From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grygorii Strashko 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 16:28:50 -0500 Message-ID: <3aaebda9-a956-55d6-0b04-f84daa6e4866@ti.com> References: <4277080d-fbd1-282c-164d-c07796260c36@ti.com> <20180829140817.7pr5g2aonbp55fjr@linutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: "linux-rt-users@vger.kernel.org" , Mike Galbraith , LKML To: Sebastian Andrzej Siewior , Steven Rostedt Return-path: In-Reply-To: <20180829140817.7pr5g2aonbp55fjr@linutronix.de> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-rt-users.vger.kernel.org On 08/29/2018 09:08 AM, Sebastian Andrzej Siewior wrote: > On 2018-08-28 18:28:42 [-0500], Grygorii Strashko wrote: [...] >> [ 0.912275] [] alloc_pages_current+0xcc/0xe0 >> [ 0.912287] [] its_allocate_pending_table+0x60/0xa0 >> [ 0.912295] [] its_cpu_init+0x2a0/0x380 >> [ 0.912303] [] gic_cpu_init.part.6+0x15c/0x170 >> [ 0.912311] [] 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. -- regards, -grygorii