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| author | Dean Luick <dean.luick@intel.com> | 2016-07-28 15:21:18 -0400 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-08-02 22:46:21 -0400 |
| commit | 7b3256e331270c7de43ccf3879b7c289cdc3ff28 (patch) | |
| tree | d25b92680b6edc3572e4bffd046049c685846c8f /drivers/infiniband/hw/hfi1/user_pages.c | |
| parent | 9da7e9a711e6fbecd111b9873682480c77c64192 (diff) | |
| download | talos-op-linux-7b3256e331270c7de43ccf3879b7c289cdc3ff28.tar.gz talos-op-linux-7b3256e331270c7de43ccf3879b7c289cdc3ff28.zip | |
IB/hfi1: Fix user SDMA racy user request claim
The user SDMA in-use claim bit is in the structure that gets zeroed out
once the claim is made. Move the request in-use flag into its own bit
array and use that for atomic claims. This cleans up the claim code and
removes any race possibility.
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/user_pages.c')
0 files changed, 0 insertions, 0 deletions
