From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 020F7E77197 for ; Mon, 6 Jan 2025 02:52:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=jzWx9ERzh0NCBCW3tJOA7a8HLPhjKwSg8FZwROILaNw=; b=CakuV8LCVMH35NDmlqxOb7moW4 Vw8Ozb5IyDjwxzOstr45VFjuYJsd5VNRvkOZV2Tbb6a1F0AWI0F4cyfL1MsksSQQaZ7qy6h8J2YC+ 1CmGJdjrSYetNfb9LSBTdmCba8QhTNzuR9lTvo8IOP+duPAlfqt2UcFHjO9miwyTt6wWiS3PqttdJ uLbx12OjkyDkukwMuuUVaI10TbhgjwFIdkhdArNaMnCRWmn1R35P2cs3AobYyyk7J0fRmfVz1m3TK tyCjZL5hwtPE3+weAii0P48vpO4+vh5wGBZlSEgwAKEn6YJJDqlFHwcuHNtPMp2YoMCFIAW0BPKkJ ilYPO2Jg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tUdEN-000000005ev-3tua; Mon, 06 Jan 2025 02:52:39 +0000 Received: from mgamail.intel.com ([198.175.65.10]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tUdCc-000000005FO-0tHB for linux-arm-kernel@lists.infradead.org; Mon, 06 Jan 2025 02:50:51 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1736131850; x=1767667850; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=JFtPzvb18FfE+wL5jWUzNx+kpfpVZKFUa+nvYsaeaAw=; b=IxRCI/Zs77e5imkem2qxbkAzfk+SYETWIVSoGtWEQtkd7g2zvMZDD0iP siXRSXONAZRTNXOtnAosB/hKp8z7J2qQWBvmH5M8mgmV0iJF09iRecDba swK6QigxnnIye2P/9XdifTio0MdSssGqDr8duRKs2eyBi6SbinNpOMArs epXkprBNajMCOlTJgVJM97T7qXgZYeptahi/LXzEMYeFZtz7iLByvyp8c Gbv/g9qKGtk+AnewpUb9Bx/bVA24VNL2q1JviKDrmSFIlCQU8N7KyORZL Zf7ZX8Sx3QA8soveDh3uxIIuTRBlls7gUKW1zeTBeyaDtk6vlipOYttWx w==; X-CSE-ConnectionGUID: VgWjZ9xxRAWALMh94Az7zA== X-CSE-MsgGUID: q9+eqr/aQPK71AfVm9yRcw== X-IronPort-AV: E=McAfee;i="6700,10204,11306"; a="53690644" X-IronPort-AV: E=Sophos;i="6.12,292,1728975600"; d="scan'208";a="53690644" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jan 2025 18:50:50 -0800 X-CSE-ConnectionGUID: zi8f8q+4SN614nlesVQy+g== X-CSE-MsgGUID: Mn2+SyAnSRikRE+VWQNAVA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="125600038" Received: from allen-sbox.sh.intel.com (HELO [10.239.159.30]) ([10.239.159.30]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jan 2025 18:50:26 -0800 Message-ID: <59c4f1e6-1ea8-4110-aeee-7b7bf06cbaf1@linux.intel.com> Date: Mon, 6 Jan 2025 10:48:21 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 02/14] iommufd/fault: Add an iommufd_fault_init() helper To: Nicolin Chen , jgg@nvidia.com, kevin.tian@intel.com, corbet@lwn.net, will@kernel.org Cc: joro@8bytes.org, suravee.suthikulpanit@amd.com, robin.murphy@arm.com, dwmw2@infradead.org, shuah@kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, linux-doc@vger.kernel.org, eric.auger@redhat.com, jean-philippe@linaro.org, mdf@kernel.org, mshavit@google.com, shameerali.kolothum.thodi@huawei.com, smostafa@google.com, ddutile@redhat.com, yi.l.liu@intel.com, patches@lists.linux.dev References: Content-Language: en-US From: Baolu Lu In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250105_185050_350068_FCDB5E2E X-CRM114-Status: GOOD ( 10.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 1/4/25 03:43, Nicolin Chen wrote: > The infrastructure of a fault object will be shared with a new vEVENTQ > object in a following change. Add a helper for a vEVENTQ allocator to > call it too. > > Reorder the iommufd_ctx_get and refcount_inc, to keep them symmetrical > with the iommufd_fault_fops_release(). > > Since the new vEVENTQ doesn't need "response", leave the xa_init_flags > in its original location. > > Reviewed-by: Kevin Tian > Signed-off-by: Nicolin Chen > --- > drivers/iommu/iommufd/fault.c | 48 ++++++++++++++++++++--------------- > 1 file changed, 28 insertions(+), 20 deletions(-) Reviewed-by: Lu Baolu