Received: by 2002:a25:e7d8:0:0:0:0:0 with SMTP id e207csp851437ybh; Thu, 12 Mar 2020 12:16:16 -0700 (PDT) X-Google-Smtp-Source: ADFU+vsnaKj6tX+GH/rtf2C/y0Dp8dZcYakFl2Jw4mVDBVOpK81e7lgFiQu2AqCMIxVeDRpX/JY4 X-Received: by 2002:a05:6830:1193:: with SMTP id u19mr7908650otq.190.1584040576497; Thu, 12 Mar 2020 12:16:16 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1584040576; cv=none; d=google.com; s=arc-20160816; b=qtOTThpJTtl0i6WzQGDXyzZyUDyRH8l037Wz+vMvrEo7Uf+Q7RlJfQsjmxXFv/m8R7 RoyNdEV0q42JMfxtdBwAkMyovGLJ82cirHUavgMRB2mSZRUlB+ngWt/WB2lk6fBYwB7G vKJ9PCac5tdhWfN7i/ZuVdPsVsNqtoLvSlOKLiDo/h+gKnZbDs/G/ipmS5VW7lOCe2nI 37qvRvtOCfN6O5UUhbvfOEasg95SNghFKG4tbj+Q57ZyK+NySXbs0bf4htTySUebiDsZ 2B7AG6Nqxgv66fVc/ni+56Xt0yNpvUuulMrtxDqdDyKyn+41PHNgXFW/TR8P85wPitAD 8mhg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=U4g9fQgW9dCodXN7ne6KwbbetdDJH4EvXKxWTgNToIY=; b=VkQxYBONjAntLORVB6OUs6weVcNSkNLtPr8lXXmp0ORUPG5xNGKwec9CPbp9672XWM LM+Rodwmyi3WCt3dStPkqWRinFCgggn84W7obLc50/tvjC5Ntnko7SOZ6SaGFIv/EB7d wcl0/+8dn69Cgss3doHYexkwWjB65Xd2wtztc9+liO00jSHLcqfruH10Jx3bFElDkimp T7dLV9MQ8NGtfHmy3eiu2piszq6Gvge/UGobONOI27scQXBCUOQZuLtxv2qeUJVkUy1k ilL1t4BePzFPXiR8MeauX6h5HGJMFuB0eByCDNg4NrYSuAEsVamPKd/uTLZe9MrmS78f nSqw== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=FT9p080A; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id m18si3091307otf.196.2020.03.12.12.16.03; Thu, 12 Mar 2020 12:16:16 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=FT9p080A; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726680AbgCLTPr (ORCPT + 99 others); Thu, 12 Mar 2020 15:15:47 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:41426 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726512AbgCLTPr (ORCPT ); Thu, 12 Mar 2020 15:15:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=U4g9fQgW9dCodXN7ne6KwbbetdDJH4EvXKxWTgNToIY=; b=FT9p080A1NqLcZU2fcMTu0EDC2 745cUvr6B6Oq5/t1KfF03qCKxOObYbaDRga9C1XAIn6SKhij1q/Xyq85yW13fCbr4bu+EOruwszzN R5oX0UVuoB+EjhjPq79XceAZEj6Knbt5nHqxJFmF4L3UoIYODUCZn6aR42vU3OtjdYp6lUb+FDegt Tly1v1sU77r2h5nJql7cJ8BR0eLlo4cAqAUjcEx2C/ZbgCeH5wf2KsNbq7SaALeuz4RNK2LrzsjRV OuWOdY9VaIL+S50IyZSVG1FfZIOx7r5JuZrn87P3YfqMBrz6kWrPIDi/vZyQaGV3+JkdiScTRlk1F 2wX1ZWhg==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=worktop.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jCTIq-0003bu-Jt; Thu, 12 Mar 2020 19:15:32 +0000 Received: by worktop.programming.kicks-ass.net (Postfix, from userid 1000) id ABA0598114E; Thu, 12 Mar 2020 20:15:29 +0100 (CET) Date: Thu, 12 Mar 2020 20:15:29 +0100 From: Peter Zijlstra To: Josh Poimboeuf Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Vince Weaver , Dave Jones , Jann Horn , Miroslav Benes , Andy Lutomirski , Steven Rostedt , Thomas Gleixner Subject: Re: [PATCH 00/14] x86/unwind/orc: ORC fixes Message-ID: <20200312191529.GA5086@worktop.programming.kicks-ass.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 12, 2020 at 12:30:19PM -0500, Josh Poimboeuf wrote: > Several ORC unwinder cleanups, fixes, and debug improvements. > > Jann Horn (1): > x86/entry/64: Fix unwind hints in rewind_stack_do_exit() > > Josh Poimboeuf (12): > x86/dumpstack: Add SHOW_REGS_IRET mode > objtool: Fix stack offset tracking for indirect CFAs > x86/entry/64: Fix unwind hints in register clearing code > x86/entry/64: Fix unwind hints in kernel exit path > x86/entry/64: Fix unwind hints in __switch_to_asm() > x86/unwind/orc: Convert global variables to static > x86/unwind: Prevent false warnings for non-current tasks > x86/unwind/orc: Prevent unwinding before ORC initialization > x86/unwind/orc: Fix error path for bad ORC entry type > x86/unwind/orc: Fix premature unwind stoppage due to IRET frames > x86/unwind/orc: Add more unwinder warnings > x86/unwind/orc: Add 'unwind_debug' cmdline option > > Miroslav Benes (1): > x86/unwind/orc: Don't skip the first frame for inactive tasks Looks like good stuff.. Acked-by: Peter Zijlstra (Intel)