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Wed, 20 Jan 2021 09:17:25 -0800 Received: from fmsmsx610.amr.corp.intel.com ([10.18.126.90]) by fmsmsx610.amr.corp.intel.com ([10.18.126.90]) with mapi id 15.01.1713.004; Wed, 20 Jan 2021 09:17:25 -0800 From: "Luck, Tony" To: Borislav Petkov CC: "x86@kernel.org" , Andrew Morton , Peter Zijlstra , "Darren Hart" , Andy Lutomirski , "linux-kernel@vger.kernel.org" , "linux-edac@vger.kernel.org" , "linux-mm@kvack.org" Subject: RE: [PATCH v4] x86/mce: Avoid infinite loop for copy from user recovery Thread-Topic: [PATCH v4] x86/mce: Avoid infinite loop for copy from user recovery Thread-Index: AQHW64AlZtFSH7GIt0KNvnBLdhzieKopU/SAgAX+pgCAAFQ9AIABVOkA///MFvA= Date: Wed, 20 Jan 2021 17:17:25 +0000 Message-ID: References: <20210111214452.1826-1-tony.luck@intel.com> <20210115003817.23657-1-tony.luck@intel.com> <20210115152754.GC9138@zn.tnic> <20210115193435.GA4663@agluck-desk2.amr.corp.intel.com> <20210115205103.GA5920@agluck-desk2.amr.corp.intel.com> <20210115232346.GA7967@agluck-desk2.amr.corp.intel.com> <20210119105632.GF27433@zn.tnic> <20210119235759.GA9970@agluck-desk2.amr.corp.intel.com> <20210120121812.GF825@zn.tnic> In-Reply-To: <20210120121812.GF825@zn.tnic> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.5.1.3 x-originating-ip: [10.1.200.100] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Bogosity: Ham, tests=bogofilter, spamicity=0.037660, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: PiBZYWgsIHNvbWUgcHJpbnRrIHNwcmlua2xpbmcgbWlnaHQgYmUgYSBnb29kIHN0YXJ0LiBCdXQg ZGVidWdnaW5nIGluIHRoYXQNCj4gYXRvbWljIGNvbnRleHQgaXMgYWx3YXlzIG5hc3R5LiA7LVwN Cg0KU29tZSB2ZXJ5IGxpZ2h0IHByaW50ayBzcHJpbmtsaW5nIChvbmUgbWVzc2FnZSBpbiBxdWV1 ZV90YXNrX3dvcmsoKSBpbiBhdG9taWMNCmNvbnRleHQsIG9uZSBlYWNoIGluIGtpbGxfbWVfbm93 KCkgYW5kIGtpbGxfbWVfbWF5YmUoKSB0byBjaGVjayB3aGVuIHRhc2tfd29yaw0KYWN0dWFsbHkg Y2FsbGVkIHRoZW0uDQoNCkNhc2VzIDEgJiAyICh1c2VyICYgbm9ybWFsIGNvcHlpbikgbm93IHdv cmsganVzdCBmaW5lIChodW5kcmVkcyBvZiBpdGVyYXRpb25zKS4NCg0KQ2FzZSAzIChteSBmdXRl eCB0ZXN0KSBqdXN0IGhhbmdzIHdpdGggb25seSB0d28gY2hhcmFjdGVycyBtYWtpbmcgaXQgdG8g dGhlIHNlcmlhbCBwb3J0ICJbICINCg0KRGVlcGx5IHN0cmFuZ2UuDQoNCi1Ub255DQo=