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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2B2B9C4332F for ; Tue, 2 Nov 2021 20:35:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0FE2260EB8 for ; Tue, 2 Nov 2021 20:35:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231433AbhKBUhk (ORCPT ); Tue, 2 Nov 2021 16:37:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:60874 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229764AbhKBUhj (ORCPT ); Tue, 2 Nov 2021 16:37:39 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 389DC604DA; Tue, 2 Nov 2021 20:35:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1635885303; bh=dMj/G2/V3965WnIMSNeXebG24HMfcXKI7dEgO0/HkAY=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=YmLcjg3loMFRRSdbOBa3hE9vhMNkD2Z1JTqg2XSbU1Bro3PC/Qlp01acm7yVWpyHF Yh9q0CBv6AIkNSiwW11YJJzTaVsY7Hw5rrYeN1MKieglhIiKIIx7R0z3u9bXrcYhes PEpHZAXD2AmQP3XFQXGLTM8/Mcc9kkWlhYm4CIxvtVzRr4hzxo7fIR7Cp6PGE+6LmW eeZKiT6vJhtYkM4cKM4CpwOIxApxRh1AXKdRfGMCnqeZ5mHSo/g8cc08JmkMyKxO9b ob6sozrVnh50WMbgUODOJGgoZh+GNmIdgoh3SAVL5ZueakdCVWtSYgQ5nFoXXTzd0Z +w7MZuwujx7rA== Message-ID: Subject: Re: [PATCH v18 4/6] tpm: tpm_tis: Verify TPM_STS register is valid after locality request From: Jarkko Sakkinen To: amirmizi6@gmail.com, Eyal.Cohen@nuvoton.com, oshrialkoby85@gmail.com, alexander.steffen@infineon.com, robh+dt@kernel.org, mark.rutland@arm.com, peterhuewe@gmx.de, jgg@ziepe.ca, arnd@arndb.de, gregkh@linuxfoundation.org, benoit.houyere@st.com, eajames@linux.ibm.com, joel@jms.id.au Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-integrity@vger.kernel.org, oshri.alkoby@nuvoton.com, tmaimon77@gmail.com, gcwilson@us.ibm.com, kgoldman@us.ibm.com, Dan.Morav@nuvoton.com, oren.tanami@nuvoton.com, shmulik.hager@nuvoton.com, amir.mizinski@nuvoton.com Date: Tue, 02 Nov 2021 22:35:01 +0200 In-Reply-To: <20211102152056.241769-5-amirmizi6@gmail.com> References: <20211102152056.241769-1-amirmizi6@gmail.com> <20211102152056.241769-5-amirmizi6@gmail.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 User-Agent: Evolution 3.40.4-1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gVHVlLCAyMDIxLTExLTAyIGF0IDE3OjIwICswMjAwLCBhbWlybWl6aTZAZ21haWwuY29tIHdy b3RlOgo+IEZyb206IEFtaXIgTWl6aW5za2kgPGFtaXJtaXppNkBnbWFpbC5jb20+Cj4gCj4gQW4g aW52YWxpZCBUUE1fU1RTIHZhbHVlIGNvdWxkIGJlIHVzZWQgd2hlbiB0aGUgZm9sbG93aW5nIHR3 byBldmVudHMgb2NjdXI6Cj4gVFBNIGRvZXMgbm90IHVwZGF0ZSBUUE1fU1RTIHJlZ2lzdGVyIGFm