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From: Christoph Hellwig <hch@lst.de>
To: Logan Gunthorpe <logang@deltatee.com>
Cc: 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,
	"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>,
	"John Hubbard" <jhubbard@nvidia.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>,
	"Martin Oliveira" <martin.oliveira@eideticom.com>,
	"Chaitanya Kulkarni" <ckulkarnilinux@gmail.com>,
	"Jason Gunthorpe" <jgg@nvidia.com>
Subject: Re: [PATCH v4 01/23] lib/scatterlist: cleanup macros into static inline functions
Date: Tue, 21 Dec 2021 10:00:03 +0100	[thread overview]
Message-ID: <20211221090003.GA7949@lst.de> (raw)
In-Reply-To: <20211117215410.3695-2-logang@deltatee.com>

On Wed, Nov 17, 2021 at 02:53:48PM -0700, Logan Gunthorpe wrote:
> Convert the sg_is_chain(), sg_is_last() and sg_chain_ptr() macros
> into static inline functions. There's no reason for these to be macros
> and static inline are generally preferred these days.
> 
> Also introduce the SG_PAGE_LINK_MASK define so the P2PDMA work, which is
> adding another bit to this mask, can do so more easily.
> 
> Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
> Signed-off-by: Logan Gunthorpe <logang@deltatee.com>

Looks fine:

Reviewed-by: Christoph Hellwig <hch@lst.de>

scatterlist.h doesn't have a real maintainer, do you want me to pick
this up through the DMA tree?

WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Logan Gunthorpe <logang@deltatee.com>
Cc: linux-pci@vger.kernel.org,
	"Dave Hansen" <dave.hansen@linux.intel.com>,
	linux-nvme@lists.infradead.org,
	"Stephen Bates" <sbates@raithlin.com>,
	linux-mm@kvack.org, "Jason Ekstrand" <jason@jlekstrand.net>,
	"Ira Weiny" <ira.weiny@intel.com>,
	"Christoph Hellwig" <hch@lst.de>,
	"Minturn Dave B" <dave.b.minturn@intel.com>,
	"Martin Oliveira" <martin.oliveira@eideticom.com>,
	"Matthew Wilcox" <willy@infradead.org>,
	"Jason Gunthorpe" <jgg@ziepe.ca>,
	"Chaitanya Kulkarni" <ckulkarnilinux@gmail.com>,
	"Bjorn Helgaas" <helgaas@kernel.org>,
	"Jason Gunthorpe" <jgg@nvidia.com>,
	"Daniel Vetter" <daniel.vetter@ffwll.ch>,
	"John Hubbard" <jhubbard@nvidia.com>,
	linux-block@vger.kernel.org,
	"Dan Williams" <dan.j.williams@intel.com>,
	"Jakowski Andrzej" <andrzej.jakowski@intel.com>,
	"Xiong Jianxin" <jianxin.xiong@intel.com>,
	linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
	"Robin Murphy" <robin.murphy@arm.com>,
	"Christian König" <christian.koenig@amd.com>
Subject: Re: [PATCH v4 01/23] lib/scatterlist: cleanup macros into static inline functions
Date: Tue, 21 Dec 2021 10:00:03 +0100	[thread overview]
Message-ID: <20211221090003.GA7949@lst.de> (raw)
In-Reply-To: <20211117215410.3695-2-logang@deltatee.com>

On Wed, Nov 17, 2021 at 02:53:48PM -0700, Logan Gunthorpe wrote:
> Convert the sg_is_chain(), sg_is_last() and sg_chain_ptr() macros
> into static inline functions. There's no reason for these to be macros
> and static inline are generally preferred these days.
> 
> Also introduce the SG_PAGE_LINK_MASK define so the P2PDMA work, which is
> adding another bit to this mask, can do so more easily.
> 
> Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
> Signed-off-by: Logan Gunthorpe <logang@deltatee.com>

Looks fine:

Reviewed-by: Christoph Hellwig <hch@lst.de>

scatterlist.h doesn't have a real maintainer, do you want me to pick
this up through the DMA tree?
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

  parent reply	other threads:[~2021-12-21  9:00 UTC|newest]

