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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 11DA9C433EF for ; Wed, 22 Jun 2022 16:11:03 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.354195.581248 (Exim 4.92) (envelope-from ) id 1o42wP-0002Lc-BY; Wed, 22 Jun 2022 16:10:53 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 354195.581248; Wed, 22 Jun 2022 16:10:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1o42wP-0002LV-7L; Wed, 22 Jun 2022 16:10:53 +0000 Received: by outflank-mailman (input) for mailman id 354195; Wed, 22 Jun 2022 16:10:52 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1o42wO-0002LP-O0 for xen-devel@lists.xenproject.org; Wed, 22 Jun 2022 16:10:52 +0000 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id e2f09c1f-f245-11ec-b725-ed86ccbb4733; Wed, 22 Jun 2022 18:10:51 +0200 (CEST) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 66ACA21B8F; Wed, 22 Jun 2022 16:10:51 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 1187E134A9; Wed, 22 Jun 2022 16:10:51 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id FVLyAgs/s2JzCwAAMHmgww (envelope-from ); Wed, 22 Jun 2022 16:10:51 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: e2f09c1f-f245-11ec-b725-ed86ccbb4733 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1655914251; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=dLNCSuzgjE1irfejW+XQU6PJClEFaQlN1EssbDqEWZE=; b=ddEJwwo53MebTNELEsUYrQtqkyRVDUa9qirmRSQ4fMI0zQojNEw4VWpDeZecZb11hNRvVz szP8D2+RV5mAugoe6drgBCliA41Ra1zyUftEEF/LYW/i4DzLfS4ALbuxif7BKRZDyEAV/S QNKJCamoAb+V8Y0uQ/67w9VaTL3WuBU= From: Juergen Gross To: xen-devel@lists.xenproject.org, x86@kernel.org, linux-kernel@vger.kernel.org Cc: Juergen Gross , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Boris Ostrovsky Subject: [PATCH 0/2] x86: fix brk area initialization Date: Wed, 22 Jun 2022 18:10:46 +0200 Message-Id: <20220622161048.4483-1-jgross@suse.com> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The brk area needs to be zeroed initially, like the .bss section. Juergen Gross (2): x86/xen: use clear_bss() for Xen PV guests x86: fix setup of brk area arch/x86/include/asm/setup.h | 3 +++ arch/x86/kernel/head64.c | 4 +++- arch/x86/xen/enlighten_pv.c | 8 ++++++-- arch/x86/xen/xen-head.S | 10 +--------- 4 files changed, 13 insertions(+), 12 deletions(-) -- 2.35.3