From: Logan Gunthorpe <logang@deltatee.com>
To: John Hubbard <jhubbard@nvidia.com>,
linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org,
linux-block@vger.kernel.org, linux-pci@vger.kernel.org,
linux-mm@kvack.org, iommu@lists.linux-foundation.org
Cc: "Stephen Bates" <sbates@raithlin.com>,
"Christoph Hellwig" <hch@lst.de>,
"Dan Williams" <dan.j.williams@intel.com>,
"Jason Gunthorpe" <jgg@ziepe.ca>,
"Christian König" <christian.koenig@amd.com>,
"Don Dutile" <ddutile@redhat.com>,
"Matthew Wilcox" <willy@infradead.org>,
"Daniel Vetter" <daniel.vetter@ffwll.ch>,
"Jakowski Andrzej" <andrzej.jakowski@intel.com>,
"Minturn Dave B" <dave.b.minturn@intel.com>,
"Jason Ekstrand" <jason@jlekstrand.net>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"Xiong Jianxin" <jianxin.xiong@intel.com>,
"Bjorn Helgaas" <helgaas@kernel.org>,
"Ira Weiny" <ira.weiny@intel.com>,
"Robin Murphy" <robin.murphy@arm.com>
Subject: Re: [PATCH 07/16] PCI/P2PDMA: Make pci_p2pdma_map_type() non-static
Date: Mon, 3 May 2021 10:39:53 -0600 [thread overview]
Message-ID: <31b17b7d-f6de-c205-d1a3-e570928605f4@deltatee.com> (raw)
In-Reply-To: <c2712ed0-6d44-014a-f669-dfda63d1c861@nvidia.com>
On 2021-05-02 4:44 p.m., John Hubbard wrote:
> On 4/8/21 10:01 AM, Logan Gunthorpe wrote:
>> pci_p2pdma_map_type() will be needed by the dma-iommu map_sg
>> implementation because it will need to determine the mapping type
>> ahead of actually doing the mapping to create the actual iommu mapping.
>>
>> Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
>> ---
>> drivers/pci/p2pdma.c | 34 +++++++++++++++++++++++-----------
>> include/linux/pci-p2pdma.h | 15 +++++++++++++++
>> 2 files changed, 38 insertions(+), 11 deletions(-)
>>
>> diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
>> index bcb1a6d6119d..38c93f57a941 100644
>> --- a/drivers/pci/p2pdma.c
>> +++ b/drivers/pci/p2pdma.c
>> @@ -20,13 +20,6 @@
>> #include <linux/seq_buf.h>
>> #include <linux/xarray.h>
>>
>> -enum pci_p2pdma_map_type {
>> - PCI_P2PDMA_MAP_UNKNOWN = 0,
>> - PCI_P2PDMA_MAP_NOT_SUPPORTED,
>> - PCI_P2PDMA_MAP_BUS_ADDR,
>> - PCI_P2PDMA_MAP_THRU_HOST_BRIDGE,
>> -};
>> -
>> struct pci_p2pdma {
>> struct gen_pool *pool;
>> bool p2pmem_published;
>> @@ -822,13 +815,30 @@ void pci_p2pmem_publish(struct pci_dev *pdev, bool publish)
>> }
>> EXPORT_SYMBOL_GPL(pci_p2pmem_publish);
>>
>> -static enum pci_p2pdma_map_type pci_p2pdma_map_type(struct dev_pagemap *pgmap,
>> - struct device *dev)
>> +/**
>> + * pci_p2pdma_map_type - return the type of mapping that should be used for
>> + * a given device and pgmap
>> + * @pgmap: the pagemap of a page to determine the mapping type for
>> + * @dev: device that is mapping the page
>> + * @dma_attrs: the attributes passed to the dma_map operation --
>> + * this is so they can be checked to ensure P2PDMA pages were not
>> + * introduced into an incorrect interface (like dma_map_sg). *
>> + *
>> + * Returns one of:
>> + * PCI_P2PDMA_MAP_NOT_SUPPORTED - The mapping should not be done
>> + * PCI_P2PDMA_MAP_BUS_ADDR - The mapping should use the PCI bus address
>> + * PCI_P2PDMA_MAP_THRU_HOST_BRIDGE - The mapping should be done directly
>> + */
>> +enum pci_p2pdma_map_type pci_p2pdma_map_type(struct dev_pagemap *pgmap,
>> + struct device *dev, unsigned long dma_attrs)
>> {
>> struct pci_dev *provider = to_p2p_pgmap(pgmap)->provider;
>> enum pci_p2pdma_map_type ret;
>> struct pci_dev *client;
>>
>> + WARN_ONCE(!(dma_attrs & __DMA_ATTR_PCI_P2PDMA),
>> + "PCI P2PDMA pages were mapped with dma_map_sg!");
>
> This really ought to also return -EINVAL, assuming that my review suggestions
> about return types, in earlier patches, are acceptable.
