From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 8FDCD3F8ED8; Tue, 26 May 2026 13:51:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779803505; cv=none; b=dRaAOOMTQos47c8JM8RKUr1WCnzqR32MiTchOHAYasInJ9rSUIO3WrSDX37Amwsytzm9j+eW3qjqYwurzG8GIMSW8KY2ThequEtATdnk/ycwkNmkjn86bc9rszey1w9hB//ckWt4Oi1S7ls8jl607K1ARGPKfBRyVR5SSNRDl0o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779803505; c=relaxed/simple; bh=SwU2E1zcFuReTT27wE+nRCLwRnL46Ubnb9ASQBOtRik=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=r5ECHFQeoI03bIjDyqvKO90hNCqx9mfdnDe4bXFlBKH7+hKTQNTI9w2CFBT9VtXYV8c00McxCLnsy/zoJAjW5M30NtRXITOGZHJDZTAdzcO4iQ5E20xjYt0KlFxmSSg4lCjNnVN1HvYh0PKrlBAYfbPS+WRPzcFnvct5TrQbbvs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=e5kXQbIZ; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="e5kXQbIZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B00681F000E9; Tue, 26 May 2026 13:51:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779803504; bh=5wGA/RmIhtUeD4cg88UQGLWDy1hcq+eWk0aL5eMdtGQ=; h=Date:From:To:Cc:Subject; b=e5kXQbIZlVGXn+KeYIMpM6Jm+VKKQUjhJ7SLhi+oU4+hoEnsFP6KJbspFYkSQeufM gI65K13dcvmM5+sekOwqiJEMCQZTFYWFfrjVIuxJAVDZTir0Dvn+PLTTvBelnZzJ4g uvV8wDozH4FVPoLVMBM70GLdmNw/YPKnErlN4U3/Fx0ba15sFV3AUmEewBpbiRHR4+ 2+8gPdNTdRX5CutCIbN5muhD+bJhyO4Z3R03s6B4RDvAcjMMQ5Mm8fvmvcBNj4WX0v onemGLW2P5BI6/8cUDv40ARKoZocfZEYy+ohe8gjEFxWoozaim1Ht8qsmZOWSbK1Df OCqv0oQUTNLtg== Date: Tue, 26 May 2026 14:51:41 +0100 From: Mark Brown To: Tejun Heo Cc: Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build failure after merge of the sched-ext tree Message-ID: Precedence: bulk X-Mailing-List: linux-next@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="6aOfT049msFHI6DT" Content-Disposition: inline --6aOfT049msFHI6DT Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi all, After merging the sched-ext tree, today's linux-next build (arm_multi_v7 defconfig) failed like this: /tmp/next/build/kernel/bpf/core.c:3379:13: error: redefinition of 'bpf_arena_handle_page_fault' 3379 | __weak bool bpf_arena_handle_page_fault(unsigned long addr, bool is_write, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /tmp/next/build/include/linux/bpf.h:9, from /tmp/next/build/include/linux/filter.h:9, from /tmp/next/build/kernel/bpf/core.c:21: /tmp/next/build/include/linux/bpf_defs.h:12:20: note: previous definition of 'bpf_arena_handle_page_fault' with type 'bool(long unsigned int, bool, long unsigned int)' {aka '_Bool(long unsigned int, _Bool, long unsigned int)'} 12 | static inline bool bpf_arena_handle_page_fault(unsigned long addr, bool is_write, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ Caused by commit dc11a4dba2464 (bpf: Recover arena kernel faults with scratch page) I have used the version from next-20260525 instead. --6aOfT049msFHI6DT Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmoVpWwACgkQJNaLcl1U h9BxOAf9GO5VXq7Sbz2kLVqsTR27Bff+Te2rT9O6B2oGu4yqpnNaT7z+g6286RoC e6zOF4uCvmjq5IpVknss4QT6NzfsMJWisZiX1DECQLSdUQmuEy+nxlMUWhLutU82 R5EHvdPEG3vv5x+4DkRYQg1kPAMjhxN2r+ATwj7Ird703IS5iXDAoWT9DWk4WMmF aAq99jf/CvMY1rFy8EHyeEplObUaHM4NSLgZJvJFU2UNmDEdPCoXLxCtFSo8O6ST wFwMu/RnNUJOLN+/1Uxtb0wBLeb55MPDCgDFt2RLrsmZhR8ZvnU6ZIjL4iLs9FSx FH7gkoxkVAdc3hAB2ze7AkfCF9E5/A== =oGsv -----END PGP SIGNATURE----- --6aOfT049msFHI6DT--