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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 EDE4BC433F5 for ; Fri, 7 Oct 2022 14:09:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=D/splRDQeNaMl5SSSA9MVHEO33EOsxoouoYbI0qdNKE=; b=4N3Fz+4/TzGd7/ I7p4gM4qCf+WgXg0eP1BcaHzWaDpyEYDO/3a2wQ4moOc2cV9BCfT2VtWEZb67l9bfNe64p9zaK5+x 7LNY8HEfHCv0l0kh9alyNRDKHQBECQtIz/zCenNxtpryvyV5QR2hhO4jB1xat/TwNf4BAqOVf7KPT 6VdVc1zsS5uuJsR27OZWTScGL7rHfrdhU2DTS01/XpZvilDvisSE4wdFFtQadbEqApYKIKHB7q9Uo 0KIXcCIIEdxaFeHY69uB1EdThCs0xFouSbOFkA16r6cOZ+6XHV9vuizI4HwMP5ugvUo5iiXckAzpO CF14pciDjjigbxBEh+gQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ogo1Z-009FKP-EW; Fri, 07 Oct 2022 14:08:25 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ogo1T-009FID-Nw; Fri, 07 Oct 2022 14:08:22 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D63CA61D26; Fri, 7 Oct 2022 14:08:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 070E7C433C1; Fri, 7 Oct 2022 14:08:11 +0000 (UTC) Authentication-Results: smtp.kernel.org; dkim=pass (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b="nfYgePI9" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zx2c4.com; s=20210105; t=1665151688; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=GwMExxyHWRhjupCjy80ATuiTjwid+3186g/nbW9UcWo=; b=nfYgePI9KM8BlGnmbR3ouUoTgbqX0bmg+MHxz9qox2mDg1Ao4QNQA34F1ojE6QWVH7lnMZ JCnOmfX2/22xviCjt9MflZdzSKJ6jqjmdSwH6RCVEhuoe4krJ9q8+B6hn4YxZ0DzwoUloS EW51bMUr/eMjeREL5G2BmpFXN0LLrR0= Received: by mail.zx2c4.com (ZX2C4 Mail Server) with ESMTPSA id 7db71c1d (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO); Fri, 7 Oct 2022 14:08:08 +0000 (UTC) Date: Fri, 7 Oct 2022 08:07:58 -0600 From: "Jason A. Donenfeld" To: Christophe Leroy Cc: "linux-kernel@vger.kernel.org" , "patches@lists.linux.dev" , Andreas Noever , Andrew Morton , Andy Shevchenko , Borislav Petkov , Catalin Marinas , Christoph =?utf-8?Q?B=C3=B6hmwalder?