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prov/efa: Abort for MR > 4GB #10515

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prov/efa: Abort for MR > 4GB #10515

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6 changes: 6 additions & 0 deletions prov/efa/src/efa_mr.c
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Original file line number Diff line number Diff line change
Expand Up @@ -831,6 +831,12 @@ static int efa_mr_reg_impl(struct efa_mr *efa_mr, uint64_t flags, const void *at
}
efa_mr->domain->ibv_mr_reg_ct++;
efa_mr->domain->ibv_mr_reg_sz += efa_mr->ibv_mr->length;
if (efa_mr->ibv_mr->length >= (size_t) BIT(32)) {
fprintf(stderr,
"mr >4GB.\n"
"Your application will now abort.\n");
abort();
}
EFA_INFO(FI_LOG_MR, "Registered memory of size %zu for ibv pd %p, total mr reg size %zu, mr reg count %zu\n",
efa_mr->ibv_mr->length, efa_mr->domain->ibv_pd, efa_mr->domain->ibv_mr_reg_sz, efa_mr->domain->ibv_mr_reg_ct);
efa_mr->mr_fid.key = efa_mr->ibv_mr->rkey;
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