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 34BC5C352A1 for ; Tue, 6 Dec 2022 12:30:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232490AbiLFMab (ORCPT ); Tue, 6 Dec 2022 07:30:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44588 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231888AbiLFMaa (ORCPT ); Tue, 6 Dec 2022 07:30:30 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D3B6928E2C for ; Tue, 6 Dec 2022 04:30:29 -0800 (PST) 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 8C28FB80D69 for ; Tue, 6 Dec 2022 12:30:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EE8BCC433D6; Tue, 6 Dec 2022 12:30:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1670329827; bh=rq/qVCxln7rB9L2wP2aLeDFVGlk15M7p1/r/mtRoSZc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=T6/Do6issPbILpO5m+Siqb0mYlwty4uHkwyNMxCuSsYFJcPeWQIFrT4MYUfPaGFds 4YuBpPA33JEM5MgJRC2q8mO8Q+jzQdTarJrQbIA9mJJHth4J7PAA3mIwfTGTpuIFuD h69xXbQqVUUUI3e/48laLt4O9ey6x2NvHNDnwGEA= Date: Tue, 6 Dec 2022 13:30:24 +0100 From: Greg KH To: Ben Hutchings Cc: stable@vger.kernel.org, Peter Zijlstra , Alexandre Chartre , Josh Poimboeuf , Thadeu Lima de Souza Cascardo , Suleiman Souhlal Subject: Re: [PATCH 4.14 0/2] x86/speculation: Regression fixes Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, Dec 05, 2022 at 11:09:55PM +0100, Ben Hutchings wrote: > Fix two regressions introudced by recent speculation mitigations > on the 4.14 branch: > > - Crash on older 32-bit processors > - Build warning from objtool > > Ben. > > Ben Hutchings (1): > Revert "x86/speculation: Change FILL_RETURN_BUFFER to work with > objtool" > > Peter Zijlstra (1): > x86/nospec: Fix i386 RSB stuffing > > arch/x86/include/asm/nospec-branch.h | 24 +++++++++++++++++++----- > 1 file changed, 19 insertions(+), 5 deletions(-) > Now queued up, thanks. greg k-h