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Date: Sun, 4 Sep 2016 13:01:29 +0300 From: Moni Shoua <monis@...lanox.com> To: Alexey Khoroshilov <khoroshilov@...ras.ru> Cc: Doug Ledford <dledford@...hat.com>, Sean Hefty <sean.hefty@...el.com>, Hal Rosenstock <hal.rosenstock@...il.com>, linux-rdma <linux-rdma@...r.kernel.org>, linux-kernel@...r.kernel.org, ldv-project@...uxtesting.org Subject: Re: [PATCH] IB/rxe: fix GFP_KERNEL in spinlock context On Fri, Sep 2, 2016 at 11:46 PM, Alexey Khoroshilov <khoroshilov@...ras.ru> wrote: > There is skb_clone(skb, GFP_KERNEL) in spinlock context > in rxe_rcv_mcast_pkt(). > > Found by Linux Driver Verification project (linuxtesting.org). > > Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru> > --- > drivers/infiniband/sw/rxe/rxe_recv.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/infiniband/sw/rxe/rxe_recv.c b/drivers/infiniband/sw/rxe/rxe_recv.c > index 3d464c23e08b..144d2f129fcd 100644 > --- a/drivers/infiniband/sw/rxe/rxe_recv.c > +++ b/drivers/infiniband/sw/rxe/rxe_recv.c > @@ -312,7 +312,7 @@ static void rxe_rcv_mcast_pkt(struct rxe_dev *rxe, struct sk_buff *skb) > * make a copy of the skb to post to the next qp > */ > skb_copy = (mce->qp_list.next != &mcg->qp_list) ? > - skb_clone(skb, GFP_KERNEL) : NULL; > + skb_clone(skb, GFP_ATOMIC) : NULL; > > pkt->qp = qp; > rxe_add_ref(qp); > -- > 2.7.4 > Acked-by: Moni Shoua <monis@...lanox.com>
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