On Wed, 18 Mar 2015, Alexander Sverdlin wrote: > udelay() in PCI/PCIe read/write callbacks cause 30ms IRQ latency on Octeon > platforms because these operations are called from PCI_OP_READ() and > PCI_OP_WRITE() under raw_spin_lock_irqsave(). > > Signed-off-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx> I have no idea about the octeon platform, but how do you deal with the fact that is stated by the comment you are removing? I.e. /* Some PCI cards require delays when accessing config space. */ Is that not the case any more for some reason? If not, it really needs to be explained in the changelog. -- Jiri Kosina SUSE Labs