That can't happen because, by convention, dma_map_sg() cannot return
-EINVAL. I think the best we can do is proceed normally and just warn
loudly.
Logan
WARNING: multiple messages have this Message-ID (diff)
From: Logan Gunthorpe <logang@deltatee.com>
To: John Hubbard <jhubbard@nvidia.com>,
linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org,
linux-block@vger.kernel.org, linux-pci@vger.kernel.org,
linux-mm@kvack.org, iommu@lists.linux-foundation.org
Cc: "Stephen Bates" <sbates@raithlin.com>,
"Christoph Hellwig" <hch@lst.de>,
"Dan Williams" <dan.j.williams@intel.com>,
"Jason Gunthorpe" <jgg@ziepe.ca>,
"Christian König" <christian.koenig@amd.com>,
"Don Dutile" <ddutile@redhat.com>,
"Matthew Wilcox" <willy@infradead.org>,
"Daniel Vetter" <daniel.vetter@ffwll.ch>,
"Jakowski Andrzej" <andrzej.jakowski@intel.com>,
"Minturn Dave B" <dave.b.minturn@intel.com>,
"Jason Ekstrand" <jason@jlekstrand.net>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"Xiong Jianxin" <jianxin.xiong@intel.com>,
"Bjorn Helgaas" <helgaas@kernel.org>,
"Ira Weiny" <ira.weiny@intel.com>,
"Robin Murphy" <robin.murphy@arm.com>
Subject: Re: [PATCH 07/16] PCI/P2PDMA: Make pci_p2pdma_map_type() non-static
Date: Mon, 3 May 2021 10:39:53 -0600 [thread overview]
Message-ID: <31b17b7d-f6de-c205-d1a3-e570928605f4@deltatee.com> (raw)
In-Reply-To: <c2712ed0-6d44-014a-f669-dfda63d1c861@nvidia.com>
On 2021-05-02 4:44 p.m., John Hubbard wrote:
> On 4/8/21 10:01 AM, Logan Gunthorpe wrote:
>> pci_p2pdma_map_type() will be needed by the dma-iommu map_sg
>> implementation because it will need to determine the mapping type
>> ahead of actually doing the mapping to create the actual iommu mapping.
