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Fix RDMA CM DMAH bug

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Resolves: RHEL-134210
Signed-off-by: Kamal Heib <kheib@redhat.com>
This commit is contained in:
Kamal Heib 2026-01-28 16:16:55 -05:00
parent b7ea0dc7d6
commit a65ae49486
2 changed files with 38 additions and 1 deletions
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31
Perftest-Fix-RDMA-CM-DMAH-bug.patch Normal file
View File

@ -0,0 +1,31 @@
From 8b12d44601594f001b54d4a820ad2f4598ae4b3d Mon Sep 17 00:00:00 2001
From: Shmuel Shaul <sshaul@nvidia.com>
Date: Sun, 4 Jan 2026 13:45:41 +0200
Subject: [PATCH] Perftest: Fix RDMA CM DMAH bug
When running with RDMA CM the tph related variables
are reset to 0. this lead to wrong flow of creating DMAH without
requesting it.
Signed-off-by: Shmuel Shaul <sshaul@nvidia.com>
---
src/perftest_communication.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/perftest_communication.c b/src/perftest_communication.c
index 65b5c464cf03..5a54186e3e90 100755
--- a/src/perftest_communication.c
+++ b/src/perftest_communication.c
@@ -1348,6 +1348,9 @@ int create_comm_struct(struct perftest_comm *comm,
comm->rdma_params->use_old_post_send = user_param->use_old_post_send;
comm->rdma_params->source_ip = user_param->source_ip;
comm->rdma_params->has_source_ip = user_param->has_source_ip;
+ comm->rdma_params->tph_mem_type = user_param->tph_mem_type;
+ comm->rdma_params->processing_hints = user_param->processing_hints;
+ comm->rdma_params->cpu_id = user_param->cpu_id;
comm->rdma_params->memory_type = MEMORY_HOST;
comm->rdma_params->memory_create = host_memory_create;
--
2.52.0

8
perftest.spec
View File

@ -5,10 +5,11 @@ Summary: IB Performance Tests
# https://github.com/linux-rdma/perftest/issues/18
%global upstream_ver 25.10.0-0.128
Version: %{lua: print((string.gsub(rpm.expand("%{upstream_ver}"),"-",".")))}
Release: 2%{?dist}
Release: 3%{?dist}
License: GPLv2 or BSD
Source: https://github.com/linux-rdma/perftest/releases/download/25.10.0-0.128/perftest-25.10.0-0.128.gd01b183.tar.gz
Url: https://github.com/linux-rdma/perftest
Patch01: Perftest-Fix-RDMA-CM-DMAH-bug.patch
BuildRequires: make
BuildRequires: gcc
@ -32,6 +33,7 @@ RDMA networks.
%setup -q -n %{name}-%{tarball_ver}
find src -type f -iname '*.[ch]' -exec chmod a-x '{}' ';'
%patch -P 1 -p1
%build
%configure
@ -48,6 +50,10 @@ done
%_bindir/*
%changelog
* Wed Jan 28 2026 Kamal Heib <kheib@redhat.com> - 25.10.0.0.128-3
- Fix RDMA CM DMAH bug
- Resolves: RHEL-134210
* Fri Jan 23 2026 Kamal Heib <kheib@redhat.com> - 25.10.0.0.128-2
- Rebuilt for RHEL-9.8
- Resolves: RHEL-134210