= , Christoph Hellwig , Daniel Borkmann , Dave Airlie , Dave Hansen , "David S . Miller" , Eric Dumazet , Florian Westphal , Greg Kroah-Hartman , "H . Peter Anvin" , Heiko Carstens , Helge Deller , Herbert Xu , Huacai Chen , Hugh Dickins , Jakub Kicinski , "James E . J . Bottomley" , Jan Kara , Jason Gunthorpe , Jens Axboe , Johannes Berg , Jonathan Corbet , Jozsef Kadlecsik , KP Singh , Kees Cook , Marco Elver , Mauro Carvalho Chehab , Michael Ellerman , Pablo Neira Ayuso , Paolo Abeni , Peter Zijlstra , Richard Weinberger , Russell King , Theodore Ts'o , Thomas Bogendoerfer , Thomas Gleixner , Thomas Graf , Ulf Hansson , Vignesh Raghavendra , WANG Xuerui , Will Deacon , Yury Norov , "dri-devel@lists.freedesktop.org" , "kasan-dev@googlegroups.com" , "kernel-janitors@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-block@vger.kernel.org" , "linux-crypto@vger.kernel.org" , "linux-doc@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , "linux-media@vger.kernel.org" , "linux-mips@vger.kernel.org" , "linux-mm@kvack.org" , "linux-mmc@vger.kernel.org" , "linux-mtd@lists.infradead.org" , "linux-nvme@lists.infradead.org" , "linux-parisc@vger.kernel.org" , "linux-rdma@vger.kernel.org" , "linux-s390@vger.kernel.org" , "linux-um@lists.infradead.org" , "linux-usb@vger.kernel.org" , "linux-wireless@vger.kernel.org" , "linuxppc-dev@lists.ozlabs.org" , "loongarch@lists.linux.dev" , "netdev@vger.kernel.org" , "sparclinux@vger.kernel.org" , "x86@kernel.org" , Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= , Chuck Lever , Jan Kara Subject: Re: [PATCH v3 3/5] treewide: use get_random_u32() when possible Message-ID: References: <20221006165346.73159-1-Jason@zx2c4.com> <20221006165346.73159-4-Jason@zx2c4.com> <848ed24c-13ef-6c38-fd13-639b33809194@csgroup.eu> <6396875c-146a-acf5-dd9e-7f93ba1b4bc3@csgroup.eu> <501b0fc3-6c67-657f-781e-25ee0283bc2e@csgroup.eu> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <501b0fc3-6c67-657f-781e-25ee0283bc2e@csgroup.eu> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221007_070819_868040_BE4C320D X-CRM114-Status: GOOD ( 33.60 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org T24gRnJpLCBPY3QgMDcsIDIwMjIgYXQgMDQ6NTc6MjRBTSArMDAwMCwgQ2hyaXN0b3BoZSBMZXJv eSB3cm90ZToKPiAKPiAKPiBMZSAwNy8xMC8yMDIyIMOgIDAxOjM2LCBKYXNvbiBBLiBEb25lbmZl bGQgYSDDqWNyaXTCoDoKPiA+IE9uIDEwLzYvMjIsIENocmlzdG9waGUgTGVyb3kgPGNocmlzdG9w aGUubGVyb3lAY3Nncm91cC5ldT4gd3JvdGU6Cj4gPj4KPiA+Pgo+ID4+IExlIDA2LzEwLzIwMjIg