From: Leon Romanovsky <leon@kernel.org>
To: Tom Talpey <tom@talpey.com>
Cc: Doug Ledford <dledford@redhat.com>,
Jason Gunthorpe <jgg@nvidia.com>,
Avihai Horon <avihaih@nvidia.com>,
Adit Ranadive <aditr@vmware.com>,
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Zhu Yanjun <zyjzyj2000@gmail.com>
Subject: Re: [PATCH rdma-next 02/10] RDMA/core: Enable Relaxed Ordering in __ib_alloc_pd()
Date: Tue, 6 Apr 2021 09:28:46 +0300 [thread overview]
Message-ID: <YGv/nne+E5xXHsME@unreal> (raw)
In-Reply-To: <befc60f3-d28a-5420-b381-0f408bd7cca9@talpey.com>
On Mon, Apr 05, 2021 at 02:01:16PM -0400, Tom Talpey wrote:
> On 4/5/2021 1:23 AM, Leon Romanovsky wrote:
> > From: Avihai Horon <avihaih@nvidia.com>
> >
> > Enable Relaxed Ordering in __ib_alloc_pd() allocation of the
> > local_dma_lkey.
> >
> > This will take effect only for devices that don't pre-allocate the lkey
> > but allocate it per PD allocation.
> >
> > Signed-off-by: Avihai Horon <avihaih@nvidia.com>
> > Reviewed-by: Michael Guralnik <michaelgur@nvidia.com>
> > Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
> > ---
> > drivers/infiniband/core/verbs.c | 3 ++-
> > drivers/infiniband/hw/vmw_pvrdma/pvrdma_mr.c | 1 +
> > 2 files changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
> > index a1782f8a6ca0..9b719f7d6fd5 100644
> > --- a/drivers/infiniband/core/verbs.c
> > +++ b/drivers/infiniband/core/verbs.c
> > @@ -287,7 +287,8 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
> > if (device->attrs.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY)
> > pd->local_dma_lkey = device->local_dma_lkey;
> > else
> > - mr_access_flags |= IB_ACCESS_LOCAL_WRITE;
> > + mr_access_flags |=
> > + IB_ACCESS_LOCAL_WRITE | IB_ACCESS_RELAXED_ORDERING;
>
> So, do local_dma_lkey's get relaxed ordering unconditionally?
Yes, in mlx5, this lkey is created on the fly.
Thanks
next prev parent reply other threads:[~2021-04-06 6:28 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-05 5:23 [PATCH rdma-next 00/10] Enable relaxed ordering for ULPs Leon Romanovsky
2021-04-05 5:23 ` [PATCH rdma-next 01/10] RDMA: Add access flags to ib_alloc_mr() and ib_mr_pool_init() Leon Romanovsky
2021-04-05 13:46 ` Christoph Hellwig
2021-04-06 5:24 ` Leon Romanovsky
2021-04-05 15:27 ` Bart Van Assche
2021-04-06 5:23 ` Leon Romanovsky
2021-04-06 5:27 ` Christoph Hellwig
2021-04-06 5:58 ` Leon Romanovsky
2021-04-06 12:13 ` Jason Gunthorpe
2021-04-06 12:30 ` Christoph Hellwig
2021-04-06 14:04 ` Jason Gunthorpe
2021-04-06 14:15 ` Christoph Hellwig
2021-04-06 14:40 ` Jason Gunthorpe
2021-04-06 14:54 ` Christoph Hellwig
2021-04-06 15:03 ` Christoph Hellwig
2021-04-07 18:28 ` Jason Gunthorpe
2021-04-05 5:23 ` [PATCH rdma-next 02/10] RDMA/core: Enable Relaxed Ordering in __ib_alloc_pd() Leon Romanovsky
2021-04-05 18:01 ` Tom Talpey
2021-04-05 20:40 ` Adit Ranadive
2021-04-06 6:28 ` Leon Romanovsky [this message]
2021-04-05 5:23 ` [PATCH rdma-next 03/10] RDMA/iser: Enable Relaxed Ordering Leon Romanovsky
2021-04-05 5:23 ` [PATCH rdma-next 04/10] RDMA/rtrs: " Leon Romanovsky
2021-04-05 5:23 ` [PATCH rdma-next 05/10] RDMA/srp: " Leon Romanovsky
2021-04-05 5:24 ` [PATCH rdma-next 06/10] nvme-rdma: " Leon Romanovsky
2021-04-05 5:24 ` [PATCH rdma-next 07/10] cifs: smbd: " Leon Romanovsky
2021-04-05 5:24 ` [PATCH rdma-next 08/10] net/rds: " Leon Romanovsky
2021-04-05 5:24 ` [PATCH rdma-next 09/10] net/smc: " Leon Romanovsky
2021-04-05 5:24 ` [PATCH rdma-next 10/10] xprtrdma: " Leon Romanovsky
2021-04-05 13:41 ` [PATCH rdma-next 00/10] Enable relaxed ordering for ULPs Christoph Hellwig
2021-04-05 14:08 ` Leon Romanovsky
2021-04-05 16:11 ` Santosh Shilimkar
2021-04-05 17:54 ` Tom Talpey
2021-04-05 20:07 ` Jason Gunthorpe
2021-04-05 23:42 ` Chuck Lever III
2021-04-05 23:50 ` Keith Busch
2021-04-06 5:12 ` Leon Romanovsky
2021-04-06 11:49 ` Jason Gunthorpe
2021-04-09 14:26 ` Tom Talpey
2021-04-09 14:45 ` Chuck Lever III
2021-04-09 15:32 ` Tom Talpey
2021-04-09 16:27 ` Haakon Bugge
2021-04-09 17:49 ` Tom Talpey
2021-04-10 13:30 ` David Laight
2021-04-12 18:32 ` Haakon Bugge
2021-04-12 20:20 ` Tom Talpey
2021-04-12 22:48 ` Jason Gunthorpe
2021-04-14 14:16 ` Tom Talpey
2021-04-14 14:41 ` David Laight
2021-04-14 14:49 ` Jason Gunthorpe
2021-04-14 14:44 ` Jason Gunthorpe
2021-04-09 16:40 ` Jason Gunthorpe
2021-04-09 17:44 ` Tom Talpey
2021-04-06 2:37 ` Honggang LI
2021-04-06 5:09 ` Leon Romanovsky
2021-04-06 11:53 ` Jason Gunthorpe
2021-04-11 10:09 ` Max Gurtovoy
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