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From: "Sean Hefty" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
To: 'Eric Dumazet'
	<eric.dumazet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	"David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
Cc: Linux Netdev List
	<netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Roland Dreier <rolandd-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>,
	Hal Rosenstock
	<hal.rosenstock-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linux-rdma <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: RE: [PATCH] RDMA/addr: Use appropriate locking with for_each_netdev()
Date: Wed, 11 Nov 2009 10:18:47 -0800	[thread overview]
Message-ID: <D5E1FB213939498DBFFEB5A3B83C08AD@amr.corp.intel.com> (raw)
In-Reply-To: <4AF8EBA4.2070102-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

>for_each_netdev() should be used with RTNL or dev_base_lock held,
>or risk a crash.
>
>Signed-off-by: Eric Dumazet <eric.dumazet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

Thanks - I'm working on a patch set in this area.  Roland, I can merge Eric's
changes into that patch set if it makes things easier.

> drivers/infiniband/core/addr.c |    9 +++++++--
> 1 files changed, 7 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
>index bd07803..5ca0b2c 100644
>--- a/drivers/infiniband/core/addr.c
>+++ b/drivers/infiniband/core/addr.c
>@@ -131,6 +131,7 @@ int rdma_translate_ip(struct sockaddr *addr, struct

The changes to this function are still valid.

>@@ -391,15 +393,17 @@ static int addr_resolve_local(struct sockaddr *src_in,

This function is going away.

- Sean

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       reply	other threads:[~2009-11-11 18:18 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4AF8EBA4.2070102@gmail.com>
     [not found] ` <4AF8EBA4.2070102-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2009-11-11 18:18   ` Sean Hefty [this message]
     [not found]     ` <D5E1FB213939498DBFFEB5A3B83C08AD-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-11-11 18:25       ` [PATCH] RDMA/addr: Use appropriate locking with for_each_netdev() Roland Dreier
     [not found]         ` <adaocn8x6j7.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2009-11-11 20:55           ` Sean Hefty
     [not found]             ` <8C10E584257A46DB9A0AD193520CF4A7-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-11-20  5:28               ` Eric Dumazet
     [not found]                 ` <4B0628E0.6000404-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2009-11-20  5:40                   ` Stephen Hemminger
2009-11-20  5:43                     ` Eric Dumazet
2009-11-20  6:48                   ` Roland Dreier
     [not found]                     ` <adak4xl669z.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2009-11-20  6:51                       ` Eric Dumazet
2009-11-23  4:18                         ` Roland Dreier

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