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From:   Rafael Tinoco <rafael.tinoco@linaro.org>
Date:   Thu, 24 May 2018 23:51:02 -0300
Message-ID: <CADtBP2CDjgB_xizZdoKVQjxTcs7uKQccR3Phkd-0aEcogv912Q@mail.gmail.com>
Subject: Re: [PATCH 4.4 00/92] 4.4.133-stable review
To:     Daniel Sangorrin <daniel.sangorrin@toshiba.co.jp>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org, shuah@kernel.org,
        patches@kernelci.org, lkft-triage@lists.linaro.org,
        ben.hutchings@codethink.co.uk, stable@vger.kernel.org,
        akpm@linux-foundation.org, torvalds@linux-foundation.org,
        linux@roeck-us.net
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Thank you Daniel! Will investigate those.

Meanwhile, Greg, I referred to:

time: Fix CLOCK_MONOTONIC_RAW sub-nanosecond accounting

Since we're not using this type of clock on arm64's 4.4 kernel vdso
functions. This commit's description calls attention for it to be
responsible for fixing kselftest flacking tests, we wouldn't get that
on 4.4 according to bellow:

stable-rc-linux-4.14.y
dbb236c1ceb6 arm64/vdso: Fix nsec handling for CLOCK_MONOTONIC_RAW
49eea433b326 arm64: Add support for CLOCK_MONOTONIC_RAW in clock_gettime() vDSO
82e88ff1ea94 hrtimer: Revert CLOCK_MONOTONIC_RAW support
9c808765e88e hrtimer: Add support for CLOCK_MONOTONIC_RAW

stable-rc-linux-4.16.y
dbb236c1ceb6 arm64/vdso: Fix nsec handling for CLOCK_MONOTONIC_RAW
49eea433b326 arm64: Add support for CLOCK_MONOTONIC_RAW in clock_gettime() vDSO
82e88ff1ea94 hrtimer: Revert CLOCK_MONOTONIC_RAW support
9c808765e88e hrtimer: Add support for CLOCK_MONOTONIC_RAW

stable-rc-linux-4.4.y
<none>

stable-rc-linux-4.9.y
99f66b5182a4 arm64/vdso: Fix nsec handling for CLOCK_MONOTONIC_RAW
49eea433b326 arm64: Add support for CLOCK_MONOTONIC_RAW in clock_gettime() vDSO
82e88ff1ea94 hrtimer: Revert CLOCK_MONOTONIC_RAW support
9c808765e88e hrtimer: Add support for CLOCK_MONOTONIC_RAW

Yet, the second fix was backported to all (including 4.4.y):

stable-rc-linux-4.14.y
3d88d56c5873 time: Fix CLOCK_MONOTONIC_RAW sub-nanosecond accounting
stable-rc-linux-4.16.y
3d88d56c5873 time: Fix CLOCK_MONOTONIC_RAW sub-nanosecond accounting
stable-rc-linux-4.4.y
7c8bd6e07430 time: Fix CLOCK_MONOTONIC_RAW sub-nanosecond accounting
stable-rc-linux-4.9.y
a53bfdda06ac time: Fix CLOCK_MONOTONIC_RAW sub-nanosecond accounting

Not sure you want to keep it in 4.4, thought it was worth mentioning it.

Cheers.

On 24 May 2018 at 22:34, Daniel Sangorrin
<daniel.sangorrin@toshiba.co.jp> wrote:
> Hello Rafael,
>
> The tests fcntl35 and fcntl35_64 should have go from FAIL to PASS.
> https://www.spinics.net/lists/stable/msg239475.html
>
> Looking at
> https://qa-reports.linaro.org/lkft/linux-stable-rc-4.4-oe/build/v4.4.132-93-g915a3d7cdea9/testrun/228569/suite/ltp-syscalls-tests/tests/
> I see that these two tests (and other important tests as well) are being SKIPPED.
>
> By the way, I see that select04 FAILS in your case. But in my setup, select04 was working fine (x86_64) in 4.4.132. I will confirm that it still works in 4.4.133
>
> Thanks,
> Daniel Sangorrin
>
>> -----Original Message-----
>> From: stable-owner@vger.kernel.org [mailto:stable-owner@vger.kernel.org] On
>> Behalf Of Rafael Tinoco
>> Sent: Friday, May 25, 2018 5:32 AM
>> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>> Cc: linux-kernel@vger.kernel.org; shuah@kernel.org; patches@kernelci.org;
>> lkft-triage@lists.linaro.org; ben.hutchings@codethink.co.uk;
>> stable@vger.kernel.org; akpm@linux-foundation.org;
>> torvalds@linux-foundation.org; linux@roeck-us.net
>> Subject: Re: [PATCH 4.4 00/92] 4.4.133-stable review
>>
>> > > kernel: 4.4.133-rc1
>> > > git repo:
>> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
>> > > git branch: linux-4.4.y
>> > > git commit: 915a3d7cdea9daa9e9fb6b855f10c1312e6910c4
>> > > git describe: v4.4.132-93-g915a3d7cdea9
>> > > Test details:
>> https://qa-reports.linaro.org/lkft/linux-stable-rc-4.4-oe/build/v4.4.132-93-g915a
>> 3d7cdea9
>> > >
>> > >
>> > > No regressions (compared to build v4.4.132-71-g180635995c36)
>> >
>> > It should have gotten better, as there was a fix in here for at least 2
>> > LTP tests that we previously were not passing.  I don't know why you all
>> > were not reporting that in the past, it took someone else randomly
>> > deciding to run LTP to report it to me...
>> >
>> > Why did an improvement in results not show up?
>>
>> Are you referring to the CLOCK_MONOTONIC_RAW fix for the arm64 vDSO ?
>> I think that CLOCK_MONOTONIC_RAW in VDSO wasn't backported to 4.4.y
>> (commit 49eea433b326 in mainline) so this "fix" is changing the
>> timekeeping sauce (that would fix MONOTONIC RAW) but not for 4.4.y in
>> ARM64. Needs review though :\
>
>
>