From: Michal Hocko <mhocko@kernel.org>
To: Vineet Gupta <vineet.gupta1@synopsys.com>
Cc: "linux-snps-arc@lists.infradead.org"
<linux-snps-arc@lists.infradead.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH 2/2] ARC: show_regs: fix lockdep splat for good
Date: Mon, 24 Dec 2018 20:10:04 +0100 [thread overview]
Message-ID: <20181224191004.GE16738@dhcp22.suse.cz> (raw)
In-Reply-To: <8b3739f1-a7d5-7253-362a-3a1c707b0f6d@synopsys.com>
On Fri 21-12-18 09:55:34, Vineet Gupta wrote:
> On 12/21/18 5:04 AM, Michal Hocko wrote:
[...]
> > Yes, the fix might be more involved but I would much rather prefer a
> > correct code which builds on solid assumptions.
>
> Right so the first step is reverting the disabled semantics for ARC and do some
> heavy testing to make sure any fallouts are addressed etc. And if that works, then
> propagate this change to core itself. Low risk strategy IMO - agree ?
Yeah, I would simply remove the preempt_disable and see what falls out.
smp_processor_id could be converted to the raw version etc...
--
Michal Hocko
SUSE Labs
prev parent reply other threads:[~2018-12-24 19:10 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-18 18:53 [PATCH 0/2] ARC show_regs fixes Vineet Gupta
2018-12-18 18:53 ` [PATCH 1/2] ARC: show_regs: avoid page allocator Vineet Gupta
2018-12-19 17:04 ` Eugeniy Paltsev
2018-12-19 17:36 ` Vineet Gupta
2018-12-20 1:16 ` Vineet Gupta
2018-12-20 13:30 ` Tetsuo Handa
2018-12-20 18:36 ` Vineet Gupta
2018-12-20 18:43 ` Vineet Gupta
2018-12-19 20:46 ` William Kucharski
2018-12-19 21:36 ` Vineet Gupta
2018-12-20 12:57 ` Michal Hocko
2018-12-20 18:38 ` Vineet Gupta
2018-12-18 18:53 ` [PATCH 2/2] ARC: show_regs: fix lockdep splat for good Vineet Gupta
2018-12-20 13:04 ` Michal Hocko
2018-12-20 18:45 ` Vineet Gupta
2018-12-21 13:04 ` Michal Hocko
2018-12-21 13:27 ` Michal Hocko
2018-12-21 17:55 ` Vineet Gupta
2018-12-21 17:55 ` Vineet Gupta
2018-12-24 19:10 ` Michal Hocko [this message]
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