From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io1-xd43.google.com (mail-io1-xd43.google.com [IPv6:2607:f8b0:4864:20::d43]) by sourceware.org (Postfix) with ESMTPS id 088763857C41 for ; Thu, 1 Oct 2020 16:51:21 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 088763857C41 Received: by mail-io1-xd43.google.com with SMTP id v8so7431760iom.6 for ; Thu, 01 Oct 2020 09:51:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=66z1zN0pVnx7M/mwNIoakHrxApw9gc9ttAgaWIZ3ltU=; b=bIdfL+CVGdPs25iP2LDAXE7AlEm7GLuJYwSL1VNqRG+ce+r9FnZ23IBPBkft8GoWC6 VqSNG6sD+NHoMBbmdpkTYEHSosnttUvSHBCDa9WOgFq8TjWiiJ8rtdAxxUDTwB4ApxrT ClTvuQxfbbLOK+SvwmbC4Z3w+6QA+DIoV0fcvc2D8U8Jb+Gy4s7jDCrPVYHe0hRhdjEJ D6sdPXNtLOG9L77aW0+Ft6XRq+az40HwbS6Q/BL/+xmVBzWq+bEcP3Wvnujn74PsujQA +7G6929GaV7z5wARNauW3As/DtR83n5oBqJQGSpbPQe4KZtGrz5uHcB9orZ0GjqD65bd 0f2Q== X-Gm-Message-State: AOAM533NJ8wLo6Hw8p2TYvIphtGDnZsaHtVHf7Z8E68KoGlJevX1QcU6 iCKCp1pveeo0o/fewNmRpC+47e2wRQ7oXWQ/X44= X-Google-Smtp-Source: ABdhPJy6mHAa3n+U7aeCMJrqlS2gcgIIgfpay0uZlc2tSs07lsJ9goDjPQvwPWXXynAs0T+vHXHabGQONrdYI0UlKBo= X-Received: by 2002:a6b:1497:: with SMTP id 145mr1047751iou.202.1601571080390; Thu, 01 Oct 2020 09:51:20 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: "H.J. Lu" Date: Thu, 1 Oct 2020 09:50:44 -0700 Message-ID: Subject: Re: [PATCH 00/28] glibc-hwcaps support To: Florian Weimer Cc: GNU C Library Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-3031.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Oct 2020 16:51:24 -0000 On Thu, Oct 1, 2020 at 9:32 AM Florian Weimer via Libc-alpha wrote: > > This is a rebase of the previous patch series. I adjusted it for the > --argv0 ld.so change, added POWER10 support, and switched to the real > subdirectory names in the x86-64 psABI. > > I think the patches up to =E2=80=9Celf: Enhance ld.so --help to print HWC= AP > subdirectories=E2=80=9D are useful on their own because they add diagnost= ics for > existing functionality. The ld.so.cache extension mechanism and the > string table are also fairly independent parts. > > What's still missing? > > * documentation (including NEWS file updates) > * negative caching of missing glibc-hwcaps subdirectories (in bulk) > * tests > > I would like to work on these aspects in parallel to the patch reviews. > (Lack of negative caching makes it obvious what's going on with strace, > so it's perhaps even helpful that it's currently missing.) > > Support in GCC has landed earlier this week: > > > > I filed a separate LLVM bug, but do not plan to work on it for now: > > > > Thanks, > Florian Do you have a public git branch to share? --=20 H.J.