From: Mike Rapoport <rppt@kernel.org>
To: Ira Weiny <ira.weiny@intel.com>
Cc: Guenter Roeck <linux@roeck-us.net>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
Helge Deller <deller@gmx.de>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
"David S. Miller" <davem@davemloft.net>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Chris Zankel <chris@zankel.net>,
Max Filippov <jcmvbkbc@gmail.com>,
Dan Williams <dan.j.williams@intel.com>,
linux-snps-arc@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org,
linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org,
linux-xtensa@linux-xtensa.org, dri-devel@lists.freedesktop.org,
Christian Koenig <christian.koenig@amd.com>,
Al Viro <viro@zeniv.linux.org.uk>, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH] arch/{mips,sparc,microblaze,powerpc}: Don't enable pagefault/preempt twice
Date: Thu, 4 Jun 2020 09:37:45 +0300 [thread overview]
Message-ID: <20200604063745.GB202650@kernel.org> (raw)
In-Reply-To: <20200604062226.GA1740345@iweiny-DESK2.sc.intel.com>
On Wed, Jun 03, 2020 at 11:22:26PM -0700, Ira Weiny wrote:
> On Wed, Jun 03, 2020 at 04:44:17PM -0700, Guenter Roeck wrote:
>
> With linux-next on sparc I too see the spinlock issue; something like:
>
> ...
> Starting syslogd: BUG: spinlock recursion on CPU#0, S01syslogd/139
> lock: 0xf53ef350, .magic: dead4ead, .owner: S01syslogd/139, .owner_cpu: 0
> CPU: 0 PID: 139 Comm: S01syslogd Not tainted 5.7.0-next-20200603 #1
> [f0067d00 :
> do_raw_spin_lock+0xa8/0xd8 ]
> [f00d598c :
> copy_page_range+0x328/0x804 ]
> [f0025c34 :
> dup_mm+0x334/0x434 ]
> [f0027198 :
> copy_process+0x1248/0x12d4 ]
> [f00273b8 :
> _do_fork+0x54/0x30c ]
> [f00276e4 :
> do_fork+0x5c/0x6c ]
> [f000de44 :
> sparc_do_fork+0x18/0x38 ]
> [f000b7f4 :
> do_syscall+0x34/0x40 ]
> [5010cd4c :
> 0x5010cd4c ]
>
>
> I'm going to bisect between there and HEAD.
The sparc issue should be fixed by
https://lore.kernel.org/lkml/20200526173302.377-1-will@kernel.org
> Ira
--
Sincerely yours,
Mike.
next prev parent reply other threads:[~2020-06-04 6:37 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-07 14:59 [PATCH V3 00/15] Remove duplicated kmap code ira.weiny
2020-05-07 14:59 ` [PATCH V3 01/15] arch/kmap: Remove BUG_ON() ira.weiny
2020-05-07 14:59 ` [PATCH V3 02/15] arch/xtensa: Move kmap build bug out of the way ira.weiny
2020-05-07 14:59 ` [PATCH V3 03/15] arch/kmap: Remove redundant arch specific kmaps ira.weiny
2020-05-07 14:59 ` [PATCH V3 04/15] arch/kunmap: Remove duplicate kunmap implementations ira.weiny
2020-05-07 14:59 ` [PATCH V3 05/15] {x86,powerpc,microblaze}/kmap: Move preempt disable ira.weiny
2020-05-07 14:59 ` [PATCH V3 06/15] arch/kmap_atomic: Consolidate duplicate code ira.weiny
2020-05-07 14:59 ` [PATCH V3 07/15] arch/kunmap_atomic: " ira.weiny
2020-05-16 22:33 ` Guenter Roeck
2020-05-18 3:49 ` Ira Weiny
2020-05-18 4:29 ` Guenter Roeck
2020-05-18 18:11 ` Ira Weiny
2020-05-19 0:03 ` Ira Weiny
2020-05-19 2:50 ` Guenter Roeck
2020-05-19 16:29 ` Ira Weiny
2020-05-18 16:11 ` Guenter Roeck
2020-05-18 18:48 ` [PATCH] arch/{mips,sparc,microblaze,powerpc}: Don't enable pagefault/preempt twice ira.weiny
2020-05-19 16:54 ` Guenter Roeck
2020-05-19 18:40 ` Ira Weiny
2020-05-19 19:42 ` Guenter Roeck
2020-05-20 5:02 ` Ira Weiny
2020-05-20 5:13 ` Ira Weiny
2020-05-21 16:05 ` Guenter Roeck
2020-05-21 17:42 ` Ira Weiny
2020-05-21 22:27 ` Guenter Roeck
2020-05-21 22:36 ` Weiny, Ira
2020-06-03 20:57 ` Andrew Morton
2020-06-03 21:14 ` Ira Weiny
2020-06-03 23:44 ` Guenter Roeck
2020-06-04 6:18 ` Mike Rapoport
2020-06-04 6:43 ` Ira Weiny
2020-06-04 6:22 ` Ira Weiny
2020-06-04 6:37 ` Mike Rapoport [this message]
2020-06-04 6:44 ` Ira Weiny
2020-06-04 9:38 ` Guenter Roeck
2020-06-04 9:41 ` Mike Rapoport
2020-06-04 20:51 ` Ira Weiny
2020-05-21 15:14 ` Ira Weiny
2020-05-21 17:27 ` Al Viro
2020-05-21 22:20 ` Guenter Roeck
2020-05-21 22:46 ` Al Viro
2020-05-22 0:46 ` Al Viro
2020-05-22 1:11 ` Guenter Roeck
2020-05-22 1:29 ` Al Viro
2020-05-22 1:35 ` Al Viro
2020-05-22 2:28 ` Guenter Roeck
2020-05-07 14:59 ` [PATCH V3 08/15] arch/kmap: Ensure kmap_prot visibility ira.weiny
2020-05-07 14:59 ` [PATCH V3 09/15] arch/kmap: Don't hard code kmap_prot values ira.weiny
2020-05-07 14:59 ` [PATCH V3 10/15] arch/kmap: Define kmap_atomic_prot() for all arch's ira.weiny
2020-05-17 17:37 ` Guenter Roeck
2020-05-18 18:17 ` Ira Weiny
2020-05-07 14:59 ` [PATCH V3 11/15] drm: Remove drm specific kmap_atomic code ira.weiny
2020-05-07 15:00 ` [PATCH V3 12/15] kmap: Remove kmap_atomic_to_page() ira.weiny
2020-05-07 15:00 ` [PATCH V3 13/15] parisc/kmap: Remove duplicate kmap code ira.weiny
2020-05-07 20:52 ` Andrew Morton
2020-05-07 22:50 ` Ira Weiny
2020-05-07 15:00 ` [PATCH V3 14/15] sparc: Remove unnecessary includes ira.weiny
2020-05-07 15:00 ` [PATCH V3 15/15] kmap: Consolidate kmap_prot definitions ira.weiny
2020-05-07 20:53 ` Andrew Morton
2020-05-07 22:51 ` Ira Weiny
2020-05-07 22:52 ` [PATCH V3.1] " ira.weiny
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