>>
>> Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
>> ---
>> drivers/pci/p2pdma.c | 34 +++++++++++++++++++++++-----------
>> include/linux/pci-p2pdma.h | 15 +++++++++++++++
>> 2 files changed, 38 insertions(+), 11 deletions(-)
>>
>> diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
>> index bcb1a6d6119d..38c93f57a941 100644
>> --- a/drivers/pci/p2pdma.c
>> +++ b/drivers/pci/p2pdma.c
>> @@ -20,13 +20,6 @@
>> #include <linux/seq_buf.h>
>> #include <linux/xarray.h>
>>
>> -enum pci_p2pdma_map_type {
>> - PCI_P2PDMA_MAP_UNKNOWN = 0,
>> - PCI_P2PDMA_MAP_NOT_SUPPORTED,
>> - PCI_P2PDMA_MAP_BUS_ADDR,
>> - PCI_P2PDMA_MAP_THRU_HOST_BRIDGE,
>> -};
>> -
>> struct pci_p2pdma {
>> struct gen_pool *pool;
>> bool p2pmem_published;
>> @@ -822,13 +815,30 @@ void pci_p2pmem_publish(struct pci_dev *pdev, bool publish)
>> }
>> EXPORT_SYMBOL_GPL(pci_p2pmem_publish);
>>
>> -static enum pci_p2pdma_map_type pci_p2pdma_map_type(struct dev_pagemap *pgmap,
>> - struct device *dev)
>> +/**
>> + * pci_p2pdma_map_type - return the type of mapping that should be used for
>> + * a given device and pgmap
>> + * @pgmap: the pagemap of a page to determine the mapping type for
>> + * @dev: device that is mapping the page
>> + * @dma_attrs: the attributes passed to the dma_map operation --
>> + * this is so they can be checked to ensure P2PDMA pages were not
>> + * introduced into an incorrect interface (like dma_map_sg). *
>> + *
>> + * Returns one of:
>> + * PCI_P2PDMA_MAP_NOT_SUPPORTED - The mapping should not be done
>> + * PCI_P2PDMA_MAP_BUS_ADDR - The mapping should use the PCI bus address
>> + * PCI_P2PDMA_MAP_THRU_HOST_BRIDGE - The mapping should be done directly
>> + */
>> +enum pci_p2pdma_map_type pci_p2pdma_map_type(struct dev_pagemap *pgmap,
>> + struct device *dev, unsigned long dma_attrs)
>> {
>> struct pci_dev *provider = to_p2p_pgmap(pgmap)->provider;
>> enum pci_p2pdma_map_type ret;
>> struct pci_dev *client;
>>
>> + WARN_ONCE(!(dma_attrs & __DMA_ATTR_PCI_P2PDMA),
>> + "PCI P2PDMA pages were mapped with dma_map_sg!");
>
> This really ought to also return -EINVAL, assuming that my review suggestions
> about return types, in earlier patches, are acceptable.
That can't happen because, by convention, dma_map_sg() cannot return
-EINVAL. I think the best we can do is proceed normally and just warn
loudly.
Logan
_______________________________________________
Linux-nvme mailing list
Linux-nvme@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-nvme
WARNING: multiple messages have this Message-ID (diff)
From: Logan Gunthorpe <logang@deltatee.com>
To: John Hubbard <jhubbard@nvidia.com>,
linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org,
linux-block@vger.kernel.org, linux-pci@vger.kernel.org,
linux-mm@kvack.org, iommu@lists.linux-foundation.org
Cc: "Minturn Dave B" <dave.b.minturn@intel.com>,
"Ira Weiny" <ira.weiny@intel.com>,
"Daniel Vetter" <daniel.vetter@ffwll.ch>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"Robin Murphy" <robin.murphy@arm.com>,
"Matthew Wilcox" <willy@infradead.org>,
"Christian König" <christian.koenig@amd.com>,
"Jason Gunthorpe" <jgg@ziepe.ca>,
"Jason Ekstrand" <jason@jlekstrand.net>,
"Bjorn Helgaas" <helgaas@kernel.org>,
"Dan Williams" <dan.j.williams@intel.com>,
"Stephen Bates" <sbates@raithlin.com>,
"Jakowski Andrzej" <andrzej.jakowski@intel.com>,
"Christoph Hellwig" <hch@lst.de>,
"Xiong Jianxin" <jianxin.xiong@intel.com>
Subject: Re: [PATCH 07/16] PCI/P2PDMA: Make pci_p2pdma_map_type() non-static
Date: Mon, 3 May 2021 10:39:53 -0600 [thread overview]
Message-ID: <31b17b7d-f6de-c205-d1a3-e570928605f4@deltatee.com> (raw)
In-Reply-To: <c2712ed0-6d44-014a-f669-dfda63d1c861@nvidia.com>
On 2021-05-02 4:44 p.m., John Hubbard wrote:
> On 4/8/21 10:01 AM, Logan Gunthorpe wrote:
>> pci_p2pdma_map_type() will be needed by the dma-iommu map_sg
>> implementation because it will need to determine the mapping type
>> ahead of actually doing the mapping to create the actual iommu mapping.
