From: Yijing Wang <wangyijing0307@gmail.com>
To: Marc Zyngier <marc.zyngier@arm.com>,
Yijing Wang <wangyijing@huawei.com>,
Bjorn Helgaas <bhelgaas@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Jiang Liu <jiang.liu@linux.intel.com>,
Will Deacon <Will.Deacon@arm.com>,
Catalin Marinas <Catalin.Marinas@arm.com>
Subject: Re: Removal of bus->msi assignment breaks MSI with stacked domains
Date: Fri, 21 Nov 2014 19:57:01 +0800 [thread overview]
Message-ID: <546F288D.2040705@gmail.com> (raw)
In-Reply-To: <546F0FB6.3050404@arm.com>
在 2014/11/21 18:11, Marc Zyngier 写道:
> On 21/11/14 01:22, Yijing Wang wrote:
>> On 2014/11/21 0:31, Marc Zyngier wrote:
>>> Bjorn, Yijing,
>>>
>>> I've just realized that patch c167caf8d174 (PCI/MSI: Remove useless
>>> bus->msi assignment) completely breaks MSI on arm64 when using the new
>>> MSI stacked domain:
>> Sorry, this is my first part to refactor MSI related code, now
>> how to get pci msi_controller depends arch functions(pcibios_msi_controller() or
>> arch_setup_msi_irq()), we are working on generic pci_host_bridge, after that,
>> we could eventually eliminate MSI arch functions and find pci dev 's msi controller
>> by pci_host_bridge->get_msi_controller().
>>
>> Marc, could you tell me what pci host driver in your test platform ?
> I'm using pci-host-generic (with a couple of patches to help it fit the
> new "generic pci" infrastructure).
>
> This lives at:
> git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git
> irq/arm64-pci
Thanks, I would have a look at it.
>
> Thanks,
>
> M.
WARNING: multiple messages have this Message-ID (diff)
From: wangyijing0307@gmail.com (Yijing Wang)
To: linux-arm-kernel@lists.infradead.org
Subject: Removal of bus->msi assignment breaks MSI with stacked domains
Date: Fri, 21 Nov 2014 19:57:01 +0800 [thread overview]
Message-ID: <546F288D.2040705@gmail.com> (raw)
In-Reply-To: <546F0FB6.3050404@arm.com>
? 2014/11/21 18:11, Marc Zyngier ??:
> On 21/11/14 01:22, Yijing Wang wrote:
>> On 2014/11/21 0:31, Marc Zyngier wrote:
>>> Bjorn, Yijing,
>>>
>>> I've just realized that patch c167caf8d174 (PCI/MSI: Remove useless
>>> bus->msi assignment) completely breaks MSI on arm64 when using the new
>>> MSI stacked domain:
>> Sorry, this is my first part to refactor MSI related code, now
>> how to get pci msi_controller depends arch functions(pcibios_msi_controller() or
>> arch_setup_msi_irq()), we are working on generic pci_host_bridge, after that,
>> we could eventually eliminate MSI arch functions and find pci dev 's msi controller
>> by pci_host_bridge->get_msi_controller().
>>
>> Marc, could you tell me what pci host driver in your test platform ?
> I'm using pci-host-generic (with a couple of patches to help it fit the
> new "generic pci" infrastructure).
>
> This lives at:
> git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git
> irq/arm64-pci
Thanks, I would have a look at it.
>
> Thanks,
>
> M.
next prev parent reply other threads:[~2014-11-21 11:57 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-20 16:31 Removal of bus->msi assignment breaks MSI with stacked domains Marc Zyngier
2014-11-20 16:31 ` Marc Zyngier
2014-11-20 21:53 ` Bjorn Helgaas
2014-11-20 21:53 ` Bjorn Helgaas
2014-11-20 23:10 ` Thomas Gleixner
2014-11-20 23:10 ` Thomas Gleixner
2014-11-20 23:30 ` Bjorn Helgaas
2014-11-20 23:30 ` Bjorn Helgaas
2014-11-21 9:33 ` Marc Zyngier
2014-11-21 9:33 ` Marc Zyngier
2014-11-21 1:54 ` Yijing Wang
2014-11-21 1:54 ` Yijing Wang
2014-11-21 2:25 ` Jiang Liu
2014-11-21 2:25 ` Jiang Liu
2014-11-21 3:46 ` Yijing Wang
2014-11-21 3:46 ` Yijing Wang
2014-11-21 10:00 ` Marc Zyngier
2014-11-21 10:00 ` Marc Zyngier
2014-11-21 17:31 ` Bjorn Helgaas
2014-11-21 17:31 ` Bjorn Helgaas
2014-11-22 4:13 ` Yijing Wang
2014-11-22 4:13 ` Yijing Wang
2014-11-21 1:22 ` Yijing Wang
2014-11-21 1:22 ` Yijing Wang
2014-11-21 1:46 ` Thomas Gleixner
2014-11-21 1:46 ` Thomas Gleixner
2014-11-21 2:03 ` Jiang Liu
2014-11-21 2:03 ` Jiang Liu
2014-11-21 2:12 ` Yijing Wang
2014-11-21 2:12 ` Yijing Wang
2014-11-21 2:05 ` Yijing Wang
2014-11-21 2:05 ` Yijing Wang
2014-11-21 8:46 ` Lucas Stach
2014-11-21 8:46 ` Lucas Stach
2014-11-21 10:29 ` Marc Zyngier
2014-11-21 10:29 ` Marc Zyngier
2014-11-21 10:49 ` Thomas Gleixner
2014-11-21 10:49 ` Thomas Gleixner
2014-11-21 11:30 ` Marc Zyngier
2014-11-21 11:30 ` Marc Zyngier
2014-11-21 12:04 ` Yijing Wang
2014-11-21 12:04 ` Yijing Wang
2014-11-21 10:11 ` Marc Zyngier
2014-11-21 10:11 ` Marc Zyngier
2014-11-21 11:57 ` Yijing Wang [this message]
2014-11-21 11:57 ` Yijing Wang
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