w6AgMTk6MzEsIENocmlzdG9waGUgTGVyb3kgYSDDqWNyaXQgOgo+ID4+Pgo+ID4+Pgo+ID4+PiBM ZSAwNi8xMC8yMDIyIMOgIDE5OjI0LCBKYXNvbiBBLiBEb25lbmZlbGQgYSDDqWNyaXQgOgo+ID4+ Pj4gSGkgQ2hyaXN0b3BoZSwKPiA+Pj4+Cj4gPj4+PiBPbiBUaHUsIE9jdCA2LCAyMDIyIGF0IDEx OjIxIEFNIENocmlzdG9waGUgTGVyb3kKPiA+Pj4+IDxjaHJpc3RvcGhlLmxlcm95QGNzZ3JvdXAu ZXU+IHdyb3RlOgo+ID4+Pj4+IExlIDA2LzEwLzIwMjIgw6AgMTg6NTMsIEphc29uIEEuIERvbmVu ZmVsZCBhIMOpY3JpdCA6Cj4gPj4+Pj4+IFRoZSBwcmFuZG9tX3UzMigpIGZ1bmN0aW9uIGhhcyBi ZWVuIGEgZGVwcmVjYXRlZCBpbmxpbmUgd3JhcHBlciBhcm91bmQKPiA+Pj4+Pj4gZ2V0X3JhbmRv bV91MzIoKSBmb3Igc2V2ZXJhbCByZWxlYXNlcyBub3csIGFuZCBjb21waWxlcyBkb3duIHRvIHRo ZQo+ID4+Pj4+PiBleGFjdCBzYW1lIGNvZGUuIFJlcGxhY2UgdGhlIGRlcHJlY2F0ZWQgd3JhcHBl ciB3aXRoIGEgZGlyZWN0IGNhbGwgdG8KPiA+Pj4+Pj4gdGhlIHJlYWwgZnVuY3Rpb24uIFRoZSBz YW1lIGFsc28gYXBwbGllcyB0byBnZXRfcmFuZG9tX2ludCgpLCB3aGljaCBpcwo+ID4+Pj4+PiBq dXN0IGEgd3JhcHBlciBhcm91bmQgZ2V0X3JhbmRvbV91MzIoKS4KPiA+Pj4+Pj4KPiA+Pj4+Pj4g UmV2aWV3ZWQtYnk6IEtlZXMgQ29vayA8a2Vlc2Nvb2tAY2hyb21pdW0ub3JnPgo+ID4+Pj4+PiBB Y2tlZC1ieTogVG9rZSBIw7hpbGFuZC1Kw7hyZ2Vuc2VuIDx0b2tlQHRva2UuZGs+ICMgZm9yIHNj aF9jYWtlCj4gPj4+Pj4+IEFja2VkLWJ5OiBDaHVjayBMZXZlciA8Y2h1Y2subGV2ZXJAb3JhY2xl LmNvbT4gIyBmb3IgbmZzZAo+ID4+Pj4+PiBSZXZpZXdlZC1ieTogSmFuIEthcmEgPGphY2tAc3Vz ZS5jej4gIyBmb3IgZXh0NAo+ID4+Pj4+PiBTaWduZWQtb2ZmLWJ5OiBKYXNvbiBBLiBEb25lbmZl bGQgPEphc29uQHp4MmM0LmNvbT4KPiA+Pj4+Pj4gLS0tCj4gPj4+Pj4KPiA+Pj4+Pj4gZGlmZiAt LWdpdCBhL2FyY2gvcG93ZXJwYy9rZXJuZWwvcHJvY2Vzcy5jCj4gPj4+Pj4+IGIvYXJjaC9wb3dl cnBjL2tlcm5lbC9wcm9jZXNzLmMKPiA+Pj4+Pj4gaW5kZXggMGZiZGE4OWNkMWJiLi45YzRjMTVh ZmJiZTggMTAwNjQ0Cj4gPj4+Pj4+IC0tLSBhL2FyY2gvcG93ZXJwYy9rZXJuZWwvcHJvY2Vzcy5j Cj4gPj4+Pj4+ICsrKyBiL2FyY2gvcG93ZXJwYy9rZXJuZWwvcHJvY2Vzcy5jCj4gPj4+Pj4+IEBA IC0yMzA4LDYgKzIzMDgsNiBAQCB2b2lkIG5vdHJhY2UgX19wcGM2NF9ydW5sYXRjaF9vZmYodm9p ZCkKPiA+Pj4+Pj4gICAgIHVuc2lnbmVkIGxvbmcgYXJjaF9hbGlnbl9zdGFjayh1bnNpZ25lZCBs b25nIHNwKQo+ID4+Pj4+PiAgICAgewo+ID4+Pj4+PiAgICAgICAgIGlmICghKGN1cnJlbnQtPnBl cnNvbmFsaXR5ICYgQUREUl9OT19SQU5ET01JWkUpICYmCj4gPj4+Pj4+IHJhbmRvbWl6ZV92YV9z cGFjZSkKPiA+Pj4+Pj4gLSAgICAgICAgICAgICBzcCAtPSBnZXRfcmFuZG9tX2ludCgpICYgflBB R0VfTUFTSzsKPiA+Pj4+Pj4gKyAgICAgICAgICAgICBzcCAtPSBnZXRfcmFuZG9tX3UzMigpICYg flBBR0VfTUFTSzsKPiA+Pj4+Pj4gICAgICAgICByZXR1cm4gc3AgJiB+MHhmOwo+ID4+Pj4+Cj4g