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=-8.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,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 C84D1C433F5 for ; Fri, 17 Sep 2021 07:33:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ABEE060F48 for ; Fri, 17 Sep 2021 07:33:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240975AbhIQHex (ORCPT ); Fri, 17 Sep 2021 03:34:53 -0400 Received: from mout.kundenserver.de ([212.227.17.10]:60185 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238827AbhIQHew (ORCPT ); Fri, 17 Sep 2021 03:34:52 -0400 Received: from mail-wr1-f52.google.com ([209.85.221.52]) by mrelayeu.kundenserver.de (mreue107 [213.165.67.113]) with ESMTPSA (Nemesis) id 1MHFwM-1meNvl0hlY-00DI7N; Fri, 17 Sep 2021 09:33:29 +0200 Received: by mail-wr1-f52.google.com with SMTP id g16so13587060wrb.3; Fri, 17 Sep 2021 00:33:29 -0700 (PDT) X-Gm-Message-State: AOAM533+KkC9S8cHZhyyQr/Gcws3Pv+QbrR6nhr9ElMZ5xHXmGbUF81h JdUrzaBkhYxpXPotrZF4WqH+Mo3QpMgV6vbUIAg= X-Google-Smtp-Source: ABdhPJyPtoZ/mG7bWsWHsydawMEYKJ4E3ECfqsk8lnBKNgqIVX5W2m+pElPlgj2gMjbI3079PSZ95Swtj4MIyk84lH8= X-Received: by 2002:adf:c10b:: with SMTP id r11mr10471636wre.336.1631864008841; Fri, 17 Sep 2021 00:33:28 -0700 (PDT) MIME-Version: 1.0 References: <20210917061040.2270822-1-alistair.francis@opensource.wdc.com> <20210917061040.2270822-2-alistair.francis@opensource.wdc.com> In-Reply-To: <20210917061040.2270822-2-alistair.francis@opensource.wdc.com> From: Arnd Bergmann Date: Fri, 17 Sep 2021 09:33:12 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v3 2/2] perf bench: Add support for 32-bit systems with 64-bit time_t To: Alistair Francis Cc: linux-riscv , linux-perf-users@vger.kernel.org, Linux Kernel Mailing List , Alistair Francis , Namhyung Kim , Jiri Olsa , Alexander Shishkin , Mark Rutland , Arnaldo Carvalho de Melo , Davidlohr Bueso , Darren Hart , Peter Zijlstra , Ingo Molnar , Thomas Gleixner , Atish Patra , Arnd Bergmann , Alistair Francis Content-Type: text/plain; charset="UTF-8" X-Provags-ID: V03:K1:i1tPDOPsEkIXWl6o8lvaOVSXFg/bAWXldhifz9hNemIOJCFTnx/ zZVhz0YkzYzan4TSQY8NlIUxLVIZhqZ2Sx+jIItl5UTtY38hQ8g0UpoGXpsbG+PIIFLVE3A SKaYGAmda4GZvCHcy4UwYGUm9AcW/Fg2vZRCDrKeTOTj2tbKgMzSBS98PlVAwM4PL5PX7DU MrucBauAQlLixBt8ly4Fw== X-UI-Out-Filterresults: notjunk:1;V03:K0:FbgTo1ML4rc=:Fj5i0kgHwvY0JXikCXS7cJ PJ62OAK1WCPrbNjI278U8xy+5UY2i5p6jf7QnkrS7qzd6afnJA7d5GB+0cId+p5e7/4pogpIF bzZ5Fs99rB5nb6mlqa0/0/7ByEHwB4EiGtC5Juzj+ToM4/qUWwvuTRLFFFoFuRoaf2fRtF4Si oCY9NfprJjOeRJe+L3qWp+en4PW2pHlV8XLFStlfdUqbD0JXt0YGvOz7MrxCbbUQxiyBVAJSK fmiShXA4z+pU1JkF88/QqfypI69pid+yz8LtIxcpu170fdygCEXTwx/9C5l4xcoTXfBaNfh1/ f8EDfhkvXu4U6eu2UABIa4aBYZDBJrMmG0TSgEcr4skqyIiWr6kqa3co4iC7ECG+BBexpLvyR QRJ4ICH5zFa1tGtERCmFUhySJrSNYlofkVkxLX/xzc47/SZ3wVLsOHJzBaUBhxuuS5EJajG1K CErqW3GjO5C7dhSzAtRnpzUUJ0M8ujL1D73o4lveVjA6LYWqe7leOwEkZNb1xIwWSvPSeftqH kzoVvsgRnUNt7GV1OCABGfM4BvB/DfyAgVFUhbjIUkVn0aGwWWOgv4l03WljeHpL1cIYjng/I ZWjAGlll0LPeaz23eG4iN1ui6GdFJ6v2HprjPE4AiAZXXOOkdui67gdE37yFuJmVRNk9YSQdx doDMaIqBi49FikX3S/9uDVLTW6ZK/0p3ELCdG/7f+RCviyMli6rCbSHFVUyHl3jZSNG+DqL0C ZhqZs/PybRWZ5AFl1sSJZeOag/Lxb4X/ly/Q7Spmaf/ZwZvCcUYatD2H7C/CMBCdDtamUaiDA 5qxYwrm0JGLqD8n5q/W2udrUuHm3gYoja0zDnmrqBGjbyX578ud5IGjVN7/zNHKmwFE8pJIGn Npk89ZGaXQeskJOR8uzg== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 17, 2021 at 8:10 AM Alistair Francis wrote: > > From: Alistair Francis > > Some 32-bit architectures (such are 32-bit RISC-V) only have a 64-bit > time_t and as such don't have the SYS_futex syscall. This patch will > allow us to use the SYS_futex_time64 syscall on those platforms. > > Signed-off-by: Alistair Francis Thanks for the follow-up! Reviewed-by: Arnd Bergmann