From: Jason Gunthorpe <jgg@nvidia.com>
To: ira.weiny@intel.com
Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>,
Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>,
Doug Ledford <dledford@redhat.com>,
Faisal Latif <faisal.latif@intel.com>,
Shiraz Saleem <shiraz.saleem@intel.com>,
Bernard Metzler <bmt@zurich.ibm.com>,
Kamal Heib <kheib@redhat.com>,
linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/4] RDMA/hfi1: Remove use of kmap()
Date: Thu, 24 Jun 2021 15:13:17 -0300 [thread overview]
Message-ID: <20210624181317.GA2915863@nvidia.com> (raw)
In-Reply-To: <20210622061422.2633501-2-ira.weiny@intel.com>
On Mon, Jun 21, 2021 at 11:14:19PM -0700, ira.weiny@intel.com wrote:
> From: Ira Weiny <ira.weiny@intel.com>
>
> kmap() is being deprecated and will break uses of device dax after PKS
> protection is introduced.[1]
>
> The kmap() used in sdma does not need to be global. Use the new
> kmap_local_page() which works with PKS and may provide better
> performance for this thread local mapping anyway.
>
> [1] https://lore.kernel.org/lkml/20201009195033.3208459-59-ira.weiny@intel.com/
>
> Signed-off-by: Ira Weiny <ira.weiny@intel.com>
> ---
> drivers/infiniband/hw/hfi1/sdma.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
Applied to for-next, thanks
Jason
next prev parent reply other threads:[~2021-06-24 18:13 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-22 6:14 [PATCH 0/4] Remove use of kmap() ira.weiny
2021-06-22 6:14 ` [PATCH 1/4] RDMA/hfi1: " ira.weiny
2021-06-24 18:13 ` Jason Gunthorpe [this message]
2021-06-22 6:14 ` [PATCH 2/4] RDMA/i40iw: " ira.weiny
2021-06-22 12:14 ` Jason Gunthorpe
2021-06-22 16:56 ` [PATCH V2] RDMA/irdma: " ira.weiny
2021-06-24 18:13 ` Jason Gunthorpe
2021-06-22 6:14 ` [PATCH 3/4] RDMA/siw: Remove kmap() ira.weiny
2021-07-15 18:00 ` Jason Gunthorpe
2021-06-22 6:14 ` [PATCH 4/4] RDMA/siw: Convert siw_tx_hdt() to kmap_local_page() ira.weiny
2021-06-22 20:34 ` [PATCH V2] " ira.weiny
2021-06-23 22:15 ` [PATCH V3] " ira.weiny
2021-06-24 17:48 ` [PATCH V4] " ira.weiny
2021-07-15 18:00 ` Jason Gunthorpe
2021-06-29 14:11 ` Bernard Metzler
2021-06-29 22:13 ` Ira Weiny
2021-06-24 15:45 ` [PATCH V3] " Bernard Metzler
2021-06-24 17:33 ` Ira Weiny
2021-06-23 14:36 ` [PATCH V2] " Bernard Metzler
2021-06-23 15:34 ` Ira Weiny
2021-06-22 16:42 ` [PATCH 4/4] " Bernard Metzler
2021-06-22 20:39 ` Ira Weiny
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