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=-11.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_SANE_1 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 C3A92C433EF for ; Wed, 15 Sep 2021 15:21:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A1F4861186 for ; Wed, 15 Sep 2021 15:21:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234118AbhIOPW0 (ORCPT ); Wed, 15 Sep 2021 11:22:26 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:41974 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233977AbhIOPW0 (ORCPT ); Wed, 15 Sep 2021 11:22:26 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: tonyk) with ESMTPSA id B672F1F41DC1 Message-ID: <2f2cf258-24f4-8bbb-a33e-c92aafa22a9f@collabora.com> Date: Wed, 15 Sep 2021 12:20:58 -0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.1.0 Subject: Re: [PATCH 16/20] futex: Implement sys_futex_waitv() Content-Language: en-US To: Peter Zijlstra Cc: linux-kernel@vger.kernel.org, bigeasy@linutronix.de, mingo@redhat.com, tglx@linutronix.de, kernel@collabora.com, krisman@collabora.com, rostedt@goodmis.org, linux-api@vger.kernel.org, dvhart@infradead.org, libc-alpha@sourceware.org, mtk.manpages@gmail.com, dave@stgolabs.net, arnd@arndb.de References: <20210915140710.596174479@infradead.org> <20210915141525.621568509@infradead.org> From: =?UTF-8?Q?Andr=c3=a9_Almeida?= In-Reply-To: <20210915141525.621568509@infradead.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org Às 11:07 de 15/09/21, Peter Zijlstra escreveu: > From: André Almeida > > Add support to wait on multiple futexes. This is the interface > implemented by this syscall: > > futex_waitv(struct futex_waitv *waiters, unsigned int nr_futexes, > unsigned int flags, struct timespec *timo) > > --- a/include/uapi/asm-generic/unistd.h > +++ b/include/uapi/asm-generic/unistd.h > @@ -880,8 +880,11 @@ __SYSCALL(__NR_memfd_secret, sys_memfd_s > #define __NR_process_mrelease 448 > __SYSCALL(__NR_process_mrelease, sys_process_mrelease) > > +#define __NR_futex_waitv 449 > +__SC_COMP(__NR_futex_waitv, sys_futex_waitv) > + Oops, this should be __SYSCALL(), and not __SC_COMP(), my bad.