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SubjectRe: [PATCH 3/8] socket: Disentangle SOCK_RCVTSTAMPNS from SOCK_RCVTSTAMP
On Sat, Nov 24, 2018 at 3:59 AM Deepa Dinamani <deepa.kernel@gmail.com> wrote:
>
> SOCK_RCVTSTAMPNS is never set alone. SOCK_RCVTSTAMP
> is always set along with SOCK_RCVTSTAMPNS. This leads to
> checking for two flag states whenever we need to check for
> SOCK_RCVTSTAMPS.
>
> Also SOCK_RCVTSTAMPS was the only flag that needed to be
> checked in order to verify if either of the two flags are
> set. But, the two features are not actually dependent on
> each other. This artificial dependency creates more
> confusion.

This is done so that the hot path only has to check one flag
in the common case where no timestamp is requested.

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