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[2620:137:e000::1:20]) by mx.google.com with ESMTP id q24-20020a637518000000b0056531daa6a0si1950126pgc.79.2023.08.09.08.39.08; Wed, 09 Aug 2023 08:39:21 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=p7UCzO8U; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234264AbjHIPed (ORCPT + 99 others); Wed, 9 Aug 2023 11:34:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37828 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233617AbjHIPeR (ORCPT ); Wed, 9 Aug 2023 11:34:17 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B06981FFE for ; Wed, 9 Aug 2023 08:34:16 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (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 dfw.source.kernel.org (Postfix) with ESMTPS id 4706863E16 for ; Wed, 9 Aug 2023 15:34:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E3B15C433C7; Wed, 9 Aug 2023 15:34:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1691595255; bh=FpXLJiZZ8wkMTe/55YAeMEAs5DB5FhItaLWkPfeYvvs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=p7UCzO8Ule2ijgzxb7OloNb00khgYswfJxG5Dh0/jDpuQC4CO6rf/ZEoLI4RHqPat iBH8yoEmNjx0fBUicWj1WOVn5aBWfvkzc5ldcXaj9Ot30fW3qtHF3HlHU3Bk1J6v5H TTKDWrK/sAycapxrdZHqbuTMxiwNC1+qbA5ReuQc5rlg6lLFhnqD8sKm3zO5P2xVUe EZwxxLJhJLim3YJp2+Yb4W94hN0dKnKDsKaKxvGpfHC6QiZxLMs4+oLAOHxrvgeNAy 0D4WxRXcVyHNhouSCoibi5VjV8RZimdCC+9UGrDz2oOAb7NoWNH38umu/NKNeCnOLr 5ey6V6tLvqXzQ== Date: Wed, 9 Aug 2023 11:34:12 -0400 From: Josh Poimboeuf To: Peter Zijlstra Cc: x86@kernel.org, linux-kernel@vger.kernel.org, David.Kaplan@amd.com, Andrew.Cooper3@citrix.com, gregkh@linuxfoundation.org Subject: Re: [RFC][PATCH 11/17] x86/cpu: Remove all SRSO interface nonsense Message-ID: <20230809153412.dc232rqedqlrjlgc@treble> References: <20230809071218.000335006@infradead.org> <20230809072201.192502969@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20230809072201.192502969@infradead.org> X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 09, 2023 at 09:12:29AM +0200, Peter Zijlstra wrote: > Now that retbleed can do all that the srso knob did, and without the > dubious interactions with retbleed selections, remove it. > > Signed-off-by: Peter Zijlstra (Intel) > --- > arch/x86/kernel/cpu/bugs.c | 188 ++------------------------------------------- > drivers/base/cpu.c | 8 - > include/linux/cpu.h | 2 > 3 files changed, 10 insertions(+), 188 deletions(-) Documentation/admin-guide/hw-vuln/srso.rst also needs to be updated... -- Josh