From: Steven Rostedt <rostedt@goodmis.org>
To: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
"linux-rt-users@vger.kernel.org" <linux-rt-users@vger.kernel.org>,
Mike Galbraith <efault@gmx.de>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [4.14.66-rt40] [report][cpuhotplug] BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:974
Date: Wed, 29 Aug 2018 21:57:01 -0400 [thread overview]
Message-ID: <20180829215701.5833e815@vmware.local.home> (raw)
In-Reply-To: <3aaebda9-a956-55d6-0b04-f84daa6e4866@ti.com>
On Wed, 29 Aug 2018 16:28:50 -0500
Grygorii Strashko <grygorii.strashko@ti.com> wrote:
> On 08/29/2018 09:08 AM, Sebastian Andrzej Siewior wrote:
> > On 2018-08-28 18:28:42 [-0500], Grygorii Strashko wrote:
>
> [...]
>
> >> [ 0.912275] [<ffff0000082023cc>] alloc_pages_current+0xcc/0xe0
> >> [ 0.912287] [<ffff00000846bb00>] its_allocate_pending_table+0x60/0xa0
> >> [ 0.912295] [<ffff00000846e5d8>] its_cpu_init+0x2a0/0x380
> >> [ 0.912303] [<ffff00000846b484>] gic_cpu_init.part.6+0x15c/0x170
> >> [ 0.912311] [<ffff00000846b4ac>] gic_starting_cpu+0x14/0x20
> >
> > This is fixed by
> > https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/tree/patches/irqchip-gic-v3-its-Make-its_lock-a-raw_spin_lock_t.patch?h=linux-4.18.y-rt-patches
> [1]
> > https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/tree/patches/irqchip-gic-v3-its-Move-ITS-pend_page-allocation-int.patch?h=linux-4.18.y-rt-patches
> [2]
> >
> > in the v4.18 tree. The first patch was merged upstream. The second will
> > be replaced by the patches Marc Zyngier proposed in
> > https://lkml.kernel.org/r/3302f069-8f4e-8d97-5166-0dec01b43c4c@arm.com
> >
> > I plan to test + replace those for the next v4.18 release.
>
> Thank you. Are there any plans to back port them for 4.14-rt?
> Patch [1] need to be reworked a bit, [2] - I was able to cherry-pick from 4.18-rt.
>
Next week I plan on looking into the patches that need to be
backported. There's quite a lot of them.
-- Steve
next prev parent reply other threads:[~2018-08-30 1:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-28 23:28 [4.14.66-rt40] [report][cpuhotplug] BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:974 Grygorii Strashko
2018-08-29 14:08 ` Sebastian Andrzej Siewior
2018-08-29 21:28 ` Grygorii Strashko
2018-08-30 1:57 ` Steven Rostedt [this message]
2018-08-30 9:14 ` Sebastian Andrzej Siewior
2018-08-31 19:19 ` Grygorii Strashko
2018-08-31 19:30 ` Sebastian Andrzej Siewior
2018-08-31 19:42 ` Grygorii Strashko
2018-09-06 7:39 ` Sebastian Andrzej Siewior
2018-08-31 19:20 ` [4.14.66-rt TEST PATCH 1/3] irqchip/gic-v3-its: Make its_lock a raw_spin_lock_t Grygorii Strashko
2018-08-31 19:20 ` [4.14.66-rt TEST PATCH 2/3] irqchip/gic-v3-its: Move ITS' ->pend_page allocation into an early CPU up hook Grygorii Strashko
2018-08-31 19:20 ` [4.14.66-rt TEST PATCH 3/3] irqchip/gic-v3-its: Move pending table allocation to init time Grygorii Strashko
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