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=-15.8 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 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 B7107C4743C for ; Mon, 21 Jun 2021 12:04:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9AD4F61206 for ; Mon, 21 Jun 2021 12:04:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230469AbhFUMG1 (ORCPT ); Mon, 21 Jun 2021 08:06:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53544 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230291AbhFUMGF (ORCPT ); Mon, 21 Jun 2021 08:06:05 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EBD4AC061756 for ; Mon, 21 Jun 2021 05:03:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Type:MIME-Version:References: Subject:Cc:To:From:Date:Message-ID:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:In-Reply-To; bh=lQfFlCgkE6l1bv3XTjlrWHnVfGWhQN5K3kqRQldXYvU=; b=amdk0GQLA/2MNrrDEdKoyUg6rY C+UdBwEDNa9KrhGMmqvofVs03ufeAoL0/WYvb6h45e6ggDA3WFZ8Tu+C3YDA2POTXW/mpQ4dsoPH4 XBd3Vi81ksLx5g9NE6KoWwoZOZ3L+20nOjrWxQ7OeI0mNzhtQ5n7iGTA350bFtLS1EyThz3B0LXeV mbqTniQaqZ3QtymqAaDrKJF5UrdcbiJVKQvOiKjMVkgWD9bnOnPM8jk8Zr9lMy2fPrypDpY3eAu0t +pS74QbuevRaorzQuhNZALYvBrCveTvox/397kgIpioo+Db+0Y+xRtZgmxxwp3VbkZkOXn34g/EYB FCyNwBAQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1lvIdY-00D3i1-Vn; Mon, 21 Jun 2021 12:02:48 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id B897D3005C1; Mon, 21 Jun 2021 14:02:39 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 0) id 3B973235EE38B; Mon, 21 Jun 2021 14:02:39 +0200 (CEST) Message-ID: <20210621120121.420715682@infradead.org> User-Agent: quilt/0.66 Date: Mon, 21 Jun 2021 13:12:46 +0200 From: Peter Zijlstra To: jpoimboe@redhat.com, tglx@linutronix.de Cc: linux-kernel@vger.kernel.org, peterz@infradead.org, joro@8bytes.org, boris.ostrovsky@oracle.com, jgross@suse.com, x86@kernel.org, mbenes@suse.com Subject: [RFC][PATCH 13/18] x86/xen: Make hypercall_page noinstr References: <20210621111233.344964031@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org vmlinux.o: warning: objtool: xen_set_debugreg()+0x3: call to hypercall_page() leaves .noinstr.text section vmlinux.o: warning: objtool: xen_get_debugreg()+0x3: call to hypercall_page() leaves .noinstr.text section vmlinux.o: warning: objtool: xen_irq_enable()+0x24: call to hypercall_page() leaves .noinstr.text section Signed-off-by: Peter Zijlstra (Intel) --- arch/x86/xen/xen-head.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/xen/xen-head.S +++ b/arch/x86/xen/xen-head.S @@ -64,7 +64,7 @@ SYM_CODE_END(asm_cpu_bringup_and_idle) #endif #endif -.pushsection .text +.pushsection .noinstr.text, "ax" .balign PAGE_SIZE SYM_CODE_START(hypercall_page) .rept (PAGE_SIZE / 32)