From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=205.220.168.131 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794333281; b=eN2qcHk846SGme4xqCTdigdYcgI2vyWmHjIne0QpYIHDg6mVDUFqKF+HdwVcDT2RLne8 LLKjiKXrB2GqvPBEiqxlHaCwoMMtCqIGGXDjNAcmFDSSUC8T7JZ6JODxCfO1Sx4XkvbUv ANoXRTqU0sLaI4TYGF1IC4ATcYgx4zNm0dNu3Smh6SVp1KGTC6/fXsBYnFttdxiznfzW4 nTgQ+oKj9gw7RhC/YeM69ytefZ34gfOMcM64LLm0I/a8mdSD7Cb5meFjw/qqPebH2iFUE p4SSkBJ2gGZtMlLsMVeT/1Ph5UVMjrPraO8epc6qnO2i1JEErYqFzbkbcDDkVBNwRaQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794333281; h=DMARC-Filter:Received:DKIM-Signature:Received:Received: DKIM-Signature:X-Google-DKIM-Signature:X-Gm-Message-State:X-Gm-Gg: X-Received:X-Received:Received:From:To:Cc:Subject:Date:Message-ID: X-Mailer:In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding:X-Proofpoint-ORIG-GUID:X-Authority-Analysis: X-Proofpoint-Spam-Details-Enc:X-Proofpoint-Spam-Info: X-Proofpoint-GUID:X-Proofpoint-Virus-Version: X-Proofpoint-Spam-Details; bh=UDVDDTqM7qW9WUKRjzUggikRl97rZJtI3Mq2et/Up5Q=; b=DfBgJE/UOjZ1KRAb88OUHzdFMCo0mvadyRGQyztPRkOfSGdI0K0K2ecFpJExEYfY+qPq dWM2DUtljduB6AkN68V1BuKkWifWWr8VtnX4HrunWkv/BXpAa2gKoVwM1es/I5FcWRiR/ +4/IhUSUasg+cLNh2csLFh0RwS/MOW+3h7P4Wa2z8Jc09F6ZcrGiBZEydq5oZ33s4GmBD qbfFBolwgu0DvjnqcRfChMryyT2kcxL+QK9iQw9EweX9N0/CvC8ZeGmgNM2QZn0lnkRTW Kro3Z15VJYfnPQPf0edBSLrww4LrvCUuShNneeXW0rxWv8JowVPx3YBN2qnvnukGVNQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=kgATETlH; dkim=pass header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=VKEQOFcO; arc=none smtp.remote-ip=205.220.168.131 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D453860A5BCE for ; Tue, 10 Nov 2026 17:54:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org D453860A5BCE Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=kgATETlH; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=VKEQOFcO Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6AAF0BOd3183380 for ; Tue, 10 Nov 2026 17:54:40 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= UDVDDTqM7qW9WUKRjzUggikRl97rZJtI3Mq2et/Up5Q=; b=kgATETlHuJduGH32 VWDGbcDeiywG90BY71yrQCHJ3wAtDNVx+6zM7wdLerN+yiR2A1eqN8gvXf65pwwK x0uTQ/evzNOVV5S59OAVUWeXsbMwyEcMmtDFEFXnhvZtUgpt4woHEiVMNohW6pqz ONXAeUFF3kY7dtOt0x6z2F1REZkJzl1YtOkIr6MYXdmtJAXDlbCR6VgMqLm+7N7Y 7ZfkG+KbHioKqGiDI4cYc3CXD7g+oY3GIL8Do0YFKzLhWmmLtggo55ooNXlW8SwT FNbh68yUOo+rlM9v3UgNFySvZTyrRunr3x/J6L1xCxRjRf6XZsVCd1iENT/CH0Bu IOfCXQ== Received: from mail-qk1-f200.google.com (mail-qk1-f200.google.com [209.85.222.200]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4huucp37bv-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 10 Nov 2026 17:54:40 +0000 (GMT) Received: by mail-qk1-f200.google.com with SMTP id af79cd13be357-93e92aad34aso586997285a.0 for ; Tue, 10 Nov 2026 09:54:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1794333279; x=1794938079; darn=vger.kernel.org; h=content-transfer-encoding:content-type:mime-version:references :in-reply-to:message-id:date:subject:cc:to:from:from:to:cc:subject :date:message-id:reply-to:content-type; bh=UDVDDTqM7qW9WUKRjzUggikRl97rZJtI3Mq2et/Up5Q=; b=VKEQOFcOufNDJjC5+boyL9KaQO76Se7s5ez+PI1QLSq4mrdwpsHtj9YMdBFp8fHLGg fDEK4N+H0LELt+HFlEKdaVhV1jhbDrXwxoQXu0ttxkqGrKD8yYn3HnZhlYbNp0pIxXmw vRgWBAn2oprPc/uFlNvPUjPLViCtevK+0J4qD9Y12xVoGPR1CVesw5pgvaLcBEFzDwuR jiDgVT3qdER3kQX06aOVVbj0e/8qfQ8sts/U9I+k0eubbSICcx2KK+jLtMy+6X9JCBDH yz+4gGN7SCEP4H+QfRAExChs3KItQBO1fa8owWXNwG70wdVPN1QLmhnhFwnFgR5BOW/j Ex4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794333279; x=1794938079; h=content-transfer-encoding:content-type:mime-version:references :in-reply-to:message-id:date:subject:cc:to:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=UDVDDTqM7qW9WUKRjzUggikRl97rZJtI3Mq2et/Up5Q=; b=c4T+L/KmMSfPMWBxh8sm94ktc02E2/VWHpCLksj3FLH4j4Hlz2Cqp/SPO6ls1EIGK+ Om6NriODlC960ItZDcXshoyCCRK44/BEl58gOy0X9gFh2OA5ueXV8eSMFz09fzipzmx9 vbxsq9gQRAF+R5bLqMWF5O2H/lDJAIijTGUv9mNv+Y2/I/ffK7jvkd8tfY8HxWD9Qcz0 IjT7zZTJLsYu/CY5s0DvJxUsHw0izHnkGGRYL8huW/2Wek28I2laThyFqPYFdFEgPIsd dJCCzCKo/ykUwYFJiahRcKzfYoz0QZcWTRpsoxtGUMhHFsNKjNEFtr8KXoY8oRvLFWcx /kYg== X-Gm-Message-State: APuU4Z/7g7e9YD3vSbCgRqczi1OO0IzrpVBIiEQxkcgb3SC6AYPZMwtm AIINhZYNL+8r5kSdEiktmxhlmJ9J9BUFGj7pqijYmVLf4lglNWeA48LX58K0Krc6iOQOeMjciNX jTus6REOqqY0fclHd4Hpnu3+WZEmO5unX8fjASKvmZXQ9FCo5ZHimRHAdl801mQaROio= X-Gm-Gg: AYBFou3oAj+pnMvtP+/qVmdXI5hriSVfrszDpTKzF/gvze0wMWW9PPE77FM6sg9RMzx 2HBY3WCMR/iC+a3cbNfa3TEM3DuuQEuk/f+M4lKjKay13GVwqB53k+cQ6JDDkXQnAoRTnQ2dxv1 uWzBbTFR4QMqQbJgq0Hbqu/SfZl/+joQIq9tRnijefKgr2CqCm0FmUYxdTcBJC8Dix5lG14zued OtnI++hJIUPGWAnwA6nHFXjzdA+zNRcYa5SeFBBPMv3optEfufBFZTd5Ago2GSpS+ptpXwNT4fd fnwahSkbmz6E5IrbmRVz8z7/4x4YcxxCq/BGMJ9MwdL1g7766vjFBH2KRCwZT9iFCSlcCg9Ct0S FukmBkZn7Hck6rduW6A8X1B+qkFQ0UApD3jxCqYj6G0/BZX+QDsy1o3qH/JKYlL09S7+3kaUroN do1KaFRcgcvSA= X-Received: by 2002:a05:620a:4886:b0:93e:9508:8360 with SMTP id af79cd13be357-9479f2b5063mr586635285a.27.1794333279139; Tue, 10 Nov 2026 09:54:39 -0800 (PST) X-Received: by 2002:a05:620a:4886:b0:93e:9508:8360 with SMTP id af79cd13be357-9479f2b5063mr586631685a.27.1794333278537; Tue, 10 Nov 2026 09:54:38 -0800 (PST) Received: from localhost (ip-86-49-245-11.bb.vodafone.cz. [86.49.245.11]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4989a2a505asm4713009f8f.13.2026.11.10.09.54.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Nov 2026 09:54:37 -0800 (PST) From: =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= To: linux-riscv@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Paul Walmsley , Palmer Dabbelt , Alexandre Ghiti , Samuel Holland , Andy Chiu , Guodong Xu , Zong Li , Charlie Jenkins , Andy Chiu Subject: [PATCH v2 5/6] riscv: hwprobe: Report XTheadVector only when available Date: Tue, 10 Nov 2026 18:50:47 +0100 Message-ID: <20261110175048.82208-6-radim.krcmar@oss.qualcomm.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20261110175048.82208-1-radim.krcmar@oss.qualcomm.com> References: <20261110175048.82208-1-radim.krcmar@oss.qualcomm.