From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B5BBC04AB5 for ; Thu, 6 Jun 2019 13:24:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 17D8920868 for ; Thu, 6 Jun 2019 13:24:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726964AbfFFNYC convert rfc822-to-8bit (ORCPT ); Thu, 6 Jun 2019 09:24:02 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:30548 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726877AbfFFNYC (ORCPT ); Thu, 6 Jun 2019 09:24:02 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-26-kobq2hx2OiCkRXv6U5Q6Sg-1; Thu, 06 Jun 2019 14:23:57 +0100 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b::d117) by AcuMS.aculab.com (fd9f:af1c:a25b::d117) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 6 Jun 2019 14:23:56 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Thu, 6 Jun 2019 14:23:56 +0100 From: David Laight To: 'Oleg Nesterov' CC: 'Linus Torvalds' , Andrew Morton , Deepa Dinamani , "Linux List Kernel Mailing" , Arnd Bergmann , Davidlohr Bueso , Jens Axboe , Davidlohr Bueso , "e@80x24.org" , Jason Baron , linux-fsdevel , "linux-aio@kvack.org" , "omar.kilani@gmail.com" , Thomas Gleixner , stable , Al Viro , "Eric W. Biederman" Subject: RE: [PATCH -mm 0/1] signal: simplify set_user_sigmask/restore_user_sigmask Thread-Topic: [PATCH -mm 0/1] signal: simplify set_user_sigmask/restore_user_sigmask Thread-Index: AQHVG8OiWeMKMn2zNEeA0y96arbBsKaOUFtAgAAW0gCAABcWoIAAA6aAgAAcBEA= Date: Thu, 6 Jun 2019 13:23:56 +0000 Message-ID: <3070fdaff85d4961a7ad9a3a0da0a4ee@AcuMS.aculab.com> References: <20190522032144.10995-1-deepa.kernel@gmail.com> <20190529161157.GA27659@redhat.com> <20190604134117.GA29963@redhat.com> <20190605155801.GA25165@redhat.com> <1285a2e60e3748d8825b9b0e3500cd28@AcuMS.aculab.com> <20190606110522.GA4691@redhat.com> <6e3eeb101a30431eb111ad739ab5d2b0@AcuMS.aculab.com> <20190606124103.GB4691@redhat.com> In-Reply-To: <20190606124103.GB4691@redhat.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-MC-Unique: kobq2hx2OiCkRXv6U5Q6Sg-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Oleg Nesterov > Sent: 06 June 2019 13:41 > On 06/06, David Laight wrote: > > > > Some of this code is hard to grep through :-) > > I'd suggest to simply read the kernel code once and memorise it, after > that you will not need to use grep. Unfortunately all the available buffer space is full of the SYSV and NetBSD kernels, there isn't any room for the Linux one :-) David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)