From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752722AbcANJDL (ORCPT ); Thu, 14 Jan 2016 04:03:11 -0500 Received: from mail-wm0-f65.google.com ([74.125.82.65]:32961 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751320AbcANJDG (ORCPT ); Thu, 14 Jan 2016 04:03:06 -0500 Date: Thu, 14 Jan 2016 11:03:02 +0200 From: "Kirill A. Shutemov" To: Dmitry Vyukov Cc: akpm@linux-foundation.org, drysdale@google.com, keescook@google.com, quentin.casasnovas@oracle.com, sasha.levin@oracle.com, vegard.nossum@oracle.com, linux-kernel@vger.kernel.org, edumazet@google.com, taviso@google.com, bhelgaas@google.com, syzkaller@googlegroups.com, kcc@google.com, glider@google.com, ryabinin.a.a@gmail.com Subject: Re: [PATCH v2] kernel: add kcov code coverage Message-ID: <20160114090302.GA27083@node.shutemov.name> References: <1452689318-107172-1-git-send-email-dvyukov@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1452689318-107172-1-git-send-email-dvyukov@google.com> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, I've tried to build current -next with the patch. It has few reject, but nothing major. Booting the kernel in qemu with CONFIG_KCOV=y has failed. It hangs on "smpboot: Total of 3 processors activated (9178.27 BogoMIPS)" The interesting part is that I have only 2 cpu in this setup! Huh? CONFIG_KCOV=n works fine. -- Kirill A. Shutemov