From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932207AbcFCJuU (ORCPT ); Fri, 3 Jun 2016 05:50:20 -0400 Received: from mail-lf0-f65.google.com ([209.85.215.65]:34749 "EHLO mail-lf0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932075AbcFCJuS (ORCPT ); Fri, 3 Jun 2016 05:50:18 -0400 Date: Fri, 3 Jun 2016 12:50:14 +0300 From: Cyrill Gorcunov To: Dmitry Safonov Cc: linux-kernel@vger.kernel.org, mingo@redhat.com, luto@amacapital.net, tglx@linutronix.de, hpa@zytor.com, x86@kernel.org, 0x7f454c46@gmail.com, oleg@redhat.com, xemul@virtuozzo.com, khorenko@virtuozzo.com, Andy Lutomirski Subject: Re: [PATCH 2/6] x86/vdso: introduce do_map_vdso() and vdso_type enum Message-ID: <20160603095014.GA2431@uranus> References: <1464786697-20639-1-git-send-email-dsafonov@virtuozzo.com> <1464786697-20639-3-git-send-email-dsafonov@virtuozzo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1464786697-20639-3-git-send-email-dsafonov@virtuozzo.com> User-Agent: Mutt/1.6.1 (2016-04-27) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 01, 2016 at 04:11:33PM +0300, Dmitry Safonov wrote: > Make in-kernel API to map vDSO blobs on x86. > > Cc: Andy Lutomirski > Cc: Ingo Molnar > Cc: Thomas Gleixner > Cc: "H. Peter Anvin" > Signed-off-by: Dmitry Safonov Hi! Sorry for delay in reply. Dima, here is a moment I somehow missing: when do_map_vdso is called it is implied that old vdso is unmapped already, or both can be present in the system?