Re: Using random in interrupts for RT

2012-08-21 Thread Ben Hutchings
On Tue, Aug 21, 2012 at 02:12:13PM -0400, Steven Rostedt wrote: > On Tue, 2012-08-14 at 10:30 -0400, Steven Rostedt wrote: > > Thomas, > > > > Ben Hutchings asked me if we still need "genirq: Disable random call on > > preempt-rt" for -rt? With commit 902c098a366 "random: use lockless > > techniqu

Re: Using random in interrupts for RT

2012-08-21 Thread Steven Rostedt
On Tue, 2012-08-14 at 10:30 -0400, Steven Rostedt wrote: > Thomas, > > Ben Hutchings asked me if we still need "genirq: Disable random call on > preempt-rt" for -rt? With commit 902c098a366 "random: use lockless > techniques in the interrupt path" there is no more locks used. But does > it still p

Re: Using random in interrupts for RT

2012-08-14 Thread Thomas Gleixner
On Tue, 14 Aug 2012, Steven Rostedt wrote: > Ben Hutchings asked me if we still need "genirq: Disable random call on > preempt-rt" for -rt? With commit 902c098a366 "random: use lockless > techniques in the interrupt path" there is no more locks used. But does > it still produce high latencies? Hav

Using random in interrupts for RT

2012-08-14 Thread Steven Rostedt
Thomas, Ben Hutchings asked me if we still need "genirq: Disable random call on preempt-rt" for -rt? With commit 902c098a366 "random: use lockless techniques in the interrupt path" there is no more locks used. But does it still produce high latencies? -- Steve -- To unsubscribe from this list: