PCI_CFG_ACCESS_LOCK(9) Hardware Interfaces PCI_CFG_ACCESS_LOCK(9) NAME pci_cfg_access_lock - Lock PCI config reads/writes SYNOPSIS void pci_cfg_access_lock(struct pci_dev * dev); ARGUMENTS dev pci device struct DESCRIPTION When access is locked, any userspace reads or writes to config space and concurrent lock requests will sleep until access is allowed via pci_cfg_access_unlocked again. COPYRIGHT Kernel Hackers Manual 3.11 November 2013 PCI_CFG_ACCESS_LOCK(9)[top]
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