Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp525428yba; Mon, 1 Apr 2019 11:04:03 -0700 (PDT) X-Google-Smtp-Source: APXvYqy04GbOl6jdhxm9FfIQnqUWmnr3E4BpfzwWs4yI9WMQ0q3XUrQtqVYQ1kmb+noPRp0qbpp5 X-Received: by 2002:a63:2c4a:: with SMTP id s71mr22895136pgs.373.1554141843498; Mon, 01 Apr 2019 11:04:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1554141843; cv=none; d=google.com; s=arc-20160816; b=vWCZ2kxjDNOA52oB4GmaoHbEo4ZgKqlWdrx8RIkl77Uwo7TJ5TPvjsfjVZOhjdnsJX 0ULv0JXAOQbXOuHQEsbMieb0yddc9IDLSr9gwm6LTBbDBB0JjFx3yCpuDhb80i7QbOyj gsxDw349nhcmy2U4hQadWdSEsjRLSrdEP9D2a/PwCYhBokdckU7rGShhtNtKKRZZK1Y3 9Nnda7YoR4Wa3absksdxPSdUJss7ccoA7Un2hB6/KA/iWivgQ3/CubcoYTdwrAAZwinl 6+xHmCYldYU9e4I4En1rnhpOIR5MgFTcnOswN2ftPQfbn9uDODqqoSUX3uK//RqkSfQe 9TQg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=NI3oACpFCNOBU1eBBkx7HfaNJihL8vor44Ym//oB4sw=; b=CqWeo3NBKYKoBMZCGvwsnTH9W/wF26QAo9hcVCHUKIp/0UrWaCD9GpqHmkmAYdyp9p tMnnw6OZmOIbl1Q13G44bDBkUHPQ3yvAAcX7H4lhcdoI7x/c1TTowrzF4aM669B06Bgf hPa/vJSQ3MGFNnZ0CjTnkwvzUkj9kJ/KNMv21WQDLD1CotTk7R8fwTQF8fhUZQA0Qun1 +hCNJfjEhzUQa6UtdGGAU1QSRbF55BHoSct4u7RU4RwnRrpFrIGIAy14aQLkNvdPibr5 zG5j5a5ylBC6pjWfcetOsC8HNW3lwlcVS0ph0RvzkbHtJrLhuymmqwvrIS27hZGqUmGE WuBA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=uWkgH12U; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 131si5078252pfw.131.2019.04.01.11.03.48; Mon, 01 Apr 2019 11:04:03 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=uWkgH12U; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730765AbfDASDL (ORCPT + 99 others); Mon, 1 Apr 2019 14:03:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:37310 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730711AbfDAROL (ORCPT ); Mon, 1 Apr 2019 13:14:11 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D213C206C0; Mon, 1 Apr 2019 17:14:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554138851; bh=b347yUUGHyNlAoYKlrBbt0PYJZGYlOpqx+OCX4+BFFI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uWkgH12USm+Bmc7hRlSfo2RVpVe8f47Mzpn+ErPs62zmTqUWDfKEKw6nIjuJeE2Ng aR2ubBNhx7oPyLIXFcuNLdeRdnq1l56jPDWjhzs/o8eRGk2/YbiYI4FqTIk6V+htzL Jui5b3poX6NH1olrQtdDf6Q1+/z8G6cQPox3Hto0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Diana Craciun , Michael Ellerman Subject: [PATCH 4.19 040/134] powerpc/fsl: Enable runtime patching if nospectre_v2 boot arg is used Date: Mon, 1 Apr 2019 19:01:16 +0200 Message-Id: <20190401170048.429498197@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190401170044.243719205@linuxfoundation.org> References: <20190401170044.243719205@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Diana Craciun commit 3bc8ea8603ae4c1e09aca8de229ad38b8091fcb3 upstream. If the user choses not to use the mitigations, replace the code sequence with nops. Signed-off-by: Diana Craciun Signed-off-by: Michael Ellerman Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/kernel/setup-common.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -973,6 +973,7 @@ void __init setup_arch(char **cmdline_p) ppc_md.setup_arch(); setup_barrier_nospec(); + setup_spectre_v2(); paging_init();