From patchwork Mon May 16 20:54:37 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Boehme X-Patchwork-Id: 573233 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 107C3C433F5 for ; Mon, 16 May 2022 21:13:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345574AbiEPVNj (ORCPT ); Mon, 16 May 2022 17:13:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36308 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349398AbiEPVM0 (ORCPT ); Mon, 16 May 2022 17:12:26 -0400 Received: from mout-p-101.mailbox.org (mout-p-101.mailbox.org [80.241.56.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AF30540E46 for ; Mon, 16 May 2022 14:04:21 -0700 (PDT) Received: from smtp202.mailbox.org (smtp202.mailbox.org [IPv6:2001:67c:2050:b231:465::202]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-101.mailbox.org (Postfix) with ESMTPS id 4L2BMr2HXhz9sS6 for ; Mon, 16 May 2022 22:55:04 +0200 (CEST) From: Markus Boehme To: stable@vger.kernel.org Subject: [PATCH 5.4 0/2] x86/xen: Make the idle task stacks reliable Date: Mon, 16 May 2022 22:54:37 +0200 Message-Id: <20220516205439.255114-1-markubo@amazon.com> MIME-Version: 1.0 X-MBO-RS-META: nry8i5mrkqwj19bbisashsrexm6n87gg X-MBO-RS-ID: cfc89b47120c6217942 X-Rspamd-Queue-Id: 4L2BMr2HXhz9sS6 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Linux v5.7 introduced a couple patches to make walking the stack of the idle tasks reliable when Linux runs as a Xen PV guest. Attached are the backports for the 5.4 LTS, which are of special interest when using the livepatch subsystem. Markus