diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2020-05-20 03:40:09 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-05-20 03:40:09 -0400 |
| commit | 9d5272f5e36155bcead69417fd12e98624e7faef (patch) | |
| tree | 770af81c03932ad4e508a12cca6f83fbb3527689 /drivers/nvme/host/pci.c | |
| parent | febd668d375caf13a7fcd93b3498366854de854a (diff) | |
| parent | 3a7c8fafd1b42adea229fd204132f6a2fb3cd2d9 (diff) | |
Merge tag 'noinstr-x86-kvm-2020-05-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into HEAD
Diffstat (limited to 'drivers/nvme/host/pci.c')
| -rw-r--r-- | drivers/nvme/host/pci.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 4e79e412b276..e13c370de830 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -973,9 +973,13 @@ static inline void nvme_handle_cqe(struct nvme_queue *nvmeq, u16 idx) static inline void nvme_update_cq_head(struct nvme_queue *nvmeq) { - if (++nvmeq->cq_head == nvmeq->q_depth) { + u16 tmp = nvmeq->cq_head + 1; + + if (tmp == nvmeq->q_depth) { nvmeq->cq_head = 0; nvmeq->cq_phase ^= 1; + } else { + nvmeq->cq_head = tmp; } } |