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Fri, 23 Jan 2026 22:59:13 +0000 From: Date: Fri, 23 Jan 2026 14:59:12 -0800 To: Alexey Kardashevskiy , CC: , Ashish Kalra , "Tom Lendacky" , John Allen , "Herbert Xu" , "David S. 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Sampat" Message-ID: <6973fd402a74a_309510049@dwillia2-mobl4.notmuch> In-Reply-To: <20260123053057.1350569-3-aik@amd.com> References: <20260123053057.1350569-1-aik@amd.com> <20260123053057.1350569-3-aik@amd.com> Subject: Re: [PATCH kernel 2/2] crypto/ccp: Allow multiple streams on the same root bridge Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SJ0PR13CA0154.namprd13.prod.outlook.com (2603:10b6:a03:2c7::9) To PH8PR11MB8107.namprd11.prod.outlook.com (2603:10b6:510:256::6) Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH8PR11MB8107:EE_|CO1PR11MB4978:EE_ X-MS-Office365-Filtering-Correlation-Id: e5af0bc0-7099-495e-402a-08de5ad30722 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|366016|1800799024; X-Microsoft-Antispam-Message-Info: =?utf-8?B?TWhLbjl5MUJibTVjd0hoMnB2NlRRTlRsNlV3WWlJTWpqOUR0TTBhWURGRlJz?= =?utf-8?B?YnJyR0NCNVRNc2NXbjE1dTc5L0prZ212T0VnV2dMQVlXbFBFUW5uRUxuVjdy?= =?utf-8?B?U2hHOVR6SVNGcVpuQld3OTZWYnJYRDZFS1hjU2dTV3cxSzAyaWZ4cHA5c3c4?= =?utf-8?B?VWpqdUZHc1ZZT3pQakY0MXJCOFZ6MHFtdnoraE03VHh0dXpuSWFhQ1VaWjZp?= =?utf-8?B?dmxBZ3VOZjVJV0JzbERvQXAzMjROODlyNFBGNEVRbVd6RmdaZ21TV1c4Y1pv?= =?utf-8?B?b28xMXJ5VTd2emNnREMwaUsyVU03OVRINnVpSitJT1ArSXpZV3MxVGxjN2xx?= =?utf-8?B?ZWI2dlE0aDNkOFFWTFNFZVdDSmVML2ZOSE5lM29rb1lVNFBhanJqMFA0N1hG?= =?utf-8?B?Ykpmb2N3M3Vxamt2bjVXclc5WUJQOUZHTFQxWnF2ZnB4azVtNXhielpLK3c0?= =?utf-8?B?dm01dnhVNGhuNUJOUjh5VzBBeDllVjdSblI5MlRSOHRyMGZIYnZIUnU0bVlH?= =?utf-8?B?R1V6bE1WRjVYcW1VbWlURFU0TmJMMk9ucnh6MVlPY3NQdzJWY3Y0OEVJc0N3?= =?utf-8?B?N1RIYjg4T25LblQ2b1A3K0FBbkNiS2Z1c3hXMzlSUnVscmliajFQYk5SWklj?= =?utf-8?B?dGtDUlRGMGU2NlBOUU45ckNwNG5vbVZ4ZU5UQ0dkSUNGSUs3Z1BaNlEyZGx0?= =?utf-8?B?UFZRNlpYaWtyRjFHNEg5SEhQUDg2a0t6dC9zK2x0d200dWluellwR09RUnBE?= =?utf-8?B?RUdOcU9mazBXci9IRG5MK3B5ZERwV0RuMW4rMUZzRi94d0RSVHJJZXZtbVlG?= =?utf-8?B?TCtFV0NuYU9BSEhQb3QvTGFFREt1K1JQMUV1d2V2OTBqN3Mydlc5S3RDQ21U?= =?utf-8?B?bmJWTWsyRlE3SHRLVkdpbGdYQVl4dFBNdVZtNVZjanVkMXpBNlNEYlhETjd4?