From: "Stankiewicz, Piotr" <piotr.stankiewicz@intel.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
Andrew Murray <amurray@thegoodpenguin.co.uk>,
Logan Gunthorpe <logang@deltatee.com>,
"Shevchenko, Andriy" <andriy.shevchenko@intel.com>,
Zenghui Yu <yuzenghui@huawei.com>,
Kelsey Skunberg <skunberg.kelsey@gmail.com>,
"Wysocki, Rafael J" <rafael.j.wysocki@intel.com>,
Krzysztof Wilczynski <kw@linux.com>,
Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@linux.intel.com>,
Heiner Kallweit <hkallweit1@gmail.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Yicong Yang <yangyicong@hisilicon.com>,
Denis Efremov <efremov@linux.com>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH v3 02/15] PCI: Add macro for message signalled interrupt types
Date: Tue, 16 Jun 2020 07:39:15 +0000 [thread overview]
Message-ID: <CY4PR11MB152819DC4268232B2FBA8768F99D0@CY4PR11MB1528.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20200610070828.GA29678@infradead.org>
> -----Original Message-----
> From: Christoph Hellwig <hch@infradead.org>
> Sent: Wednesday, June 10, 2020 9:08 AM
>
> On Tue, Jun 09, 2020 at 06:22:40PM +0200, Piotr Stankiewicz wrote:
> > There are several places in the kernel which check/ask for MSI or
> > MSI-X interrupts. It would make sense to have a macro which defines
> > all types of message signalled interrupts, to use in such situations.
> > Add PCI_IRQ_MSI_TYPES, for this purpose.
>
> To state my objection voices in patch 3 here again:
>
> I think this is a very bad idea. Everyone knows what MSI and MSI-X mean and
> that directly maps to specification. The new IMS interrupt scheme from the Intel
> SIOV spec for example is a message signalled interrupt type as well and should
> not be picked up automatically.
>
> If we want to change anything in this area we should probably remove
> PCI_IRQ_ALL_TYPES instead..
Thanks, I've resent only the first patch as v4 of the chain, and dropped the rest.
next prev parent reply other threads:[~2020-06-16 7:39 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200603114212.12525-1-piotr.stankiewicz@intel.com>
2020-06-03 11:44 ` [PATCH v2 01/15] PCI/MSI: Forward MSI-X vector enable error code in pci_alloc_irq_vectors_affinity() Piotr Stankiewicz
2020-06-03 15:48 ` Logan Gunthorpe
2020-06-03 16:04 ` Stankiewicz, Piotr
2020-06-03 16:22 ` Logan Gunthorpe
2020-06-09 9:27 ` Stankiewicz, Piotr
2020-06-03 11:46 ` [PATCH v2 03/15] PCI: Use PCI_IRQ_MSI_TYPES where appropriate Piotr Stankiewicz
2020-06-03 11:47 ` [PATCH v2 04/15] ahci: " Piotr Stankiewicz
2020-06-03 11:47 ` [PATCH v2 05/15] crypto: inside-secure - " Piotr Stankiewicz
2020-06-03 13:30 ` kernel test robot
2020-06-03 11:47 ` [PATCH v2 06/15] dmaengine: dw-edma: " Piotr Stankiewicz
2020-06-03 11:54 ` Gustavo Pimentel
2020-06-03 11:47 ` [PATCH v2 07/15] drm/amdgpu: " Piotr Stankiewicz
