From patchwork Sat Jun 11 10:04:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jason A. Donenfeld" X-Patchwork-Id: 1642278 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=zx2c4.com header.i=@zx2c4.com header.a=rsa-sha256 header.s=20210105 header.b=c5ArRhjg; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=112.213.38.117; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4LKtk86t95z9sFk for ; Sat, 11 Jun 2022 20:05:20 +1000 (AEST) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4LKtk74DN4z3bkS for ; Sat, 11 Jun 2022 20:05:19 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=zx2c4.com header.i=@zx2c4.com header.a=rsa-sha256 header.s=20210105 header.b=c5ArRhjg; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=145.40.68.75; helo=ams.source.kernel.org; envelope-from=srs0=qlft=ws=zx2c4.com=jason@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=zx2c4.com header.i=@zx2c4.com header.a=rsa-sha256 header.s=20210105 header.b=c5ArRhjg; dkim-atps=neutral Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4LKtjy0pDyz306l for ; Sat, 11 Jun 2022 20:05:09 +1000 (AEST) 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 ams.source.kernel.org (Postfix) with ESMTPS id 355A2B8360F; Sat, 11 Jun 2022 10:05:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6AABFC34116; Sat, 11 Jun 2022 10:05:05 +0000 (UTC) Authentication-Results: smtp.kernel.org; dkim=pass (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b="c5ArRhjg" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zx2c4.com; s=20210105; t=1654941903; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=K8Fih1pMzbVI+b3h1u5AjgJXQiwLKTClqbDyl1iljVs=; b=c5ArRhjg4H54HtkZZoMU9fiXH+0tj5yv7Mf/BNtUopdXPcjeHx+AYoga5qFuwfYji9J5iI jFwKQfMTJJSh38GgD7nJPj8lRKEdb4rGFu1+NrhZsBzg1Raj4iRkNkHYZRrl1yxseL0Bj3 p949vJSpPkmQjvjlp3APGXpYbhTZCFI= Received: by mail.zx2c4.com (ZX2C4 Mail Server) with ESMTPSA id 62c13b0c (TLSv1.3:AEAD-AES256-GCM-SHA384:256:NO); Sat, 11 Jun 2022 10:05:03 +0000 (UTC) From: "Jason A. Donenfeld" To: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Michael Ellerman Subject: [PATCH v2 0/3] powerpc: wire up rng during setup_arch Date: Sat, 11 Jun 2022 12:04:44 +0200 Message-Id: <20220611100447.5066-1-Jason@zx2c4.com> MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Jason A. Donenfeld" Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" The platform's RNG must be available before random_init() in order to be useful for initial seeding, which in turn means that it needs to be called from setup_arch(), rather than from an init call. This series wires that up properly on the three platforms that currently initialize the RNG from the wrong place. Jason A. Donenfeld (3): powerpc/microwatt: wire up rng during setup_arch powerpc/powernv: wire up rng during setup_arch powerpc/pseries: wire up rng during setup_arch arch/powerpc/platforms/microwatt/rng.c | 9 ++------- arch/powerpc/platforms/microwatt/setup.c | 8 ++++++++ arch/powerpc/platforms/powernv/rng.c | 17 ++++------------- arch/powerpc/platforms/powernv/setup.c | 4 ++++ arch/powerpc/platforms/pseries/rng.c | 11 ++--------- arch/powerpc/platforms/pseries/setup.c | 3 +++ 6 files changed, 23 insertions(+), 29 deletions(-)