From: Stephen Hemminger <stephen@networkplumber.org>
To: Igor Ryzhov <iryzhov@nfware.com>
Cc: Elad Nachman <eladv6@gmail.com>,
Ferruh Yigit <ferruh.yigit@intel.com>, dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 2/2] kni: fix rtnl deadlocks and race conditions v3
Date: Wed, 24 Feb 2021 07:54:56 -0800 [thread overview]
Message-ID: <20210224075456.361a1b14@hermes.local> (raw)
In-Reply-To: <CAF+s_Fza_63+4jL9anOEuBPgt+0WdicaWu9JfUOmr3vK-Qkr2Q@mail.gmail.com>
On Wed, 24 Feb 2021 15:49:49 +0300
Igor Ryzhov <iryzhov@nfware.com> wrote:
> This looks more like a hack than an actual fix to me.
>
> After this commit:
> "ip link set up" is sent to the userspace with unlocked rtnl_lock
> "ip link set down" is sent to the userspace with locked rtnl_lock
Calling userspace with rtnl held is a recipe for disaster
next prev parent reply other threads:[~2021-02-24 15:55 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-26 14:46 [dpdk-dev] [PATCH] kni: fix rtnl deadlocks and race conditions Elad Nachman
2021-02-19 18:41 ` Ferruh Yigit
2021-02-21 8:03 ` Elad Nachman
2021-02-22 15:58 ` Ferruh Yigit
2021-02-23 12:05 ` [dpdk-dev] [PATCH V2] kni: fix rtnl deadlocks and race conditions v2 Elad Nachman
2021-02-23 12:53 ` Ferruh Yigit
2021-02-23 13:44 ` [dpdk-dev] [PATCH 1/2] kni: fix rtnl deadlocks and race conditions v3 Elad Nachman
2021-02-23 13:45 ` [dpdk-dev] [PATCH 2/2] " Elad Nachman
2021-02-24 12:49 ` Igor Ryzhov
2021-02-24 13:33 ` Elad Nachman
2021-02-24 14:04 ` Igor Ryzhov
2021-02-24 14:06 ` Elad Nachman
2021-02-24 14:41 ` Igor Ryzhov
2021-02-24 14:56 ` Elad Nachman
2021-02-24 15:18 ` Igor Ryzhov
[not found] ` <CACXF7qkhkzFc-=v=iiBzh2V7rLjk1U34VUfPbNrnYJND_0TKHQ@mail.gmail.com>
2021-02-24 16:31 ` Igor Ryzhov
2021-02-24 15:54 ` Stephen Hemminger [this message]
2021-02-25 14:32 ` [dpdk-dev] [PATCH 1/2] kni: fix kernel deadlock when using mlx devices Elad Nachman
2021-02-25 14:32 ` [dpdk-dev] [PATCH 2/2] kni: fix rtnl deadlocks and race conditions v4 Elad Nachman
2021-02-25 21:01 ` Igor Ryzhov
2021-02-26 15:48 ` Stephen Hemminger
2021-02-26 17:43 ` Elad Nachman
2021-03-01 8:10 ` Igor Ryzhov
2021-03-01 16:38 ` Stephen Hemminger
2021-03-15 16:58 ` Ferruh Yigit
2021-03-01 20:27 ` Dan Gora
2021-03-01 21:26 ` Dan Gora
2021-03-02 16:44 ` Elad Nachman
2021-03-15 17:17 ` Ferruh Yigit
2021-03-16 18:35 ` Elad Nachman
2021-03-16 18:42 ` Ferruh Yigit
2021-03-15 17:17 ` [dpdk-dev] [PATCH 1/2] kni: fix kernel deadlock when using mlx devices Ferruh Yigit
2021-03-29 14:36 ` [dpdk-dev] [PATCH v5 1/3] kni: refactor user request processing Ferruh Yigit
2021-03-29 14:36 ` [dpdk-dev] [PATCH v5 2/3] kni: support async user request Ferruh Yigit
2021-03-29 14:36 ` [dpdk-dev] [PATCH v5 3/3] kni: fix kernel deadlock when using mlx devices Ferruh Yigit
2021-04-09 14:56 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
2021-04-12 14:35 ` Elad Nachman
2021-04-20 23:07 ` Thomas Monjalon
2021-04-23 8:41 ` Igor Ryzhov
2021-04-23 8:59 ` Ferruh Yigit
2021-04-23 12:43 ` Igor Ryzhov
2021-04-23 12:58 ` Igor Ryzhov
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