>>
>> Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
>> ---
>> drivers/pci/p2pdma.c | 34 +++++++++++++++++++++++-----------
>> include/linux/pci-p2pdma.h | 15 +++++++++++++++
>> 2 files changed, 38 insertions(+), 11 deletions(-)
>>
>> diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
>> index bcb1a6d6119d..38c93f57a941 100644
>> --- a/drivers/pci/p2pdma.c
>> +++ b/drivers/pci/p2pdma.c
>> @@ -20,13 +20,6 @@
>> #include <linux/seq_buf.h>
>> #include <linux/xarray.h>
>>
>> -enum pci_p2pdma_map_type {
>> - PCI_P2PDMA_MAP_UNKNOWN = 0,
>> - PCI_P2PDMA_MAP_NOT_SUPPORTED,
>> - PCI_P2PDMA_MAP_BUS_ADDR,
>> - PCI_P2PDMA_MAP_THRU_HOST_BRIDGE,
>> -};
>> -
>> struct pci_p2pdma {
>> struct gen_pool *pool;
>> bool p2pmem_published;
>> @@ -822,13 +815,30 @@ void pci_p2pmem_publish(struct pci_dev *pdev, bool publish)
>> }
>> EXPORT_SYMBOL_GPL(pci_p2pmem_publish);
>>
>> -static enum pci_p2pdma_map_type pci_p2pdma_map_type(struct dev_pagemap *pgmap,
>> - struct device *dev)
>> +/**
>> + * pci_p2pdma_map_type - return the type of mapping that should be used for
>> + * a given device and pgmap
>> + * @pgmap: the pagemap of a page to determine the mapping type for
>> + * @dev: device that is mapping the page
>> + * @dma_attrs: the attributes passed to the dma_map operation --
>> + * this is so they can be checked to ensure P2PDMA pages were not
>> + * introduced into an incorrect interface (like dma_map_sg). *
>> + *
>> + * Returns one of:
>> + * PCI_P2PDMA_MAP_NOT_SUPPORTED - The mapping should not be done
>> + * PCI_P2PDMA_MAP_BUS_ADDR - The mapping should use the PCI bus address
>> + * PCI_P2PDMA_MAP_THRU_HOST_BRIDGE - The mapping should be done directly
>> + */
>> +enum pci_p2pdma_map_type pci_p2pdma_map_type(struct dev_pagemap *pgmap,
>> + struct device *dev, unsigned long dma_attrs)
>> {
>> struct pci_dev *provider = to_p2p_pgmap(pgmap)->provider;
>> enum pci_p2pdma_map_type ret;
>> struct pci_dev *client;
>>
>> + WARN_ONCE(!(dma_attrs & __DMA_ATTR_PCI_P2PDMA),
>> + "PCI P2PDMA pages were mapped with dma_map_sg!");
>
> This really ought to also return -EINVAL, assuming that my review suggestions
> about return types, in earlier patches, are acceptable.
That can't happen because, by convention, dma_map_sg() cannot return
-EINVAL. I think the best we can do is proceed normally and just warn
loudly.
