From patchwork Thu May 27 12:34:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Beulich X-Patchwork-Id: 12284055 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D52F4C4707F for ; Thu, 27 May 2021 12:34:14 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 9F5E560698 for ; Thu, 27 May 2021 12:34:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9F5E560698 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.133128.248217 (Exim 4.92) (envelope-from ) id 1lmFDE-0006Rv-Vy; Thu, 27 May 2021 12:34:08 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 133128.248217; Thu, 27 May 2021 12:34:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lmFDE-0006Ro-Su; Thu, 27 May 2021 12:34:08 +0000 Received: by outflank-mailman (input) for mailman id 133128; Thu, 27 May 2021 12:34:07 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lmFDD-0006Pc-8Z for xen-devel@lists.xenproject.org; Thu, 27 May 2021 12:34:07 +0000 Received: from smtp-out2.suse.de (unknown [195.135.220.29]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 9815c3a5-9e12-4398-ac35-e8ac1248d20e; Thu, 27 May 2021 12:34:06 +0000 (UTC) Received: from imap.suse.de (imap-alt.suse-dmz.suse.de [192.168.254.47]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id C04991FD2E; Thu, 27 May 2021 12:34:05 +0000 (UTC) Received: from director2.suse.de (director2.suse-dmz.suse.de [192.168.254.72]) by imap.suse.de (Postfix) with ESMTPSA id A413711A98; Thu, 27 May 2021 12:34:05 +0000 (UTC) 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: 9815c3a5-9e12-4398-ac35-e8ac1248d20e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1622118845; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=T37zxeTBRZgcSqOKYX7WewAeIo59kPVTD7P0XmcfTcQ=; b=CEkK6A2AMkUaWy8Wpu9K+D3Mohi0H8TEqiEQ6bDFXg/HHxe6WoKkzElzBjjdtn9P0GsmRT BVnYJt9bcBwt6ByA8kPrJNHevC4rwR291N02RXw7NY+C34GRfp23NlbvNPY2TzBzNstqLy dY4pMCyVCkI0DzGydfYGdIuj/QcAqjM= Subject: [PATCH v2 08/12] x86: move .text.kexec From: Jan Beulich To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , Wei Liu , =?utf-8?q?Roger_Pau_Monn=C3=A9?= References: <8f56a8f4-0482-932f-96a9-c791bebb4610@suse.com> Message-ID: Date: Thu, 27 May 2021 14:34:02 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 MIME-Version: 1.0 In-Reply-To: <8f56a8f4-0482-932f-96a9-c791bebb4610@suse.com> Content-Language: en-US The source file requests page alignment - avoid a padding hole by placing it right after .text.entry. On average this yields a .text size reduction of 2k. Requested-by: Andrew Cooper Signed-off-by: Jan Beulich Reviewed-by: Andrew Cooper --- v2: New. --- a/xen/arch/x86/xen.lds.S +++ b/xen/arch/x86/xen.lds.S @@ -83,10 +83,11 @@ SECTIONS . = ALIGN(PAGE_SIZE); _etextentry = .; + *(.text.kexec) /* Page aligned in the object file. */ + *(.text.cold) *(.text.unlikely) *(.fixup) - *(.text.kexec) *(.gnu.warning) _etext = .; /* End of text section */ } PHDR(text) = 0x9090