Searched hist:"911965 ac" (Results 1 – 3 of 3) sorted by relevance
/openbmc/qemu/migration/ |
H A D | trace-events | 911965ac Fri Sep 10 02:02:55 CDT 2021 Li Zhijian <lizhijian@cn.fujitsu.com> migration/rdma: advise prefetch write for ODP region
The responder mr registering with ODP will sent RNR NAK back to the requester in the face of the page fault. --------- ibv_poll_cq wc.status=13 RNR retry counter exceeded! ibv_poll_cq wrid=WRITE RDMA! --------- ibv_advise_mr(3) helps to make pages present before the actual IO is conducted so that the responder does page fault as little as possible.
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com> Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
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H A D | rdma.c | 911965ac Fri Sep 10 02:02:55 CDT 2021 Li Zhijian <lizhijian@cn.fujitsu.com> migration/rdma: advise prefetch write for ODP region
The responder mr registering with ODP will sent RNR NAK back to the requester in the face of the page fault. --------- ibv_poll_cq wc.status=13 RNR retry counter exceeded! ibv_poll_cq wrid=WRITE RDMA! --------- ibv_advise_mr(3) helps to make pages present before the actual IO is conducted so that the responder does page fault as little as possible.
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com> Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
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/openbmc/qemu/ |
H A D | meson.build | 911965ac Fri Sep 10 02:02:55 CDT 2021 Li Zhijian <lizhijian@cn.fujitsu.com> migration/rdma: advise prefetch write for ODP region
The responder mr registering with ODP will sent RNR NAK back to the requester in the face of the page fault. --------- ibv_poll_cq wc.status=13 RNR retry counter exceeded! ibv_poll_cq wrid=WRITE RDMA! --------- ibv_advise_mr(3) helps to make pages present before the actual IO is conducted so that the responder does page fault as little as possible.
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com> Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
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