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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 28954C28CC0 for ; Wed, 29 May 2019 09:32:47 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E5E4520B1F for ; Wed, 29 May 2019 09:32:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E5E4520B1F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:50597 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hVuww-0008VE-5m for qemu-devel@archiver.kernel.org; Wed, 29 May 2019 05:32:46 -0400 Received: from eggs.gnu.org ([209.51.188.92]:53151) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hVuvt-0008BB-Ne for qemu-devel@nongnu.org; Wed, 29 May 2019 05:31:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hVuvs-0007nV-R9 for qemu-devel@nongnu.org; Wed, 29 May 2019 05:31:41 -0400 Received: from mx1.redhat.com ([209.132.183.28]:62385) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hVuvs-0007nD-MU for qemu-devel@nongnu.org; Wed, 29 May 2019 05:31:40 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D1B5FC06647C; Wed, 29 May 2019 09:31:25 +0000 (UTC) Received: from gondolin (dhcp-192-222.str.redhat.com [10.33.192.222]) by smtp.corp.redhat.com (Postfix) with ESMTP id 524CD271A4; Wed, 29 May 2019 09:31:22 +0000 (UTC) Date: Wed, 29 May 2019 11:31:19 +0200 From: Cornelia Huck To: Laurent Vivier Message-ID: <20190529113119.58212175.cohuck@redhat.com> In-Reply-To: <20190529084804.25950-1-laurent@vivier.eu> References: <20190529084804.25950-1-laurent@vivier.eu> Organization: Red Hat GmbH MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Wed, 29 May 2019 09:31:31 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [PATCH v2] linux-user: emulate msgsnd(), msgrcv() and semtimedop() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Philippe =?UTF-8?B?TWF0aGlldS1EYXVkw6k=?= , Riku Voipio , qemu-devel@nongnu.org, Alex =?UTF-8?B?QmVubsOpZQ==?= , Aleksandar Markovic Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Wed, 29 May 2019 10:48:04 +0200 Laurent Vivier wrote: > When we have updated kernel headers to 5.2-rc1 we have introduced > new syscall numbers that can be not supported by older kernels > and fail with ENOSYS while the guest emulation succeeded before > because the syscalls were emulated with ipc(). > > This patch fixes the problem by using ipc() if the new syscall > returns ENOSYS. > > Fixes: 86e636951ddc ("linux-user: fix __NR_semtimedop undeclared error") > Signed-off-by: Laurent Vivier > --- > > Notes: > v2: replace ENOSYS by TARGET_ENOSYS > > linux-user/syscall.c | 61 +++++++++++++++++++-------------------- > linux-user/syscall_defs.h | 1 + > 2 files changed, 31 insertions(+), 31 deletions(-) I hope this headers update is now done with bringing joy :) Not a linux-user expert, but it does look reasonable. Reviewed-by: Cornelia Huck