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| author | Bjorn Helgaas <bhelgaas@google.com> | 2022-01-13 09:57:44 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2022-01-13 09:57:44 -0600 |
| commit | c6ff0f8dc05fc4137e0bc4a2e2d468430027df98 (patch) | |
| tree | e7ce78d2f29d417bfaefdd2e3c104454cbf5425d /drivers/pci | |
| parent | 446cc1c51a5a562fea13bdf875d77e813615058d (diff) | |
| parent | 69f457b18fa2b9a793ce61e8d1cf295983aca3a9 (diff) | |
| download | linux-c6ff0f8dc05fc4137e0bc4a2e2d468430027df98.tar.bz2 | |
Merge branch 'pci/p2pdma'
- Add Logan Gunthorpe as P2PDMA maintainer (Bjorn Helgaas)
- Optimize by using percpu_ref_tryget_live_rcu() inside RCU critical
section (Christophe JAILLET)
* pci/p2pdma:
PCI/P2PDMA: Use percpu_ref_tryget_live_rcu() inside RCU critical section
MAINTAINERS: Add Logan Gunthorpe as P2PDMA maintainer
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/p2pdma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c index 8d47cb7218d1..081c391690d4 100644 --- a/drivers/pci/p2pdma.c +++ b/drivers/pci/p2pdma.c @@ -710,7 +710,7 @@ void *pci_alloc_p2pmem(struct pci_dev *pdev, size_t size) if (!ret) goto out; - if (unlikely(!percpu_ref_tryget_live(ref))) { + if (unlikely(!percpu_ref_tryget_live_rcu(ref))) { gen_pool_free(p2pdma->pool, (unsigned long) ret, size); ret = NULL; goto out; |