Logan
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2021-05-03 16:42 UTC|newest]
Thread overview: 297+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-08 17:01 [PATCH 00/16] Add new DMA mapping operation for P2PDMA Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` [PATCH 01/16] PCI/P2PDMA: Pass gfp_mask flags to upstream_bridge_distance_warn() Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-05-02 3:58 ` John Hubbard
2021-05-02 3:58 ` John Hubbard
2021-05-02 3:58 ` John Hubbard
2021-05-03 15:57 ` Logan Gunthorpe
2021-05-03 15:57 ` Logan Gunthorpe
2021-05-03 15:57 ` Logan Gunthorpe
2021-05-03 18:17 ` John Hubbard
2021-05-03 18:17 ` John Hubbard
2021-05-03 18:17 ` John Hubbard
2021-05-03 18:20 ` Logan Gunthorpe
2021-05-03 18:20 ` Logan Gunthorpe
2021-05-03 18:20 ` Logan Gunthorpe
2021-05-03 18:23 ` John Hubbard
2021-05-03 18:23 ` John Hubbard
2021-05-03 18:23 ` John Hubbard
2021-05-03 18:24 ` Christoph Hellwig
2021-05-03 18:24 ` Christoph Hellwig
2021-05-03 18:24 ` Christoph Hellwig
2021-05-11 16:05 ` Don Dutile
2021-05-11 16:05 ` Don Dutile
2021-05-11 16:05 ` Don Dutile
2021-05-11 16:12 ` Logan Gunthorpe
2021-05-11 16:12 ` Logan Gunthorpe
2021-05-11 16:12 ` Logan Gunthorpe
2021-05-11 16:23 ` Don Dutile
2021-05-11 16:23 ` Don Dutile
2021-05-11 16:23 ` Don Dutile
2021-04-08 17:01 ` [PATCH 02/16] PCI/P2PDMA: Avoid pci_get_slot() which sleeps Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-05-02 5:35 ` John Hubbard
2021-05-02 5:35 ` John Hubbard
2021-05-02 5:35 ` John Hubbard
2021-05-03 16:08 ` Logan Gunthorpe
2021-05-03 16:08 ` Logan Gunthorpe
2021-05-03 16:08 ` Logan Gunthorpe
2021-05-03 18:20 ` John Hubbard
2021-05-03 18:20 ` John Hubbard
2021-05-03 18:20 ` John Hubbard
2021-05-03 18:25 ` Christoph Hellwig
2021-05-03 18:25 ` Christoph Hellwig
2021-05-03 18:25 ` Christoph Hellwig
2021-05-11 16:05 ` Don Dutile
2021-05-11 16:05 ` Don Dutile
2021-05-11 16:05 ` Don Dutile
2021-05-11 16:16 ` Logan Gunthorpe
2021-05-11 16:16 ` Logan Gunthorpe
2021-05-11 16:16 ` Logan Gunthorpe
2021-05-11 16:05 ` Don Dutile
2021-05-11 16:05 ` Don Dutile
2021-05-11 16:05 ` Don Dutile
2021-05-11 16:14 ` Logan Gunthorpe
2021-05-11 16:14 ` Logan Gunthorpe
2021-05-11 16:14 ` Logan Gunthorpe
2021-04-08 17:01 ` [PATCH 03/16] PCI/P2PDMA: Attempt to set map_type if it has not been set Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-05-02 19:58 ` John Hubbard
2021-05-02 19:58 ` John Hubbard
2021-05-02 19:58 ` John Hubbard
2021-05-03 16:17 ` Logan Gunthorpe
2021-05-03 16:17 ` Logan Gunthorpe
2021-05-03 16:17 ` Logan Gunthorpe
2021-05-03 18:22 ` John Hubbard
2021-05-03 18:22 ` John Hubbard
2021-05-03 18:22 ` John Hubbard
2021-05-03 18:35 ` Christoph Hellwig
