From: Pingfan Liu <kernelfans@gmail.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: Qian Cai <cai@lca.pw>, Andrew Morton <akpm@linux-foundation.org>,
Barret Rhoden <brho@google.com>,
Dave Hansen <dave.hansen@intel.com>,
Mike Rapoport <rppt@linux.ibm.com>,
Peter Zijlstra <peterz@infradead.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Ingo Molnar <mingo@elte.hu>, Oscar Salvador <osalvador@suse.de>,
Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH -next v2] mm/hotplug: fix a null-ptr-deref during NUMA boot
Date: Thu, 30 May 2019 21:01:16 +0800 [thread overview]
Message-ID: <CAFgQCTsJgVjB-Bf22tZOM2fzKEdd0W0vmMdnZE5FxEYfV0p4Mg@mail.gmail.com> (raw)
In-Reply-To: <20190528182132.GH1658@dhcp22.suse.cz>
On Wed, May 29, 2019 at 2:21 AM Michal Hocko <mhocko@kernel.org> wrote:
>
> On Thu 23-05-19 12:00:46, Pingfan Liu wrote:
> [...]
> > > Yes, but maybe it will pay great effort on it.
> > >
> > And as a first step, we can find a way to fix the bug reported by me
> > and the one reported by Barret
>
> Can we try http://lkml.kernel.org/r/20190513140448.GJ24036@dhcp22.suse.cz
> for starter?
If it turns out that the changing of for_each_online_node() will not
break functions in scheduler like task_numa_migrate(), I think it will
be a good starter. On the other hand, if it does, then I think it only
requires a slight adjustment of your patch to meet the aim.
Thanks,
Pingfan
> --
> Michal Hocko
> SUSE Labs
next prev parent reply other threads:[~2019-05-30 13:01 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-12 5:48 Qian Cai
2019-05-13 12:41 ` Michal Hocko
2019-05-13 13:43 ` Qian Cai
2019-05-13 14:04 ` Michal Hocko
2019-05-13 15:20 ` Qian Cai
2019-05-13 15:31 ` Michal Hocko
2019-05-22 7:12 ` Pingfan Liu
2019-05-22 11:16 ` Michal Hocko
2019-05-23 3:58 ` Pingfan Liu
2019-05-23 4:00 ` Pingfan Liu
2019-05-28 18:21 ` Michal Hocko
2019-05-30 13:01 ` Pingfan Liu [this message]
2019-05-28 18:20 ` Michal Hocko
2019-05-30 12:55 ` Pingfan Liu
2019-05-31 9:03 ` Michal Hocko
2019-06-03 4:17 ` Pingfan Liu
2019-06-21 13:17 ` Qian Cai
2019-06-21 13:55 ` Michal Hocko
2019-06-24 8:42 ` Pingfan Liu
2019-06-26 13:57 ` Michal Hocko
2019-06-27 3:11 ` Pingfan Liu
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