linux-kernel - Re: Linux 3.19 - and merge window now open

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Message-ID: <CA+icZUWWDYLBp8zZSqkSJi8wZBPToCMYr8cDetShLn-wJfCdSQ@mail.gmail.com>
Date:	Mon, 9 Feb 2015 07:11:07 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Linux 3.19 - and merge window now open

Hi,

some personal notes on this release.

Several warnings and call-traces which I saw in Linux-next (upcoming
v3.20) turned out to be also issues in v3.19.

[1] aio: annotate aio_read_event_ring for sleep patterns

[2] tracing: Add condition check to RCU lockdep checks
[3] x86/tlb/trace: Do not trace on CPU that is offline

Some words to [1]:
Honestly people should reply with pointing to a fix if I give them my
precious life-time.
By accident I found the fix when gasping over the last changes to v3.19.

I could spent some more time on "how to test a linux-kernel?", but
there should come clear words from experienced maintainers and/or
"father of Linux".
Personally, I test with my kernel-config and want to have a quick
feedback if it's "good".
Thus I used to run LTP "lite" script on my "rc" and "-next" kernels.
In case of filesystems fio [4] helped me to trigger some bugs
(replaced for me xfstests).
I am not sure if Documentation directory contains hints especially in
the topic of "testing a Linux kernel".

It's interesting to see "kbuild test robot <fengguang.wu@...el.com>"
[5] as an author of patches :-).
IOW that beast helped to trigger a lot of "build" bugs - my big respect!

Nevertheless, I prefer to run any of my kernels on bare metal.

Hope this helps.

Regards,
- Sedat -

[1] http://marc.info/?t=141929396100001&r=1&w=2
[1] http://www.gossamer-threads.com/lists/linux/kernel/2077075?page=last
[1] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9c9ce763b114e608b5cf3aa6cb69ad9f6e8b6adf

[2,3] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4e02370f64167a30ff7ba35ae5bc296f09b964d3
[2] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a05d59a5673339ef6936d6940cdf68172ce75b9f
[3] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6c8465a82a605bc692304bab42703017dcfff013

[4] http://git.kernel.org/cgit/linux/kernel/git/axboe/fio.git/

[5] http://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/
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