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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0BCFC433EF for ; Mon, 18 Jul 2022 12:53:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234717AbiGRMx6 (ORCPT ); Mon, 18 Jul 2022 08:53:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44806 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234564AbiGRMxz (ORCPT ); Mon, 18 Jul 2022 08:53:55 -0400 Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD3012C2; Mon, 18 Jul 2022 05:53:50 -0700 (PDT) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4LmhjM6Tyvz4xL4; Mon, 18 Jul 2022 22:53:43 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1658148826; bh=SgPxyBJcHGr81rN/PCtKiWXwYtSKRO2w9sb5M0yS/pU=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=rYUSYTCmldp3zN6k/ysHQC4QOd4JlL88muNz4v08jJK1s2WGTd3Mzi3YvFcU0K1vn W9DjCRjYAUlAqCOsgnj9C2L03vYDPzdtzucwIqSf9LlRFHwnOxDjFTzYnRJ7sF7Qh7 s7WWq+PLlyqwqYFgoflfRl2VvnXJyrMtwl/lsuIfyzK3l1gMB3Crb5m0jy6Mxv5+Dh aGLrf18lWzXpBPZggcYl8BALR0j3fUTopMtowWx4R5DdSKPEOSU5EIjA0QWTpE5Yrx TOB8RIY3sLW94KzeZkoH+eaXTCtIMN8zUbNlcSlD+ryvYxI0pWTlI+XB/pQMZmjzg0 n4k9AuAcZSRYQ== From: Michael Ellerman To: "Jason A. Donenfeld" , Borislav Petkov , "H. Peter Anvin" , linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org, Catalin Marinas , Will Deacon , Heiko Carstens , Alexander Gordeev , Thomas Gleixner , Greg Kroah-Hartman , Arnd Bergmann , Borislav Petkov Cc: "Jason A. Donenfeld" Subject: Re: [PATCH v5] random: remove CONFIG_ARCH_RANDOM In-Reply-To: <20220708004032.733426-1-Jason@zx2c4.com> References: <20220706143521.459565-1-Jason@zx2c4.com> <20220708004032.733426-1-Jason@zx2c4.com> Date: Mon, 18 Jul 2022 22:53:38 +1000 Message-ID: <877d4aeg4t.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org "Jason A. Donenfeld" writes: > When RDRAND was introduced, there was much discussion on whether it > should be trusted and how the kernel should handle that. Initially, two > mechanisms cropped up, CONFIG_ARCH_RANDOM, a compile time switch, and > "nordrand", a boot-time switch. ... > > arch/arm/include/asm/archrandom.h | 2 ++ > arch/arm64/Kconfig | 8 ------ > arch/arm64/include/asm/archrandom.h | 10 -------- > arch/arm64/kernel/cpufeature.c | 2 -- > arch/powerpc/Kconfig | 3 --- > arch/powerpc/include/asm/archrandom.h | 3 --- > arch/powerpc/include/asm/machdep.h | 2 -- > arch/powerpc/platforms/microwatt/Kconfig | 1 - > arch/powerpc/platforms/powernv/Kconfig | 1 - > arch/powerpc/platforms/pseries/Kconfig | 1 - Acked-by: Michael Ellerman (powerpc) cheers 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 38B23C43334 for ; Mon, 18 Jul 2022 12:55:06 +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:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=rwO5QQOmkMyAahPqTIaWNXHJFD7dPuC1Oc0J8HC2KBo=; b=O3fRzToqX7nDko JgcAJSuoNWIzkS8SFJ17M3VQy6Ne+zFfvGXDvLxJcxqzIsQGcusAb7OXBGqhf6rsaC42VR4n/tytC QskHU/YXCfTqFvENa2Ebura1FuEuECsrJ0G0TBWtwywoMteRVmXfAxUNXvjp3ZGsbJyqmkdSzD2O9 D9Wucc0L9XTl+03Qnw6lNwqq7VC5ZYzz0MsXin8h3Ksak/I8mmu3wwQ9x+SPkk+woCJ0VYz2+0QHB XYrO63flMoVxEILFwg9QZoRc/pAf2q6fL5Ca/SJBSK+VtOpR2saDbKba11xSoj52j6w8cE519aMyU nHOdhGYVXChH4Fgs0QZQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oDQG7-00DTl3-0r; Mon, 18 Jul 2022 12:53:59 +0000 Received: from mail.ozlabs.org ([2404:9400:2221:ea00::3] helo=gandalf.ozlabs.org) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oDQG3-00DTeo-3x for linux-arm-kernel@lists.infradead.org; Mon, 18 Jul 2022 12:53:56 +0000 Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4LmhjM6Tyvz4xL4; Mon, 18 Jul 2022 22:53:43 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1658148826; bh=SgPxyBJcHGr81rN/PCtKiWXwYtSKRO2w9sb5M0yS/pU=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=rYUSYTCmldp3zN6k/ysHQC4QOd4JlL88muNz4v08jJK1s2WGTd3Mzi3YvFcU0K1vn W9DjCRjYAUlAqCOsgnj9C2L03vYDPzdtzucwIqSf9LlRFHwnOxDjFTzYnRJ7sF7Qh7 s7WWq+PLlyqwqYFgoflfRl2VvnXJyrMtwl/lsuIfyzK3l1gMB3Crb5m0jy6Mxv5+Dh aGLrf18lWzXpBPZggcYl8BALR0j3fUTopMtowWx4R5DdSKPEOSU5EIjA0QWTpE5Yrx TOB8RIY3sLW94KzeZkoH+eaXTCtIMN8zUbNlcSlD+ryvYxI0pWTlI+XB/pQMZmjzg0 n4k9AuAcZSRYQ== From: Michael Ellerman To: "Jason A. Donenfeld" , Borislav Petkov , "H. Peter Anvin" , linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org, Catalin Marinas , Will Deacon , Heiko Carstens , Alexander Gordeev , Thomas Gleixner , Greg Kroah-Hartman , Arnd Bergmann , Borislav Petkov Cc: "Jason A. Donenfeld" Subject: Re: [PATCH v5] random: remove CONFIG_ARCH_RANDOM In-Reply-To: <20220708004032.733426-1-Jason@zx2c4.com> References: <20220706143521.459565-1-Jason@zx2c4.com> <20220708004032.733426-1-Jason@zx2c4.com> Date: Mon, 18 Jul 2022 22:53:38 +1000 Message-ID: <877d4aeg4t.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220718_055355_321335_A6A0CFEE X-CRM114-Status: GOOD ( 10.09 ) 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="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org "Jason A. Donenfeld" writes: > When RDRAND was introduced, there was much discussion on whether it > should be trusted and how the kernel should handle that. Initially, two > mechanisms cropped up, CONFIG_ARCH_RANDOM, a compile time switch, and > "nordrand", a boot-time switch. ... > > arch/arm/include/asm/archrandom.h | 2 ++ > arch/arm64/Kconfig | 8 ------ > arch/arm64/include/asm/archrandom.h | 10 -------- > arch/arm64/kernel/cpufeature.c | 2 -- > arch/powerpc/Kconfig | 3 --- > arch/powerpc/include/asm/archrandom.h | 3 --- > arch/powerpc/include/asm/machdep.h | 2 -- > arch/powerpc/platforms/microwatt/Kconfig | 1 - > arch/powerpc/platforms/powernv/Kconfig | 1 - > arch/powerpc/platforms/pseries/Kconfig | 1 - Acked-by: Michael Ellerman (powerpc) cheers _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel