From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leon Romanovsky Subject: Re: [rdma-next 01/33] Revert "IB/core: Add flow control to the portmapper netlink calls" Date: Wed, 2 Aug 2017 19:29:38 +0300 Message-ID: <20170802162938.GC13672@mtr-leonro.local> References: <20170801120536.540-1-leon@kernel.org> <20170801120536.540-2-leon@kernel.org> <20170801133832.GA11812@ctung-MOBL3.amr.corp.intel.com> <20170801141023.GM13672@mtr-leonro.local> <20170801141842.GA1808@ctung-MOBL3.amr.corp.intel.com> <20170801151511.GA13376@ctung-MOBL3.amr.corp.intel.com> <20170801195840.GC31205@obsidianresearch.com> <20170802034438.GV13672@mtr-leonro.local> <20170802155856.GA21208@obsidianresearch.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="1VhaNAE4Hwu38Ubd" Return-path: Content-Disposition: inline In-Reply-To: <20170802155856.GA21208-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jason Gunthorpe Cc: Chien Tin Tung , Christopher Lameter , Doug Ledford , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org --1VhaNAE4Hwu38Ubd Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Aug 02, 2017 at 09:58:56AM -0600, Jason Gunthorpe wrote: > On Wed, Aug 02, 2017 at 06:44:38AM +0300, Leon Romanovsky wrote: > > On Tue, Aug 01, 2017 at 01:58:40PM -0600, Jason Gunthorpe wrote: > > > > > > I'm not sure why there is so much noise about this - yes, iwpmd is > > > really weird, but it is a UAPI, we can't change it and we can't demand > > > they change. > > > > If you claim that it is UAPI change, we MUST revert this patch, because > > reverted patch CHANGED UAPI. > > That is not how I read it.. The UAPI was intended to be lossless and > there was a kernel bug that made it more lossy than expected, that is > what that original patch was addressing. The catch 22 here is in the fact that there is no kernel bug. I assume and according to Bart's questions (but better to ask him) he thinks the same, that the bug is in protocol layer and/or user space part. There is no visible kernel bug. This is exactly what we are asking from Chien to provide the details. Thanks > > Jason --1VhaNAE4Hwu38Ubd Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEkhr/r4Op1/04yqaB5GN7iDZyWKcFAlmB/fIACgkQ5GN7iDZy WKe6Iw//eWXDm2dCnCQUzC2V0thtfcwobpXwxoEgoNgTaqcjrHOi8ESIge/8w4Wv ETcgBuMPTUuwW8iheMih2IfcmrrKwsuoEgx9hBMDK9IHnPCfIyIUyQtmyi6Ng4u5 gLvrS6vX3vs1nT1WsJsp7FtVnusNvmFSOIfNWvP3IqFjMZRu/v93SRZvYruEnSJx OEZDOFePgOL20Mnb0cj+Wb3Rnl9fjJUxOnWE472bUKe2spF1214LgNQ/pMbl/5Z5 E+6wg5HRkWL0R4PwbQKqCRIGKcSkEOIO7xhXXnekUMI6A3blHEl18GiLCqwHR6yG cvZkyc95Zu/zP+Q7/Xnt0qpH/1H3PJmFmhmvv6h5AG4zvdBmFKYd1SO+baLPeSex UgsI5odc7jcrLFdgMxJ/CMCJSLxxqNYgfQj/uKTCAhS1Ns5m8ud5xzMygxEndyyK iWQhs9yecNiuxFQSW0HJyjzOqEmfBAdZFww/hZPZZlNGUyIK66V33TTjTonpl6B8 xB9AYPna7Ub4pRnQqvG+ds+iPQwQ8On9li+N359BtUyFoTwv5AZxLm1r4lKIz1Nl eANt2f4/qZK4A37ObOwE6qn0hEBUNSDOYNRsE3awEG73QKBrgOB4Ea9iRyNYIoO7 wqscuTSbifO0E5RP+h0+nH+6fnM4sh6AGA2erwPhS0t6nHemzCc= =fOBO -----END PGP SIGNATURE----- --1VhaNAE4Hwu38Ubd-- -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html