From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qv1-f43.google.com (mail-qv1-f43.google.com [209.85.219.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 324463C5DCD for ; Wed, 5 Aug 2026 18:37:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.43 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785955026; cv=none; b=REfUy4tSRxdrsIXgleOzAhaQd6pjmMFZyt97AZT3csQCVjdajgbeRBB5KmGeKXDWtK0QsFUv9d46qzGQfKrv8C8Ng2s6xymeTHLdhmgg4LzT3dpLghMH5xd7isV6rYXQEpAwCI4xafyvKl0uQi7g5ONC/UaIuQmKN29j62q8SSo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785955026; c=relaxed/simple; bh=Tf9syscAZW5PE8qDFT2Yh4y+Oi/xeH7ih1X/P3PhvsY=; h=From:Date:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PKRCLFE6XuUTTm+PiXg568zfTHwTFC643IvEANCAocWE5YDFKXtjxry2SpGIWdC+pj+9W3YGx5yKr4yXRdPfRPWNvMhEuICA/Ww3yYBZMOq/BSb4gjUP/Jsj0rGsZYPiDmMLZ5Pltfs8cKKdWvBrG05jvla1evjgjkEkXuzpfpE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ziepe.ca; spf=pass smtp.mailfrom=ziepe.ca; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b=YhID0wqT; arc=none smtp.client-ip=209.85.219.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ziepe.ca Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ziepe.ca Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="YhID0wqT" Received: by mail-qv1-f43.google.com with SMTP id 6a1803df08f44-9061a795d76so13475996d6.3 for ; Wed, 05 Aug 2026 11:37:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; t=1785955024; x=1786559824; darn=lists.linux.dev; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:date:from:from:to:cc:subject :date:message-id:reply-to:content-type; bh=Tf9syscAZW5PE8qDFT2Yh4y+Oi/xeH7ih1X/P3PhvsY=; b=YhID0wqT2ZudbnqUHhGCslZQ5fqx1ozxOebpbEYDcdCLIMwqH9VX83TIJXicapzUtz Y71rpkJO/wJGcPCugZs5Og3xvocBYxc4FA3RZJRs3z1R+u+xwSOF5hgWMFyZNBtUqHf7 BqLnCqpjN1ySEsDOt+X9a8KdSOxJ8pJVyeJhPpKOkTJMfmTwDiq+gbfJuoHml9z0uT1n 8e9M0fqmXyNzWQhMH5FaxcRo9GsGKa7VX9XWmq2YOBjnQsrRCxBhWODH+gXz9pqrhE7a eT9fuq0gYWFRw+OKtsReZbfARZ+9jCRD4ONH/hap+WZrpvS/LanNqj0k7kSDs0p/GszM NWlg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1785955024; x=1786559824; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:date:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=Tf9syscAZW5PE8qDFT2Yh4y+Oi/xeH7ih1X/P3PhvsY=; b=NwSvgGKxvpxb+RIMSO9VWlKep3dZ8Ymq8/arDOneH7rzICJGrfWqvuwfU5yKTM1Igs pF1E434kzdQzjjQV3xh1jkYaHAeYgwKczGFMhfr+Y5UTd1JYjZSpm95ARJujPVpisp82 t6zE5ASHiB66BkYOkOw0OCqjuLOuJjH984CQbb0/EPNEuBCpC8Ffvi5hf48EZJtX/rh9 Jbw0+SLmukm3rlpwbHhSddELmWIdEmrximfxePBAKV+oFvsiaD4T9QICA5iOoeLYTBpl K0qKgQltn2YIi8bj1BV5rVnkA5T+tTFs0IWSrxiMp71KCZJDLIK1DQ7w3ZnbqhO5y1Ni EYKQ== X-Forwarded-Encrypted: i=1; AHgh+Rq9NafI8dCCbiczsfnGw2lZ2wzZkeixmrdiSZxYf0ju8OzzbYg011U+kBF6MjWOEgxzgdtt@lists.linux.dev X-Gm-Message-State: AOJu0Yy5IbHZGEDVnyQ7cL3OYcAingZgS1qSpTIW0Lsro3aocuFRecwZ K7pXbz7Y3I/AvX2xHdsUnTBaQcOosjG9axcDSTzt1GdlGVon6RwDAdHH0Xv0Hfvgzf0= X-Gm-Gg: AR+sD10lvWSolhdOH7APvzNFLlcxMFwVL20E6DMIXrSsHak7JMmH2dNv5xPGWuTdOwC FFw3/RvdqA9SmilOpVy1Jlj+h/eWYHF3ND5waGJCYGhQmxj4o79wxkffzbzkRI0ShZr/IqAIT9l r2bIoUP9uyfT0ZqHA2MnpZ5xXA2BXE2X4guD+U7jNPP/XMAiCIdqsAAHiaHJz4z88wsAY+XR7Y5 ObdIZiQS97b03Mwg3TxuxZyM2A/ZqmF/B3rIDDzHHnaux8jffPL2a0pAwKKvU/kitGQZdeAg7F5 7G5EPhzQCyFldc+hAHXYQMRRvPExpR9cJvQTakr6BIOpj54JTE37+MVs/pIUwLOtlmVAOlLE+4q Y5wDzgL1RAfpWj0wHcpe63yri4c8pr3MCJGU3tUI61PPG0cUT6Q6tgucrcbel6GsWJgZ864oRfC ceKifClCFqph1p/AI09hRcZnP+dUELqc1eHkVEmw== X-Received: by 2002:a05:6214:f08:b0:8f0:a849:f392 with SMTP id 6a1803df08f44-90881203d0cmr103220766d6.14.1785955024046; Wed, 05 Aug 2026 11:37:04 -0700 (PDT) Received: from ziepe.ca ([142.166.156.215]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-9087ff9d807sm31895686d6.2.2026.08.05.11.37.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Aug 2026 11:37:03 -0700 (PDT) From: jgg@ziepe.ca X-Google-Original-From: Jason Gunthorpe , David Matlack Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1wrgUA-00000000Iyd-2zvD; Wed, 05 Aug 2026 15:37:02 -0300 Date: Wed, 5 Aug 2026 15:37:02 -0300 To: Alex Williamson , Justin Stitt , kvm@vger.kernel.org, Leon Romanovsky , linux-kselftest@vger.kernel.org, linux-rdma@vger.kernel.org, llvm@lists.linux.dev, Mark Bloch , Bill Wendling , Nathan Chancellor , Nick Desaulniers , netdev@vger.kernel.org, Saeed Mahameed , Shuah Khan , Tariq Toukan Cc: patches@lists.linux.dev Subject: Re: [PATCH v3 00/11] mlx5 support for VFIO self test Message-ID: <20260805183702.GA72896@nvidia.com> References: <0-v3-76f117ad04f1+28a90-mlx5st_jgg@nvidia.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0-v3-76f117ad04f1+28a90-mlx5st_jgg@nvidia.com> On Thu, Jul 16, 2026 at 02:03:16PM -0300, Jason Gunthorpe wrote: > Add an mlx5 driver to VFIO self test. This is largely a remix of the > existing VFIO mlx5 driver in rdma-core. It uses an RDMA loopback QP > to issue RDMA WRITE operations which effectively perform memory > copies using DMA. Since mlx5 has a stable programming ABI this > should work on devices from CX5 to current HW. The device FW must > support the QP loopback configuration. David I was going to respin this to fix the minor nits, do you have any more feedback or are we good to merge it ? Thanks, Jason