From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Hal Rosenstock <hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
Cc: kaike.wan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
John Fleck <john.fleck-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Ira Weiny <ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH v4 4/4] IB/sa: Route SA pathrecord query through netlink
Date: Wed, 10 Jun 2015 13:10:26 -0600 [thread overview]
Message-ID: <20150610191026.GA28334@obsidianresearch.com> (raw)
In-Reply-To: <55787838.3020606-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
On Wed, Jun 10, 2015 at 01:47:36PM -0400, Hal Rosenstock wrote:
> On 6/9/2015 10:57 AM, kaike.wan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org wrote:
> > From: Kaike Wan <kaike.wan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> >
> > This patch routes a SA pathrecord query to netlink first
>
> Should only unicast PRs be done in this manner or should API support
> enabling for unicast and/or multicast ?
>
> AFAIK kernel doesn't query multicast PRs now (queries MCMRs) but this
> seems like it would help make it future proof and not have to take
> timeout on local query unless app supports it.
It is a good question. We can clearly extend toward that, using a MGID
as the DGID and adding additional nested netlink fields.
However, does it make sense? I don't think user space should be
joining on behalf of the kernel... Do we ever query without a join?
Jasno
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next prev parent reply other threads:[~2015-06-10 19:10 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-09 14:57 [PATCH v4 0/4] Sending kernel pathrecord query to user cache server kaike.wan-ral2JQCrhuEAvxtiuMwx3w
[not found] ` <1433861837-26177-1-git-send-email-kaike.wan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-06-09 14:57 ` [PATCH v4 1/4] IB/netlink: Add defines for local service requests through netlink kaike.wan-ral2JQCrhuEAvxtiuMwx3w
[not found] ` <1433861837-26177-2-git-send-email-kaike.wan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-06-10 17:47 ` Hal Rosenstock
[not found] ` <55787827.7030003-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-06-10 18:31 ` Wan, Kaike
[not found] ` <3F128C9216C9B84BB6ED23EF16290AFB0CABCD80-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-06-10 19:54 ` Hal Rosenstock
[not found] ` <55789609.4020906-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-06-10 20:32 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A8FE6A9D-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-06-11 12:24 ` Wan, Kaike
2015-06-09 14:57 ` [PATCH v4 2/4] IB/core: Check the presence of netlink multicast group listeners kaike.wan-ral2JQCrhuEAvxtiuMwx3w
2015-06-09 14:57 ` [PATCH v4 3/4] IB/sa: Allocate SA query with kzalloc kaike.wan-ral2JQCrhuEAvxtiuMwx3w
2015-06-09 14:57 ` [PATCH v4 4/4] IB/sa: Route SA pathrecord query through netlink kaike.wan-ral2JQCrhuEAvxtiuMwx3w
[not found] ` <1433861837-26177-5-git-send-email-kaike.wan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-06-10 17:47 ` Hal Rosenstock
[not found] ` <55787838.3020606-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-06-10 19:10 ` Jason Gunthorpe [this message]
[not found] ` <20150610191026.GA28334-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-06-10 19:51 ` Hal Rosenstock
[not found] ` <5578955A.4070001-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-06-10 21:09 ` Weiny, Ira
[not found] ` <2807E5FD2F6FDA4886F6618EAC48510E1109B14D-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-06-11 12:24 ` Hal Rosenstock
[not found] ` <55797DF3.6050304-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-06-11 12:54 ` Wan, Kaike
[not found] ` <3F128C9216C9B84BB6ED23EF16290AFB0CABD089-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-06-11 13:25 ` Hal Rosenstock
[not found] ` <55798C31.5090600-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-06-11 16:08 ` Weiny, Ira
2015-06-10 13:37 ` [PATCH v4 0/4] Sending kernel pathrecord query to user cache server Hal Rosenstock
[not found] ` <55783D84.6040709-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-06-10 14:22 ` Wan, Kaike
[not found] ` <3F128C9216C9B84BB6ED23EF16290AFB0CABCC2E-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-06-10 14:39 ` Hal Rosenstock
[not found] ` <55784C35.2020401-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-06-10 15:07 ` Wan, Kaike
[not found] ` <3F128C9216C9B84BB6ED23EF16290AFB0CABCC80-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-06-10 15:19 ` Hal Rosenstock
[not found] ` <5578558B.1070503-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-06-10 15:49 ` Wan, Kaike
[not found] ` <3F128C9216C9B84BB6ED23EF16290AFB0CABCCC5-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-06-10 16:46 ` Hal Rosenstock
2015-06-10 18:00 ` ira.weiny
[not found] ` <20150610180020.GC13497-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2015-06-10 18:05 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A8FE6940-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-06-10 21:04 ` Weiny, Ira
[not found] ` <2807E5FD2F6FDA4886F6618EAC48510E1109B12A-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-06-10 21:11 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A8FE6AD4-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-06-10 21:31 ` Weiny, Ira
[not found] ` <2807E5FD2F6FDA4886F6618EAC48510E1109B194-8k97q/ur5Z2krb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-06-10 21:34 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A8FE6B07-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-06-10 21:37 ` Jason Gunthorpe
2015-06-10 15:21 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A8FE6677-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-06-10 16:50 ` Hal Rosenstock
[not found] ` <55786ACC.4070704-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-06-10 17:04 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A8FE680D-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-06-10 19:14 ` Jason Gunthorpe
[not found] ` <20150610191439.GB28334-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-06-11 12:58 ` Wan, Kaike
2015-06-10 19:51 ` Hal Rosenstock
[not found] ` <55789557.3080100-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-06-11 12:34 ` Wan, Kaike
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