Received: by 10.223.176.5 with SMTP id f5csp458015wra; Tue, 30 Jan 2018 14:22:00 -0800 (PST) X-Google-Smtp-Source: AH8x225IzYisC1TUcN6y9JGyZrAq6QuuLnNegVdu25rp3FDrs7agZQzL0TZ1wDYLEdeocYLrEbr1 X-Received: by 10.101.69.141 with SMTP id o13mr25462332pgq.204.1517350920412; Tue, 30 Jan 2018 14:22:00 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1517350920; cv=none; d=google.com; s=arc-20160816; b=gcvePEcl+4zh8Xv+hMVMuKmEIrr5cEstKpcLIE3sjH6Rh9+ybTpr0m4LymeYCAWsZe yHh8NM7eA4cmlTohlv9b1Itlj3EncwNU73PFFu6lJ8VYuFwohQh/BZ27H8fnCDLojv9v zBXciSmrcpxQINj/cEkY+drHkxZDXgg/cF600l4hfsUmX3b0jJQXkIwTiQEhGqkni6Y1 /xRg0Kn3/OLFPZ0aA6m/uivqUi8VHS43r/kLhpEQII1qLf1Zv+HWkRYqVb+hychFQtgc r+GXiB5e1QOfS3YgvwgM0yOgprvczkOp34VROAwPsZkRTLStsqmVWNCoZMq2jSc+Leaf /zxw== 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:arc-authentication-results; bh=wzCgt1VW4KFSGJfvOfayg7fFvlbiJxvmTzQF9IxaBu0=; b=P+lIaiW09Jg4kiPZ6jNcU1jpib7eHvjp97lcKu4iyPtnaG4aDj8N3hwkbOZ9cUG3Zb zN1Jqjr8JoB68pnTPr9ehnNHPvR7lDeC3WJiLx2P7nm/vHqu0HNkwrxvUU62lNMAZMqU r6yvFTxfm1NJXJTi9DAN7SDkDl/Uc9pU5V0uiH1dK4uznkZjgT89ks6pnEKinZ2aEenK mnff7zsTKzrCUdS+hJntaGBdLWHYBCKLLqSF9YLJcwY7PkJ/hVsS+RSFRsImVfCleloP gEy9cgqJpoaBNN/U0wTgi4a64VwdCDu3JRFHvE6MYNK+Gw+H/tBbbw0WyRFKWKeFu4yC 34Hw== ARC-Authentication-Results: i=1; mx.google.com; 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 x4si338357pfx.114.2018.01.30.14.21.46; Tue, 30 Jan 2018 14:22:00 -0800 (PST) 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; 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 S1753602AbeA3WA7 (ORCPT + 99 others); Tue, 30 Jan 2018 17:00:59 -0500 Received: from mail.skyhub.de ([5.9.137.197]:50110 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752100AbeA3WA6 (ORCPT ); Tue, 30 Jan 2018 17:00:58 -0500 X-Virus-Scanned: Nedap ESD1 at mail.skyhub.de Received: from mail.skyhub.de ([127.0.0.1]) by localhost (blast.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id lvMEbldVqynE; Tue, 30 Jan 2018 23:00:57 +0100 (CET) Received: from pd.tnic (p200300EC2BCF0F005D4DFBFD0E3B986B.dip0.t-ipconnect.de [IPv6:2003:ec:2bcf:f00:5d4d:fbfd:e3b:986b]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id D55DD1EC0270; Tue, 30 Jan 2018 23:00:56 +0100 (CET) Date: Tue, 30 Jan 2018 23:00:52 +0100 From: Borislav Petkov To: Tim Chen Cc: Josh Poimboeuf , David Woodhouse , arjan@linux.intel.com, tglx@linutronix.de, karahmed@amazon.de, x86@kernel.org, linux-kernel@vger.kernel.org, peterz@infradead.org, pbonzini@redhat.com, ak@linux.intel.com, torvalds@linux-foundation.org, gregkh@linux-foundation.org, mingo@kernel.org, luto@kernel.org, linux@dominikbrodowski.net Subject: Re: [PATCH] x86/speculation: Use Indirect Branch Prediction Barrier in context switch Message-ID: <20180130220052.jotc4orxnzi6s3nx@pd.tnic> References: <1517263487-3708-1-git-send-email-dwmw@amazon.co.uk> <20180130174850.bwypk4r5yn2344jb@treble> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 30, 2018 at 01:23:17PM -0800, Tim Chen wrote: > I'm less familiar with gpg-agent. Dave was the one who > put in comments about gpg-agent in this patch so perhaps > he can comment. So I looked at gpg-agent and AFAICT, it disables core dumping with setrlimit(). I wasn't able to attach to it either with gdb but didn't find where we disable the attaching, for the couple of minutes I grepped through it. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.