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author | Keith Busch <keith.busch@intel.com> | 2018-09-18 17:58:44 -0600 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2018-10-08 12:18:13 -0500 |
commit | ecae65e133f2e0647e6364d691130ff551382d91 (patch) | |
tree | fec941999d4eae75b2a66cc4cd8a10aff5d080ac /drivers/pci/pcie/aer.c | |
parent | 27c1ce8bbed7e7f0e4a87cf4a93f09be26d62ada (diff) | |
download | linux-stable-ecae65e133f2e0647e6364d691130ff551382d91.tar.gz linux-stable-ecae65e133f2e0647e6364d691130ff551382d91.tar.bz2 linux-stable-ecae65e133f2e0647e6364d691130ff551382d91.zip |
PCI/AER: Use kfifo_in_spinlocked() to insert locked elements
Use the recommended kernel API for writing to a concurrently-accessed
kfifo. No functional change here.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/pcie/aer.c')
-rw-r--r-- | drivers/pci/pcie/aer.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index 122a78197172..f70ee6dfb79e 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -1063,7 +1063,6 @@ static DECLARE_WORK(aer_recover_work, aer_recover_work_func); void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn, int severity, struct aer_capability_regs *aer_regs) { - unsigned long flags; struct aer_recover_entry entry = { .bus = bus, .devfn = devfn, @@ -1072,13 +1071,12 @@ void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn, .regs = aer_regs, }; - spin_lock_irqsave(&aer_recover_ring_lock, flags); - if (kfifo_put(&aer_recover_ring, entry)) + if (kfifo_in_spinlocked(&aer_recover_ring, &entry, sizeof(entry), + &aer_recover_ring_lock)) schedule_work(&aer_recover_work); else pr_err("AER recover: Buffer overflow when recovering AER for %04x:%02x:%02x:%x\n", domain, bus, PCI_SLOT(devfn), PCI_FUNC(devfn)); - spin_unlock_irqrestore(&aer_recover_ring_lock, flags); } EXPORT_SYMBOL_GPL(aer_recover_queue); #endif |