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 X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6864C3A5A1 for ; Wed, 28 Aug 2019 04:30:41 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 26D792064A for ; Wed, 28 Aug 2019 04:30:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 26D792064A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 46JCTp3bRYzDqVj for ; Wed, 28 Aug 2019 14:30:38 +1000 (AEST) Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 46JCM323X3zDqqJ for ; Wed, 28 Aug 2019 14:24:47 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix) id 46JCM30cbJz9sDB; Wed, 28 Aug 2019 14:24:47 +1000 (AEST) Received: by ozlabs.org (Postfix, from userid 1034) id 46JCM30MgNz9sDQ; Wed, 28 Aug 2019 14:24:47 +1000 (AEST) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: d8f0e0b073e1ec52a05f0c2a56318b47387d2f10 In-Reply-To: <20190524024647.381-1-cmr@informatik.wtf> To: "Christopher M. Riedl" , linuxppc-dev@ozlabs.org From: Michael Ellerman Subject: Re: [PATCH v5] powerpc/64s: support nospectre_v2 cmdline option Message-Id: <46JCM30MgNz9sDQ@ozlabs.org> Date: Wed, 28 Aug 2019 14:24:47 +1000 (AEST) 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: "Christopher M. Riedl" , Andrew Donnellan Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Fri, 2019-05-24 at 02:46:48 UTC, "Christopher M. Riedl" wrote: > Add support for disabling the kernel implemented spectre v2 mitigation > (count cache flush on context switch) via the nospectre_v2 and > mitigations=off cmdline options. > > Suggested-by: Michael Ellerman > Signed-off-by: Christopher M. Riedl > Reviewed-by: Andrew Donnellan Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/d8f0e0b073e1ec52a05f0c2a56318b47387d2f10 cheers