Messages in this thread Patch in this message | | | From | "Uladzislau Rezki (Sony)" <> | Subject | [PATCH] RDMA/hfi1: Switch to kvfree_rcu() API | Date | Wed, 15 Dec 2021 12:18:44 +0100 |
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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 --- a/drivers/infiniband/hw/hfi1/sdma.c +++ 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) { -- 2.30.2
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