From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-am1on0120.outbound.protection.outlook.com ([157.56.112.120]:7238 "EHLO emea01-am1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932299AbcFCJ5y (ORCPT ); Fri, 3 Jun 2016 05:57:54 -0400 Subject: Re: [PATCH 4/6] x86/coredump: use core regs, rather that TIF_IA32 flag To: Cyrill Gorcunov References: <1464786697-20639-1-git-send-email-dsafonov@virtuozzo.com> <1464786697-20639-5-git-send-email-dsafonov@virtuozzo.com> <20160603095135.GB2431@uranus> CC: , , , , , , <0x7f454c46@gmail.com>, , , , Andy Lutomirski , Alexander Viro , From: Dmitry Safonov Message-ID: Date: Fri, 3 Jun 2016 12:56:30 +0300 MIME-Version: 1.0 In-Reply-To: <20160603095135.GB2431@uranus> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On 06/03/2016 12:51 PM, Cyrill Gorcunov wrote: > On Wed, Jun 01, 2016 at 04:11:35PM +0300, Dmitry Safonov wrote: >> As we have here core registers, use them to determine application's >> mode and sizes of register set and elf_prstatus instead of TIF_IA32 >> flag. >> >> Cc: Andy Lutomirski >> Cc: Ingo Molnar >> Cc: Thomas Gleixner >> Cc: "H. Peter Anvin" >> Cc: Oleg Nesterov >> Cc: Alexander Viro >> Cc: linux-fsdevel@vger.kernel.org >> Signed-off-by: Dmitry Safonov > > This can be used unrelated to vdso re-mapping idea, right? > Right -- 4,5,6 are pathes for dropping TIF_IA32 flag. I put them in this patches set because of their goal, to make tasks independent of presence of TIF_IA32.