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=-15.7 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 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 1F71BC48BDF for ; Thu, 24 Jun 2021 09:55:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EFB3F613F9 for ; Thu, 24 Jun 2021 09:55:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232132AbhFXJ6E (ORCPT ); Thu, 24 Jun 2021 05:58:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37918 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232088AbhFXJ6D (ORCPT ); Thu, 24 Jun 2021 05:58:03 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3A3E8C061574 for ; Thu, 24 Jun 2021 02:55:44 -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=zu4hWCv2hg8QcziEyTdXe6mB9O/jygKWqlWXGeKc0IE=; b=juuf1QIIEL7CRtDrfXZ4rCVxHv cQnwBIKiVY9mGrEixqWr6FItmzPtzYyiXm/Zjyf/muhXG3Km6/QR3oCmHKdLa3CDB3L51zuofp2+r Q4RI2xGf4/5jeSL+wJjNyjWIjeyYqg30XvBjL2YqGBBBJLUpXsefV0f9MGwiJYYf6h6AFSS54lUww jnAIuo4LV0Fk+kLmbNKl17M7ekUjTsFHG4nV8yU82lSYUdE9hr7bbq3Xj6gLslpW5zxkH9ImPgoHq QGTejezf25KAMBkUyr3Lobqvz3yS0eaV87dUPzPtfFgucZ7RkBoCgwb9/CWNDZG8puGlRXYjfsZFu 61u3VObA==; 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 1lwM42-00GQOc-2A; Thu, 24 Jun 2021 09:54:30 +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 8FACC30059E; Thu, 24 Jun 2021 11:54:24 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 0) id CB1082BC05F35; Thu, 24 Jun 2021 11:54:23 +0200 (CEST) Message-ID: <20210624095148.188166492@infradead.org> User-Agent: quilt/0.66 Date: Thu, 24 Jun 2021 11:41:08 +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, rostedt@goodmis.org, dvyukov@google.com, elver@google.com Subject: [PATCH v2 09/24] x86: Always inline ip_within_syscall_gap() References: <20210624094059.886075998@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: vc_switch_off_ist()+0x20: call to ip_within_syscall_gap.isra.0() leaves .noinstr.text section Signed-off-by: Peter Zijlstra (Intel) --- arch/x86/include/asm/ptrace.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/include/asm/ptrace.h +++ b/arch/x86/include/asm/ptrace.h @@ -181,7 +181,7 @@ static inline bool any_64bit_mode(struct #define current_user_stack_pointer() current_pt_regs()->sp #define compat_user_stack_pointer() current_pt_regs()->sp -static inline bool ip_within_syscall_gap(struct pt_regs *regs) +static __always_inline bool ip_within_syscall_gap(struct pt_regs *regs) { bool ret = (regs->ip >= (unsigned long)entry_SYSCALL_64 && regs->ip < (unsigned long)entry_SYSCALL_64_safe_stack);