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From: Logan Gunthorpe <logang@deltatee.com>
To: Joerg Roedel <joro@8bytes.org>
Cc: linux-kernel@vger.kernel.org, linux-ntb@googlegroups.com,
	linux-pci@vger.kernel.org, iommu@lists.linux-foundation.org,
	linux-kselftest@vger.kernel.org, Jon Mason <jdmason@kudzu.us>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Allen Hubbe <allenbh@gmail.com>,
	Dave Jiang <dave.jiang@intel.com>,
	Serge Semin <fancer.lancer@gmail.com>,
	Eric Pilmore <epilmore@gigaio.com>,
	David Woodhouse <dwmw2@infradead.org>
Subject: Re: [PATCH 1/9] iommu/vt-d: Allow interrupts from the entire bus for aliased devices
Date: Fri, 1 Feb 2019 10:27:29 -0700	[thread overview]
Message-ID: <398e6a0a-9cbd-c218-e20e-ed91f74a653d@deltatee.com> (raw)
In-Reply-To: <20190201164401.GT32526@8bytes.org>



On 2019-02-01 9:44 a.m., Joerg Roedel wrote:
> On Thu, Jan 31, 2019 at 11:56:48AM -0700, Logan Gunthorpe wrote:
>> @@ -394,6 +402,10 @@ static int set_msi_sid(struct irte *irte, struct pci_dev *dev)
>>  		set_irte_sid(irte, SVT_VERIFY_BUS, SQ_ALL_16,
>>  			     PCI_DEVID(PCI_BUS_NUM(data.alias),
>>  				       dev->bus->number));
>> +	else if (data.count >= 2 && data.busmatch_count == data.count)
>> +		set_irte_sid(irte, SVT_VERIFY_BUS, SQ_ALL_16,
>> +			     PCI_DEVID(dev->bus->number,
>> +				       dev->bus->number));
> 
> The dev->bus->number argument for the devfn parameter of PCI_DEVID is
> not needed, right?

Oh, yes. I think you are right.

> Also, this requires at least a comment to document that special case.

I'll add a comment for v2.

Thanks for the review!

Logan

  reply	other threads:[~2019-02-01 17:27 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-31 18:56 [PATCH 0/9] Support using MSI interrupts in ntb_transport Logan Gunthorpe
2019-01-31 18:56 ` [PATCH 1/9] iommu/vt-d: Allow interrupts from the entire bus for aliased devices Logan Gunthorpe
2019-02-01 16:44   ` Joerg Roedel
2019-02-01 17:27     ` Logan Gunthorpe [this message]
2019-02-05 19:19       ` Jacob Pan
2019-02-05 20:40         ` Logan Gunthorpe
2019-02-05 23:58           ` Jacob Pan
2019-01-31 18:56 ` [PATCH 2/9] PCI/MSI: Support allocating virtual MSI interrupts Logan Gunthorpe
2019-01-31 22:39   ` Bjorn Helgaas
2019-01-31 22:52     ` Logan Gunthorpe
2019-02-01 19:23       ` Bjorn Helgaas
2019-01-31 18:56 ` [PATCH 3/9] PCI/switchtec: Add module parameter to request more interrupts Logan Gunthorpe
2019-01-31 18:56 ` [PATCH 4/9] NTB: Introduce functions to calculate multi-port resource index Logan Gunthorpe
2019-01-31 18:56 ` [PATCH 5/9] NTB: Rename ntb.c to support multiple source files in the module Logan Gunthorpe
2019-01-31 18:56 ` [PATCH 6/9] NTB: Introduce MSI library Logan Gunthorpe
2019-01-31 18:56 ` [PATCH 7/9] NTB: Introduce NTB MSI Test Client Logan Gunthorpe
2019-01-31 18:56 ` [PATCH 8/9] NTB: Add ntb_msi_test support to ntb_test Logan Gunthorpe
2019-01-31 18:56 ` [PATCH 9/9] NTB: Add MSI interrupt support to ntb_transport Logan Gunthorpe
2019-01-31 20:20 ` [PATCH 0/9] Support using MSI interrupts in ntb_transport Dave Jiang
2019-01-31 20:48   ` Logan Gunthorpe
2019-01-31 20:58     ` Dave Jiang
2019-01-31 22:39       ` Logan Gunthorpe
2019-01-31 22:46         ` Dave Jiang
2019-01-31 23:41           ` Logan Gunthorpe
2019-01-31 23:48             ` Dave Jiang
2019-01-31 23:52               ` Logan Gunthorpe

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