From: Michal Hocko <mhocko@suse.cz>
To: "Krzysztof Kozłowski" <k.kozlowski.k@gmail.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Christoph Lameter <cl@linux.com>,
Jesper Dangaard Brouer <brouer@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: mmotm: mm-slub-optimize-alloc-free-fastpath-by-removing-preemption-on-off.patch is causing preemptible splats
Date: Wed, 21 Jan 2015 15:11:38 +0100 [thread overview]
Message-ID: <20150121141138.GC23700@dhcp22.suse.cz> (raw)
In-Reply-To: <CAJKOXPdgSsd8cr7ctKOGCwFTRMxcq71k7Pb5mQgYy--tGW8+_w@mail.gmail.com>
On Wed 21-01-15 15:06:03, Krzysztof KozA?owski wrote:
[...]
> Same here :) [1] . So actually only ARM seems affected (both armv7 and
> armv8) because it is the only one which uses smp_processor_id() in
> my_cpu_offset.
This was on x86_64 with CONFIG_DEBUG_PREEMPT so it is not only ARM
specific.
> [1] https://lkml.org/lkml/2015/1/20/162
Sorry, have missed this post.
--
Michal Hocko
SUSE Labs
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next prev parent reply other threads:[~2015-01-21 14:11 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-21 13:23 mmotm: mm-slub-optimize-alloc-free-fastpath-by-removing-preemption-on-off.patch is causing preemptible splats Michal Hocko
2015-01-21 14:06 ` Krzysztof Kozłowski
2015-01-21 14:11 ` Michal Hocko [this message]
2015-01-21 22:21 ` Andrew Morton
2015-01-22 1:51 ` Joonsoo Kim
2015-01-22 3:34 ` Andrew Morton
2015-01-22 5:14 ` Stephen Rothwell
2015-01-22 5:48 ` Andrew Morton
2015-01-22 16:14 ` Christoph Lameter
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