On Wed, 2016-04-27 at 23:39 -0400, Soheil Hassas Yeganeh wrote:
> From: Soheil Hassas Yeganeh
>
> The SKBTX_ACK_TSTAMP flag is set in skb_shinfo->tx_flags when
> the timestamp of the TCP acknowledgement should be reported on
> error queue. Since accessing skb_shinfo is likely to incur a
> cache-l
From: Soheil Hassas Yeganeh
The SKBTX_ACK_TSTAMP flag is set in skb_shinfo->tx_flags when
the timestamp of the TCP acknowledgement should be reported on
error queue. Since accessing skb_shinfo is likely to incur a
cache-line miss at the time of receiving the ack, the
txstamp_ack bit was added in