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: PbXfZtNO39J6HfLo7tp3Tyi9YPR55Ne2 X-Authority-Analysis: v=2.4 cv=U4oHnuru c=1 sm=1 tr=0 ts=6af35a60 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=4CXLxsOAgPM/krjtHEZQyA==:17 a=IkcTkHD0fZMA:10 a=zJRp6_cAMcgA:10 a=M51BFTxLslgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=t9496tuAAAAA:8 a=EUspDBNiAAAA:8 a=07GccxXRkLxfzaV0jD8A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 a=4wQ91nGE5lQcD7eh5OX0:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTEwMDA3MSBTYWx0ZWRfX59uP31tnclv7 O/eauMnxNuCa8YZlFzugNQeZRqpfYF4NRqfaI1cI/AfiRnpTnSQH1fub+c0Pn1QEdYi6PrIFq2c xL9oD1CmnbFNQUF+CWXoFDi2/a4ZV640R8Hp9BA/GOOB8+VwM44TPjz23eGjUBU9SCJZpe6aULm +MqbFiT6cra54wXxPK6xn7AZNqMpRd5R4rzqXwf613lCZfpDMXYdg7eXVYIn7G08rETTq0QMDyW UdjVQMD9nTHn3m6sa5A5nK14FiVAM+PGYx4qGHMB3Cx4hxZO5MumVv/U5tKlaNb9bXmHqdTvjnx G7lAqpKRfNDcQiWJPZd5YKHw4hGQ8phmboNZcR4W8S8IIBieZwsN9tcxBEkvM71PdYUopsjqyJO Q3f4YPYrF3Tf26Kia1ha1KUm7iY7LwmfVWo11dXT2Eh8YOFI48E91m1Y+baAIw86Q9f3ednLwSw Dk2ijM2bVEEh8XW5HvA== X-Proofpoint-Spam-Info: AW1haW4tMjYxMTEwMDA3MSBTYWx0ZWRfX4clVzWiEZQsE LJtrA21hsLv0Y0XU1XwKXL5DtmnPP39lS9tWy/+7g+KVK04dw5Msw9LC+v/aA+yQJapHhXYVkJ3 cptM6k7pSgDz8FJTuQdjDanF9S04fxI= X-Proofpoint-GUID: PbXfZtNO39J6HfLo7tp3Tyi9YPR55Ne2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-10_05,2026-11-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 impostorscore=0 clxscore=1015 priorityscore=1501 malwarescore=0 spamscore=0 adultscore=0 phishscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2611040001 definitions=main-2611100071 User-mode use of XTheadVector requires non-Off sstatus.VS, which we set only when has_xtheadvector() (XTheadVector on all harts). XTheadVector also bundles operations with floating state, which additionally requires non-Off sstatus.FS and hence has_fpu() (D on all harts). hwprobe currently reports XTheadVector from the per-hart ISA bitmaps alone, so it can advertise XTheadVector when always disabled in user-mode. Report correct environment to user-mode. Fixes: a5ea53da65c5 ("riscv: hwprobe: Add thead vendor extension probing") Reviewed-by: Andy Chiu Signed-off-by: Radim Krčmář --- v2: * slightly reworded commit message * added r-b --- arch/riscv/kernel/vendor_extensions/thead_hwprobe.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/riscv/kernel/vendor_extensions/thead_hwprobe.c b/arch/riscv/kernel/vendor_extensions/thead_hwprobe.c index 2eba34011786..f07aa1c8acac 100644 --- a/arch/riscv/kernel/vendor_extensions/thead_hwprobe.c +++ b/arch/riscv/kernel/vendor_extensions/thead_hwprobe.c @@ -1,5 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-only +#include +#include #include #include #include @@ -14,6 +16,7 @@ void hwprobe_isa_vendor_ext_thead_0(struct riscv_hwprobe *pair, const struct cpu { VENDOR_EXTENSION_SUPPORTED(pair, cpus, riscv_isa_vendor_ext_list_thead.per_hart_isa_bitmap, { - VENDOR_EXT_KEY(XTHEADVECTOR); + if (has_xtheadvector() && has_fpu()) + VENDOR_EXT_KEY(XTHEADVECTOR); }); } -- 2.55.0