From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qk1-f177.google.com (mail-qk1-f177.google.com [209.85.222.177]) (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 03090125D7 for ; Fri, 1 Dec 2023 15:42:32 +0000 (UTC) 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="WImM6cab" Received: by mail-qk1-f177.google.com with SMTP id af79cd13be357-77bcbc14899so117753185a.1 for ; Fri, 01 Dec 2023 07:42:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; t=1701445352; x=1702050152; darn=lists.linux.dev; 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=M5OluPhgDT3nAw0/mpsAOoQF2zqQkql7YLDt75eO1Ow=; b=WImM6cabZvEYHGeBEc5SLM2yMvdu0ujxftBJkiSslnGYT1eKWYMjmqClbRwxLOErwA U+HB4dBbeoNpO1mOgmCCqL977XlwRfBYzxTzwp/SxKNKivvtMa0Rv+jFy25A7lhnPd3F +kKuXttD/GF/lV/aiWdapU74emXiEWW4L3YywSC3pPPJkiXto/PO5dacdxWxn+nQdfRS FdxGOXen9tpiB6XZc06PXRm6sPZUegqVyY26i0xXnydb3k4fkhhjVSzCJYTmaVO/Xivk ke1nd7ZBIotClUU1bhHnCHFtFnb/piFTncPW+gEpzOMcSks4q8EOAnmF+DWzpB1KoptB +PqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701445352; x=1702050152; 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=M5OluPhgDT3nAw0/mpsAOoQF2zqQkql7YLDt75eO1Ow=; b=AEDEmoSP2YlUNQTG83I03eRDVw2sYo6dlIz06/9tc4EUBg1BCESnft+FW9w7dJbZ/v y0F9GzpOs+QAr0ze52k0PMCn6h7WeJiWDse8zX5oTKLDl6e8S/sAIVhBSmVdbDOu9GJM atCqUpd/dbTMeuOcfVpAeINyoBYL0fBeA5eseqIEpgnoGnEIGDXxhM2mcgixDJMlOBAl qFXep0xk2t1TAisFUSAeQDwrMbFUSrY20iWt1QkFMKj8mZqHiVbJmSLbYuwJJhQOd4h1 y5udoNw6EBvX7DL2zyoDUMXY9D+kQ24CKFIuIFBhpFeJ7QKcfNqzMvvD2k9GewU/LWSr iHZA== X-Gm-Message-State: AOJu0YxdVsnguTrpxZ8dJOHAOZVOre+PogZwn9uzR/Hp17rJjq4xeVkH XnEbUhX2Mnq8NEOSsHsOBC3ahA== X-Google-Smtp-Source: AGHT+IGJqqOzBXgm1gG3l4eq+iJtvvsWrjEeRODObVtVODE5xSIuIkhfCOaHdl0inwKoRnlUy4vC5Q== X-Received: by 2002:a05:620a:4092:b0:77b:9bf1:6526 with SMTP id f18-20020a05620a409200b0077b9bf16526mr29808153qko.44.1701445351820; Fri, 01 Dec 2023 07:42:31 -0800 (PST) Received: from ziepe.ca (hlfxns017vw-142-134-23-187.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.134.23.187]) by smtp.gmail.com with ESMTPSA id 11-20020a05620a048b00b0076e1e2d6496sm1584171qkr.104.2023.12.01.07.42.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Dec 2023 07:42:31 -0800 (PST) Received: from jgg by wakko with local (Exim 4.95) (envelope-from ) id 1r95ew-006GSJ-Ja; Fri, 01 Dec 2023 11:42:30 -0400 Date: Fri, 1 Dec 2023 11:42:30 -0400 From: Jason Gunthorpe To: Lu Baolu Cc: Joerg Roedel , Will Deacon , Robin Murphy , Kevin Tian , Jean-Philippe Brucker , Nicolin Chen , Yi Liu , Jacob Pan , Yan Zhao , iommu@lists.linux.dev, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v7 02/12] iommu/arm-smmu-v3: Remove unrecoverable faults reporting Message-ID: <20231201154230.GC1489931@ziepe.ca> References: <20231115030226.16700-1-baolu.lu@linux.intel.com> <20231115030226.16700-3-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: <20231115030226.16700-3-baolu.lu@linux.intel.com> On Wed, Nov 15, 2023 at 11:02:16AM +0800, Lu Baolu wrote: > No device driver registers fault handler to handle the reported > unrecoveraable faults. Remove it to avoid dead code. > > Signed-off-by: Lu Baolu > Reviewed-by: Kevin Tian > --- > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 46 ++++++--------------- > 1 file changed, 13 insertions(+), 33 deletions(-) Reviewed-by: Jason Gunthorpe If we do bring this back it will be in some form where the opaque driver event information is delivered to userspace to forward to the VM. Jason