2021-05-03 18:35 ` Christoph Hellwig
2021-05-03 18:35 ` Christoph Hellwig
2021-05-03 18:46 ` Logan Gunthorpe
2021-05-03 18:46 ` Logan Gunthorpe
2021-05-03 18:46 ` Logan Gunthorpe
2021-05-11 16:05 ` Don Dutile
2021-05-11 16:05 ` Don Dutile
2021-05-11 16:05 ` Don Dutile
2021-04-08 17:01 ` [PATCH 04/16] PCI/P2PDMA: Refactor pci_p2pdma_map_type() to take pagmap and device Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-05-02 20:41 ` John Hubbard
2021-05-02 20:41 ` John Hubbard
2021-05-02 20:41 ` John Hubbard
2021-05-03 16:30 ` Logan Gunthorpe
2021-05-03 16:30 ` Logan Gunthorpe
2021-05-03 16:30 ` Logan Gunthorpe
2021-05-03 18:31 ` John Hubbard
2021-05-03 18:31 ` John Hubbard
2021-05-03 18:31 ` John Hubbard
2021-05-03 18:56 ` Logan Gunthorpe
2021-05-03 18:56 ` Logan Gunthorpe
2021-05-03 18:56 ` Logan Gunthorpe
2021-05-03 21:54 ` John Hubbard
2021-05-03 21:54 ` John Hubbard
2021-05-03 21:54 ` John Hubbard
2021-05-03 22:57 ` Jason Gunthorpe
2021-05-03 22:57 ` Jason Gunthorpe
2021-05-03 22:57 ` Jason Gunthorpe
2021-05-03 23:40 ` John Hubbard
2021-05-03 23:40 ` John Hubbard
2021-05-03 23:40 ` John Hubbard
2021-04-08 17:01 ` [PATCH 05/16] dma-mapping: Introduce dma_map_sg_p2pdma() Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-27 19:22 ` Jason Gunthorpe
2021-04-27 19:22 ` Jason Gunthorpe
2021-04-27 19:22 ` Jason Gunthorpe
2021-04-27 22:49 ` Logan Gunthorpe
2021-04-27 22:49 ` Logan Gunthorpe
2021-04-27 22:49 ` Logan Gunthorpe
2021-04-27 19:31 ` Jason Gunthorpe
2021-04-27 19:31 ` Jason Gunthorpe
2021-04-27 19:31 ` Jason Gunthorpe
2021-04-27 22:55 ` Logan Gunthorpe
2021-04-27 22:55 ` Logan Gunthorpe
2021-04-27 22:55 ` Logan Gunthorpe
2021-04-27 23:01 ` Jason Gunthorpe
2021-04-27 23:01 ` Jason Gunthorpe
2021-04-27 23:01 ` Jason Gunthorpe
2021-05-03 18:28 ` Christoph Hellwig
2021-05-03 18:28 ` Christoph Hellwig
2021-05-03 18:28 ` Christoph Hellwig
2021-05-03 18:31 ` Logan Gunthorpe
2021-05-03 18:31 ` Logan Gunthorpe
2021-05-03 18:31 ` Logan Gunthorpe
2021-05-02 21:23 ` John Hubbard
2021-05-02 21:23 ` John Hubbard
2021-05-02 21:23 ` John Hubbard
2021-05-03 16:38 ` Logan Gunthorpe
2021-05-03 16:38 ` Logan Gunthorpe
2021-05-03 16:38 ` Logan Gunthorpe
2021-05-11 16:05 ` Don Dutile
2021-05-11 16:05 ` Don Dutile
2021-05-11 16:05 ` Don Dutile
2021-04-08 17:01 ` [PATCH 06/16] lib/scatterlist: Add flag for indicating P2PDMA segments in an SGL Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-05-02 22:34 ` John Hubbard
2021-05-02 22:34 ` John Hubbard
2021-05-02 22:34 ` John Hubbard
2021-04-08 17:01 ` [PATCH 07/16] PCI/P2PDMA: Make pci_p2pdma_map_type() non-static Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-05-02 22:44 ` John Hubbard
