Messages in this thread | | | Date | Wed, 15 Dec 2021 15:49:52 -0400 | From | Jason Gunthorpe <> | Subject | Re: [PATCH] RDMA/hfi1: Switch to kvfree_rcu() API |
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On Wed, Dec 15, 2021 at 08:47:38PM +0100, Uladzislau Rezki wrote: > On Wed, Dec 15, 2021 at 12:18:44PM +0100, Uladzislau Rezki (Sony) wrote: > > Instead of invoking a synchronize_rcu() to free a pointer > > after a grace period we can directly make use of new API > > that does the same but in more efficient way. > > > > TO: linux-rdma@vger.kernel.org > > TO: Jason Gunthorpe <jgg@nvidia.com> > > TO: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> > > Acked-by: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> > > Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com> > > drivers/infiniband/hw/hfi1/sdma.c | 3 +-- > > 1 file changed, 1 insertion(+), 2 deletions(-) > > > > diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c > > index f07d328689d3..7264a35e8f4c 100644 > > +++ b/drivers/infiniband/hw/hfi1/sdma.c > > @@ -1292,8 +1292,7 @@ void sdma_clean(struct hfi1_devdata *dd, size_t num_engines) > > sdma_map_free(rcu_access_pointer(dd->sdma_map)); > > RCU_INIT_POINTER(dd->sdma_map, NULL); > > spin_unlock_irq(&dd->sde_map_lock); > > - synchronize_rcu(); > > - kfree(dd->per_sdma); > > + kvfree_rcu(dd->per_sdma); > > dd->per_sdma = NULL; > > > > if (dd->sdma_rht) { > + linux-rdma@vger.kernel.org > + Jason Gunthorpe <jgg@nvidia.com> > + Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
If it is not in the rdma patchworks it won't get applied..
https://patchwork.kernel.org/project/linux-rdma/list/
Jason
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