From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 46FE2C7EE29 for ; Sat, 10 Jun 2023 19:51:29 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.546601.853587 (Exim 4.92) (envelope-from ) id 1q84cB-0003C5-AM; Sat, 10 Jun 2023 19:51:11 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 546601.853587; Sat, 10 Jun 2023 19:51:11 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1q84cB-0003By-7v; Sat, 10 Jun 2023 19:51:11 +0000 Received: by outflank-mailman (input) for mailman id 546601; Sat, 10 Jun 2023 19:51:10 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1q84cA-0003Bs-OV for xen-devel@lists.xenproject.org; Sat, 10 Jun 2023 19:51:10 +0000 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 234d050c-07c8-11ee-b232-6b7b168915f2; Sat, 10 Jun 2023 21:51:06 +0200 (CEST) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with both STARTTLS and AUTH (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-191-aQsr8P1pPA2zGT4voRzmug-1; Sat, 10 Jun 2023 20:51:04 +0100 Received: from AcuMS.Aculab.com (10.202.163.6) by AcuMS.aculab.com (10.202.163.6) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Sat, 10 Jun 2023 20:50:58 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Sat, 10 Jun 2023 20:50:58 +0100 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 234d050c-07c8-11ee-b232-6b7b168915f2 X-MC-Unique: aQsr8P1pPA2zGT4voRzmug-1 From: David Laight To: 'Andrew Cooper' , Yunhong Jiang , Thomas Gleixner CC: "Kirill A. Shutemov" , LKML , "x86@kernel.org" , "David Woodhouse" , Brian Gerst , "Arjan van de Veen" , Paolo Bonzini , "Paul McKenney" , Tom Lendacky , "Sean Christopherson" , Oleksandr Natalenko , Paul Menzel , "Guilherme G. Piccoli" , Piotr Gorski , Usama Arif , Juergen Gross , "Boris Ostrovsky" , "xen-devel@lists.xenproject.org" , Russell King , "Arnd Bergmann" , "linux-arm-kernel@lists.infradead.org" , Catalin Marinas , Will Deacon , Guo Ren , "linux-csky@vger.kernel.org" , Thomas Bogendoerfer , "linux-mips@vger.kernel.org" , "James E.J. Bottomley" , Helge Deller , "linux-parisc@vger.kernel.org" , Paul Walmsley , Palmer Dabbelt , "linux-riscv@lists.infradead.org" , "Mark Rutland" , Sabin Rapan , "Michael Kelley (LINUX)" , Dave Hansen Subject: RE: [patch] x86/realmode: Make stack lock work in trampoline_compat() Thread-Topic: [patch] x86/realmode: Make stack lock work in trampoline_compat() Thread-Index: AQHZmmUgtDGga6k1FUelCeu8f3dcaq+Ecr5A Date: Sat, 10 Jun 2023 19:50:58 +0000 Message-ID: <67f939e112cc4578833ca74123bee402@AcuMS.aculab.com> References: <20230508181633.089804905@linutronix.de> <20230508185218.962208640@linutronix.de> <20230524204818.3tjlwah2euncxzmh@box.shutemov.name> <87y1lbl7r6.ffs@tglx> <87sfbhlwp9.ffs@tglx> <20230529023939.mc2akptpxcg3eh2f@box.shutemov.name> <87bki3kkfi.ffs@tglx> <20230529203129.sthnhzgds7ynddxd@box.shutemov.name> <87h6rujdvl.ffs@tglx> <20230608233402.GA3430@yjiang5-mobl.amr.corp.intel.com> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 RnJvbTogQW5kcmV3IENvb3Blcg0KPiBTZW50OiAwOSBKdW5lIDIwMjMgMDA6NTgNCj4gDQouLi4N Cj4gVGhlIGltcG9ydGFudCBwb2ludCBpcyB0aGUgbCBzdWZmaXggb24gYnRzbCwgd2hpY2ggZm9y Y2VzIGl0IHRvIGJlIGxvbmcNCj4gKDMyYml0KSBpcnJlc3BlY3RpdmUgb2YgdGhlIGRlZmF1bHQg b3BlcmFuZCBzaXplLg0KDQpEb2VzIHRoYXQgbWF0dGVyIGF0IGFsbD8NClRoZSAnYml0JyBvcGNv ZGVzIChJJ20gc3VyZSAnYnRzJyBpcyAnYml0IHRlc3QgYW5kIHNldCcpIHRha2UNCmEgYml0IG9m ZnNldCBmcm9tIHRoZSBiYXNlIGFkZHJlc3MuDQpUaGlzIGFjY2Vzc2VzIHRoZSBzYW1lIGJpdCBy ZWdhcmRsZXNzIG9mIHRoZSBvcGVyYW5kIHNpemUuDQoNClRoZSBvbmUgcmVhbCBpc3N1ZSBpcyB0 aGF0IGEgYnl0ZSBvcGVyYW5kIHdpbGwgb25seSBsb2NrIHRoZSBvbmUgYnl0ZS4NClRoaXMgbWln aHQgYmUgcHJvYmxlbWF0aWMgaWYgbm9uLWJpdCBsb2NrZWQgYWNjZXNzZXMgYXJlIGFsc28gdXNl ZC4NCkFsdGhvdWdoIGl0IHdvdWxkIG5lZWQgdG8gYmUgcmF0aGVyIG9ic2N1cmUgdXNlLg0KKFRo aXMgbWF5IGJlIG9uZSBvZiB0aGVtLi4uKQ0KDQpUaGUgb25seSBvdGhlciBwcm9ibGVtIGlzIHRo YXQgYnRzbCBhbHdheXMgZG9lcyBhIGxvY2tlZCAzMmJpdA0KYWNjZXNzLiBJZiB0aGUgYmFzZSBh ZGRyZXNzIGlzIG1pc2FsaWduZWQgdGhpcyBpcyBhIG1pc2FsaWduZWQNCmxvY2tlZCBhY2Nlc3Mg LSBwcm9ibGVtYXRpYyBpZiBpdCBjcm9zc2VzIGEgY2FjaGUgbGluZSBib3VuZGFyeS4NCg0KCURh dmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3Vu dCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3 Mzg2IChXYWxlcykNCg==