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=-15.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,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 E947EC48BDF for ; Sun, 20 Jun 2021 14:35:43 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7F18360200 for ; Sun, 20 Jun 2021 14:35:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7F18360200 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=vivier.eu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:35830 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1luyY2-0005RP-Nz for qemu-devel@archiver.kernel.org; Sun, 20 Jun 2021 10:35:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45476) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1luyX9-0004Kx-6u for qemu-devel@nongnu.org; Sun, 20 Jun 2021 10:34:47 -0400 Received: from mout.kundenserver.de ([212.227.17.13]:57119) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1luyX7-00075z-D5 for qemu-devel@nongnu.org; Sun, 20 Jun 2021 10:34:46 -0400 Received: from [192.168.100.1] ([82.142.1.74]) by mrelayeu.kundenserver.de (mreue108 [213.165.67.119]) with ESMTPSA (Nemesis) id 1N8ojI-1lFoil31bK-015tgu; Sun, 20 Jun 2021 16:34:41 +0200 Subject: Re: [PATCH] linux-user: Check for ieee128 fpbits in PPC64 HWCAP2 feature list To: Khem Raj , qemu-devel@nongnu.org References: <20210614191729.2981488-1-raj.khem@gmail.com> From: Laurent Vivier Message-ID: <280e98a9-9b2d-ce45-b32e-6cb3d274af7e@vivier.eu> Date: Sun, 20 Jun 2021 16:34:40 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210614191729.2981488-1-raj.khem@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: fr Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:W1ySWqtr3R/Iwf65CWP53ByusZAnZDqQoX0/UYx3D1UztT+GbTx 0j1HCBN6BRW5UA0Tu1dmQqLrfY/lTuZrSgFxtKnXw8M9EN85r+6DtDp/kG1ZBq0V8Bqy9rF z2zs6N9+2OoFI4OMhFILRy3vdN0RZIEiRLRcPxtkSTrr4gvqfs5YxRFtBFSqv3CupTPf8pd HwpxCLNXj9vg5+VrVmxLg== X-UI-Out-Filterresults: notjunk:1;V03:K0:5NVxy6C7ta8=:/VcaRxUD/9Qtk4qPX20bSJ dC2Dcwic6089Avs4H8UWkQhAOBhr1ABUxYJfAhRV18Moa7lJWSKdJT6niSxFM28foWE+oNI7O Tz88S6dmM0pPRFysa56o13cnQ2cRBWNrd+j+92Iy2vRFclbwwJw1TzrdxwhXYGV5AioIsf9/c sYRcu05W0nuY/P1zYN7BRvKWjcLGS0lswHH9nuor4F2ZGbknliBC9dJMiLocpnZTIlZyTAmSB ynyL2Yqxdqo1Jvshte2gwblbXrRGjTF9qyXRXB9E8xOWu/xykmfwARSKdAe5rqWHmU0Eolzkv J0Fs0P+MCXyW9AM1GnUHg8CIJGjUq//FElCi2xX1zn5AJ4yvoxv1eTsPgS7/QaG8tauFe0ekt U7OfQSSiW3aXWNuERIRf46f4VViA2yVagyhHOLq/tPHSN26hSclji5s/hvslRoSbKJo7Ue9A+ hkbdw98lgrYR7BRX7a48VyUK52pmGVFWRdjUuScadl5ptMdIYmpn/khx7QmJMLLupj6CD8lAl XE2aJvC/k7wOqX6FZqNfyI= Received-SPF: none client-ip=212.227.17.13; envelope-from=laurent@vivier.eu; helo=mout.kundenserver.de X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, NICE_REPLY_A=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Florian Weimer Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Le 14/06/2021 à 21:17, Khem Raj a écrit : > glibc 2.34 is now checking for this in hwcaps at > runtime [1] and failing to run the binary if machine > does not support 128bit IEEE fp > > Fixes > Fatal glibc error: CPU lacks float128 support (POWER 9 or later required) > > [1] https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=d337345ce145e23c5f3a956f349d924fdf54ce2d;hp=eb24865637a271ab7dad13190330105eab0d478d > > Signed-off-by: Khem Raj > Cc: Florian Weimer > --- > linux-user/elfload.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/linux-user/elfload.c b/linux-user/elfload.c > index 17ab06f612..e7dd18fd40 100644 > --- a/linux-user/elfload.c > +++ b/linux-user/elfload.c > @@ -830,7 +830,7 @@ static uint32_t get_elf_hwcap2(void) > PPC2_ISA207S), QEMU_PPC_FEATURE2_ARCH_2_07 | > QEMU_PPC_FEATURE2_VEC_CRYPTO); > GET_FEATURE2(PPC2_ISA300, QEMU_PPC_FEATURE2_ARCH_3_00 | > - QEMU_PPC_FEATURE2_DARN); > + QEMU_PPC_FEATURE2_DARN | QEMU_PPC_FEATURE2_HAS_IEEE128); > > #undef GET_FEATURE > #undef GET_FEATURE2 > Applied to my linux-user-for-6.1 branch. Thanks, Laurent