On Sat, Oct 11, 2014 at 11:25:14PM +0100, Thomas Graf wrote:
> On 10/11/14 at 12:32pm, Eric Dumazet wrote:
> > On Sat, 2014-10-11 at 10:36 +0200, Heiko Carstens wrote:
> > > Hi all,
> > >
> > > it just came to my attention that commit e341694e3eb5
> > > "netlink: Convert netlink_lookup() to use RC
From: Thomas Graf
Date: Sat, 11 Oct 2014 23:25:14 +0100
> I think the issue here is obvious and a fix is on the way to move
> the insertion and removal to a worker to no longer require the
> synchronize_rcu().
>
> What bothers me is that the synchronize_rcu() should only occur
> on expand/shrink
On 10/11/14 at 12:32pm, Eric Dumazet wrote:
> On Sat, 2014-10-11 at 10:36 +0200, Heiko Carstens wrote:
> > Hi all,
> >
> > it just came to my attention that commit e341694e3eb5
> > "netlink: Convert netlink_lookup() to use RCU protected hash table"
> > causes network latencies for me on s390.
> >
On Sat, 2014-10-11 at 10:36 +0200, Heiko Carstens wrote:
> Hi all,
>
> it just came to my attention that commit e341694e3eb5
> "netlink: Convert netlink_lookup() to use RCU protected hash table"
> causes network latencies for me on s390.
>
> The testcase is quite simple and 100% reproducible on s
Hi all,
it just came to my attention that commit e341694e3eb5
"netlink: Convert netlink_lookup() to use RCU protected hash table"
causes network latencies for me on s390.
The testcase is quite simple and 100% reproducible on s390:
Simply login via ssh to a remote system which has the above menti
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