2021-05-02 22:44 ` John Hubbard
2021-05-02 22:44 ` John Hubbard
2021-05-03 16:39 ` Logan Gunthorpe [this message]
2021-05-03 16:39 ` Logan Gunthorpe
2021-05-03 16:39 ` Logan Gunthorpe
2021-05-11 16:06 ` Don Dutile
2021-05-11 16:06 ` Don Dutile
2021-05-11 16:06 ` Don Dutile
2021-05-11 16:17 ` Logan Gunthorpe
2021-05-11 16:17 ` Logan Gunthorpe
2021-05-11 16:17 ` Logan Gunthorpe
2021-04-08 17:01 ` [PATCH 08/16] PCI/P2PDMA: Introduce helpers for dma_map_sg implementations Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-05-02 22:52 ` John Hubbard
2021-05-02 22:52 ` John Hubbard
2021-05-02 22:52 ` John Hubbard
2021-05-03 0:50 ` John Hubbard
2021-05-03 0:50 ` John Hubbard
2021-05-03 0:50 ` John Hubbard
2021-05-03 17:15 ` Logan Gunthorpe
2021-05-03 17:15 ` Logan Gunthorpe
2021-05-03 17:15 ` Logan Gunthorpe
2021-04-08 17:01 ` [PATCH 09/16] dma-direct: Support PCI P2PDMA pages in dma-direct map_sg Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-27 19:33 ` Jason Gunthorpe
2021-04-27 19:33 ` Jason Gunthorpe
2021-04-27 19:33 ` Jason Gunthorpe
2021-04-27 19:40 ` Jason Gunthorpe
2021-04-27 19:40 ` Jason Gunthorpe
2021-04-27 19:40 ` Jason Gunthorpe
2021-04-27 22:56 ` Logan Gunthorpe
2021-04-27 22:56 ` Logan Gunthorpe
2021-04-27 22:56 ` Logan Gunthorpe
2021-05-02 23:28 ` John Hubbard
2021-05-02 23:28 ` John Hubbard
2021-05-02 23:28 ` John Hubbard
2021-05-02 23:32 ` John Hubbard
2021-05-02 23:32 ` John Hubbard
2021-05-02 23:32 ` John Hubbard
2021-05-03 17:06 ` Logan Gunthorpe
2021-05-03 17:06 ` Logan Gunthorpe
2021-05-03 17:06 ` Logan Gunthorpe
2021-05-03 16:55 ` Logan Gunthorpe
2021-05-03 16:55 ` Logan Gunthorpe
2021-05-03 16:55 ` Logan Gunthorpe
2021-05-04 0:12 ` John Hubbard
2021-05-04 0:12 ` John Hubbard
2021-05-04 0:12 ` John Hubbard
2021-05-03 17:04 ` Logan Gunthorpe
2021-05-03 17:04 ` Logan Gunthorpe
2021-05-03 17:04 ` Logan Gunthorpe
2021-05-04 0:01 ` John Hubbard
2021-05-04 0:01 ` John Hubbard
2021-05-04 0:01 ` John Hubbard
2021-04-08 17:01 ` [PATCH 10/16] dma-mapping: Add flags to dma_map_ops to indicate PCI P2PDMA support Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-05-03 0:32 ` John Hubbard
2021-05-03 0:32 ` John Hubbard
2021-05-03 0:32 ` John Hubbard
2021-05-03 17:09 ` Logan Gunthorpe
2021-05-03 17:09 ` Logan Gunthorpe
2021-05-03 17:09 ` Logan Gunthorpe
2021-05-11 16:06 ` Don Dutile
2021-05-11 16:06 ` Don Dutile
2021-05-11 16:06 ` Don Dutile
2021-05-11 16:19 ` Logan Gunthorpe
2021-05-11 16:19 ` Logan Gunthorpe
2021-05-11 16:19 ` Logan Gunthorpe
2021-04-08 17:01 ` [PATCH 11/16] iommu/dma: Support PCI P2PDMA pages in dma-iommu map_sg Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-27 19:43 ` Jason Gunthorpe
2021-04-27 19:43 ` Jason Gunthorpe
