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.trustedfirmware.org (lists.trustedfirmware.org [18.214.241.189]) (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 9A4F1FB3CEB for ; Mon, 30 Mar 2026 09:51:25 +0000 (UTC) Received: from lists.trustedfirmware.org (localhost [127.0.0.1]) by lists.trustedfirmware.org (Postfix) with ESMTP id D4B63443AA for ; Mon, 30 Mar 2026 09:51:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lists.trustedfirmware.org; s=2024; t=1774864284; bh=LzROeYjqa/yN3adlCvD5mSSp3MM2MquA76x8iW7FSQA=; h=Date:To:Subject:References:In-Reply-To:CC:List-Id:List-Archive: List-Help:List-Owner:List-Post:List-Subscribe:List-Unsubscribe: From:Reply-To:From; b=JlTTNzHAsJwSZnzJCbzb+RBGbbmAJH9OOuroSuS2C7sMVCHVeC7f96LQ1XQZAt1DT P2DSS4qcMw+BiV4enEIxxDDvNxvCnEz66IH80LtgMXLj/53xSuKJxVRPSy51WkFAVx tzhmi8MaAgx3HQxzeotIpeYB4pk349N0OlbGidDJOJV8kgryer9uzQYED4oUt3kaDF fTKeZ1hEJgJMXQX1xyFeIxssFEkIRgsTMu7M/eBu31bmGk3UTWEZ/jd5CoFAY064Qk 4XQhHRZ/SoyRzPu0Z5BPK84Mr7QOZ8Q0jwMHaelPXJM9c3oUBqZZIbH1Uk403I0sSP ooAw3R42s+vFA== Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by lists.trustedfirmware.org (Postfix) with ESMTPS id 5FC1A43A6B for ; Mon, 30 Mar 2026 09:51:18 +0000 (UTC) Authentication-Results: lists.trustedfirmware.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=d8cNZb5G; dkim-atps=neutral Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id AFB0560128; Mon, 30 Mar 2026 09:51:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F38C5C4CEF7; Mon, 30 Mar 2026 09:51:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774864277; bh=tgl3dr9aMV5OFKhDYEwEa46R/FsBwkPwWB3ABPXPouo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=d8cNZb5GQbAi9K0mHDR4X7lvRg2c82HlFOBKX4T6xV/XZ91hxXrBTIlF+sx4cAE2x n8uJyXsV8LCtj9tISvP6fIWXAsJYjaP4yU7UFQYB8d+dBUUGrv8MJsgvNqZv+GzF5O H2yTy3Yk2Ifro4TVq/L9tlUheZ6A6jJm25m95x0BNtw+uDZQLsoo7llhuBPtXHS8si 5SzzDKC1pqWzdc14+UewF/rDUOSY3bRyf8VUjLyTEjo/27YoljvYsYkL9bR0MKUv6B FvLK+d1C1uFkwE358PbeXJjnzQLiBq3R4UXDr38tMfY1lsqz6zu7AUzVJh0PhsS0gt AWzH0bDAbGgww== Date: Mon, 30 Mar 2026 15:21:12 +0530 To: Jens Wiklander Subject: Re: Possible race during OP-TEE kernel module device probing