From nobody Mon Feb 9 05:13:55 2026 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 3E3BB330664 for ; Mon, 22 Dec 2025 08:27:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766392075; cv=none; b=tR0J0yp0ShOTlj6AQKgC5tydGLjTn1sz7D4vTDawki7gDoJa5rbAbyODudgruyEIibZ/VZoHhO/+9MqIZ8BGAzrG2FCY474JEp557Na/EO+ZjAlVEgE8seHrqr4/mCQypc+yJpBpyzJjH+5MnGC9vlTaDvy4joMrUTmDTs/RkaM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766392075; c=relaxed/simple; bh=QC1AgF2lMr8UYHyVl29Yc4+kOlqxWRJOdKzuFtG64Bk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=EkCjoy1A7UWNcA88YBzZPtFNKaZ5tGpdDMRlB1XN7AxWyq5SIS4VBtC4wCooSR5v9monGvQMSwJrp8jLvsnxOFJpBW601RqNx8bey+pTvsDMkG9CNaH4mjxJB2PGJek7wJUUQeigGxxJfgGX1KtS7d6GcxRchX+wVHN04GnYvFI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=gDL0xsWd; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=QosDRLB2; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="gDL0xsWd"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="QosDRLB2" From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1766392069; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=oSOtprZ+qPykyTr30pHF5ZKHmubcsbeElZ+oxTKbKdI=; b=gDL0xsWdpye4byeC+raxBohxIPYWLJGpziDgNhS7sp4z39Y3+EuFFlD/7xhSkPrM7mwZOB ovK2tTMZ+fztF+8EzHeCJZi1b4w4rhMOuWQRd+agf+QOeEZRtK4LJlAT9Yr8fIo2a6xcWE 36+E2d2/2s8DYKaoJI5JYdDJGD3BM1L1sefBC5ThhPawJ+HlbRs/hb3QiqPRmjM5AxE5Rh FSOUzSopdb3DPTvuXZnCp+zyk5wZBTifvR7AATab7dryNyOqYw6E3vpCyp/qz8C5c1fx71 yQWqL+PdARAHfkdDqsNNXPXt7XDfW+RWDamG7UvQhGmVhvx055y+CUZ6H1mA5Q== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1766392069; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=oSOtprZ+qPykyTr30pHF5ZKHmubcsbeElZ+oxTKbKdI=; b=QosDRLB2CQCGGWXZcMmbliTURCeugO9TbF7BgVso3U2sE6/3AWJoiyl9JZAZdSAlOaSAZE QseJpdOJIiAsZ2DA== Date: Mon, 22 Dec 2025 09:27:47 +0100 Subject: [PATCH] riscv: Implement ARCH_HAS_CC_CAN_LINK 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="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251222-cc-can-link-riscv-v1-1-633e39e4a60d@linutronix.de> X-B4-Tracking: v=1; b=H4sIAAIBSWkC/x3MMQqAMAxA0atIZgM1VgSvIg6SphqUKi2IUHp3i +Mb/s+QJKokmJoMUR5NeoWKrm2A9zVsguqqgQwNHREhM/Ia8NRwYNTEDzo2vbGORvYWandH8fr +z3kp5QM1jezkYwAAAA== X-Change-ID: 20251222-cc-can-link-riscv-dc0304d27cf4 To: Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Developer-Signature: v=1; a=ed25519-sha256; t=1766392068; l=1376; i=thomas.weissschuh@linutronix.de; s=20240209; h=from:subject:message-id; bh=QC1AgF2lMr8UYHyVl29Yc4+kOlqxWRJOdKzuFtG64Bk=; b=3bqp5kSVSjk46TwmDSjMt6Fc1HmxWOVusqNUmXUTcb20KKJOBV2sHr4QPLXw14AOGO6YclQ09 uKqMSOKkpU/Dq9jG1yxEjE3j2E9lw97E6fzvpeA7l6jNcrAZahYQm0T X-Developer-Key: i=thomas.weissschuh@linutronix.de; a=ed25519; pk=pfvxvpFUDJV2h2nY0FidLUml22uGLSjByFbM6aqQQws= The generic CC_CAN_LINK detection relies on -m32/-m64 compiler flags. These are not supported by riscv compilers. Use architecture-specific logic using -mabi instead. Signed-off-by: Thomas Wei=C3=9Fschuh --- arch/riscv/Kconfig | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 6b39f37f769a..b4c1f922eed5 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -25,6 +25,7 @@ config RISCV select ARCH_ENABLE_SPLIT_PMD_PTLOCK if PGTABLE_LEVELS > 2 select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE select ARCH_HAS_BINFMT_FLAT + select ARCH_HAS_CC_CAN_LINK select ARCH_HAS_CURRENT_STACK_POINTER select ARCH_HAS_DEBUG_VIRTUAL if MMU select ARCH_HAS_DEBUG_VM_PGTABLE @@ -1351,6 +1352,16 @@ config PORTABLE config ARCH_PROC_KCORE_TEXT def_bool y =20 +config ARCH_CC_CAN_LINK + bool + default $(cc_can_link_user,-mabi=3Dlp64d) if 64BIT + default $(cc_can_link_user,-mabi=3Dilp32d) + +config ARCH_USERFLAGS + string + default "-mabi=3Dlp64d" if 64BIT + default "-mabi=3Dilp32d" + menu "Power management options" =20 source "kernel/power/Kconfig" --- base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8 change-id: 20251222-cc-can-link-riscv-dc0304d27cf4 Best regards, --=20 Thomas Wei=C3=9Fschuh