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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 7A9A6C43331 for ; Thu, 2 Apr 2020 17:28:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C68920757 for ; Thu, 2 Apr 2020 17:28:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Nuy+VIQe" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389874AbgDBR2E (ORCPT ); Thu, 2 Apr 2020 13:28:04 -0400 Received: from us-smtp-2.mimecast.com ([205.139.110.61]:52054 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2389166AbgDBR2E (ORCPT ); Thu, 2 Apr 2020 13:28:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1585848483; 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: in-reply-to:in-reply-to:references:references; bh=AMQfLxvugCOFU77orNDzP9NMFKIQjlgZ0oIuQQ+c+oc=; b=Nuy+VIQe1ABsq8MLJZGPhjCkJ4atT5yjAB6aPDySSObZZSRKYJ22A5z245ScJ5TWvFNcQM fwL1UvV7gkeshgHFL1m4Rxh7ujDGUzdta8OWyCFPd+nLQU9BHZoBRZAjkDEr3vZdAAvaRl oIOl5ChResYBuThowd1ycFIexRagIUo= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-252-n999QUpTNZeUqoeUoAWTRw-1; Thu, 02 Apr 2020 13:27:59 -0400 X-MC-Unique: n999QUpTNZeUqoeUoAWTRw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7A301107ACC9; Thu, 2 Apr 2020 17:27:58 +0000 (UTC) Received: from treble (ovpn-118-100.rdu2.redhat.com [10.10.118.100]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6E40B5E02B; Thu, 2 Apr 2020 17:27:57 +0000 (UTC) Date: Thu, 2 Apr 2020 12:27:55 -0500 From: Josh Poimboeuf To: Julien Thierry Cc: Alexandre Chartre , x86@kernel.org, linux-kernel@vger.kernel.org, peterz@infradead.org, tglx@linutronix.de Subject: Re: [PATCH 3/7] objtool: Add support for intra-function calls Message-ID: <20200402172755.eejb5g7z5oadj5pj@treble> References: <20200402082220.808-1-alexandre.chartre@oracle.com> <20200402082220.808-4-alexandre.chartre@oracle.com> <20200402154919.2c6shw4hfreagchg@treble> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200402154919.2c6shw4hfreagchg@treble> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 02, 2020 at 10:49:19AM -0500, Josh Poimboeuf wrote: > On Thu, Apr 02, 2020 at 01:53:49PM +0100, Julien Thierry wrote: > > Hi Alexandre, > > > > I ran into the limitation of intra-function call for the arm64 support but > > didn't take the time to make a clean patch to support them properly. > > Can you give an example of where arm64 uses intra-function calls? It > sounds sketchy to me :-) Is it really needed/useful? BTW, I have a vague memory of discussing this before, so I apologize if I'm repeating myself ;-) -- Josh