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Thu, 12 Aug 2021 08:24:42 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mE60i-0098xH-6X for linux-arm-kernel@lists.infradead.org; Thu, 12 Aug 2021 08:24:21 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E0A7960EB2; Thu, 12 Aug 2021 08:24:19 +0000 (UTC) Received: from sofa.misterjones.org ([185.219.108.64] helo=why.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1mE60g-004VAA-2f; Thu, 12 Aug 2021 09:24:18 +0100 Date: Thu, 12 Aug 2021 09:24:17 +0100 Message-ID: <877dgr9iku.wl-maz@kernel.org> From: Marc Zyngier To: =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= Cc: David Brazdil , Catalin Marinas , Will Deacon , linux-arm-kernel , Mark Rutland , Ard Biesheuvel , Marco Elver , BCM Kernel Feedback , Florian Fainelli Subject: Re: arm64 regression in kernel 5.12 related to the (n)VHE In-Reply-To: <7fee376c-2099-6d88-0be8-ba57633e0965@gmail.com> References: <53f3a2d2-22f8-edee-2507-d41a4090dad7@gmail.com> <87r1f09md8.wl-maz@kernel.org> <87czqj9mvo.wl-maz@kernel.org> <7fee376c-2099-6d88-0be8-ba57633e0965@gmail.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: zajec5@gmail.com, dbrazdil@google.com, catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, mark.rutland@arm.com, ardb@kernel.org, elver@google.com, bcm-kernel-feedback-list@broadcom.com, f.fainelli@gmail.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210812_012420_313963_A69426C8 X-CRM114-Status: GOOD ( 16.93 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gVGh1LCAxMiBBdWcgMjAyMSAwODo1Njo1NyArMDEwMCwKUmFmYcWCIE1pxYJlY2tpIDx6YWpl YzVAZ21haWwuY29tPiB3cm90ZToKPiAKPiBPbiAxMi4wOC4yMDIxIDA5OjMyLCBSYWZhxYIgTWnF gmVja2kgd3JvdGU6Cj4gPiAoVW5sZXNzIGl0J3MgYSBmYWxzZSBjb25jbHVzaW9uIGFuZCBDT05G SUdfS1ZNIGp1c3QgYnJlYWtzIGNvbnNvbGUKPiA+IHNvbWVob3cpCj4gCj4gVGhhdCB3YXMgYSBm YWxzZSBjb25jbHVzaW9uLiBJIG1vZGlmaWVkIGtlcm5lbC9wcmludGsvcHJpbnRrLmMgYW5kIHNl dAo+IGtlZXBfYm9vdGNvbiA9IDEKPiAKPiBBIGZ1bGwgbG9nIHdpdGggaW1wb3J0YW50IHBhcnQg YmVsb3c6CgpbLi4uXQoKPiBrZXJuZWwgQlVHIGF0IGFyY2gvYXJtNjQva2VybmVsL3RyYXBzLmM6 NDA2IQo+IEludGVybmFsIGVycm9yOiBPb3BzIC0gQlVHOiAwIFsjMV0gU01QCj4gQ1BVOiAzIFBJ RDogMCBDb21tOiBzd2FwcGVyLzMgTm90IHRhaW50ZWQgNS4xMS4yMi1nMDQ1M2E0MjZjMzdiLWRp cnR5ICMxMgo+IEhhcmR3YXJlIG5hbWU6IEFzdXMgR1QtQUM1MzAwIChEVCkKPiBwc3RhdGU6IDAw