Re: [PATCH net-next v6 9/9] xen-netback: Aggregate TX unmap operations

2014-03-04 Thread David Miller
From: Zoltan Kiss Date: Wed, 5 Mar 2014 00:45:49 + > Despite all my efforts to do renumbering right, this subject still > shows 9/9 instead of 10/10. No worries. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org

Re: [PATCH net-next v6 9/9] xen-netback: Aggregate TX unmap operations

2014-03-04 Thread Zoltan Kiss
Despite all my efforts to do renumbering right, this subject still shows 9/9 instead of 10/10. On 04/03/14 22:32, Zoltan Kiss wrote: Unmapping causes TLB flushing, therefore we should make it in the largest possible batches. However we shouldn't starve the guest for too long. So if the guest

[PATCH net-next v6 9/9] xen-netback: Aggregate TX unmap operations

2014-03-04 Thread Zoltan Kiss
Unmapping causes TLB flushing, therefore we should make it in the largest possible batches. However we shouldn't starve the guest for too long. So if the guest has space for at least two big packets and we don't have at least a quarter ring to unmap, delay it for at most 1 milisec. Signed-off-by:

[PATCH net-next v6 9/9] xen-netback: Aggregate TX unmap operations

2014-03-04 Thread Zoltan Kiss
Unmapping causes TLB flushing, therefore we should make it in the largest possible batches. However we shouldn't starve the guest for too long. So if the guest has space for at least two big packets and we don't have at least a quarter ring to unmap, delay it for at most 1 milisec. Signed-off-by:

Re: [PATCH net-next v6 9/9] xen-netback: Aggregate TX unmap operations

2014-03-04 Thread Zoltan Kiss
Despite all my efforts to do renumbering right, this subject still shows 9/9 instead of 10/10. On 04/03/14 22:32, Zoltan Kiss wrote: Unmapping causes TLB flushing, therefore we should make it in the largest possible batches. However we shouldn't starve the guest for too long. So if the guest

Re: [PATCH net-next v6 9/9] xen-netback: Aggregate TX unmap operations

2014-03-04 Thread David Miller
From: Zoltan Kiss zoltan.k...@citrix.com Date: Wed, 5 Mar 2014 00:45:49 + Despite all my efforts to do renumbering right, this subject still shows 9/9 instead of 10/10. No worries. -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to