summaryrefslogtreecommitdiff
path: root/drivers/nvme/host/pci.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2018-03-12 12:14:57 +0100
committerIngo Molnar <mingo@kernel.org>2018-03-12 12:14:57 +0100
commit9884afa2fdce71cd35bb79303f9050f0d76e3d03 (patch)
treee4bd1187eee271fd93b8a99c5a951afaa53c4d80 /drivers/nvme/host/pci.c
parentfbfcd0199170984bd3c2812e49ed0fe7b226959a (diff)
parent0c8efd610b58cb23cefdfa12015799079aef94ae (diff)
Merge tag 'v4.16-rc5' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/nvme/host/pci.c')
-rw-r--r--drivers/nvme/host/pci.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 5933a5c732e8..b6f43b738f03 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1153,12 +1153,6 @@ static bool nvme_should_reset(struct nvme_dev *dev, u32 csts)
if (!(csts & NVME_CSTS_CFS) && !nssro)
return false;
- /* If PCI error recovery process is happening, we cannot reset or
- * the recovery mechanism will surely fail.
- */
- if (pci_channel_offline(to_pci_dev(dev->dev)))
- return false;
-
return true;
}
@@ -1189,6 +1183,13 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved)
struct nvme_command cmd;
u32 csts = readl(dev->bar + NVME_REG_CSTS);
+ /* If PCI error recovery process is happening, we cannot reset or
+ * the recovery mechanism will surely fail.
+ */
+ mb();
+ if (pci_channel_offline(to_pci_dev(dev->dev)))
+ return BLK_EH_RESET_TIMER;
+
/*
* Reset immediately if the controller is failed
*/
@@ -1913,7 +1914,7 @@ static int nvme_setup_io_queues(struct nvme_dev *dev)
int result, nr_io_queues;
unsigned long size;
- nr_io_queues = num_present_cpus();
+ nr_io_queues = num_possible_cpus();
result = nvme_set_queue_count(&dev->ctrl, &nr_io_queues);
if (result < 0)
return result;