From: Sasha Levin <sashal@kernel.org>
To: bigeasy@linutronix.de
Cc: stable@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>,
Will Deacon <will.deacon@arm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Daniel Wagner <daniel.wagner@siemens.com>
Subject: Re: your mail
Date: Thu, 13 Dec 2018 09:39:46 -0500 [thread overview]
Message-ID: <20181213143946.GJ2746@sasha-vm> (raw)
In-Reply-To: <20181213143336.GI2746@sasha-vm>
On Thu, Dec 13, 2018 at 09:33:36AM -0500, Sasha Levin wrote:
>On Thu, Dec 13, 2018 at 03:09:15PM +0100, Sebastian Andrzej Siewior wrote:
>>Hi,
>>
>>this is a backport of commit 7aa54be297655 ("locking/qspinlock, x86:
>>Provide liveness guarantee") for the v4.9 stable tree.
>>For the v4.4 tree the ARCH_USE_QUEUED_SPINLOCKS option got disabled on
>>x86.
>>For v4.9 it has been decided to do a minimal backport of the final fix
>>(including all its dependencies).
>>With this backport I can't reproduce the issue in the latest v4.9-RT
>>tree. I was able to boot (and use) an arm64 box with these patches so it
>>is not broken in an abvious way.
>
>What about 4.14? I see that at least some of these patches are missing
>there.
Hrm, there was something really fishy with the headers on your original
mail...
--
Thanks,
Sasha
next prev parent reply other threads:[~2018-12-13 14:39 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-13 14:09 Sebastian Andrzej Siewior
2018-12-13 14:09 ` [PATCH STABLE v4.9 01/10] locking: Remove smp_read_barrier_depends() from queued_spin_lock_slowpath() Sebastian Andrzej Siewior
2018-12-13 14:09 ` [PATCH STABLE v4.9 02/10] locking/qspinlock: Ensure node is initialised before updating prev->next Sebastian Andrzej Siewior
2018-12-13 14:09 ` [PATCH STABLE v4.9 03/10] locking/qspinlock: Bound spinning on pending->locked transition in slowpath Sebastian Andrzej Siewior
2018-12-13 14:09 ` [PATCH STABLE v4.9 04/10] locking/qspinlock: Merge 'struct __qspinlock' into 'struct qspinlock' Sebastian Andrzej Siewior
2018-12-13 14:09 ` [PATCH STABLE v4.9 05/10] locking/qspinlock: Remove unbounded cmpxchg() loop from locking slowpath Sebastian Andrzej Siewior
2018-12-13 14:09 ` [PATCH STABLE v4.9 06/10] locking/qspinlock: Remove duplicate clear_pending() function from PV code Sebastian Andrzej Siewior
2018-12-13 14:09 ` [PATCH STABLE v4.9 07/10] locking/qspinlock: Kill cmpxchg() loop when claiming lock from head of queue Sebastian Andrzej Siewior
2018-12-13 14:09 ` [PATCH STABLE v4.9 08/10] locking/qspinlock: Re-order code Sebastian Andrzej Siewior
2018-12-13 14:09 ` [PATCH STABLE v4.9 09/10] locking/qspinlock/x86: Increase _Q_PENDING_LOOPS upper bound Sebastian Andrzej Siewior
2018-12-13 14:09 ` [PATCH STABLE v4.9 10/10] locking/qspinlock, x86: Provide liveness guarantee Sebastian Andrzej Siewior
2018-12-13 14:33 ` your mail Sasha Levin
2018-12-13 14:39 ` Sasha Levin [this message]
2018-12-13 15:13 ` Sebastian Andrzej Siewior
2018-12-13 14:53 ` Peter Zijlstra
2018-12-14 7:11 ` Greg KH
[not found] <CACaajQtCTW_PKA25q3-4o4XAV6sgZnyD+Skkw6mhUHpRBEgbjQ@mail.gmail.com>
2012-11-26 18:29 ` Greg KH
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