From nobody Mon Feb 9 10:01:32 2026 Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 445454B1E52; Thu, 15 May 2025 13:40:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747316409; cv=none; b=YjivjaKnn45R1Ra8aJXTiwFbhGiwz7ZxpF0SnZO++ovQmu6raZGmqxW6JABs0TeGhfWvLIqY08PkbgQ+a+olc50HWee4Xbtt9FfnorYQiybCqD0pAx4Bl414yOAkf3wxEEicASjSamvKAyCs26jYEc2LI0l5kV0WArCfLIbIUkk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747316409; c=relaxed/simple; bh=bLsm45s9D0qARSqkBSIJVd3zYZoqeCxjGRV/ULXVIrA=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Ny6r4n7qe3PgZiqGRquCvRZqiidcLcZL0HGKG0M2Cuv5A/JGdlgG/G1xd7/z0lWMe5Z52v9JSC994GP3DPOmFQSbGi7ZSzlQlpS/SGfaa3ENReeAQb/m6SvQC8awzeJsztlj/oHSQlR0Ehg9985CVEK0g/FkwE2kSEr85U+5Mjg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from localhost.localdomain (unknown [124.16.141.245]) by APP-03 (Coremail) with SMTP id rQCowAAXxUGm7iVorh3cFQ--.28807S2; Thu, 15 May 2025 21:39:54 +0800 (CST) From: Wentao Liang To: mustafa.ismail@intel.com, tatyana.e.nikolova@intel.com, jgg@ziepe.ca, leon@kernel.org Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, Wentao Liang , stable@vger.kernel.org Subject: [PATCH] RDMA/irdma: puda: Clear entries after allocation to ensure clean state Date: Thu, 15 May 2025 21:39:28 +0800 Message-ID: <20250515133929.1222-1-vulab@iscas.ac.cn> X-Mailer: git-send-email 2.42.0.windows.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: rQCowAAXxUGm7iVorh3cFQ--.28807S2 X-Coremail-Antispam: 1UD129KBjvJXoW7uw45Zr18Gw4rur18uF1kuFg_yoW8Gry3pa yDJr1q9rZ0qa1UWa1DG393CFW3Xa17Gr9FvrZFk3s3ZF45Jr10qF1kGryj9F4kGr1xuw4x Xrnrtr15C3Wrur7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkG14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26r1j6r1xM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r1j 6r4UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gc CE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E 2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJV W8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lc7CjxVAaw2AFwI0_ JF0_Jw1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67 AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIY rxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14 v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8 JwCI42IY6I8E87Iv6xkF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x0JUf8nOUUU UU= X-CM-SenderInfo: pyxotu46lvutnvoduhdfq/1tbiCQ8DA2glvjRVYQAEsx Content-Type: text/plain; charset="utf-8" The irdma_puda_send() calls the irdma_puda_get_next_send_wqe() to get entries, but does not clear the entries after the function call. This could lead to wqe data inconsistency. A proper implementation can be found in irdma_uk_send(). Add the irdma_clr_wqes() after irdma_puda_get_next_send_wqe(). Add the headfile of the irdma_clr_wqes(). Fixes: a3a06db504d3 ("RDMA/irdma: Add privileged UDA queue implementation") Cc: stable@vger.kernel.org # v5.14 Signed-off-by: Wentao Liang --- drivers/infiniband/hw/irdma/puda.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/infiniband/hw/irdma/puda.c b/drivers/infiniband/hw/ird= ma/puda.c index 7e3f9bca2c23..1d113ad05500 100644 --- a/drivers/infiniband/hw/irdma/puda.c +++ b/drivers/infiniband/hw/irdma/puda.c @@ -7,6 +7,7 @@ #include "protos.h" #include "puda.h" #include "ws.h" +#include "user.h" =20 static void irdma_ieq_receive(struct irdma_sc_vsi *vsi, struct irdma_puda_buf *buf); @@ -444,6 +445,8 @@ int irdma_puda_send(struct irdma_sc_qp *qp, struct irdm= a_puda_send_info *info) if (!wqe) return -ENOMEM; =20 + irdma_clr_wqes(qp, wqe_idx); + qp->qp_uk.sq_wrtrk_array[wqe_idx].wrid =3D (uintptr_t)info->scratch; /* Third line of WQE descriptor */ /* maclen is in words */ --=20 2.42.0.windows.2