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UCT/IB: Use per-device MR flags in dmabuf capability probe #11826

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UCT/IB: Use per-device MR flags in dmabuf capability probe #11826

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UCT/IB: Use per-device MR flags in dmabuf capability probe
silverwindzack Aug 25, 2026
8d07744
AUTHORS: add Zack Cao
silverwindzack Aug 25, 2026
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1 change: 1 addition & 0 deletions AUTHORS
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Original file line number Diff line number Diff line change
Expand Up @@ -134,6 +134,7 @@ Yihua Xu <yihua.xu@intel.com>
Yiltan Hassan Temucin <yiltan.temucin@amd.com>
Yossi Itigin <yosefe@nvidia.com>
Yuriy Shestakov <yuriis@mellanox.com>
Zack Cao <silverwindcao@gmail.com>
Zhenlong Ma <zhenlongm@nvidia.com>
Zhongkai Zhang <zhzhang@habana.ai>
Zhu Yanjun <yanjunz@mellanox.com>
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2 changes: 1 addition & 1 deletion src/uct/ib/base/ib_md.c
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Expand Up @@ -1320,7 +1320,7 @@ static void uct_ib_md_check_dmabuf(uct_ib_md_t *md)
struct ibv_mr *mr;

mr = ibv_reg_dmabuf_mr(md->pd, 0, ucs_get_page_size(), 0, bad_fd,
UCT_IB_MEM_ACCESS_FLAGS);
md->dev.mr_access_flags);
if (mr != NULL) {
ibv_dereg_mr(mr);
/* dmabuf is supported */
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