Message-ID: References: <0c8f7f5d4736287c36df973c593b7706fd36220b.camel@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: base64 In-Reply-To: X-Rspamd-Action: no action X-Spamd-Result: default: False [-4.50 / 15.00]; BAYES_HAM(-3.00)[99.99%]; DWL_DNSWL_LOW(-1.00)[kernel.org:dkim]; DMARC_POLICY_ALLOW(-0.50)[kernel.org,quarantine]; MID_RHS_NOT_FQDN(0.50)[]; R_DKIM_ALLOW(-0.20)[kernel.org:s=k20201202]; R_SPF_ALLOW(-0.20)[+ip4:172.105.4.254]; MIME_GOOD(-0.10)[text/plain]; TO_DN_EQ_ADDR_SOME(0.00)[]; ASN(0.00)[asn:63949, ipnet:172.105.0.0/19, country:SG]; MIME_TRACE(0.00)[0:+]; MISSING_XM_UA(0.00)[]; ARC_NA(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; ALIAS_RESOLVED(0.00)[]; RCVD_TLS_LAST(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; FROM_EQ_ENVFROM(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DKIM_TRACE(0.00)[kernel.org:+] X-Rspamd-Server: lists.trustedfirmware.org X-Rspamd-Queue-Id: 5FC1A43A6B X-Spamd-Bar: ---- Message-ID-Hash: 3NY5ACMNT4DCXIK54WP4FN37LHPY3AVE X-Message-ID-Hash: 3NY5ACMNT4DCXIK54WP4FN37LHPY3AVE X-MailFrom: sumit.garg@kernel.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-op-tee.lists.trustedfirmware.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: Shf Chen =?utf-8?B?KOmZs+WwkeeUqyk=?= , "op-tee@lists.trustedfirmware.org" X-Mailman-Version: 3.3.5 Precedence: list List-Id: Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Sumit Garg via OP-TEE Reply-To: Sumit Garg T24gTW9uLCBNYXIgMzAsIDIwMjYgYXQgMTE6MTY6NTlBTSArMDIwMCwgSmVucyBXaWtsYW5kZXIg d3JvdGU6DQo+IEhpLA0KPiANCj4gT24gTW9uLCBNYXIgMzAsIDIwMjYgYXQgNjowN+KAr0FNIFNo ZiBDaGVuICjpmbPlsJHnlKspIHZpYSBPUC1URUUNCj4gPG9wLXRlZUBsaXN0cy50cnVzdGVkZmly bXdhcmUub3JnPiB3cm90ZToNCj4gPg0KPiA+IE9uIEZyaSwgMjAyNi0wMy0yNyBhdCAxNTozMSAr MDUzMCwgU3VtaXQgR2FyZyB3cm90ZToNCj4gPiA+IE9uIEZyaSwgTWFyIDI3LCAyMDI2IGF0IDA5 OjAxOjE1QU0gKzAwMDAsIFNoZiBDaGVuICjpmbPlsJHnlKspIHZpYSBPUC1URUUgd3JvdGU6DQo+ ID4gPiA+IEhpLA0KPiA+ID4gPg0KPiA+ID4gPiBXZSBmb3VuZCBhIHBvc3NpYmxlIHJhY2UgY29u ZGl0aW9uIGlzc3VlIGR1cmluZyBPUC1URUUga2VybmVsIGRyaXZlciBwcm9iaW5nIHRoZSBkZXZp Y2UuDQo+ID4gPiA+IEEgTlVMTCBwb2ludGVyIGRlcmVmZXJlbmNlIGV4Y2VwdGlvbiBjYW4gaGFw