Re: [PATCH] ipv4: fix the rcu race between free_fib_info and ip_route_output_slow

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Subject: Re: [PATCH] ipv4: fix the rcu race between free_fib_info and ip_route_output_slow
From: Eric Dumazet <eric.dumazet@xxxxxxxxx>
Date: Wed, 23 May 2012 08:27:39 +0200
Cc: David Miller <davem@xxxxxxxxxxxxx>, kunx.jiang@xxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <1337753757.14538.190.camel@ymzhang.sh.intel.com>

On Wed, 2012-05-23 at 14:15 +0800, Yanmin Zhang wrote:

> 
> Besides fi->fib_dev here, we need check fi->fib_hash, fi->fib_lhash,
> and nexthop_nh->nh_hash.

No, its not needed.

I am sending a patch, because I feel this area is too complex for non
netdev guys.



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Follow-Ups:
- Re: [PATCH] ipv4: fix the rcu race between free_fib_info and ip_route_output_slow
  - From: Yanmin Zhang

References:
- [PATCH] ipv4: fix the rcu race between free_fib_info and ip_route_output_slow
  - From: kun.jiang
- Re: [PATCH] ipv4: fix the rcu race between free_fib_info and ip_route_output_slow
  - From: David Miller
- Re: [PATCH] ipv4: fix the rcu race between free_fib_info and ip_route_output_slow
  - From: Yanmin Zhang
- Re: [PATCH] ipv4: fix the rcu race between free_fib_info and ip_route_output_slow
  - From: David Miller
- Re: [PATCH] ipv4: fix the rcu race between free_fib_info and ip_route_output_slow
  - From: Eric Dumazet
- Re: [PATCH] ipv4: fix the rcu race between free_fib_info and ip_route_output_slow
  - From: Yanmin Zhang
- Re: [PATCH] ipv4: fix the rcu race between free_fib_info and ip_route_output_slow
  - From: Eric Dumazet
- Re: [PATCH] ipv4: fix the rcu race between free_fib_info and ip_route_output_slow
  - From: Yanmin Zhang

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