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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_MUTT autolearn=unavailable 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 63F8AC072B5 for ; Fri, 24 May 2019 15:46:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 46A012184B for ; Fri, 24 May 2019 15:46:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389706AbfEXPqT (ORCPT ); Fri, 24 May 2019 11:46:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:44976 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389496AbfEXPqT (ORCPT ); Fri, 24 May 2019 11:46:19 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B1B04308795E; Fri, 24 May 2019 15:46:13 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.43.17.159]) by smtp.corp.redhat.com (Postfix) with SMTP id C170A17DF3; Fri, 24 May 2019 15:46:09 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Fri, 24 May 2019 17:46:13 +0200 (CEST) Date: Fri, 24 May 2019 17:46:09 +0200 From: Oleg Nesterov To: David Laight Cc: 'Deepa Dinamani' , Linux Kernel Mailing List , Andrew Morton , Alexander Viro , Arnd Bergmann , "dbueso@suse.de" , "axboe@kernel.dk" , Davidlohr Bueso , Eric Wong , Jason Baron , Linux FS-devel Mailing List , linux-aio , Omar Kilani , Thomas Gleixner , "stable@vger.kernel.org" Subject: Re: [PATCH v2] signal: Adjust error codes according to restore_user_sigmask() Message-ID: <20190524154608.GF2655@redhat.com> References: <20190522161407.GB4915@redhat.com> <4f7b6dbeab1d424baaebd7a5df116349@AcuMS.aculab.com> <20190523145944.GB23070@redhat.com> <345cfba5edde470f9a68d913f44fa342@AcuMS.aculab.com> <20190523163604.GE23070@redhat.com> <20190524132911.GA2655@redhat.com> <766510cbbec640b18fd99f3946b37475@AcuMS.aculab.com> <91b68aa69ab642c3a3cb327776ebda11@AcuMS.aculab.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <91b68aa69ab642c3a3cb327776ebda11@AcuMS.aculab.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.45]); Fri, 24 May 2019 15:46:19 +0000 (UTC) Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 05/24, David Laight wrote: > > From: David Laight > > Sent: 24 May 2019 16:00 > ... > > I've had horrid thoughts about SIG_SUSPEND :-) > > Not to mention exiting signal handlers with longjmp(). that is why we have siglongjmp(). Oleg.