linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: Olaf Hering <olaf@aepfle.de>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	devel@linuxdriverproject.org, linux-kernel@vger.kernel.org,
	Haiyang Zhang <haiyangz@microsoft.com>,
	"K. Y. Srinivasan" <kys@microsoft.com>,
	John Stultz <john.stultz@linaro.org>,
	Alex Ng <alexng@microsoft.com>,
	Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [PATCH RFC] hv_utils: implement Hyper-V PTP source
Date: Fri, 13 Jan 2017 16:37:41 +0100	[thread overview]
Message-ID: <871sw72coq.fsf@vitty.brq.redhat.com> (raw)
In-Reply-To: <20170113152126.GA31625@aepfle.de> (Olaf Hering's message of "Fri, 13 Jan 2017 16:21:26 +0100")

Olaf Hering <olaf@aepfle.de> writes:

> On Fri, Jan 13, Vitaly Kuznetsov wrote:
>
>> +	hv_ptp_clock = ptp_clock_register(&ptp_hyperv_info, NULL);
>> +	if (IS_ERR(hv_ptp_clock)) {
>
> Should that be IS_ERR_OR_NULL to catch "!IS_REACHABLE(CONFIG_PTP_1588_CLOCK)"?
>

Oh, yes. I missed the case when CONFIG_PTP_1588_CLOCK is disabled
completely. I'll also remove the return below to not fail the device
completely. Even if there is no PTP support in kernel the
ICTIMESYNCFLAG_SYNC case which triggers do_settimeofday64() is still
probably useful.

-- 
  Vitaly

  reply	other threads:[~2017-01-13 15:37 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-04 17:24 [PATCH v2 0/4] hv_util: adjust system time smoothly Vitaly Kuznetsov
2017-01-04 17:24 ` [PATCH v2 1/4] timekeeping: export do_adjtimex() to modules Vitaly Kuznetsov
2017-01-07  1:06   ` John Stultz
2017-01-09 13:03     ` Vitaly Kuznetsov
2017-01-04 17:24 ` [PATCH v2 2/4] hv_util: switch to using timespec64 Vitaly Kuznetsov
2017-01-07  1:04   ` John Stultz
2017-01-04 17:24 ` [PATCH v2 3/4] hv_util: use do_adjtimex() to update system time Vitaly Kuznetsov
2017-01-04 19:09   ` Stephen Hemminger
2017-01-05 12:37     ` Vitaly Kuznetsov
2017-01-07  0:56   ` John Stultz
2017-01-04 17:24 ` [PATCH v2 4/4] hv_util: improve time adjustment accuracy by disabling interrupts Vitaly Kuznetsov
2017-01-04 19:17   ` Stephen Hemminger
2017-01-05 12:35     ` Vitaly Kuznetsov
2017-01-05 17:39       ` Stephen Hemminger
2017-01-07  1:02   ` John Stultz
2017-01-09 13:05     ` Vitaly Kuznetsov
2017-01-09 21:27 ` [PATCH v2 0/4] hv_util: adjust system time smoothly Thomas Gleixner
2017-01-10 14:30   ` Vitaly Kuznetsov
2017-01-10 14:58     ` Thomas Gleixner
2017-01-13 13:05       ` [PATCH RFC] hv_utils: implement Hyper-V PTP source Vitaly Kuznetsov
2017-01-13 14:50         ` Richard Cochran
2017-01-13 15:38           ` Vitaly Kuznetsov
2017-01-13 15:21         ` Olaf Hering
2017-01-13 15:37           ` Vitaly Kuznetsov [this message]
2017-01-16 19:29         ` Thomas Gleixner
2017-01-17  9:53           ` Vitaly Kuznetsov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=871sw72coq.fsf@vitty.brq.redhat.com \
    --to=vkuznets@redhat.com \
    --cc=alexng@microsoft.com \
    --cc=devel@linuxdriverproject.org \
    --cc=haiyangz@microsoft.com \
    --cc=john.stultz@linaro.org \
    --cc=kys@microsoft.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=olaf@aepfle.de \
    --cc=stephen@networkplumber.org \
    --cc=tglx@linutronix.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).