On 06/11/2015 07:11 AM, Eric Dumazet wrote:
From: Eric Dumazet
dctcp_alpha can be read by from dctcp_get_info() without
synchro, so use WRITE_ONCE() to prevent compiler from using
dctcp_alpha as a temporary variable.
Also, playing with small dctcp_shift_g (like 1), can expose
an overflow with
From: Eric Dumazet
Date: Wed, 10 Jun 2015 22:11:17 -0700
> From: Eric Dumazet
>
> dctcp_alpha can be read by from dctcp_get_info() without
> synchro, so use WRITE_ONCE() to prevent compiler from using
> dctcp_alpha as a temporary variable.
>
> Also, playing with small dctcp_shift_g (like 1), c
From: Eric Dumazet
dctcp_alpha can be read by from dctcp_get_info() without
synchro, so use WRITE_ONCE() to prevent compiler from using
dctcp_alpha as a temporary variable.
Also, playing with small dctcp_shift_g (like 1), can expose
an overflow with 32bit values shifted 9 times before divide.
U
