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, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 38CEEC10F0B for ; Wed, 3 Apr 2019 02:48:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 10CD42146E for ; Wed, 3 Apr 2019 02:48:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726849AbfDCCsG (ORCPT ); Tue, 2 Apr 2019 22:48:06 -0400 Received: from ozlabs.org ([203.11.71.1]:36643 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726157AbfDCCsG (ORCPT ); Tue, 2 Apr 2019 22:48:06 -0400 Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 44Yr984hzQz9sPB; Wed, 3 Apr 2019 13:47:56 +1100 (AEDT) From: Michael Ellerman To: Arnd Bergmann , Andrew Morton Cc: Richard Henderson , Ivan Kokshaysky , Matt Turner , Russell King , Catalin Marinas , Will Deacon , Tony Luck , Fenghua Yu , Geert Uytterhoeven , Michal Simek , Ralf Baechle , Paul Burton , James Hogan , "James E . J . Bottomley" , Helge Deller , Benjamin Herrenschmidt , Paul Mackerras , Martin Schwidefsky , Heiko Carstens , Rich Felker , "David S . Miller" , Max Filippov , Firoz Khan , linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, Arnd Bergmann , Jens Axboe Subject: Re: [PATCH 2/2] arch: add pidfd and io_uring syscalls everywhere In-Reply-To: <20190325144737.703921-1-arnd@arndb.de> References: <20190325143521.34928-1-arnd@arndb.de> <20190325144737.703921-1-arnd@arndb.de> Date: Wed, 03 Apr 2019 13:47:50 +1100 Message-ID: <87tvff24a1.fsf@concordia.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Arnd Bergmann writes: > diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl > index b18abb0c3dae..00f5a63c8d9a 100644 > --- a/arch/powerpc/kernel/syscalls/syscall.tbl > +++ b/arch/powerpc/kernel/syscalls/syscall.tbl > @@ -505,3 +505,7 @@ > 421 32 rt_sigtimedwait_time64 sys_rt_sigtimedwait compat_sys_rt_sigtimedwait_time64 > 422 32 futex_time64 sys_futex sys_futex > 423 32 sched_rr_get_interval_time64 sys_sched_rr_get_interval sys_sched_rr_get_interval > +424 common pidfd_send_signal sys_pidfd_send_signal > +425 common io_uring_setup sys_io_uring_setup > +426 common io_uring_enter sys_io_uring_enter > +427 common io_uring_register sys_io_uring_register Acked-by: Michael Ellerman (powerpc) Lightly tested. The pidfd_test selftest passes. Ran the io_uring example from fio, which prints lots of: IOPS=209952, IOS/call=32/32, inflight=117 (117), Cachehit=0.00% IOPS=209952, IOS/call=32/32, inflight=116 (116), Cachehit=0.00% IOPS=209920, IOS/call=32/32, inflight=115 (115), Cachehit=0.00% IOPS=209952, IOS/call=32/32, inflight=115 (115), Cachehit=0.00% IOPS=209920, IOS/call=32/32, inflight=115 (115), Cachehit=0.00% IOPS=209952, IOS/call=32/32, inflight=115 (115), Cachehit=0.00% IOPS=210016, IOS/call=32/32, inflight=114 (114), Cachehit=0.00% IOPS=210016, IOS/call=32/32, inflight=113 (113), Cachehit=0.00% IOPS=210048, IOS/call=32/32, inflight=113 (113), Cachehit=0.00% IOPS=210016, IOS/call=32/32, inflight=113 (113), Cachehit=0.00% IOPS=210048, IOS/call=32/32, inflight=112 (112), Cachehit=0.00% IOPS=210016, IOS/call=32/32, inflight=110 (110), Cachehit=0.00% IOPS=210048, IOS/call=32/32, inflight=105 (105), Cachehit=0.00% IOPS=210048, IOS/call=32/32, inflight=104 (104), Cachehit=0.00% IOPS=210080, IOS/call=32/32, inflight=102 (102), Cachehit=0.00% IOPS=210112, IOS/call=32/32, inflight=100 (100), Cachehit=0.00% IOPS=210080, IOS/call=32/32, inflight=97 (97), Cachehit=0.00% IOPS=210112, IOS/call=32/32, inflight=97 (97), Cachehit=0.00% IOPS=210112, IOS/call=32/31, inflight=126 (126), Cachehit=0.00% IOPS=210048, IOS/call=32/32, inflight=126 (126), Cachehit=0.00% IOPS=210048, IOS/call=32/32, inflight=125 (125), Cachehit=0.00% IOPS=210016, IOS/call=32/32, inflight=119 (119), Cachehit=0.00% IOPS=210048, IOS/call=32/32, inflight=117 (117), Cachehit=0.00% IOPS=210016, IOS/call=32/32, inflight=114 (114), Cachehit=0.00% IOPS=210048, IOS/call=32/32, inflight=111 (111), Cachehit=0.00% IOPS=210048, IOS/call=32/32, inflight=108 (108), Cachehit=0.00% IOPS=210048, IOS/call=32/32, inflight=107 (107), Cachehit=0.00% IOPS=210048, IOS/call=32/32, inflight=105 (105), Cachehit=0.00% Which is good I think? cheers