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Peter Anvin" , "Mallick, Asit K" , Gordon Tetlow , David Kaplan Subject: RE: TDX #VE in SYSCALL gap (was: [RFD] x86: Curing the exception and syscall trainwreck in hardware) Thread-Topic: TDX #VE in SYSCALL gap (was: [RFD] x86: Curing the exception and syscall trainwreck in hardware) Thread-Index: AQHWepnN5CwxwmBahk+tjye5jNDIMqlJf26A//+V8lKAAADkcA== Date: Tue, 25 Aug 2020 17:35:29 +0000 Message-ID: References: <875z98jkof.fsf@nanos.tec.linutronix.de> <3babf003-6854-e50a-34ca-c87ce4169c77@citrix.com> <20200825043959.GF15046@sjchrist-ice> <20200825171903.GA20660@sjchrist-ice> In-Reply-To: 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 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiA+IE9yIG1hbGljaW91cyBoeXBlcnZpc29yIGFjdGlvbiwgYW5kIHRoYXQncyBhIHByb2JsZW0u DQo+ID4NCj4gPiBTdXBwb3NlIHRoZSBoeXBlcnZpc29yIHJlbWFwcyBhIEdQQSB1c2VkIGluIHRo ZSBTWVNDQUxMIGdhcCAoZS5nLiB0aGUNCj4gPiBhY3R1YWwgU1lTQ0FMTCB0ZXh0IG9yIHRoZSBm aXJzdCBtZW1vcnkgaXQgYWNjZXNzZXMgLS0gSSBkb24ndCBoYXZlIGENCj4gPiBURFggc3BlYyBz byBJIGRvbid0IGtub3cgdGhlIGRldGFpbHMpLg0KDQpJcyBpdCBmZWFzaWJsZSB0byBkZWZlbmQg YWdhaW5zdCBhIG1hbGljaW91cyAob3IgYnVnZ3kpIGh5cGVydmlzb3I/DQoNCk9idmlvdXNseSwg d2UgY2FuJ3QgbGVhdmUgaG9sZXMgdGhhdCBndWVzdHMgY2FuIGV4cGxvaXQuIEJ1dCB0aGUgaHlw ZXJ2aXNvcg0KY2FuIGNyYXNoIHRoZSBzeXN0ZW0gbm8gbWF0dGVyIGhvdyBjbGV2ZXIgVERYIGlz Lg0KDQotVG9ueQ0K