cGVuIHdoZW4gYW5vdGhlciBrZXJuZWwgZHJpdmVyIG9wZW4gT1AtVEVFIGNvbnRleHQNCj4gPiA+ ID4gd2l0aCB0ZWVfY2xpZW50X29wZW5fY29udGV4dCgpIHRoZW4gZG8gYSBTTUMgY2FsbCB0byBP UC1URUUuDQo+ID4gPiA+IEJlbG93IGlzIHRoZSBleGNlcHRpb246DQo+ID4gPg0KPiA+ID4gSG93 IGlzIHlvdXIga2VybmVsIGRyaXZlciBiZWluZyBwcm9iZWQ/IEhhdmUgeW91IHJlZ2lzdGVyZWQg aXQgYXMgYQ0KPiA+ID4gcHJvcGVyIFRFRSBidXMgZHJpdmVyPyBBbnkgY3VzdG9tIHdheXMgdG8g aW52b2tlIFRFRSBrZXJuZWwgY2xpZW50IEFQSXMNCj4gPiA+IGFyZSBzdXJlbHkgc3VzY2VwdGli bGUgdG8gcmFjZXMgbGlrZSB0aGUgb25lIHlvdSBtZW50aW9uZWQgYmVsb3cuDQo+ID4gPg0KPiA+ ID4gLVN1bWl0DQo+ID4NCj4gPiBIaSwNCj4gPg0KPiA+IE91ciBrZXJuZWwgZHJpdmVyIGRvZXMg bm90IHJlZ2lzdGVyZWQgYXMgYSBURUUgYnVzIGRyaXZlciBmb3Igc29tZSByZWFzb25zLA0KPiA+ IGFuZCB3ZSBuZWVkIHRvIHVzZSBvdGhlciBBUEkgdG8gZW5zdXJlIHRoZSBPUC1URUUgZHJpdmVy IGlzIHByb2JlZCB0bw0KPiA+IHdvcmthcm91bmQgdGhpcyBpc3N1ZS4gQnV0LCB3ZSB0aGluayB0 aGlzIGlzIGVycm9yLXByb25lIGZvciBtb2R1bGUgZGV2ZWxvcGVyDQo+ID4gdGhhdCBuZWVkIHRv IGNhbGwgdG8gT1AtVEVFLg0KDQpUaGUga2VybmVsIG1vZHVsZXMgQVBJIGZvciBPUC1URUUgaXMg dmlhIFRFRSBidXMgb25seS4NCg0KPiA+DQo+ID4gQWx0aG91Z2ggdGhpcyBpcyBub3QgdGhlIGNh c2UsIEkgdGhpbmsgdGhhdCBhZnRlciBjYWxsaW5nIHRlZV9kZXZpY2VfcmVnaXN0ZXIoKSwNCj4g PiB0aGUgb3B0ZWUgZGV2aWNlIGlzIHNob3duIHVuZGVyIGAvZGV2L2AgZmlsZXN5c3RlbS4gVGhl cmUgaXMgYSB2ZXJ5IHNtYWxsIGNoYW5jZQ0KPiA+IGZvciB1c2Vyc3BhY2UgcHJvZ3JhbSB0byB0 cmlnZ2VyIHRoaXMgcmFjZSBjb25kaXRpb24sIGFuZCB0aGV5IGRvbid0IGhhdmUgY2x1ZSBvbg0K PiA+IHdoZXRoZXIgdGhlIGRldmljZSBpcyBwcm9wZXJseSBiZWluZyBwcm9iZWQgeWV0Lg0KPiAN Cj4gSSB0aGluayB5b3UncmUgb24gdG8gc29tZXRoaW5nLiBBZnRlciBjYWxsaW5nIHRlZV9kZXZp Y2VfcmVnaXN0ZXIoKSwNCj4gdGhlIGRyaXZlciBtdXN0IGJlIGFibGUgdG8gaGFuZGxlIHJlcXVl c3RzLCBhdCBsZWFzdCB3aXRob3V0IGNyYXNoaW5nLg0KPiBvcHRlZV9lbnVtZXJhdGVfZGV2aWNl cygpIHJlcXVpcmVzIHRoZSBkZXZpY2VzIHRvIGJlIHJlZ2lzdGVyZWQsIHNvDQo+IHRoYXQgbXVz dCBoYXBwZW4gYWZ0ZXIgdGhvc2UgY2FsbHMuIEJ1dCBvdGhlciB0aGFuIHRoYXQsIEkgdGhpbmsg dGhlDQo+IGNhbGxzIHRvICB0ZWVfZGV2aWNlX3JlZ2lzdGVyKCkgc2hvdWxkIGJlIHRoZSBsYXN0 IHRoaW5nIGluIHRoZSBwcm9iZQ0KPiBmdW5jdGlvbi4NCj4gDQo+IFN1bWl0LCBkbyB5b3UgYWdy ZWU/DQo+IA0KDQpTb3VuZHMgcmVhc29uYWJsZSB0byBtZSBpZiBpdCdzIHNvbWV0aGluZyB0aGF0 IGNhbiBiZSByZXByb2R1Y2VkIHZpYQ0KdGhlIHVzZXItc3BhY2UgY2xpZW50Lg0KDQotU3VtaXQN Cg==