From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta1.formilux.org (mta1.formilux.org [51.159.59.229]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AD6A62E8B61; Tue, 6 Jan 2026 11:05:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=51.159.59.229 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767697543; cv=none; b=B9LPL1VGXrLs4K4XStXOr5QMj5kdL6/jWNFlSiFBi1ZGyLjtEnvDI0dftBEFVfCQFHbKi9I99rXe3Oqko/KgieYGt94J8ChUKavsM/6j4aoKgHA+RiUREJ28wHaRBV3SF+Kh98/K8a5iv2qZliCaV2lkqfWHDDROc0+x7wZKxJM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767697543; c=relaxed/simple; bh=v/QdUj7h4OU6WeVTgoX/UuvROT9koe/n1KfAiUvt0KM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=qLI8AFrsXKHQDqm0LG02XXYH6ZBX0hIDbXQmrmYkn8+boJOMs7e60z+d3QwvbS+Lgi/WfOyCpcv6BwDsA9GQDUxEdDbgNfqZTreqrwCxZmcdc+tHPj6ZlzktebObnOAnnfjH7I4oW2H6GIEYd06o8foCGnRU7yP9RH/+RhzxGfM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=1wt.eu; spf=pass smtp.mailfrom=1wt.eu; dkim=pass (1024-bit key) header.d=1wt.eu header.i=@1wt.eu header.b=QOOfeEGH; arc=none smtp.client-ip=51.159.59.229 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=1wt.eu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=1wt.eu Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=1wt.eu header.i=@1wt.eu header.b="QOOfeEGH" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1wt.eu; s=mail; t=1767697532; bh=Ct0o6ftVNIBD+geX5dLPlYbXp9yhh+ppYXl6tdZuDjo=; h=From:Message-ID:From; b=QOOfeEGH9mQ+4nOG6+q9C6zhCeQzip92GpNpKJjWfNozGEIrkCNT1NIO+uDgEchVc gZkWC6KYvCcBQDXwJv7TTSRJe6FMDprBNF2UtDHk7UoH4c5AR+Y992XbeiOKKMQoJB vbDbDCNwO55Ff/AejpHixei7ISF7LiNVWXFQBxiY= Received: from 1wt.eu (ded1.1wt.eu [163.172.96.212]) by mta1.formilux.org (Postfix) with ESMTP id C0514C0857; Tue, 06 Jan 2026 12:05:31 +0100 (CET) Date: Tue, 6 Jan 2026 12:05:31 +0100 From: Willy Tarreau To: Thomas =?iso-8859-1?Q?Wei=DFschuh?= Cc: Shuah Khan , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] selftests/nolibc: always build sparc32 tests with -mcpu=v8 Message-ID: References: <20260106-nolibc-sparc32-fix-v2-1-7c5cd6b175c2@weissschuh.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260106-nolibc-sparc32-fix-v2-1-7c5cd6b175c2@weissschuh.net> On Tue, Jan 06, 2026 at 11:39:55AM +0100, Thomas Weißschuh wrote: > Since LLVM commit 39e30508a7f6 ("[Driver][Sparc] Default to -mcpu=v9 for > 32-bit Linux/sparc64 (#109278)"), clang defaults to -mcpu=v9 for 32-bit > SPARC builds. -mcpu=v9 generates instructions which are not recognized > by qemu-sparc and qemu-system-sparc. > > Explicitly enforce -mcpu=v8 to generate compatible code. > > Signed-off-by: Thomas Weißschuh > --- > Changes in v2: > - Use -mcpu=v8 > - Link to v1: https://patch.msgid.link/20260104-nolibc-sparc32-fix-v1-1-e341b06cbdb7@weissschuh.net > --- > tools/testing/selftests/nolibc/Makefile.nolibc | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tools/testing/selftests/nolibc/Makefile.nolibc b/tools/testing/selftests/nolibc/Makefile.nolibc > index b17ba2f8fb46..f5704193038f 100644 > --- a/tools/testing/selftests/nolibc/Makefile.nolibc > +++ b/tools/testing/selftests/nolibc/Makefile.nolibc > @@ -226,7 +226,7 @@ CFLAGS_mipsn32be = -EB -mabi=n32 -march=mips64r6 > CFLAGS_mips64le = -EL -mabi=64 -march=mips64r6 > CFLAGS_mips64be = -EB -mabi=64 -march=mips64r2 > CFLAGS_loongarch = $(if $(LLVM),-fuse-ld=lld) > -CFLAGS_sparc32 = $(call cc-option,-m32) > +CFLAGS_sparc32 = $(call cc-option,-m32) -mcpu=v8 > CFLAGS_sh4 = -ml -m4 > ifeq ($(origin XARCH),command line) > CFLAGS_XARCH = $(CFLAGS_$(XARCH)) Thank you Thomas! Acked-by: Willy Tarreau willy