From nobody Thu Apr 2 22:08:39 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6B18A352921; Fri, 13 Feb 2026 10:59:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770980369; cv=none; b=M6YiApUcIUKnB0BHTrGhhkas4GKHPzLZrfxLEPShN/n/00/Iep8fSu+rvicEBaeuOPNtqjIihS0ggZrogsHgnXv8XXsunus2X+L+IMVNPOKHZejhnw9MNKQicfgOYUt1Dd7QE2Aju5sz+thKWWG9YgoJBfwyvjzSKOtJpOnSlqk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770980369; c=relaxed/simple; bh=i/qKvrjNfvmFI1sFm/qwVSuao4YeuySQMuQRd70krlo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=bt6suvXGAATiDwGxwkaVsskQkIVI+0/BhjtKbwMZd52wKy1t4dYWsVWefvaKudxXg7xW4R0WRCVj3QUVBHfT44ns5WuIOxoeyiNw7Zw2BQxDe/nQ7YmCvfqa06LbnCgbyxJ4N6syeA8tQJM/FEoT6VZh6v2cTukbee9NKinPvnc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VKXiziMZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VKXiziMZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4DCD2C116C6; Fri, 13 Feb 2026 10:59:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770980369; bh=i/qKvrjNfvmFI1sFm/qwVSuao4YeuySQMuQRd70krlo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VKXiziMZYUNuGfCQ0RULIqDte/ZGcOWiRPBH84iwuWflzmGecugR/bfnatOMUSehV fVLtP8JQ+333JomO+2dkf4vdI4/vn/IgNGR0aGDqoLPcYovkOZKa9pmiECk2V47aN3 VSADKx5ijPiFho1qXXXHq7s2Vh5E+H7SKWWZkLTOPyEDwW8zRNFc5G7FQrhMdezaU+ LHP9mn4ATVmhFM0u/Q4i35r03D4z9Yj5QQWp2k7NkAHc7fETVSOvY0LaSv5wK2uksa fHmy/Ctd60nrAYatFEddhV2R5/U3UBYX6KHEThdswPFFxbBQYuGUSEnQplzxN8ye0K ZZo6BNUEwCfsw== From: Leon Romanovsky To: Jason Gunthorpe , Leon Romanovsky , Selvin Xavier , Kalesh AP , Potnuri Bharat Teja , Michael Margolin , Gal Pressman , Yossi Leybovich , Cheng Xu , Kai Shen , Chengchang Tang , Junxian Huang , Abhijit Gangurde , Allen Hubbe , Krzysztof Czurylo , Tatyana Nikolova , Long Li , Konstantin Taranov , Yishai Hadas , Michal Kalderon , Bryan Tan , Vishnu Dasa , Broadcom internal kernel review list , Christian Benvenuti , Nelson Escobar , Dennis Dalessandro , Bernard Metzler , Zhu Yanjun Cc: linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, linux-hyperv@vger.kernel.org Subject: =?utf-8?q?=5BPATCH_rdma-next_06/50=5D_RDMA/efa=3A_Rely_on_CPU_ad?= =?utf-8?q?dress_in_create=E2=80=91QP?= Date: Fri, 13 Feb 2026 12:57:42 +0200 Message-ID: <20260213-refactor-umem-v1-6-f3be85847922@nvidia.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260213-refactor-umem-v1-0-f3be85847922@nvidia.com> References: <20260213-refactor-umem-v1-0-f3be85847922@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.15-dev-47773 Content-Transfer-Encoding: quoted-printable From: Leon Romanovsky Align this code with other locations where efa_free_mapped() depends on the presence of a valid CPU address, which is guaranteed when qp->rq_size !=3D = 0. Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/efa/efa_verbs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/= efa/efa_verbs.c index ae9b98b4b528..bc69aef3e436 100644 --- a/drivers/infiniband/hw/efa/efa_verbs.c +++ b/drivers/infiniband/hw/efa/efa_verbs.c @@ -579,7 +579,7 @@ static int qp_mmap_entries_setup(struct efa_qp *qp, =20 resp->llq_desc_offset &=3D ~PAGE_MASK; =20 - if (qp->rq_size) { + if (qp->rq_cpu_addr) { address =3D dev->db_bar_addr + resp->rq_db_offset; =20 qp->rq_db_mmap_entry =3D @@ -828,7 +828,7 @@ int efa_create_qp(struct ib_qp *ibqp, struct ib_qp_init= _attr *init_attr, err_destroy_qp: efa_destroy_qp_handle(dev, create_qp_resp.qp_handle); err_free_mapped: - if (qp->rq_size) + if (qp->rq_cpu_addr) efa_free_mapped(dev, qp->rq_cpu_addr, qp->rq_dma_addr, qp->rq_size, DMA_TO_DEVICE); err_out: --=20 2.52.0