On 01/11/2017 05:12 PM, hch@xxxxxxxxxxxxx wrote: > On Wed, Jan 11, 2017 at 04:08:31PM +0000, Bart Van Assche wrote: >> A typical Ethernet network adapter delays the generation of an interrupt >> after it has received a packet. A typical block device or HBA does not delay >> the generation of an interrupt that reports an I/O completion. > > NVMe allows for configurable interrupt coalescing, as do a few modern > SCSI HBAs. Essentially every modern SCSI HBA does interrupt coalescing; otherwise the queuing interface won't work efficiently. Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@xxxxxxx +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG Nürnberg) -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
