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Mon, 23 Jan 2023 20:46:22 +0000 Received: from MWHPR11MB1392.namprd11.prod.outlook.com ([fe80::d41f:9f07:ed56:a536]) by MWHPR11MB1392.namprd11.prod.outlook.com ([fe80::d41f:9f07:ed56:a536%3]) with mapi id 15.20.6002.033; Mon, 23 Jan 2023 20:46:22 +0000 From: "Edgecombe, Rick P" To: "fweimer@redhat.com" , "david@redhat.com" CC: "bsingharora@gmail.com" , "hpa@zytor.com" , "Syromiatnikov, Eugene" , "peterz@infradead.org" , "rdunlap@infradead.org" , "keescook@chromium.org" , "dave.hansen@linux.intel.com" , "Eranian, Stephane" , "kirill.shutemov@linux.intel.com" , "linux-mm@kvack.org" , "nadav.amit@gmail.com" , "jannh@google.com" , "dethoma@microsoft.com" , "kcc@google.com" , "linux-arch@vger.kernel.org" , "bp@alien8.de" , "oleg@redhat.com" , "hjl.tools@gmail.com" , "pavel@ucw.cz" , "Lutomirski, Andy" , "linux-doc@vger.kernel.org" , "arnd@arndb.de" , "tglx@linutronix.de" , "Schimpe, Christina" , "mike.kravetz@oracle.com" , "x86@kernel.org" , "Yang, Weijiang" , "jamorris@linux.microsoft.com" , "john.allen@amd.com" , "rppt@kernel.org" , "andrew.cooper3@citrix.com" , "mingo@redhat.com" , "corbet@lwn.net" , "linux-kernel@vger.kernel.org" , "linux-api@vger.kernel.org" , "gorcunov@gmail.com" , "akpm@linux-foundation.org" Subject: Re: [PATCH v5 23/39] mm: Don't allow write GUPs to shadow stack memory Thread-Topic: [PATCH v5 23/39] mm: Don't allow write GUPs to shadow stack memory Thread-Index: AQHZLExd1uIADC0jSEapGta3tBezb66rvFwAgAAatYeAAKfVgA== Date: Mon, 23 Jan 2023 20:46:22 +0000 Message-ID: References: <20230119212317.8324-1-rick.p.edgecombe@intel.com> <20230119212317.8324-24-rick.p.edgecombe@intel.com> <87fsc1il73.fsf@oldenburg.str.redhat.com> In-Reply-To: <87fsc1il73.fsf@oldenburg.str.redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Evolution 3.28.5-0ubuntu0.18.04.2 x-ms-publictraffictype: Email x-ms-traffictypediagnostic: MWHPR11MB1392:EE_|DS7PR11MB6104:EE_ x-ms-office365-filtering-correlation-id: fa800ca7-682e-41eb-f376-08dafd82e300 x-ld-processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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