dGVyIGEgbG9jYWxpdHkgcmVxdWVzdCAoVFBNX1NUUwo+IEluaXRpYWwgdmFsdWUgPSAweEZGKSwg YW5kIGEgVFBNX1NUUyByZWdpc3RlciByZWFkIG9jY3VycyBpbiB0aGUKPiB0cG1fdGlzX3N0YXR1 cyhjaGlwKSBmdW5jdGlvbiBjYWxsLgo+IAo+IEluIHByb2JlX2l0cG0oKSwgYSBjYWxsIHRvIHRw bV90aXNfc2VuZF9kYXRhKCkgZnVuY3Rpb24gaXMgbWFkZSBhZnRlciBhCj4gcmVxdWVzdF9sb2Nh bGl0eSgpIGNhbGwsIGFuZCB0aGUgY29uZGl0aW9uCj4gKCJpZiAoKHN0YXR1cyAmIFRQTV9TVFNf Q09NTUFORF9SRUFEWSkgPT0gMCkiKSBpcyBjaGVja2VkLiBBdCB0aGlzIG1vbWVudAo+IGlmIHRo ZSBzdGF0dXMgdmFsdWUgaXMgMHhGRiwgdGhlbiBpdCBpcyBjb25zaWRlcmVkLCB3cm9uZ2x5LCBp biDigJxyZWFkeeKAnQo+IHN0YXRlIChieSBjaGVja2luZyBvbmx5IG9uZSBiaXQpLiBIb3dldmVy LCBhdCB0aGlzIG1vbWVudCB0aGUgVFBNIGlzLCBpbgo+IGZhY3QsIGluICJJZGxlIiBzdGF0ZSBh bmQgcmVtYWlucyBpbiAiSWRsZSIgc3RhdGUgYmVjYXVzZQo+ICJ0cG1fdGlzX3JlYWR5KGNoaXAp OyIgd2FzIG5vdCBleGVjdXRlZC4KPiBXYWl0aW5nIGZvciB0aGUgY29uZGl0aW9uIFRQTV9TVFMu dHBtR28gPT0gMCwgd2lsbCBlbnN1cmUgdGhhdCB0aGUgVFBNCj4gc3RhdHVzIHJlZ2lzdGVyIGhh cyB0aGUgY29ycmVjdCB2YWx1ZS4KPiAKPiBTdWdnZXN0ZWQtYnk6IEJlbm9pdCBIb3V5ZXJlIDxi ZW5vaXQuaG91eWVyZUBzdC5jb20+Cj4gU2lnbmVkLW9mZi1ieTogQW1pciBNaXppbnNraSA8YW1p cm1pemk2QGdtYWlsLmNvbT4KPiAtLS0KPiDCoGRyaXZlcnMvY2hhci90cG0vdHBtX3Rpc19jb3Jl LmMgfCA4ICsrKysrKystCj4gwqAxIGZpbGUgY2hhbmdlZCwgNyBpbnNlcnRpb25zKCspLCAxIGRl bGV0aW9uKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvY2hhci90cG0vdHBtX3Rpc19jb3Jl LmMgYi9kcml2ZXJzL2NoYXIvdHBtL3RwbV90aXNfY29yZS5jCj4gaW5kZXggOTBkOTJhMS4uZjA2 YzZjNiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2NoYXIvdHBtL3RwbV90aXNfY29yZS5jCj4gKysr IGIvZHJpdmVycy9jaGFyL3RwbS90cG1fdGlzX2NvcmUuYwo+IEBAIC0xNzcsOCArMTc3LDE0IEBA IHN0YXRpYyBpbnQgcmVxdWVzdF9sb2NhbGl0eShzdHJ1Y3QgdHBtX2NoaXAgKmNoaXAsIGludCBs KQo+IMKgwqDCoMKgwqDCoMKgwqB9IGVsc2Ugewo+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgLyogd2FpdCBmb3IgYnVyc3Rjb3VudCAqLwo+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgZG8gewo+IC3CoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgaWYgKGNoZWNrX2xvY2FsaXR5KGNoaXAsIGwpKQo+ICvCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgaWYgKGNoZWNrX2xvY2FsaXR5KGNoaXAsIGwpKSB7 Cj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgaWYgKHdhaXRfZm9yX3RwbV9zdGF0KGNoaXAsIFRQTV9TVFNfR08sIDAsCj4gK8Kg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgY2hp cC0+dGltZW91dF9jLAo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgICZwcml2LT5pbnRfcXVldWUsCj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgZmFsc2UpIDwgMCkKCkRvZXMgdGhp cyBjb21waWxlIHdpdGggdGhlIGNoYW5nZSBpbiAxLzY/CgovSmFya2tvCgo=