Re: [RFC 2/6] ipv4: add lockdep condition to fix for_each_entry

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sat 2019-06-01 18:27:34, Joel Fernandes (Google) wrote:
> Signed-off-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>

This really needs to be merged to previous patch, you can't break
compilation in middle of series...

Or probably you need hlist_for_each_entry_rcu_lockdep() macro with
additional argument, and switch users to it.
								Pavel

>  net/ipv4/fib_frontend.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
> index b298255f6fdb..ef7c9f8e8682 100644
> --- a/net/ipv4/fib_frontend.c
> +++ b/net/ipv4/fib_frontend.c
> @@ -127,7 +127,8 @@ struct fib_table *fib_get_table(struct net *net, u32 id)
>  	h = id & (FIB_TABLE_HASHSZ - 1);
>  
>  	head = &net->ipv4.fib_table_hash[h];
> -	hlist_for_each_entry_rcu(tb, head, tb_hlist) {
> +	hlist_for_each_entry_rcu(tb, head, tb_hlist,
> +				 lockdep_rtnl_is_held()) {
>  		if (tb->tb_id == id)
>  			return tb;
>  	}

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

Attachment: signature.asc
Description: Digital signature


[Index of Archives]     [DMA Engine]     [Linux Coverity]     [Linux USB]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Greybus]

  Powered by Linux