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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BN9PR11MB5276.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5eb4d9fd-7bc0-4ec8-3fa1-08dc4efbb1f9 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Mar 2024 07:50:10.8826 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: +s7QAZ1+m6oN5czDEH7OUSMcWHletyIyZ/RJCkp9j+dM0bOEeMmk8v+2Hol17Ev5PwPiJwpTLPVUrnd7FvfuXg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW5PR11MB5762 X-OriginatorOrg: intel.com > From: Lu Baolu > Sent: Monday, March 25, 2024 10:17 AM >=20 > Use cache_tag_flush_range() in switch_to_super_page() to invalidate the > necessary caches when switching mappings from normal to super pages. The > iommu_flush_iotlb_psi() call in intel_iommu_memory_notifier() is > unnecessary since there should be no cache invalidation for the identity > domain. >=20 what about a software identity domain?