From: David Miller <davem@davemloft.net>
To: mst@redhat.com
Cc: pagupta@redhat.com, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, jasowang@redhat.com, dgibson@redhat.com,
vfalico@gmail.com, edumazet@google.com, vyasevic@redhat.com,
hkchu@google.com, wuzhy@linux.vnet.ibm.com, xemul@parallels.com,
therbert@google.com, bhutchings@solarflare.com, xii@google.com,
stephen@networkplumber.org, jiri@resnulli.us,
sergei.shtylyov@cogentembedded.com
Subject: Re: [PATCH net-net 0/4] Increase the limit of tuntap queues
Date: Sun, 23 Nov 2014 13:43:23 -0500 (EST) [thread overview]
Message-ID: <20141123.134323.1154795102254868842.davem@davemloft.net> (raw)
In-Reply-To: <20141123104623.GA31915@redhat.com>
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Sun, 23 Nov 2014 12:46:23 +0200
> At the moment attaching/detaching queues is an unpriveledged operation.
>
> Shouldn't we worry that an application can cause large
> allocations, and provide a way to limit these?
>
> David, could you comment on this please?
I don't want arbitrary limits imposed.
Where does this "application" run? If it's in the host, then who
cares? If they suck up all of their available memory with queue
resources, it's their problem.
next prev parent reply other threads:[~2014-11-23 18:43 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-18 16:22 [PATCH net-net 0/4] Increase the limit of tuntap queues Pankaj Gupta
2014-11-18 16:22 ` [PATCH net-next 1/4] net: allow large number of rx queues Pankaj Gupta
2014-11-18 20:29 ` Cong Wang
2014-11-20 16:31 ` Pankaj Gupta
2014-11-18 16:22 ` [PATCH net-next 2/4] tuntap: Accept tuntap maximum number of queues as sysctl Pankaj Gupta
2014-11-18 16:22 ` [PATCH net-next 3/4] tuntap: reduce the size of tun_struct by using flex array Pankaj Gupta
2014-11-18 16:22 ` [PATCH net-next 4/4] tuntap: Increase the number of queues in tun Pankaj Gupta
2014-11-19 1:43 ` [PATCH net-net 0/4] Increase the limit of tuntap queues Alexei Starovoitov
2014-11-19 20:16 ` David Miller
2014-11-19 20:44 ` Michael S. Tsirkin
2014-11-23 5:22 ` Pankaj Gupta
2014-11-23 10:46 ` Michael S. Tsirkin
2014-11-23 18:43 ` David Miller [this message]
2014-11-23 20:30 ` Michael S. Tsirkin
2014-11-24 1:23 ` David Miller
2014-11-24 8:02 ` Michael S. Tsirkin
2014-11-24 14:28 ` Pankaj Gupta
2014-11-24 3:23 ` Jason Wang
2014-11-24 7:55 ` Michael S. Tsirkin
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