From: Roland Dreier <roland-BHEL68pLQRGGvPXPguhicg@public.gmane.org>
To: Jeff Squyres <jsquyres-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
Cc: "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH V2] libibverbs: Allow arbitrary int values for MTU
Date: Fri, 5 Jul 2013 12:11:02 -0700 [thread overview]
Message-ID: <CAL1RGDVU9otyMtoit1PJR5JkVy4XvU=4xjL1rN1QB7pq0rVcxA@mail.gmail.com> (raw)
In-Reply-To: <1372768306-6786-1-git-send-email-jsquyres-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
On Tue, Jul 2, 2013 at 5:31 AM, Jeff Squyres <jsquyres-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org> wrote:
> Keep IBV_MTU_* enums values as they are, but pass MTU values around as
> a struct containing a single int.
>
> Per lengthy discusson on the linux-rdma list, this patch introdces a
> source code incompatibility. Although legacy applications can
> continue to use the enum values, they will need to be updated to use
> the struct. Newer applications are encouraged to use arbitrary int
> values, not the MTU enums (e.g., 1024, 1500, 9000).
So what happens if I have an old application binary, and I run against
a new libibverbs without recompiling?
Also it seems that I'm forced to change my source code to be able to
compile against new libibverbs?
- R.
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next prev parent reply other threads:[~2013-07-05 19:11 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-02 12:31 [PATCH V2] libibverbs: Allow arbitrary int values for MTU Jeff Squyres
[not found] ` <1372768306-6786-1-git-send-email-jsquyres-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2013-07-04 0:36 ` Jeff Squyres (jsquyres)
2013-07-05 19:11 ` Roland Dreier [this message]
[not found] ` <CAL1RGDVU9otyMtoit1PJR5JkVy4XvU=4xjL1rN1QB7pq0rVcxA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-07-08 16:26 ` Jeff Squyres (jsquyres)
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F6F31A6-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-08 17:19 ` Roland Dreier
[not found] ` <CAL1RGDU+4CSJyF0TAfAv-YYcjA4FG+XNeg5pGCHPeW5iqhvwpA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-07-08 17:26 ` Jason Gunthorpe
[not found] ` <20130708172621.GA3852-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-07-10 12:14 ` Jeff Squyres (jsquyres)
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F70BF83-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-15 14:20 ` Jeff Squyres (jsquyres)
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F71CB0F-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-30 16:44 ` Christoph Lameter
[not found] ` <0000014030779fed-e7bdfc9a-6714-4473-b093-4b247ab940b6-000000-p/GC64/jrecnJqMo6gzdpkEOCMrvLtNR@public.gmane.org>
2013-07-30 17:21 ` Jeff Squyres (jsquyres)
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F7883AD-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-30 18:31 ` Christoph Lameter
[not found] ` <0000014030d9bc3d-2916693b-9669-4017-a724-75b51c6dc3dc-000000-p/GC64/jrecnJqMo6gzdpkEOCMrvLtNR@public.gmane.org>
2013-07-30 18:45 ` Atchley, Scott
[not found] ` <17370FDF-C64B-4D74-A848-79C1438E6283-1Heg1YXhbW8@public.gmane.org>
2013-07-30 18:47 ` Doug Ledford
2013-07-16 8:04 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373805AAB74-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2013-07-16 14:47 ` Jason Gunthorpe
[not found] ` <20130716144747.GA7304-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-07-16 17:11 ` Jeff Squyres (jsquyres)
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F7211E6-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-17 0:16 ` Roland Dreier
[not found] ` <CAL1RGDWKmecLXsqphwdP9XG=4Y=65Z_ACSdRBhEqVQb6Q4LrUg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-07-17 17:57 ` Doug Ledford
[not found] ` <51E6DB11.9050906-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-08-05 18:48 ` Roland Dreier
[not found] ` <CAL1RGDVuuQU-NZ2o+T0_kuxPMRadGPeqzO1J9iuW=DRuFMMYfQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-08-05 19:02 ` Jason Gunthorpe
[not found] ` <20130805190238.GA14356-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-08-05 20:06 ` Roland Dreier
[not found] ` <CAL1RGDWPHWzAWx7XXxGGCVQQ1xHU6QDVybrttnvoqUPrzqzvWA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-08-05 22:22 ` Jason Gunthorpe
[not found] ` <20130805222250.GA4486-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-08-05 22:35 ` Roland Dreier
[not found] ` <CAL1RGDW5V_N62LSZa1YRG1JA1fOf+nbQwBG1xQ7yYiuF6z0fMw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-08-05 22:43 ` Jason Gunthorpe
2013-07-17 4:06 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373805AECC0-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2013-07-17 18:12 ` Jeff Squyres (jsquyres)
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F725B8C-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-17 21:41 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373805B941D-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2013-07-17 21:44 ` Steve Wise
[not found] ` <51E71023.2060006-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2013-07-18 2:32 ` Jeff Squyres (jsquyres)
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F727D11-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-18 16:50 ` Jason Gunthorpe
[not found] ` <20130718165003.GB9237-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-07-23 13:26 ` Jeff Squyres (jsquyres)
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F749B82-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-30 12:59 ` Jeff Squyres (jsquyres)
-- strict thread matches above, loose matches on Subject: below --
2013-06-20 14:21 Jeff Squyres
[not found] ` <1371738080-18537-1-git-send-email-jsquyres-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2013-06-20 16:34 ` Doug Ledford
[not found] ` <51C32EFC.8060202-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-06-20 16:42 ` Doug Ledford
2013-06-20 16:53 ` Jason Gunthorpe
[not found] ` <20130620165305.GA19800-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-06-20 20:31 ` Doug Ledford
[not found] ` <51C36692.7000507-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-06-20 21:14 ` Jason Gunthorpe
[not found] ` <20130620211454.GA2434-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-06-21 0:31 ` Doug Ledford
[not found] ` <51C39ECB.3040006-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-06-21 1:03 ` Hefty, Sean
2013-06-21 6:36 ` Jason Gunthorpe
[not found] ` <20130621063648.GA27963-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-06-21 17:36 ` Doug Ledford
[not found] ` <51C48F01.5030103-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-06-21 18:26 ` Jason Gunthorpe
[not found] ` <20130621182617.GA17700-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-06-21 20:57 ` Doug Ledford
[not found] ` <51C4BE25.9000501-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-06-21 21:20 ` Jason Gunthorpe
[not found] ` <20130621212016.GA10637-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-06-21 21:56 ` Hefty, Sean
2013-06-22 13:13 ` Jeff Squyres (jsquyres)
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