From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 D5ABC3BADB5; Wed, 29 Apr 2026 09:10:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777453824; cv=none; b=gYuXuwjpJdzbnNnRAHGo/dRisYqLdpo1fk/7cQpcH0PILSB09c78txDHsxWohzGjgML1fhHKDgiUcycDCQDUf5yGObQXJ46Qr9VC5UTEJA6CKFOYzCMdULMQiStda94V77wgqQkXnwa4JIS9FmxJvHCx6tBNq2YbYFhcljFg/V4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777453824; c=relaxed/simple; bh=jSBBEiViULb3UU9dZ6BYCzqUgDa5grdPDSs329n6OPk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=qcId9GPP8C9HUM7bdgqD5W/nuirPguVGYsvr5wCme+7G04/VT9cU90H9rU+dO29UZf41M+eC3NBc3BIwJnfcVbkWslOnxMb6dNPVpHX184loO+sTfpDJcTNFml6i0tbOLx/Ol1PAc0NGpL4g5fp1sE1RM36R2P3GPxK7d/VCGTc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HTvY8EKz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HTvY8EKz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5E318C19425; Wed, 29 Apr 2026 09:10:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777453824; bh=jSBBEiViULb3UU9dZ6BYCzqUgDa5grdPDSs329n6OPk=; h=From:To:Cc:Subject:Date:From; b=HTvY8EKzlMx5vWgCremY+Cd+kNz3Z3Oh6XNQjXZ/McEsABBPaGBN+9VppoTzmbTZf kbgjEVovlni2IUmc5G9QF3g5lXRb2mSjR+WNjZi36AD/0gI70mCffY0hG1XGW2jsBg hIIwv2eTy53ab3UFgwHxLD1mT0ZJQzXE5Sc3fiuKK6zoFUd5NrDhV1LCfigN0ztC1w OqeEpJ/fRizRq8JT7+WRWQMV8Ve5xhf06RJU7i6UKdFL6GZkZz4m1194raKcIEzoIC mXTRSg1et0JmqBDHG0oy7STtQSjjJsXTXxQ0YmerAqWUDom4oVdLfSZp/Z9FAQF6k5 HWbWe+qjcaUqA== From: Thierry Reding To: Andrew Morton Cc: Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build failure after merge of the mm-nonmm-unstable tree Date: Wed, 29 Apr 2026 11:10:18 +0200 Message-ID: <20260429091019.3967613-1-thierry.reding@kernel.org> X-Mailer: git-send-email 2.52.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi all, After merging the mm-nonmm-unstable tree, today's linux-next build (arm64 defconfig) failed like this: In file included from /srv/kbuild/next/linux.git/arch/arm64/include/asm/fixmap.h:118, from /srv/kbuild/next/linux.git/arch/arm64/include/asm/pgtable.h:36, from /srv/kbuild/next/linux.git/include/linux/pgtable.h:6, from /srv/kbuild/next/linux.git/arch/arm64/include/asm/io.h:12, from /srv/kbuild/next/linux.git/include/linux/io.h:12, from /srv/kbuild/next/linux.git/include/acpi/acpi_io.h:5, from /srv/kbuild/next/linux.git/include/linux/acpi.h:40, from /srv/kbuild/next/linux.git/include/acpi/apei.h:9, from /srv/kbuild/next/linux.git/include/acpi/ghes.h:5, from /srv/kbuild/next/linux.git/include/linux/arm_sdei.h:8, from /srv/kbuild/next/linux.git/arch/arm64/kernel/asm-offsets.c:11: /srv/kbuild/next/linux.git/include/asm-generic/fixmap.h: In function 'set_fixmap_nocache': /srv/kbuild/next/linux.git/include/asm-generic/fixmap.h:54:29: error: 'PAGE_KERNEL_NOCACHE' undeclared (first use in this function); did you mean 'PAGE_KERNEL_ROX'? 54 | #define FIXMAP_PAGE_NOCACHE PAGE_KERNEL_NOCACHE | ^~~~~~~~~~~~~~~~~~~ /srv/kbuild/next/linux.git/include/asm-generic/fixmap.h:93:33: note: in expansion of macro 'FIXMAP_PAGE_NOCACHE' 93 | __set_fixmap(idx, phys, FIXMAP_PAGE_NOCACHE); | ^~~~~~~~~~~~~~~~~~~ /srv/kbuild/next/linux.git/include/asm-generic/fixmap.h:54:29: note: each undeclared identifier is reported only once for each function it appears in 54 | #define FIXMAP_PAGE_NOCACHE PAGE_KERNEL_NOCACHE | ^~~~~~~~~~~~~~~~~~~ /srv/kbuild/next/linux.git/include/asm-generic/fixmap.h:93:33: note: in expansion of macro 'FIXMAP_PAGE_NOCACHE' 93 | __set_fixmap(idx, phys, FIXMAP_PAGE_NOCACHE); | ^~~~~~~~~~~~~~~~~~~ /srv/kbuild/next/linux.git/include/asm-generic/fixmap.h: In function 'set_fixmap_offset_nocache': /srv/kbuild/next/linux.git/include/asm-generic/fixmap.h:54:29: error: 'PAGE_KERNEL_NOCACHE' undeclared (first use in this function); did you mean 'PAGE_KERNEL_ROX'? 54 | #define FIXMAP_PAGE_NOCACHE PAGE_KERNEL_NOCACHE | ^~~~~~~~~~~~~~~~~~~ /srv/kbuild/next/linux.git/include/asm-generic/fixmap.h:99:40: note: in expansion of macro 'FIXMAP_PAGE_NOCACHE' 99 | __set_fixmap_offset(idx, phys, FIXMAP_PAGE_NOCACHE); | ^~~~~~~~~~~~~~~~~~~ Caused by commit dd4bbc6d8e3a ("include/asm-generic/fixmap.h: reimplement nasty macros in C") I've reverted this patch in linux-next for now. Thanks, Thierry