From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] irqchip: gic: Don't complain in gic_get_cpumask() if UP system
Date: Wed, 17 Jul 2013 15:36:40 -0700 [thread overview]
Message-ID: <51E71C78.6080604@codeaurora.org> (raw)
In-Reply-To: <alpine.LFD.2.03.1307171830170.14924@syhkavp.arg>
On 07/17/13 15:34, Nicolas Pitre wrote:
> On Wed, 17 Jul 2013, Stephen Boyd wrote:
>
>> On 07/12/13 05:10, Stephen Boyd wrote:
>>> On 07/12, Javi Merino wrote:
>>>> I agree, we should drop the check. It's annoying in uniprocessors and
>>>> unlikely to be found in the real world unless your gic entry in the dt
>>>> is wrong.
> And that's a likely outcome in the real world.
>
>>> Ok. How about this?
>> Any comments?
> What about this instead:
Unfortunately arm64 doesn't have SMP_ON_UP. It sounds like you preferred
the first patch using num_possible_cpus()
>
> diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
> index 19ceaa60e0..86d21bc6cb 100644
> --- a/drivers/irqchip/irq-gic.c
> +++ b/drivers/irqchip/irq-gic.c
> @@ -368,7 +368,7 @@ static u8 gic_get_cpumask(struct gic_chip_data *gic)
> break;
> }
>
> - if (!mask)
> + if (is_smp() && !mask)
> pr_crit("GIC CPU mask not found - kernel will fail to boot.\n");
>
> return mask;
>
>
> Nicolas
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by The Linux Foundation
next prev parent reply other threads:[~2013-07-17 22:36 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-05 23:39 [PATCH] irqchip: gic: Don't complain in gic_get_cpumask() if UP system Stephen Boyd
2013-07-12 11:13 ` Javi Merino
2013-07-12 12:10 ` Stephen Boyd
2013-07-17 21:53 ` Stephen Boyd
2013-07-17 22:34 ` Nicolas Pitre
2013-07-17 22:36 ` Stephen Boyd [this message]
2013-07-17 22:53 ` Nicolas Pitre
2013-07-17 23:06 ` Stephen Boyd
2013-08-22 18:43 ` Stephen Boyd
2013-08-22 18:59 ` Nicolas Pitre
2013-08-23 4:35 ` Stephen Boyd
2013-08-23 4:51 ` Nicolas Pitre
2013-08-23 9:15 ` Russell King - ARM Linux
2013-07-20 7:27 ` Bedia, Vaibhav
2013-07-23 17:01 ` Stephen Boyd
-- strict thread matches above, loose matches on Subject: below --
2015-01-31 0:43 Stephen Boyd
2015-01-31 7:09 ` Felipe Balbi
2015-02-12 3:51 ` Nishanth Menon
2015-02-01 21:25 ` Stefan Agner
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