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 09AF5C43334 for ; Thu, 23 Jun 2022 09:46:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231216AbiFWJqQ (ORCPT ); Thu, 23 Jun 2022 05:46:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229692AbiFWJqN (ORCPT ); Thu, 23 Jun 2022 05:46:13 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5269C496AA for ; Thu, 23 Jun 2022 02:46:12 -0700 (PDT) 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-out2.suse.de (Postfix) with ESMTPS id 14A8F1FD8A; Thu, 23 Jun 2022 09:46:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1655977571; 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=IIvicZRTKlJOBgOc3++ZHzJfG9P22jzec6L0MnajaIo=; b=HPHaGgfyCZ84QyQjmgfwZPXBbLogxmzAtQTOZqyOqAI/F39MK0TO4DKhXNYcJSj4jo+eX1 4LEt8gm8/e7JyZ+Gah81gPbuDHtiUtkXXTogbdVwTdSRavynFnglvqajH+3ROrBcVj3ETO NGKDudBRBG152w3cUPz/VLCVqB1q+AE= 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 AED21133A6; Thu, 23 Jun 2022 09:46:10 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id XCAtKWI2tGLmLwAAMHmgww (envelope-from ); Thu, 23 Jun 2022 09:46:10 +0000 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 v2 0/3] x86: fix brk area initialization Date: Thu, 23 Jun 2022 11:46:05 +0200 Message-Id: <20220623094608.7294-1-jgross@suse.com> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The brk area needs to be zeroed initially, like the .bss section. At the same time its memory should be covered by the ELF program headers. Juergen Gross (3): x86/xen: use clear_bss() for Xen PV guests x86: fix setup of brk area x86: fix .brk attribute in linker script arch/x86/include/asm/setup.h | 3 +++ arch/x86/kernel/head64.c | 4 +++- arch/x86/kernel/vmlinux.lds.S | 2 +- arch/x86/xen/enlighten_pv.c | 8 ++++++-- arch/x86/xen/xen-head.S | 10 +--------- 5 files changed, 14 insertions(+), 13 deletions(-) -- 2.35.3