From: Jason Gunthorpe <jgg@nvidia.com>
To: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Cc: leonro@nvidia.com,
Brendan Cunningham <bcunningham@cornelisnetworks.com>,
Patrick Kelsey <pat.kelsey@cornelisnetworks.com>,
linux-rdma@vger.kernel.org
Subject: Re: [PATCH for-next 3/3] IB/hfi1: Separate user SDMA page-pinning from memory type
Date: Thu, 1 Jun 2023 14:45:36 -0300 [thread overview]
Message-ID: <ZHjZQOYgNW9tllNx@nvidia.com> (raw)
In-Reply-To: <168451527025.3702129.12415971836404455256.stgit@awfm-02.cornelisnetworks.com>
On Fri, May 19, 2023 at 12:54:30PM -0400, Dennis Dalessandro wrote:
> From: Patrick Kelsey <pat.kelsey@cornelisnetworks.com>
>
> In order to handle user SDMA requests where the packet payload is to be
> constructed from memory other than system memory, do user SDMA
> page-pinning through the page-pinning interface. The page-pinning
> interface lets the user SDMA code operate on user_sdma_iovec objects
> without caring which type of memory that iovec's iov.iov_base points to.
What is "other than system memory" memory??
Jason
next prev parent reply other threads:[~2023-06-01 17:45 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-19 16:54 [PATCH for-next 0/3] Updates for 6.5 Dennis Dalessandro
2023-05-19 16:54 ` [PATCH for-next 1/3] IB/hfi1: Add mmu_rb_node refcount to hfi1_mmu_rb_template tracepoints Dennis Dalessandro
2023-05-19 16:54 ` [PATCH for-next 2/3] IB/hfi1: Remove unused struct mmu_rb_ops fields .insert, .invalidate Dennis Dalessandro
2023-05-19 16:54 ` [PATCH for-next 3/3] IB/hfi1: Separate user SDMA page-pinning from memory type Dennis Dalessandro
2023-06-01 17:45 ` Jason Gunthorpe [this message]
2023-06-01 18:15 ` Dennis Dalessandro
2023-06-01 18:58 ` Jason Gunthorpe
2023-06-01 19:11 ` Dennis Dalessandro
2023-06-01 22:46 ` Jason Gunthorpe
2023-06-02 3:15 ` Dennis Dalessandro
2023-06-01 22:54 ` [PATCH for-next 0/3] Updates for 6.5 Jason Gunthorpe
2023-06-02 3:41 ` Dennis Dalessandro
2023-06-02 13:42 ` Jason Gunthorpe
2023-06-02 17:15 ` Dennis Dalessandro
2023-06-02 17:23 ` Jason Gunthorpe
2023-06-16 16:33 ` Dennis Dalessandro
2023-06-16 19:25 ` Jason Gunthorpe
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