While we setup MSI or MSI-X for specific PCI device, the address of MSI or MSI-X capability structure is figured out from the config space for multiple times. That's unnecessary and the patchset addresses that. With the patchset applied, the latency for MSI or MSI-X setup would be decreased hopefully. v1 -> v2: * Cache the MSI/MSI-X capability offset to pci_dev directly according to Bjorn's suggestion. * Rebase to 3.9.RC5 drivers/pci/msi.c | 102 +++++++++++++++++++++++++-------------------------- include/linux/pci.h | 2 + 2 files changed, 52 insertions(+), 52 deletions(-) Thanks, Gavin -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
