From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 397DE2E63D for ; Tue, 7 Nov 2023 14:30:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Of4PASZj" Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 27CE598 for ; Tue, 7 Nov 2023 06:30:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1699367431; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=0BEK4Nq2797qPXi5hUhUOD+w7Yxl1Y5y6keCDboqBnw=; b=Of4PASZjPYtpcx7NaEMxBZk8sa21j4tPyCox960KCw1SRFDq6fyBYirTpQwXvG56TRQ5ZO Rdphcb1uqHZisgU16dif/C64RhKLCAnMjCYPSnFnplKf0zuzF+G9lRODXNg3XqML5bAMWc 4UaX0SLfU+fezPOAkyOpD9LxwxnXvVs= Received: from mail-lf1-f72.google.com (mail-lf1-f72.google.com [209.85.167.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-426-kk1KB_C2OYyTwQqYDYt9ww-1; Tue, 07 Nov 2023 09:30:27 -0500 X-MC-Unique: kk1KB_C2OYyTwQqYDYt9ww-1 Received: by mail-lf1-f72.google.com with SMTP id 2adb3069b0e04-507b8ac8007so6212987e87.0 for ; Tue, 07 Nov 2023 06:30:27 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699367426; x=1699972226; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=0BEK4Nq2797qPXi5hUhUOD+w7Yxl1Y5y6keCDboqBnw=; b=awKfHB9G6Asd34HZCvCz2m+hSUaYKVDBlvqpPSh+BiVyM3wkirxeqygqA+8EWpwcgv MdhHiGw73JcZfgjo9PnjjPi72s2dz+AHp6rMf2IkLuoQK1HuJemQQhuf6Fmv6vjPJaL6 hJlrNCujqm4dyEnMMUJwtlMQcK6/T7Uu787dDBWFfh3dwNx5mmOZSQSqVmRrk6G3R0df vnLy+RHg4oBXemunB2gA33sZ+HN08MUzxQBLCzpta7M936gbNknrRnY1rBUhBPHndRw5 z+iql8kxkY1DQcNyn6dxN/DfS5rHhGf0aEGpBxoAEdG96PhSfDQFEwR4CaAtSbrRXpup nZJQ== X-Gm-Message-State: AOJu0Yy2rLl929B7WnaUkGkHVGvY4ckAHhhTcTeSJ+qG+5IRLkgQgSbG ELWOS/pD3OgVTzZ7dTT0Kt6QrcQMPHUtpPTdkWsYhjMhRFLyRYHVvhXU1XN6DMJs24wiOeQBS6i nS8h0w9LFz3J8EAjb X-Received: by 2002:ac2:488e:0:b0:500:7cab:efc3 with SMTP id x14-20020ac2488e000000b005007cabefc3mr23998199lfc.11.1699367426350; Tue, 07 Nov 2023 06:30:26 -0800 (PST) X-Google-Smtp-Source: AGHT+IFJy8gOlznCOc9sukgGEsAedAcGzp6nnH6baVR5lODsEIZgCRdZq2T6s/WT4PvnZAwy92AFJA== X-Received: by 2002:ac2:488e:0:b0:500:7cab:efc3 with SMTP id x14-20020ac2488e000000b005007cabefc3mr23998175lfc.11.1699367425918; Tue, 07 Nov 2023 06:30:25 -0800 (PST) Received: from redhat.com ([2a02:14f:1f1:373a:140:63a8:a31c:ab2a]) by smtp.gmail.com with ESMTPSA id a6-20020a056000100600b0031984b370f2sm2499881wrx.47.2023.11.07.06.30.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Nov 2023 06:30:25 -0800 (PST) Date: Tue, 7 Nov 2023 09:30:21 -0500 From: "Michael S. Tsirkin" To: Jason Gunthorpe Cc: Cindy Lu , jasowang@redhat.com, yi.l.liu@intel.com, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org Subject: Re: [RFC v1 0/8] vhost-vdpa: add support for iommufd Message-ID: <20231107092551-mutt-send-email-mst@kernel.org> References: <20231103171641.1703146-1-lulu@redhat.com> <20231107022847-mutt-send-email-mst@kernel.org> <20231107124902.GJ4488@nvidia.com> <20231107082343-mutt-send-email-mst@kernel.org> <20231107141237.GO4488@nvidia.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231107141237.GO4488@nvidia.com> On Tue, Nov 07, 2023 at 10:12:37AM -0400, Jason Gunthorpe wrote: > Big company's should take the responsibility to train and provide > skill development for their own staff. That would result in a beautiful cathedral of a patch. I know this is how some companies work. We are doing more of a bazaar thing here, though. In a bunch of subsystems it seems that you don't get the necessary skills until you have been publically shouted at by maintainers - better to start early ;). Not a nice environment for novices, for sure. -- MST