From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qk1-f182.google.com (mail-qk1-f182.google.com [209.85.222.182]) (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 86A97224245 for ; Tue, 30 Sep 2025 16:38:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759250321; cv=none; b=J3dWnag/bNo+Yln7XPUoBX2efu7ggXHYt6QGUPQ9F3QKRv8vmzd+BWcswxnCscpvxQq94lcPwO2rHaIFVMEoDIzVXi5zEM+vGXbQIegQBbyfNsRAM8utVh0Cp22F1ND0QJoCmTdLnn2NLhfBvas6YKLSTkI4805vFW1vY2GclKU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759250321; c=relaxed/simple; bh=7ZvWWTmbwpz938UNoot7kYAQyxONzvQpdhOgp4f0kCo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=CktsD6+N4G+H0vVfc+09APrnVaL6mKxmb3P4c1+s4ol/txkYVDlrA0ymYmnqc1glhqQKP83DQck8yOSpQQqLlUHmKWKt03rUwVzgR1kL9Y2uqZcTYFahONVVS6uBauOVowu7IDqdeqW8GoElXSqPWfqfw62xWc5MhPF0C2HWCnM= 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=QxSog5oQ; arc=none smtp.client-ip=209.85.222.182 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="QxSog5oQ" Received: by mail-qk1-f182.google.com with SMTP id af79cd13be357-869ecba3bd2so308865185a.0 for ; Tue, 30 Sep 2025 09:38:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; t=1759250318; x=1759855118; darn=vger.kernel.org; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date:from:to :cc:subject:date:message-id:reply-to; bh=xMgANQFX+SgjbJ7utrDVcHclI2GXnTTwQrJXxesWGK0=; b=QxSog5oQqgvxLnngv8jU+x203/kOQ7zDjATvuDF14qUIVMjHN5ZldBQUXyEXnnU4kN uXewgRecH2LdxHNHyZPgIA7NcMm9IH9jwHBlwY+FVw5DfnhkOCQwrxfyatDiN8yIb3nm QjWuIdPAppqdsn0s7FbQW3Lqo4aKEwwFlL1rc1Sg259MIgyht5gvEcmREVej/4fgYIHd WDXddj5iajsW79DTuJIFWkkJA3ksnFksI0q9eMHcuHGly/AsvGl077KPsLj1bMDoj+nT AtB+pxM+QJM4OD7HgOVrAEXhgDdCgfCd9GBia/VUo9cS+4blIE4Cp6eVD9q681zKVQnR CgXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759250318; x=1759855118; h=in-reply-to:content-transfer-encoding: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=xMgANQFX+SgjbJ7utrDVcHclI2GXnTTwQrJXxesWGK0=; b=W6sygldxq3e1JPER54BNVWXFOmVDP9lMxjkI1MMdMQUjkPwazr3vHI3c/CSCeSbhrb qPp/mv4d9SeMlw4JQjURmWh+FBqsud+LHhbImthOX9zKNrweqN7wJYP7FcwNYQ9Xg9yj klsNKW+PACh4QX0pcKVzjoSDOSixom/fu/lzV50jUdXEJvhWolQ6MiCdhg5FuqWREqFR bVsaT5DY4OXm5tjW8x4xDThbYi0YFrnkEgVaK8G+FbaD+eXC9nAq2Yv9OZ9ejob077hN iswj/QOHXskazFiKNdJlZEDytQ2nlbPwvAuV56MMcYM8Lru/1X04wRGTzIW9CtM3Ugw7 CE+A== X-Forwarded-Encrypted: i=1; AJvYcCXaHnzXZZMwhJVIM0KzKhGg9zQc7Zwm85lwybPMusXX+92kd4Rxba7/FjYYUea1ypZpCDs9COseHuc9@vger.kernel.org X-Gm-Message-State: AOJu0Yw6YpP2Thlx6z3hrFP6gkTNqOn3qTQOmEBBHQwCrIkGnr/580Rb DP5gQx3ccR20ZinMIzemQHe8Iw0nA0Gr5+R89SeQEEgRWEwxzq2kcM+qKZBXdkXQo3k= X-Gm-Gg: ASbGncsdXCbVJ/lk6KLJwTTAKXWKuLKqpSAFUmIcDru1PFxGFL4H0+qFbF2UoQQaWCN u0BK/ZgURCceSPg2i2mvUbpM2PSQAZIIsmRKmdYi/0GEEwqstlhjqxL60d59gQLoMmRs1FSw3Z6 n7Tm55dy22pc+o2fImz792dW3/n+b14lzuJ/oXr9lomril+k7f8+2FH4b8kDWlEaVFTm5m5Eujj eUzW4BChN9Vb1gDMHtcZT3t2AvMaD0chk6g/8LzmzRgNAIEM/0Of9MJHR3UYkOVvVFkKwog6r+a FZwqWkEzhq7Uof4LlNRFLyEohSrOGmp0qhWe48cvzwbq/1MXfvQjN/g34NkQCnHTrOaYlTei+3S LSwUgEXoA8h2CgkNZCb83izeRpd58FTc= X-Google-Smtp-Source: AGHT+IHPJOCF3mi5Y/iQEx0Qz4nnWU+loAsRCrx0f3/7Rw3nO0AV/kHYsW/UKUUR5t5JJw+wAlT2Yw== X-Received: by 2002:a05:620a:4544:b0:85b:cd94:71fe with SMTP id af79cd13be357-87374cdab36mr68636085a.33.1759250318426; Tue, 30 Sep 2025 09:38:38 -0700 (PDT) Received: from ziepe.ca ([130.41.10.202]) by smtp.gmail.com with ESMTPSA id af79cd13be357-85c307ad101sm1065322985a.36.2025.09.30.09.38.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Sep 2025 09:38:37 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1v3dN7-0000000Cbmj-1CPI; Tue, 30 Sep 2025 13:38:37 -0300 Date: Tue, 30 Sep 2025 13:38:37 -0300 From: Jason Gunthorpe To: Chris Li Cc: Bjorn Helgaas , Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich , Len Brown , Pasha Tatashin , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, David Matlack , Pasha Tatashin , Jason Miu , Vipin Sharma , Saeed Mahameed , Adithya Jayachandran , Parav Pandit , William Tu , Mike Rapoport , Leon Romanovsky Subject: Re: [PATCH v2 03/10] PCI/LUO: Forward prepare()/freeze()/cancel() callbacks to driver Message-ID: <20250930163837.GQ2695987@ziepe.ca> References: <20250916-luo-pci-v2-0-c494053c3c08@kernel.org> <20250916-luo-pci-v2-3-c494053c3c08@kernel.org> <20250929174831.GJ2695987@ziepe.ca> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Mon, Sep 29, 2025 at 07:11:06PM -0700, Chris Li wrote: > On Mon, Sep 29, 2025 at 10:48 AM Jason Gunthorpe wrote: > > > > On Tue, Sep 16, 2025 at 12:45:11AM -0700, Chris Li wrote: > > > After the list of preserved devices is constructed, the PCI subsystem can > > > now forward the liveupdate request to the driver. > > > > This also seems completely backwards for how iommufd should be > > working. It doesn't want callbacks triggered on prepare, it wants to > > drive everything from its own ioctl. > > This series is about basic PCI device support, not IOMMUFD. > > > Let's just do one thing at a time please and make this series about > > iommufd to match the other luo series for iommufd. > > I am confused by you. > > > non-iommufd cases can be proposed in their own series. > > This is that non-iommufd series. Then don't do generic devices until we get iommufd done and you have a meaningful in-tree driver to consume what you are adding. Jason