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spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:60838 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1luyWx-0003Hm-2q for qemu-devel@archiver.kernel.org; Sun, 20 Jun 2021 10:34:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45374) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1luyVx-0001Ts-2g for qemu-devel@nongnu.org; Sun, 20 Jun 2021 10:33:33 -0400 Received: from mout.kundenserver.de ([217.72.192.74]:45577) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1luyVs-0006MM-KQ for qemu-devel@nongnu.org; Sun, 20 Jun 2021 10:33:32 -0400 Received: from [192.168.100.1] ([82.142.1.74]) by mrelayeu.kundenserver.de (mreue107 [213.165.67.119]) with ESMTPSA (Nemesis) id 1MXYAj-1lmPff0Jg7-00Yxji; Sun, 20 Jun 2021 16:33:24 +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: <08a6f0e9-696b-6244-fd30-1199a5b08004@vivier.eu> Date: Sun, 20 Jun 2021 16:33:23 +0200 User-Agent: Mozilla/5.0 (X11; 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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, RCVD_IN_DNSWL_NONE=-0.0001, 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 > Reviewed-by: Laurent Vivier