Pj4+Pj4gSXNuJ3QgdGhhdCBhIGNhbmRpZGF0ZSBmb3IgcHJhbmRvbV91MzJfbWF4KCkgPwo+ID4+ Pj4+Cj4gPj4+Pj4gTm90ZSB0aGF0IHNwIGlzIGRlZW1lZCB0byBiZSAxNiBieXRlcyBhbGlnbmVk IGF0IGFsbCB0aW1lLgo+ID4+Pj4KPiA+Pj4+IFllcywgcHJvYmFibHkuIEl0IHNlZW1lZCBub24t dHJpdmlhbCB0byB0aGluayBhYm91dCwgc28gSSBkaWRuJ3QuIEJ1dAo+ID4+Pj4gbGV0J3Mgc2Vl IGhlcmUuLi4gbWF5YmUgaXQncyBub3QgdG9vIGJhZDoKPiA+Pj4+Cj4gPj4+PiBJZiBQQUdFX01B U0sgaXMgYWx3YXlzIH4oUEFHRV9TSVpFLTEpLCB0aGVuIH5QQUdFX01BU0sgaXMKPiA+Pj4+IChQ QUdFX1NJWkUtMSksIHNvIHByYW5kb21fdTMyX21heChQQUdFX1NJWkUpIHNob3VsZCB5aWVsZCB0 aGUgc2FtZQo+ID4+Pj4gdGhpbmc/IElzIHRoYXQgYWNjdXJhdGU/IEFuZCBob2xkcyBhY3Jvc3Mg cGxhdGZvcm1zICh0aGlzIGNvbWVzIHVwIGEKPiA+Pj4+IGZldyBwbGFjZXMpPyBJZiBzbywgSSds bCBkbyB0aGF0IGZvciBhIHY0Lgo+ID4+Pj4KPiA+Pj4KPiA+Pj4gT24gcG93ZXJwYyBpdCBpcyBh bHdheXMgKGZyb20gYXJjaC9wb3dlcnBjL2luY2x1ZGUvYXNtL3BhZ2UuaCkgOgo+ID4+Pgo+ID4+ PiAvKgo+ID4+PiAgICAqIFN1YnRsZTogKDEgPDwgUEFHRV9TSElGVCkgaXMgYW4gaW50LCBub3Qg YW4gdW5zaWduZWQgbG9uZy4gU28gaWYgd2UKPiA+Pj4gICAgKiBhc3NpZ24gUEFHRV9NQVNLIHRv IGEgbGFyZ2VyIHR5cGUgaXQgZ2V0cyBleHRlbmRlZCB0aGUgd2F5IHdlIHdhbnQKPiA+Pj4gICAg KiAoaS5lLiB3aXRoIDFzIGluIHRoZSBoaWdoIGJpdHMpCj4gPj4+ICAgICovCj4gPj4+ICNkZWZp bmUgUEFHRV9NQVNLICAgICAgKH4oKDEgPDwgUEFHRV9TSElGVCkgLSAxKSkKPiA+Pj4KPiA+Pj4g I2RlZmluZSBQQUdFX1NJWkUgICAgICAgICgxVUwgPDwgUEFHRV9TSElGVCkKPiA+Pj4KPiA+Pj4K PiA+Pj4gU28gaXQgd291bGQgd29yayBJIGd1ZXNzLgo+ID4+Cj4gPj4gQnV0IHRha2luZyBpbnRv IGFjY291bnQgdGhhdCBzcCBtdXN0IHJlbWFpbiAxNiBieXRlcyBhbGlnbmVkLCB3b3VsZCBpdAo+ ID4+IGJlIGJldHRlciB0byBkbyBzb21ldGhpbmcgbGlrZSA/Cj4gPj4KPiA+PiAJc3AgLT0gcHJh bmRvbV91MzJfbWF4KFBBR0VfU0laRSA+PiA0KSA8PCA0Owo+ID4+Cj4gPj4gCXJldHVybiBzcDsK PiA+IAo+ID4gRG9lcyB0aGlzIGFzc3VtZSB0aGF0IHNwIGlzIGFscmVhZHkgYWxpZ25lZCBhdCB0 aGUgYmVnaW5uaW5nIG9mIHRoZQo+ID4gZnVuY3Rpb24/IEknZCBhc3N1bWUgZnJvbSB0aGUgZnVu Y3Rpb24ncyBuYW1lIHRoYXQgdGhpcyBpc24ndCB0aGUKPiA+IGNhc2U/Cj4gCj4gQWggeW91IGFy ZSByaWdodCwgSSBvdmVybG9va2VkIGl0LgoKU28gSSB0aGluayB0byBzdGF5IG9uIHRoZSBzYWZl IHNpZGUsIEknbSBnb2luZyB0byBnbyB3aXRoCmBwcmFuZG9tX3UzMl9tYXgoUEFHRV9TSVpFKWAu IFNvdW5kIGdvb2Q/CgpKYXNvbgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkxpbnV4IE1URCBkaXNjdXNzaW9uIG1haWxpbmcgbGlzdApodHRw Oi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW10ZC8K