From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f170.google.com (mail-oi1-f170.google.com [209.85.167.170]) (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 D6C522F2B for ; Mon, 21 Aug 2023 17:06:55 +0000 (UTC) Received: by mail-oi1-f170.google.com with SMTP id 5614622812f47-3a7781225b4so2439113b6e.3 for ; Mon, 21 Aug 2023 10:06:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; t=1692637614; x=1693242414; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=VcpesrdOKBjIBH3tlZ3q44ls+ILnPyIbnyYqKr2W+dE=; b=i6Kb4H1cvgEso7109Gj9Y553yi7GSJelnA0xjnD/VxAY2DUlnrNnvON3JHvIfxm0tM Khe2hq6wX6BQKnboV5ic2Ud2ZF/0lJjL/6ybD+FZbFoyBmonG2o8OrcUvSPMJ/E0DU7Q Sm9u9VdsJcaR6XJk+XU5WXOCjz+L0eyorS9BupLzbzhhqGPNPdABoJl5zSI+K2C5t8S4 u/QKDmkT+DtZrqFJ90SuPsJ+b/skNq3EtbseQZWSRoAjpFiXnxmpeykw/PtavxcZvoOH uFHR/4KkKRLb8Rh6ptTotGQknfASXOc9KV+D42hlAvVcxAPaSFKn4WI9BrKMAac1JOUh mM8Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692637614; x=1693242414; 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=VcpesrdOKBjIBH3tlZ3q44ls+ILnPyIbnyYqKr2W+dE=; b=deqtAsx0HQtbVCDq9+nSibnfplnFVJBwSTKvr9vqaDjDInZqSvhUW8gWYs/ANcaM+T CtVrqyavcb2XV+4DLHcR3Aahi2UYX5MlmjOWt3+Za8UUqbKD4dTA3i1N6n0EHDcQ7QDN nSx9pz2tZJSHMhJjK+zOPGQwN0kK0pu155UcYCgn0iySssIukMiYvIB2yBj0dubxo5zK yXIFW9PRdzn0pylPZBqXTpqe6DnfTqC2y2M5FjoYF+SBDFCJlOaMYYSt1JCJSriTKosr qOyMKDlziCp5I+Y4rIfUQDjls8Gs7/P/HvQGHpO1guVqw9tIMd7ZRsXcWsm9LvdDqb2G q5jg== X-Gm-Message-State: AOJu0Yw8w6IEXFgVn135hFrPFnM8sS8eYRQjgmHn+hP6ZMjwldX2+tHq PWihUS98Nk6sZbaQvgYG45TeRDnJM3PgXRjZ3U8= X-Google-Smtp-Source: AGHT+IG8X+l5Motw2UgXh3Pll87HnD6q0vanSSPX/5vtlKoHrD+t0K/F+xFSEdJ9OFLGAZ+9gB3oFw== X-Received: by 2002:a05:6358:41a3:b0:134:dc90:b7d1 with SMTP id w35-20020a05635841a300b00134dc90b7d1mr5913387rwc.25.1692637614702; Mon, 21 Aug 2023 10:06:54 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-142-68-25-194.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.68.25.194]) by smtp.gmail.com with ESMTPSA id s8-20020a05622a1a8800b004035b79860dsm2455049qtc.81.2023.08.21.10.06.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Aug 2023 10:06:54 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.95) (envelope-from ) id 1qY8Mf-00Dv3E-Ob; Mon, 21 Aug 2023 14:06:53 -0300 Date: Mon, 21 Aug 2023 14:06:53 -0300 From: Jason Gunthorpe To: Lu Baolu Cc: Joerg Roedel , Will Deacon , Robin Murphy , Kevin Tian , Jean-Philippe Brucker , Nicolin Chen , Yi Liu , Jacob Pan , iommu@lists.linux.dev, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 07/11] iommu: Prepare for separating SVA and IOPF Message-ID: References: <20230817234047.195194-1-baolu.lu@linux.intel.com> <20230817234047.195194-8-baolu.lu@linux.intel.com> Precedence: bulk X-Mailing-List: iommu@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: <20230817234047.195194-8-baolu.lu@linux.intel.com> On Fri, Aug 18, 2023 at 07:40:43AM +0800, Lu Baolu wrote: > Move iopf_group data structure to iommu.h. This is being done to make it > a minimal set of faults that a domain's page fault handler should handle. > > Add two new helpers for the domain's page fault handler: > - iopf_free_group: free a fault group after all faults in the group are > handled. > - iopf_queue_work: queue a given work item for a fault group. > > This will simplify the sequential patches. > > Signed-off-by: Lu Baolu > --- > include/linux/iommu.h | 12 ++++++++++ > drivers/iommu/io-pgfault.c | 49 ++++++++++++++++++++++---------------- > 2 files changed, 41 insertions(+), 20 deletions(-) Reviewed-by: Jason Gunthorpe Jason