From: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: "Hefty, Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Jason Gunthorpe
<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>,
Matan Barak
<matanb-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>,
"dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org"
<dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [RFC ABI 0/8] Netlink-based IOCTLs RDMA ABI
Date: Fri, 27 May 2016 16:19:56 +0300 [thread overview]
Message-ID: <20160527131956.GY25500@leon.nu> (raw)
In-Reply-To: <1828884A29C6694DAF28B7E6B8A82373AB05BC0C-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
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On Fri, May 27, 2016 at 12:46:48AM +0000, Hefty, Sean wrote:
> > This is where I see the attraction of the attribute id labeled buffer.
>
> I like the idea of an attribute id labeled buffer myself. But I think the processing of the ioctl data is better handled by the kernel client, rather than the framework. The framework just needs to know enough to copy the data efficiently into/out from the kernel, and I don't know what's the optimal design here.
Sean,
What do you mean by "the kernel client"?
Maybe you are referring for something else, but I think about driver's
implementations of callbacks which will cause to code duplications.
>
> - Sean
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next prev parent reply other threads:[~2016-05-27 13:19 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-24 14:35 [RFC ABI 0/8] Netlink-based IOCTLs RDMA ABI Leon Romanovsky
[not found] ` <1464100526-31730-1-git-send-email-leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-05-24 14:35 ` [RFC ABI 1/8] IB/core: Export RDMA IOCTL declarations Leon Romanovsky
[not found] ` <1464100526-31730-2-git-send-email-leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-05-24 19:46 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05008A-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-24 19:49 ` Leon Romanovsky
2016-05-24 14:35 ` [RFC ABI 2/8] lib/nlattr: Add parsing netlink and validate using callback Leon Romanovsky
2016-05-24 14:35 ` [RFC ABI 3/8] IB/core: Adding netlink based udata Leon Romanovsky
2016-05-24 14:35 ` [RFC ABI 4/8] IB/core: Add DIRECT ioctl call to vendor Leon Romanovsky
2016-05-24 14:35 ` [RFC ABI 5/8] IB/core: Add new ioctl for VERBS commands with netlink style parsing Leon Romanovsky
2016-05-24 14:35 ` [RFC ABI 6/8] IB/core: Add outptr to udata in order to track the output size Leon Romanovsky
2016-05-24 14:35 ` [RFC ABI 7/8] IB/core: Refactor idr to a shared file Leon Romanovsky
2016-05-24 14:35 ` [RFC ABI 8/8] IB/core: Implement device_create with the new ABI Leon Romanovsky
[not found] ` <1464100526-31730-9-git-send-email-leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-05-24 20:04 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB0500F1-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-24 21:53 ` Jason Gunthorpe
[not found] ` <20160524215335.GE7950-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-24 22:02 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05024F-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-24 22:11 ` Jason Gunthorpe
[not found] ` <20160524221118.GG7950-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-24 22:24 ` Hefty, Sean
2016-05-24 22:07 ` Jason Gunthorpe
[not found] ` <20160524220720.GF7950-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-26 6:00 ` Leon Romanovsky
2016-05-26 13:24 ` Matan Barak
[not found] ` <CAAKD3BDVFs4rivq1qEih-Z5uOMSVp=OuwDaVroK=UjAhcj6wsg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-26 17:30 ` Jason Gunthorpe
2016-05-24 19:37 ` [RFC ABI 0/8] Netlink-based IOCTLs RDMA ABI Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05004F-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-24 21:01 ` Jason Gunthorpe
[not found] ` <20160524210132.GB7950-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-24 21:16 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB0501E2-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-24 21:31 ` Steve Wise
2016-05-24 21:49 ` Jason Gunthorpe
[not found] ` <20160524214951.GC7950-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-24 21:59 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05023F-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-24 22:30 ` Jason Gunthorpe
[not found] ` <20160524223052.GI7950-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-24 22:44 ` Hefty, Sean
2016-05-26 15:18 ` Matan Barak
[not found] ` <CAAKD3BA3fxgHwSXg__9LAPo7E4-7NY7h7Gea5+1GCg11ydn2kQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-26 17:22 ` Jason Gunthorpe
[not found] ` <20160526172244.GC27115-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-26 22:53 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05BB5D-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-26 23:36 ` Jason Gunthorpe
[not found] ` <20160526233612.GA4396-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-27 0:46 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05BC0C-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-27 13:19 ` Leon Romanovsky [this message]
[not found] ` <20160527131956.GY25500-2ukJVAZIZ/Y@public.gmane.org>
2016-05-27 15:04 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05BD12-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-29 8:16 ` Leon Romanovsky
[not found] ` <20160529081646.GA25500-2ukJVAZIZ/Y@public.gmane.org>
2016-05-31 17:56 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05CA92-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-05-31 18:10 ` Leon Romanovsky
[not found] ` <20160531181012.GD7477-2ukJVAZIZ/Y@public.gmane.org>
2016-05-31 20:01 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373AB05CBD5-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-06-01 11:18 ` Leon Romanovsky
2016-05-25 13:14 ` Leon Romanovsky
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