Re: 2.6.21-rc7: BUG: sleeping function called from invalid context at net/core/sock.c:1523

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On Fri, 11 May 2007, Satyam Sharma wrote:

> (later)
> I Googled a bit to see if this problem was faced elsewhere in the kernel
> too. Saw the following commit by Ingo Molnar
> (9883a13c72dbf8c518814b6091019643cdb34429):
> -	lock_sock(sock->sk);
> +	local_bh_disable();
> +	bh_lock_sock_nested(sock->sk);
> 	rc = selinux_netlbl_socket_setsid(sock, sksec->sid);
> -	release_sock(sock->sk);
> +	bh_unlock_sock(sock->sk);
> +	local_bh_enable();
> Is it _really_ *this* simple?

Hi Satyam,

actually this *seems* to be proper solution also for our case, thanks for 
pointing this out. I will think about it once again, do some more tests 
with this locking scheme, and will let you know.


Jiri Kosina
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