diff options
| author | Christoph Hellwig <hch@lst.de> | 2018-05-17 18:31:46 +0200 |
|---|---|---|
| committer | Keith Busch <keith.busch@intel.com> | 2018-05-18 14:41:35 -0600 |
| commit | 287a63ebbe7c0c1e1c16f7462b4129edf5cd08df (patch) | |
| tree | 17a00bdc514fadeac0e0ad98c1abe7a322d080a0 | |
| parent | cc1d5e749a2e1cf59fa940b976181e631d6985e1 (diff) | |
nvme: mark the result argument to nvme_complete_async_event volatile
We'll need that in the PCIe driver soon as we'll read it straight off the
CQ.
Signed-off-by: Christoph Hellwig <hch@lst.de>
| -rw-r--r-- | drivers/nvme/host/core.c | 2 | ||||
| -rw-r--r-- | drivers/nvme/host/nvme.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 62262fac7a5d..b070c659391f 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -3344,7 +3344,7 @@ static void nvme_fw_act_work(struct work_struct *work) } void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status, - union nvme_result *res) + volatile union nvme_result *res) { u32 result = le32_to_cpu(res->u32); diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 061fecfd44f5..7a872b0d53a7 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -400,7 +400,7 @@ int nvme_sec_submit(void *data, u16 spsp, u8 secp, void *buffer, size_t len, bool send); void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status, - union nvme_result *res); + volatile union nvme_result *res); void nvme_stop_queues(struct nvme_ctrl *ctrl); void nvme_start_queues(struct nvme_ctrl *ctrl); |