2021-04-27 19:43 ` Jason Gunthorpe
2021-04-27 22:59 ` Logan Gunthorpe
2021-04-27 22:59 ` Logan Gunthorpe
2021-04-27 22:59 ` Logan Gunthorpe
2021-05-03 1:14 ` John Hubbard
2021-05-03 1:14 ` John Hubbard
2021-05-03 1:14 ` John Hubbard
2021-05-06 23:59 ` Logan Gunthorpe
2021-05-06 23:59 ` Logan Gunthorpe
2021-05-06 23:59 ` Logan Gunthorpe
2021-05-11 16:06 ` Don Dutile
2021-05-11 16:06 ` Don Dutile
2021-05-11 16:06 ` Don Dutile
2021-05-11 16:35 ` Logan Gunthorpe
2021-05-11 16:35 ` Logan Gunthorpe
2021-05-11 16:35 ` Logan Gunthorpe
2021-04-08 17:01 ` [PATCH 12/16] nvme-pci: Check DMA ops when indicating support for PCI P2PDMA Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-05-03 1:29 ` John Hubbard
2021-05-03 1:29 ` John Hubbard
2021-05-03 1:29 ` John Hubbard
2021-05-03 17:17 ` Logan Gunthorpe
2021-05-03 17:17 ` Logan Gunthorpe
2021-05-03 17:17 ` Logan Gunthorpe
2021-05-04 0:17 ` John Hubbard
2021-05-04 0:17 ` John Hubbard
2021-05-04 0:17 ` John Hubbard
2021-04-08 17:01 ` [PATCH 13/16] nvme-pci: Convert to using dma_map_sg_p2pdma for p2pdma pages Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-05-03 1:34 ` John Hubbard
2021-05-03 1:34 ` John Hubbard
2021-05-03 1:34 ` John Hubbard
2021-05-03 17:19 ` Logan Gunthorpe
2021-05-03 17:19 ` Logan Gunthorpe
2021-05-03 17:19 ` Logan Gunthorpe
2021-05-04 0:26 ` John Hubbard
2021-05-04 0:26 ` John Hubbard
2021-05-04 0:26 ` John Hubbard
2021-04-08 17:01 ` [PATCH 14/16] nvme-rdma: Ensure dma support when using p2pdma Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-27 19:47 ` Jason Gunthorpe
2021-04-27 19:47 ` Jason Gunthorpe
2021-04-27 19:47 ` Jason Gunthorpe
2021-04-27 22:59 ` Logan Gunthorpe
2021-04-27 22:59 ` Logan Gunthorpe
2021-04-27 22:59 ` Logan Gunthorpe
2021-05-03 1:37 ` John Hubbard
2021-05-03 1:37 ` John Hubbard
2021-05-03 1:37 ` John Hubbard
2021-04-08 17:01 ` [PATCH 15/16] RDMA/rw: use dma_map_sg_p2pdma() Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` [PATCH 16/16] PCI/P2PDMA: Remove pci_p2pdma_[un]map_sg() Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-08 17:01 ` Logan Gunthorpe
2021-04-27 19:28 ` [PATCH 00/16] Add new DMA mapping operation for P2PDMA Jason Gunthorpe
2021-04-27 19:28 ` Jason Gunthorpe
2021-04-27 19:28 ` Jason Gunthorpe
2021-04-27 20:21 ` John Hubbard
2021-04-27 20:21 ` John Hubbard
2021-04-27 20:21 ` John Hubbard
2021-04-27 20:48 ` Dan Williams
2021-04-27 20:48 ` Dan Williams
2021-04-27 20:48 ` Dan Williams
2021-05-02 1:22 ` John Hubbard
2021-05-02 1:22 ` John Hubbard
2021-05-02 1:22 ` John Hubbard
2021-05-11 16:05 ` Don Dutile
2021-05-11 16:05 ` Don Dutile
2021-05-11 16:05 ` Don Dutile
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