MDAwMDg1IChuemN2IGRhSWYgLVBBTiAtVUFPIC1UQ08gQlRZUEU9LS0pCj4gcGMgOiBkb191bmRl Zmluc3RyKzB4MjA0LzB4MjMwCj4gbHIgOiBkb191bmRlZmluc3RyKzB4MjE4LzB4MjMwCj4gc3Ag OiBmZmZmZmZjMDEwMDFiY2MwCj4geDI5OiBmZmZmZmZjMDEwMDFiY2MwIHgyODogZmZmZmZmODAw MTBhMGE4MAo+IHgyNzogMDAwMDAwMDAwMDAwMDBlMCB4MjY6IGZmZmZmZmMwMTAwMWMwMDAKPiB4 MjU6IGZmZmZmZmMwMTAwMTgwMDAgeDI0OiBmZmZmZmZjMDEwOGE5MDAwCj4geDIzOiAwMDAwMDAw MDgwMDAwMDg1IHgyMjogMDAwMDAwMDBkNDAwMDAwMgo+IHgyMTogZmZmZmZmYzAxMDhjZDBkOCB4 MjA6IGZmZmZmZjgwMDEwYTBhODAKPiB4MTk6IGZmZmZmZmMwMTAwMWJkNDAgeDE4OiAwMDAwMDAw MDAwMDAwMDMwCj4geDE3OiBmYmZmZmFmYmZmZmZmZmZmIHgxNjogMDAwMDAwMDAwMDAwMDA0OAo+ IHgxNTogMDAwMDA0NjM2Njk2MDk5OCB4MTQ6IDAwMDAwMDAwMDAwMDAwMTcKPiB4MTM6IDAwMDAw MDAwMDAwMDAwMDEgeDEyOiAwMDAwMDAwMDAwMDAwMDAxCj4geDExOiAwMDAwMDAwMDAwMDAwMDAw IHgxMDogMDAwMDAwMDAwMDAwMDAwMwo+IHg5IDogMDAwMDAwMDAwMDAwMDAwMCB4OCA6IDAwMDAw MDAwMDAwMDAwMDAKPiB4NyA6IGZmZmZmZjgwM2ZkZTg2MDAgeDYgOiAwMDAwMDAwMDAwMDAwMDAx Cj4geDUgOiAwMDAwMDAwMDAwMDAwMDAwIHg0IDogZmZmZmZmODAwMTBhMGE4MAo+IHgzIDogMDAw MDAwMDBkNTMwMDAwMCB4MiA6IGZmZmZmZmMwMTA4MmNlNjgKPiB4MSA6IGZmZmZmZmMwMTA4Y2Qw ZTggeDAgOiAwMDAwMDAwMDgwMDAwMDg1Cj4gQ2FsbCB0cmFjZToKPiAgZG9fdW5kZWZpbnN0cisw eDIwNC8weDIzMAo+ICBlbDFfdW5kZWYrMHgzMC8weDUwCj4gIGVsMV9zeW5jX2hhbmRsZXIrMHg4 Yy8weGQwCj4gIGVsMV9zeW5jKzB4NzgvMHgxMDAKPiAgX19oeXBfcmVzZXRfdmVjdG9ycysweDQv MHg5MWQwCj4gIF9rdm1fYXJjaF9oYXJkd2FyZV9lbmFibGUrMHgzYy8weDYwCgpBbmQgaGVyZSdz IHRoZSBwcm9vZi4gVGhlIGZpcnN0IEhWQyB3ZSBpc3N1ZSBlbmRzIHVwIGdlbmVyYXRpbmcgYW4K VU5ERUYsIGFuZCB0aGUga2VybmVsIGxlZ2l0aW1hdGVseSBwYW5pY3MuIEl0IGlzIGp1c3QgdGhh dCBmcm9tIDUuMTIsCndlIGFsd2F5cyB1c2UgSFZDIGV2ZW4gaWYgeW91IGRvbid0IGhhdmUgS1ZN IGVuYWJsZWQuIE9yIGtleGVjLiBPcgphbnl0aGluZyBlbHNlIHRoYXQgcmVxdWlyZXMganVtcGlu ZyBiYWNrIHRvIEVMMiwgZGVzcGl0ZSBoYXZpbmcgYm9vdGVkCmF0Li4uIEVMMi4gTm9uc2Vuc2Uu CgpJJ2xsIGhhdmUgdG8gZ28gYW5kIHRoaW5rIG9mIGhvdyB0byBoYW5kbGUgdGhpcy4gVGhpcyBt YXkgZW5kLXVwIGJlaW5nCmEgY29tbWFuZC1saW5lIG9wdGlvbiBpZiB3ZSBjYW5ub3QgZWFzaWx5 IGhhbmRsZSB0aGUgVU5ERUYgdGhhdCBlYXJseQphdCBib290IHRpbWUuCgoJTS4KCi0tIApXaXRo b3V0IGRldmlhdGlvbiBmcm9tIHRoZSBub3JtLCBwcm9ncmVzcyBpcyBub3QgcG9zc2libGUuCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0t a2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcK aHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2Vy bmVsCg==