RE: [PATCH BUGFIX 2/6] pkt_sched: fix the update of eligible-group sets

2013-03-06 Thread David Laight
> Between two invocations of make_eligible, the system virtual time may > happen to grow enough that, in its binary representation, a bit with > higher order than 31 flips. This happens especially with > TSO/GSO. Before this fix, the mask used in make_eligible was computed > as (1UL< a 64-bit

RE: [PATCH BUGFIX 2/6] pkt_sched: fix the update of eligible-group sets

2013-03-06 Thread David Laight
Between two invocations of make_eligible, the system virtual time may happen to grow enough that, in its binary representation, a bit with higher order than 31 flips. This happens especially with TSO/GSO. Before this fix, the mask used in make_eligible was computed as