#ifndef _RDS_RDS_SINGLE_H #define _RDS_RDS_SINGLE_H #define c_xmit_rm c_path[0].cp_xmit_rm #define c_xmit_sg c_path[0].cp_xmit_sg #define c_xmit_hdr_off c_path[0].cp_xmit_hdr_off #define c_xmit_data_off c_path[0].cp_xmit_data_off #define c_xmit_atomic_sent c_path[0].cp_xmit_atomic_sent #define c_xmit_rdma_sent c_path[0].cp_xmit_rdma_sent #define c_xmit_data_sent c_path[0].cp_xmit_data_sent #define c_lock c_path[0].cp_lock #define c_next_tx_seq c_path[0].cp_next_tx_seq #define c_send_queue c_path[0].cp_send_queue #define c_retrans c_path[0].cp_retrans #define c_next_rx_seq c_path[0].cp_next_rx_seq #define c_transport_data c_path[0].cp_transport_data #define c_state c_path[0].cp_state #define c_send_gen c_path[0].cp_send_gen #define c_flags c_path[0].cp_flags #define c_reconnect_jiffies c_path[0].cp_reconnect_jiffies #define c_send_w c_path[0].cp_send_w #define c_recv_w c_path[0].cp_recv_w #define c_conn_w c_path[0].cp_conn_w #define c_down_w c_path[0].cp_down_w #define c_cm_lock c_path[0].cp_cm_lock #define c_waitq c_path[0].cp_waitq #define c_unacked_packets c_path[0].cp_unacked_packets #define c_unacked_bytes c_path[0].cp_unacked_bytes #endif /* _RDS_RDS_SINGLE_H */ p-back net-next plumbingsTobias Klauser
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t info' class='commit-info'>
authorDexuan Cui <decui@microsoft.com>2017-01-28 11:46:02 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-31 10:59:48 +0100
commit433e19cf33d34bb6751c874a9c00980552fe508c (patch)
treece6547ef2987fbb289fa28f03536328a42781651 /sound/usb
parent191e885a2e130e639bb0c8ee350d7047294f2ce6 (diff)
Drivers: hv: vmbus: finally fix hv_need_to_signal_on_read()
Commit a389fcfd2cb5 ("Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()") added the proper mb(), but removed the test "prev_write_sz < pending_sz" when making the signal decision. As a result, the guest can signal the host unnecessarily, and then the host can throttle the guest because the host thinks the guest is buggy or malicious; finally the user running stress test can perceive intermittent freeze of the guest. This patch brings back the test, and properly handles the in-place consumption APIs used by NetVSC (see get_next_pkt_raw(), put_pkt_raw() and commit_rd_index()). Fixes: a389fcfd2cb5 ("Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()") Signed-off-by: Dexuan Cui <decui@microsoft.com> Reported-by: Rolf Neugebauer <rolf.neugebauer@docker.com> Tested-by: Rolf Neugebauer <rolf.neugebauer@docker.com> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Stephen Hemminger <sthemmin@microsoft.com> Cc: <stable@vger.kernel.org> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/usb')