac.ru>
> Cc: James Morris <jmorris@...ei.org>
> Cc: Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>
> Cc: Patrick McHardy <kaber@...sh.net>
> ---
> net/ipv4/tcp_probe.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
> index ebf5ff5..f6c50af 100644
> --- a/net/ipv4/tcp_probe.c
> +++ b/net/ipv4/tcp_probe.c
> @@ -187,13 +187,13 @@ static int tcpprobe_sprint(char *tbuf, int n)
> {
> const struct tcp_log *p
> = tcp_probe.log + tcp_probe.tail;
> - struct timespec tv
> - = ktime_to_timespec(ktime_sub(p->tstamp, tcp_probe.start));
> + struct timespec64 ts
> + = ktime_to_timespec64(ktime_sub(p->tstamp, tcp_probe.start));
>
> return scnprintf(tbuf, n,
> "%lu.%09lu %pISpc %pISpc %d %#x %#x %u %u %u %u %u\n",
> - (unsigned long)tv.tv_sec,
> - (unsigned long)tv.tv_nsec,
> + (unsigned long)ts.tv_sec,
> + (unsigned long)ts.tv_nsec,
> &p->src, &p->dst, p->length, p->snd_nxt, p->snd_una,
> p->snd_cwnd, p->ssthresh, p->snd_wnd, p->srtt, p->rcv_wnd);
> }
>
--
Hideaki Yoshifuji <hideaki.yoshifuji@...aclelinux.com>
Technical Division, MIRACLE LINUX CORPORATION
Powered by blists - more mailing lists