2020-06-03 13:43 ` Alex Deucher
2020-06-03 11:48 ` [PATCH v2 08/15] IB/qib: " Piotr Stankiewicz
2020-06-03 11:48 ` [PATCH v2 09/15] media: ddbridge: " Piotr Stankiewicz
2020-06-03 11:48 ` [PATCH v2 10/15] vmw_vmci: Use PCI_IRQ_ALL_TYPES " Piotr Stankiewicz
2020-06-03 11:49 ` [PATCH v2 11/15] mmc: sdhci: Use PCI_IRQ_MSI_TYPES " Piotr Stankiewicz
2020-06-03 11:49 ` [PATCH v2 12/15] amd-xgbe: " Piotr Stankiewicz
2020-06-03 11:49 ` [PATCH v2 13/15] aquantia: atlantic: Use PCI_IRQ_ALL_TYPES " Piotr Stankiewicz
2020-06-03 11:49 ` [PATCH v2 14/15] net: hns3: Use PCI_IRQ_MSI_TYPES " Piotr Stankiewicz
2020-06-03 11:50 ` [PATCH v2 15/15] scsi: Use PCI_IRQ_MSI_TYPES and PCI_IRQ_ALL_TYPES " Piotr Stankiewicz
2020-06-09 9:11 ` [PATCH v3 00/15] Forward MSI-X vector enable error code in pci_alloc_irq_vectors_affinity() Piotr Stankiewicz
2020-06-09 9:14 ` [PATCH v3 01/15] PCI/MSI: " Piotr Stankiewicz
2020-06-09 15:49 ` Logan Gunthorpe
2020-06-09 15:49 ` Christoph Hellwig
2020-06-09 9:16 ` [PATCH v3 03/15] PCI: Use PCI_IRQ_MSI_TYPES where appropriate Piotr Stankiewicz
2020-06-09 15:51 ` Christoph Hellwig
2020-06-09 16:31 ` Stankiewicz, Piotr
2020-06-09 16:35 ` Logan Gunthorpe
2020-06-09 9:17 ` [PATCH v3 04/15] ahci: " Piotr Stankiewicz
2020-06-09 9:17 ` [PATCH v3 05/15] crypto: inside-secure - " Piotr Stankiewicz
2020-06-09 9:17 ` [PATCH v3 06/15] dmaengine: dw-edma: " Piotr Stankiewicz
2020-06-09 10:01 ` Andy Shevchenko
2020-06-09 9:18 ` [PATCH v3 07/15] drm/amdgpu: " Piotr Stankiewicz
2020-06-09 20:23 ` Alex Deucher
2020-06-16 7:49 ` Stankiewicz, Piotr
2020-06-16 8:42 ` [PATCH] drm/amdgpu: Simplify IRQ vector request logic Piotr Stankiewicz
2020-06-09 9:18 ` [PATCH v3 08/15] IB/qib: Use PCI_IRQ_MSI_TYPES where appropriate Piotr Stankiewicz
2020-06-11 13:17 ` Ruhl, Michael J
2020-06-09 9:18 ` [PATCH v3 09/15] media: ddbridge: " Piotr Stankiewicz
2020-06-09 9:19 ` [PATCH v3 10/15] vmw_vmci: Use PCI_IRQ_ALL_TYPES " Piotr Stankiewicz
2020-06-09 9:19 ` [PATCH v3 11/15] mmc: sdhci: Use PCI_IRQ_MSI_TYPES " Piotr Stankiewicz
2020-06-09 9:19 ` [PATCH v3 12/15] amd-xgbe: " Piotr Stankiewicz
2020-06-09 9:19 ` [PATCH v3 13/15] aquantia: atlantic: Use PCI_IRQ_ALL_TYPES " Piotr Stankiewicz
2020-06-09 9:20 ` [PATCH v3 14/15] net: hns3: Use PCI_IRQ_MSI_TYPES " Piotr Stankiewicz
2020-06-09 9:20 ` [PATCH v3 15/15] scsi: Use PCI_IRQ_MSI_TYPES and PCI_IRQ_ALL_TYPES " Piotr Stankiewicz
2020-06-09 16:22 ` [PATCH v3 02/15] PCI: Add macro for message signalled interrupt types Piotr Stankiewicz
2020-06-10 7:08 ` Christoph Hellwig
2020-06-16 7:39 ` Stankiewicz, Piotr [this message]
2020-06-16 7:33 ` [PATCH v4] PCI/MSI: Forward MSI-X vector enable error code in pci_alloc_irq_vectors_affinity() Piotr Stankiewicz
2020-06-30 22:04 ` Bjorn Helgaas
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