= =?utf-8?B?UE9rTXNRclhIVVhXbmd2VU4zc0pKeTNYVGE0QUNCRmtRK0ZIMlRkSmRtaTZs?= =?utf-8?B?N3kxbTVFUWlxZXhVZGQ2Mld2Q21vamM1eDJSUlpnampoTVlwYklKM08rd0JS?= =?utf-8?B?bXVmVzV1QkU3ZmlqcUJVSkZXdVN4aWR2VjFSR2ZDb2FzS0x6R05HOFdYN1dH?= =?utf-8?B?WlZneGJvMGI2QXh4OUM3S3NNNVhnYStaUGZrTlRXN0NwR1BLOHhha1U5MGdE?= =?utf-8?B?M1o5a3JjNlI0UmllUlFueitwZ3ZzRGpUTjcxYjFsclo1ZE1KeTdiOTBMbk4v?= =?utf-8?B?SXZaOGV4ckFnWHBsNjZUZGhaWnBxNnkrVlhoWVdrSy85N2dWWGlKUFZuY2lt?= =?utf-8?B?ZVB4NDVHQmRsNFVxRTM5c1E4K0dSUnZLYWNZMGpNeExKZERXMU5kbHAxRW1S?= =?utf-8?B?cUMyS1h6c1RJZ2JkWU1vWFd4VkRRZ0NvQys5OWZpK1hXQ293MVQ5a2VDNHpS?= =?utf-8?B?OXVPb1VrTGZFN0RST1l0ak5EVmxKTmg4bXF2WmMybUxzUGsrZEQ2WkswT3pV?= =?utf-8?B?YU5VY3dJZHZWVVMrdDRRNVdCZUFzNGNhOG55ODBTRHo5VVB6aDhyaWZvT05M?= =?utf-8?B?UGVsVUYzV1dXYlZmMXFPT2dWY1NWNi9nTHJlY2tzaytFdzhqNm5GT05OeVJz?= =?utf-8?B?U0pWNEdzMlBaN1JNRm84OGJmcFJFK2NLY09PNVhSNVZrUUplUzBiRE42aWRm?= =?utf-8?B?OGRKL1g0b0hONzk1bHNRS2Nwdytsc2pSd2NhY2hsRy9jbHA5TE9OS25qYmIz?= =?utf-8?B?S1pnejhTeFdZOHlKdTZ5S3pHQ0x0SUFZeExxU0t0ek1saE8xeEJRVFdNNzlp?= =?utf-8?B?bkUvR2orTitCdS82V1lZb3l6Z2I0bHNTYjFBVkU3dGYrcUp5anFaWnoxNm5W?= =?utf-8?B?c2Uwcm5vei9ua285U0ZmeWNjYVZGK2FzaE00NGZwYmN4L0RHQ3I0YmJYVXpy?= =?utf-8?B?cE1rY0ZjNW9SUXJHYXlHVitzdVFsTWNTMzNPZWVPcTIxa2cyQnM1OXNWMVBI?= =?utf-8?B?d2pyZEtncFBBcUphbU1pY01RVG05TWI4UUUvd2RIUUhxT0VTNkVlaG95VEdW?= =?utf-8?B?dy9UOXFaSEdTVjEwejNvZ09GTkJBRkVpWnZibkJ2NFRzOG00cWpDcU9tek5u?= =?utf-8?Q?zVn4=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH8PR11MB8107.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(7416014)(376014)(366016)(1800799024);DIR:OUT;SFP:1101; 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AMD SEV TIO though leaves it to the host OS. > Mistakenly stream ID is hard coded to be the same as a traffic class. I scratched my head at this comment, but now realize that you are saying the existing code used the local @tc, not that the hardware stream ID is in any way related to traffic class, right? It would help to detail what the end user visible effects of this bug are. The TSM framework does not allow for multiple streams per PF, so I wonder what scenario is being fixed? Lastly, are you expecting tsm.git#fixes to pick this up? I am assuming that this goes through crypto.git and tsm.git can just stay focused on core fixes.