Description of problem:
Avoid zeroing every request structure in virtio-blk.
This is a patch proposed for upstream by Stefan from IBM.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
Have run benchmarks seeing performance boost of 5-20% with this patch applied.
Patch not in upstream yet, but been acked by community. Believe it is very low risk to apply to RHEL6.
Created attachment 414901 [details]
Avoid zeroing every request structure in virtio-blk
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux major release. Product Management has requested further
review of this request by Red Hat Engineering, for potential inclusion in a Red
Hat Enterprise Linux Major release. This request is not yet committed for
Created attachment 422824 [details]
54 vs 61 raw data
As comment #8 & #9 .I close it.