linux-kernel - Re: [PATCH v2 0/6] arm64: add the time namespace support

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Message-ID: <1d9c4c56-af16-e54f-08ca-76c6570b2d53@arm.com>
Date:   Tue, 14 Apr 2020 10:02:53 +0100
From:   Vincenzo Frascino <vincenzo.frascino@....com>
To:     Andrei Vagin <avagin@...il.com>
Cc:     linux-arm-kernel@...ts.infradead.org,
        LKML <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Dmitry Safonov <dima@...sta.com>
Subject: Re: [PATCH v2 0/6] arm64: add the time namespace support

Hi Andrei,

On 4/11/20 8:33 AM, Andrei Vagin wrote:
> On Thu, Apr 9, 2020 at 6:23 AM Vincenzo Frascino
> <vincenzo.frascino@....com> wrote:
>>
>> Hi Andrei,
>>
[...]

>> Sorry for the delay, I completed this morning the review of your patches and I
>> do not have anymore comments on them. Thank you for making the effort and
>> bringing the time namespace support to arm64.
> 
> Thank you for the review of these patches.
> 
>>
>> I have though a question on something I encountered during the testing of the
>> patches: I noticed that all the tests related to CLOCK_BOOTTIME_ALARM fail on
>> arm64 (please find the results below the scissors). Is this expected?
> 
> static int alarm_clock_get_timespec(clockid_t which_clock, struct
> timespec64 *tp)
> {
>         struct alarm_base *base = &alarm_bases[clock2alarm(which_clock)];
> 
>         if (!alarmtimer_get_rtcdev())
>                 return -EINVAL;
> 
> It is probably that you get EINVAL from here ^^^. I will send a
> separate patch to handle this case in tests properly.
>

This makes sense :) Please let me know when you post the fix so I can test it again.

Are you planning as well to rebase this set?

> Thanks,
> Andrei
> 

-- 
Regards,
Vincenzo