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 02AD4C43334 for ; Wed, 20 Jul 2022 07:48:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239087AbiGTHsf (ORCPT ); Wed, 20 Jul 2022 03:48:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35434 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231910AbiGTHs3 (ORCPT ); Wed, 20 Jul 2022 03:48:29 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C98F45A8A0; Wed, 20 Jul 2022 00:48:28 -0700 (PDT) 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 dfw.source.kernel.org (Postfix) with ESMTPS id 670D961953; Wed, 20 Jul 2022 07:48:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 33C81C3411E; Wed, 20 Jul 2022 07:48:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1658303307; bh=AikbkVL9wsoNXabyJQJht/n2BbeKYHlqevsM3Iw1eYI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=BMDQ2uxZE5pDsXjlpKPO9OUbi34vLy6Js4dNVwfZgF6uLc0qPPs4kUMaDVS1PIH17 ckUtmtBFX2zwL+OHRr/vwRdqKxbHy07LloMFFnTSklQBF35JsbSn3Wd5y8JpJQgAJd Hyf7lCTlgxmuhEW3EpWjFitugASSY1vUeNMosW2U= Date: Wed, 20 Jul 2022 09:48:24 +0200 From: Greg KH To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Alexandre Chartre , Kim Phillips , Peter Zijlstra , Borislav Petkov , Josh Poimboeuf , tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, pbonzini@redhat.com, chang.seok.bae@intel.com, pawan.kumar.gupta@linux.intel.com, babu.moger@amd.com, jmattson@google.com, jing2.liu@intel.com, sandipan.das@amd.com, sblbir@amazon.com, keescook@chromium.org, tony.luck@intel.com, jane.malalane@citrix.com, bigeasy@linutronix.de Subject: Re: [PATCH AUTOSEL 5.10 05/25] x86/bugs: Report AMD retbleed vulnerability Message-ID: References: <20220720011616.1024753-1-sashal@kernel.org> <20220720011616.1024753-5-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220720011616.1024753-5-sashal@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 19, 2022 at 09:15:56PM -0400, Sasha Levin wrote: > From: Alexandre Chartre > > [ Upstream commit 6b80b59b3555706508008f1f127b5412c89c7fd8 ] > > Report that AMD x86 CPUs are vulnerable to the RETBleed (Arbitrary > Speculative Code Execution with Return Instructions) attack. > > [peterz: add hygon] > [kim: invert parity; fam15h] > > Co-developed-by: Kim Phillips > Signed-off-by: Kim Phillips > Signed-off-by: Alexandre Chartre > Signed-off-by: Peter Zijlstra (Intel) > Signed-off-by: Borislav Petkov > Reviewed-by: Josh Poimboeuf > Signed-off-by: Borislav Petkov > Signed-off-by: Sasha Levin > --- > arch/x86/include/asm/cpufeatures.h | 1 + > arch/x86/kernel/cpu/bugs.c | 13 +++++++++++++ > arch/x86/kernel/cpu/common.c | 19 +++++++++++++++++++ > drivers/base/cpu.c | 8 ++++++++ > include/linux/cpu.h | 2 ++ > 5 files changed, 43 insertions(+) This part of the larger retbleed series already queued up, so no need to add it again. thanks, greg k-h