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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-739710ae9a3sm2010625b3a.143.2025.03.28.09.16.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 28 Mar 2025 09:16:36 -0700 (PDT) Message-ID: <8e8a2de5-14b7-420d-a80e-69422d43ce3c@oss.qualcomm.com> Date: Fri, 28 Mar 2025 10:16:34 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH V3] accel/amdxdna: Add BO import and export To: Lizhi Hou , ogabbay@kernel.org, jacek.lawrynowicz@linux.intel.com, mario.limonciello@amd.com, dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org, min.ma@amd.com, max.zhen@amd.com, sonal.santan@amd.com, king.tam@amd.com References: <20250325200105.2744079-1-lizhi.hou@amd.com> Content-Language: en-US From: Jeff Hugo In-Reply-To: <20250325200105.2744079-1-lizhi.hou@amd.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=cs+bk04i c=1 sm=1 tr=0 ts=67e6cb66 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=IkcTkHD0fZMA:10 a=Vs1iUdzkB0EA:10 a=zd2uoN0lAAAA:8 a=EUspDBNiAAAA:8 a=hqc9sBmNjcyLIcRXNsUA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-GUID: 93T2q257K04RmLsZv-ErBVwnFbbmaKj9 X-Proofpoint-ORIG-GUID: 93T2q257K04RmLsZv-ErBVwnFbbmaKj9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-03-28_08,2025-03-27_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 bulkscore=0 mlxlogscore=935 malwarescore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 priorityscore=1501 phishscore=0 suspectscore=0 mlxscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2503280113 On 3/25/2025 2:01 PM, Lizhi Hou wrote: > Add amdxdna_gem_prime_export() and amdxdna_gem_prime_import() for BO > import and export. Register mmu notifier for imported BO as well. When > MMU_NOTIFIER_UNMAP event is received, queue work to remove the notifier. > > The same BO could be mapped multiple times if it is exported and imported > by an application. Use a link list to track VMAs the BO been mapped. > > Signed-off-by: Lizhi Hou Reviewed-by: Jeff Hugo I think this was just a one time glitch, but please remember to include a changelog for v2+.