Thread overview: 80+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-17 21:53 [PATCH v4 00/23] Userspace P2PDMA with O_DIRECT NVMe devices Logan Gunthorpe
2021-11-17 21:53 ` Logan Gunthorpe
2021-11-17 21:53 ` [PATCH v4 01/23] lib/scatterlist: cleanup macros into static inline functions Logan Gunthorpe
2021-11-17 21:53   ` Logan Gunthorpe
2021-12-13 21:51   ` Chaitanya Kulkarni
2021-12-13 21:51     ` Chaitanya Kulkarni via iommu
2021-12-21  9:00   ` Christoph Hellwig [this message]
2021-12-21  9:00     ` Christoph Hellwig
2021-12-21 17:23     ` Logan Gunthorpe
2021-12-21 17:23       ` Logan Gunthorpe
2021-12-22  8:22       ` Christoph Hellwig
2021-12-22  8:22         ` Christoph Hellwig
2021-11-17 21:53 ` [PATCH v4 02/23] lib/scatterlist: add flag for indicating P2PDMA segments in an SGL Logan Gunthorpe
2021-11-17 21:53   ` Logan Gunthorpe
2021-12-13 21:55   ` Chaitanya Kulkarni
2021-12-13 21:55     ` Chaitanya Kulkarni via iommu
2021-12-21  9:02   ` Christoph Hellwig
2021-12-21  9:02     ` Christoph Hellwig
2021-11-17 21:53 ` [PATCH v4 03/23] PCI/P2PDMA: Attempt to set map_type if it has not been set Logan Gunthorpe
2021-11-17 21:53   ` Logan Gunthorpe
2021-12-13 22:00   ` Chaitanya Kulkarni
2021-12-13 22:00     ` Chaitanya Kulkarni via iommu
2021-11-17 21:53 ` [PATCH v4 04/23] PCI/P2PDMA: Expose pci_p2pdma_map_type() Logan Gunthorpe
2021-11-17 21:53   ` Logan Gunthorpe
2021-12-13 22:05   ` Chaitanya Kulkarni
2021-12-13 22:05     ` Chaitanya Kulkarni via iommu
2021-11-17 21:53 ` [PATCH v4 05/23] PCI/P2PDMA: Introduce helpers for dma_map_sg implementations Logan Gunthorpe
2021-11-17 21:53   ` Logan Gunthorpe
2021-11-17 21:53 ` [PATCH v4 06/23] dma-mapping: allow EREMOTEIO return code for P2PDMA transfers Logan Gunthorpe
2021-11-17 21:53   ` Logan Gunthorpe
2021-11-17 21:53 ` [PATCH v4 07/23] dma-direct: support PCI P2PDMA pages in dma-direct map_sg Logan Gunthorpe
2021-11-17 21:53   ` Logan Gunthorpe
2021-11-17 21:53 ` [PATCH v4 08/23] dma-mapping: add flags to dma_map_ops to indicate PCI P2PDMA support Logan Gunthorpe
2021-11-17 21:53   ` Logan Gunthorpe
2021-11-17 21:53 ` [PATCH v4 09/23] iommu/dma: support PCI P2PDMA pages in dma-iommu map_sg Logan Gunthorpe
2021-11-17 21:53   ` Logan Gunthorpe
2021-11-17 21:53 ` [PATCH v4 10/23] nvme-pci: check DMA ops when indicating support for PCI P2PDMA Logan Gunthorpe
2021-11-17 21:53   ` Logan Gunthorpe
2021-12-13 22:10   ` Chaitanya Kulkarni
2021-12-13 22:10     ` Chaitanya Kulkarni via iommu
2021-11-17 21:53 ` [PATCH v4 11/23] nvme-pci: convert to using dma_map_sgtable() Logan Gunthorpe
2021-11-17 21:53   ` Logan Gunthorpe
2021-12-13 22:21   ` Chaitanya Kulkarni
2021-12-13 22:21     ` Chaitanya Kulkarni via iommu
2021-12-13 22:28     ` Logan Gunthorpe
2021-12-13 22:28       ` Logan Gunthorpe
2021-11-17 21:53 ` [PATCH v4 12/23] RDMA/core: introduce ib_dma_pci_p2p_dma_supported() Logan Gunthorpe
2021-11-17 21:53   ` Logan Gunthorpe
2021-11-17 21:54 ` [PATCH v4 13/23] RDMA/rw: drop pci_p2pdma_[un]map_sg() Logan Gunthorpe
2021-11-17 21:54   ` Logan Gunthorpe
2021-11-17 21:54 ` [PATCH v4 14/23] PCI/P2PDMA: Remove pci_p2pdma_[un]map_sg() Logan Gunthorpe
2021-11-17 21:54   ` Logan Gunthorpe
2021-11-17 21:54 ` [PATCH v4 15/23] mm: introduce FOLL_PCI_P2PDMA to gate getting PCI P2PDMA pages Logan Gunthorpe
2021-11-17 21:54   ` Logan Gunthorpe
2021-11-17 21:54 ` [PATCH v4 16/23] iov_iter: introduce iov_iter_get_pages_[alloc_]flags() Logan Gunthorpe
2021-11-17 21:54   ` Logan Gunthorpe
2021-12-21  9:04   ` Christoph Hellwig
2021-12-21  9:04     ` Christoph Hellwig
2021-11-17 21:54 ` [PATCH v4 17/23] block: add check when merging zone device pages Logan Gunthorpe
2021-11-17 21:54   ` Logan Gunthorpe
2021-12-21  9:05   ` Christoph Hellwig
2021-12-21  9:05     ` Christoph Hellwig
2021-11-17 21:54 ` [PATCH v4 18/23] lib/scatterlist: " Logan Gunthorpe
2021-11-17 21:54   ` Logan Gunthorpe
2021-11-17 21:54 ` [PATCH v4 19/23] block: set FOLL_PCI_P2PDMA in __bio_iov_iter_get_pages() Logan Gunthorpe
2021-11-17 21:54   ` Logan Gunthorpe
2021-11-17 21:54 ` [PATCH v4 20/23] block: set FOLL_PCI_P2PDMA in bio_map_user_iov() Logan Gunthorpe
2021-11-17 21:54   ` Logan Gunthorpe
2021-11-17 21:54 ` [PATCH v4 21/23] mm: use custom page_free for P2PDMA pages Logan Gunthorpe
2021-11-17 21:54   ` Logan Gunthorpe
2021-12-21  9:06   ` Christoph Hellwig
2021-12-21  9:06     ` Christoph Hellwig
2021-12-21 17:27     ` Logan Gunthorpe
2021-12-21 17:27       ` Logan Gunthorpe
2021-11-17 21:54 ` [PATCH v4 22/23] PCI/P2PDMA: Introduce pci_mmap_p2pmem() Logan Gunthorpe
2021-11-17 21:54   ` Logan Gunthorpe
2021-11-17 21:54 ` [PATCH v4 23/23] nvme-pci: allow mmaping the CMB in userspace Logan Gunthorpe
2021-11-17 21:54   ` Logan Gunthorpe
2021-12-21  9:07   ` Christoph Hellwig
2021-12-21  9:07     ` Christoph Hellwig

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