From: Julien Grall <julien.grall@citrix.com>
To: Marc Zyngier <marc.zyngier@arm.com>,
Ian Campbell <ian.campbell@citrix.com>,
Pranavkumar Sawargaonkar <pranavkumar@linaro.org>
Cc: Jason Cooper <jason@lakedaemon.net>, <kvm@vger.kernel.org>,
Eric Auger <eric.auger@linaro.org>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
<linux-kernel@vger.kernel.org>, <kvmarm@lists.cs.columbia.edu>,
<linux-arm-kernel@lists.infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Jiang Liu <jiang.liu@linux.intel.com>,
Christoffer Dall <christoffer.dall@linaro.org>
Subject: Re: [PATCH v4 3/4] irqchip: GIC: Convert to EOImode == 1
Date: Fri, 11 Sep 2015 13:53:31 +0100 [thread overview]
Message-ID: <55F2CECB.10801@citrix.com> (raw)
In-Reply-To: <55F2B65E.9060303@arm.com>
On 11/09/15 12:09, Marc Zyngier wrote:
> On 11/09/15 11:59, Julien Grall wrote:
>>
>>
>> On 11/09/2015 11:54, Ian Campbell wrote:
>>> On Thu, 2015-09-10 at 17:23 +0100, Julien Grall wrote:
>>>> I applied the two patches on top of linus/master and I'm able to boot
>>>> correctly on X-gene. Thank you!
>>>
>>> Perhaps we should replicate this approach in Xen and get rid of
>>> PLATFORM_QUIRK_GIC_64K_STRIDE?
>>
>> I was thinking to do it. But, I wasn't sure if it was worth to get a
>> such "ugly" patch compare to the quirk.
>
> It is not a quirk. It is actually recommended in the SBSA spec. The
> patch is ugly because we can't do the right thing on the one platform
> that actually implemented ARM's own recommendation (we can't tell the
> bloody firmware to stop overriding our DT).
>
> I would otherwise have added a "arm,use-sbsa-aliasing" property (or
> something similar) instead of trying to guess things...
I will give a look to port this patch on Xen.
Regards,
--
Julien Grall
next prev parent reply other threads:[~2015-09-11 12:53 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-26 16:00 [PATCH v4 0/4] irqchip: GICv2/v3: Add support for irq_vcpu_affinity Marc Zyngier
2015-08-26 16:00 ` [PATCH v4 1/4] irqchip: GICv3: Convert to EOImode == 1 Marc Zyngier
2015-08-26 16:00 ` [PATCH v4 2/4] irqchip: GICv3: Don't deactivate interrupts forwarded to a guest Marc Zyngier
2015-08-26 16:00 ` [PATCH v4 3/4] irqchip: GIC: Convert to EOImode == 1 Marc Zyngier
2015-09-09 19:23 ` Julien Grall
2015-09-10 9:54 ` Marc Zyngier
2015-09-10 10:55 ` Marc Zyngier
2015-09-10 16:23 ` Julien Grall
2015-09-10 16:30 ` Marc Zyngier
2015-09-10 16:30 ` Julien Grall
2015-09-11 10:54 ` Ian Campbell
2015-09-11 10:59 ` Julien Grall
2015-09-11 11:09 ` Marc Zyngier
2015-09-11 12:53 ` Julien Grall [this message]
2015-08-26 16:00 ` [PATCH v4 4/4] irqchip: GIC: Don't deactivate interrupts forwarded to a guest Marc Zyngier
2015-08-27 13:03 ` [PATCH v4 0/4] irqchip: GICv2/v3: Add support for irq_vcpu_affinity Eric Auger
2015-08-27 14:18 ` Marc Zyngier
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