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 X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 B725DC2D0A8 for ; Mon, 28 Sep 2020 12:04:25 +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 449F221D7F for ; Mon, 28 Sep 2020 12:04:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b="XsZlnVHk" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 449F221D7F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kMrt9-0004RL-Da; Mon, 28 Sep 2020 12:04:15 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kMrt8-0004R9-FN for xen-devel@lists.xenproject.org; Mon, 28 Sep 2020 12:04:14 +0000 X-Inumbo-ID: 19e9b677-c037-4df5-8580-2cb92fbddc26 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 19e9b677-c037-4df5-8580-2cb92fbddc26; Mon, 28 Sep 2020 12:04:13 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1601294653; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=o7OyZ+1lr3yXR+2bpmus6NxSzN7Zt8+jwknBn4PXfZU=; b=XsZlnVHke3v5Nibi7z7io2pHdLUCkvMdt/OKLHRpwQUQYsS5t3kqi7MIZV+UcmOHNinsmL VoEsYWS39ccN/yhl6a0MKRKPAhgjZGe08UORBzVT+GDi1YmAIZtW1ckzs99Ghe4T+MoSWU mlKhvlHaowhgtIfEdYsmyNE1MC7Lu2E= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 16F83ACF3; Mon, 28 Sep 2020 12:04:13 +0000 (UTC) To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , Wei Liu , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= From: Jan Beulich Subject: [PATCH 0/5] x86: introduce read_sregs() and elf_core_save_regs() adjustments Message-ID: Date: Mon, 28 Sep 2020 14:04:11 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" 1: introduce read_sregs() to allow storing to memory directly 2: ELF: don't open-code read_sreg() 3: ELF: don't store function pointer in elf_core_save_regs() 4: ELF: also record FS/GS bases in elf_core_save_regs() 5: ELF: eliminate pointless local variable from elf_core_save_regs() Jan