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Commit 75ba28c6 authored by Herbert Xu's avatar Herbert Xu Committed by David S. Miller
Browse files

[IPSEC]: Remove gratuitous km wake-up events on ACQUIRE 



There is no point in waking people up when creating/updating larval states
because they'll just go back to sleep again as larval states by definition
cannot be found by xfrm_state_find.

We should only wake them up when the larvals mature or die.

Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 007f0211

net/xfrm/xfrm_state.c

+0 −2
Original line number Diff line number Diff line
@@ -848,7 +848,6 @@ static struct xfrm_state *__find_acq_core(unsigned short family, u8 mode, u32 re 
		hlist_add_head(&x->bydst, xfrm_state_bydst+h);

		h = xfrm_src_hash(daddr, saddr, family);

		hlist_add_head(&x->bysrc, xfrm_state_bysrc+h);

		wake_up(&km_waitq);



		xfrm_state_num++;
@@ -1311,7 +1310,6 @@ xfrm_alloc_spi(struct xfrm_state *x, __be32 minspi, __be32 maxspi) 
		h = xfrm_spi_hash(&x->id.daddr, x->id.spi, x->id.proto, x->props.family);

		hlist_add_head(&x->byspi, xfrm_state_byspi+h);

		spin_unlock_bh(&xfrm_state_lock);

		wake_up(&km_waitq);

	}

}

EXPORT_SYMBOL(xfrm_alloc_spi);