> From: linux-rdma-owner@xxxxxxxxxxxxxxx [mailto:linux-rdma- > owner@xxxxxxxxxxxxxxx] On Behalf Of kaike.wan@xxxxxxxxx > Sent: Friday, October 30, 2015 8:24 AM > To: linux-rdma@xxxxxxxxxxxxxxx > Cc: Wan, Kaike > Subject: [PATCH v2 1/1] IB/sa: Put netlink request into the request list before > sending > > From: Kaike Wan <kaike.wan@xxxxxxxxx> > > It was found by Saurabh Sengar that the netlink code tried to allocate > memory with GFP_KERNEL while holding a spinlock. While it is possible to fix > the issue by replacing GFP_KERNEL with GFP_ATOMIC, it is better to get rid > of the spinlock while sending the packet. However, in order to protect > against a race condition that a quick response may be received before the > request is put on the request list, we need to put the request on the list first. > > Signed-off-by: Kaike Wan <kaike.wan@xxxxxxxxx> > --- Reported-by: Saurabh Sengar <saurabh.truth@xxxxxxxxx> Kaike -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
