Message ID | 20250210213549.1867704-10-cleger@rivosinc.com (mailing list archive) |
---|---|
State | New |
Headers | show
Received: from mail-wr1-f50.google.com (mail-wr1-f50.google.com [209.85.221.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 45C2825335E for <linux-kselftest@vger.kernel.org>; Mon, 10 Feb 2025 21:36:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.50 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739223379; cv=none; b=SKXhBuRrJ1O4/q82wnnfBnfF6kGl6fMZnUqhm5Tm+bOQL+QaRTK+XRmTDIj6B6Z7suCVqIVYYYfsa33p8LW+X1R98nHwQvvIxFbebij/2dNUJeEUY1G30T1YrwucWCXuHiEBmvFEAvDwGxdcQc9ThlE1947bjOKi98WKKitVlQg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739223379; c=relaxed/simple; bh=/j+ybqZeARPGCTJZl7exA3+V1IjrXZaSqccG31t9K7Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=cUq8l8cCeoDpVTF/I2vebJmyaEMO+aYPOkILF91PKhouZj/U8YhdSObKhdWI34Gf1u71TcJM1yWmklw2As/UxZcEO+jidGTtawtLCBBXwK7/shaNgncDecx//NAIwCTxRVLgHYyydNHoMCUHdItIc34bmS/Iy3ntgOkb4JxWNfs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rivosinc.com; spf=pass smtp.mailfrom=rivosinc.com; dkim=pass (2048-bit key) header.d=rivosinc-com.20230601.gappssmtp.com header.i=@rivosinc-com.20230601.gappssmtp.com header.b=c2xebSJ3; arc=none smtp.client-ip=209.85.221.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rivosinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rivosinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=rivosinc-com.20230601.gappssmtp.com header.i=@rivosinc-com.20230601.gappssmtp.com header.b="c2xebSJ3" Received: by mail-wr1-f50.google.com with SMTP id ffacd0b85a97d-38dd0dc2226so2625152f8f.2 for <linux-kselftest@vger.kernel.org>; Mon, 10 Feb 2025 13:36:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1739223375; x=1739828175; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=19zTUPAue8uF+l31WbsHm7jesitbh6CalqtCN/NDhL4=; b=c2xebSJ3LPiHXsGsSjuRfbMFxZxgU8LpqFgZqy0nvxgKR/gnvOAzSE+gHUULgsWAQQ 2b1QVMZmDY3xhs7aZuNjCmXS+0eTbsC9RirfpCpY8+xOi/3oljycbnbjSVQNHq5SImVJ H5T3vlT9bVxrMNhoSbKwk86zOxLYGyDfH/CgMbU7RB1KJGrZYOpf2XEjLJ24GkfMQYnN dkZ9A6XqYFM/EqZWF7i01+Jm0OfgxDWblLaUe2OMVx3sMjcgUEhEbADzsDte5OMzpMbr Wa+UHEpkAQFwNVsAbYk0C7+7Mra+qHdS8pJSvlKyKzqLQZKqVPkflGAwASmuWRJQnOYY KJGQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739223375; x=1739828175; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=19zTUPAue8uF+l31WbsHm7jesitbh6CalqtCN/NDhL4=; b=aMiQ/DqKAynZ/DKlHWxT67mua42h2B/sUu5Sybg2fGc3Tm+26SoFEJ1f+Wr7qUYRMf XnbPjTd9P60J6tcdu0AJppIJ2VrwD9cMyzDlNiPcaaKjQ3ebMgPpVvGftQprFLOwSjgQ CSD3cIl0fEudAe72tuG3wbQx9XVvd6xfPHypUORdcPZ6MBfQbCNaKbR0gqLYlpY6/yHc EpZdvdt7RMONPQ4DQQWYYqCplVLCWL7ixgDRSkjrokUYh1+ekbGxUMNvgEZRD4Jx7aUr Y0wihBVedz5lX1fXAmJGhR/q/Ko+jcVrru+FibpdhtVRqImQacCpRCra4MUUaoPuAd5k chLw== X-Forwarded-Encrypted: i=1; AJvYcCVfh21vIsGxrSq1S96HGzVnBcxgqcBTVarnhEGbvSQerN+SxKBUEgEV0HJxpqghlxq6TwOqMVzx0VD6lVXGRN0=@vger.kernel.org X-Gm-Message-State: AOJu0YwwLffsIkiyhCbOSNZT7MA+u5io6iQ1CvZCtngNiiZ+RmQOZvug L7RxtWYWTKBDdlXyyY6xHyFVS1XPhJFeef4ER4MjB6FOPSXppzX5mRx73MbGt48= X-Gm-Gg: ASbGncumk9SqTrhDKI2TOr+ZiYGbKPeQ4S8+Q551/I05B1utvYDK1TwuRyjZTFWW7Yh XiTgKLbbk/kvjz5fE41NDQWIQ3nT+hxnAnYyENE6kO/24aEZgKaf74dzlvqOR+dvCdP1WxdYsBe B7KkrE0P1CgUjHJmk86HTTSR7RcJm/9kDB5jxfNHJWwtRNHRB5foorG9Xuhj9i4XY78JYTrlQJJ j32GdVjBqVQZBWwqsyyqCu2LCRK6lTzEZnFbshFp4835+KyM5ngfcj5/Z89vr8Eoms+z5FJNnJO Fxs7z3YKOoIO/DBK X-Google-Smtp-Source: AGHT+IH8mk3UTikqJq637e5ac58oAB2cwKutxDJwkgs3YdoxbObjCQef1GMenNM8qJokTGgudOE/eQ== X-Received: by 2002:a5d:648d:0:b0:38d:d969:39b0 with SMTP id ffacd0b85a97d-38dd9693afbmr6558028f8f.2.1739223375424; Mon, 10 Feb 2025 13:36:15 -0800 (PST) Received: from carbon-x1.. ([2a01:e0a:e17:9700:16d2:7456:6634:9626]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4394376118esm47541515e9.40.2025.02.10.13.36.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Feb 2025 13:36:14 -0800 (PST) From: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= <cleger@rivosinc.com> To: Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Anup Patel <anup@brainfault.org>, Atish Patra <atishp@atishpatra.org>, Shuah Khan <shuah@kernel.org>, Jonathan Corbet <corbet@lwn.net>, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org Cc: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= <cleger@rivosinc.com>, Samuel Holland <samuel.holland@sifive.com> Subject: [PATCH v2 09/15] riscv: misaligned: use get_user() instead of __get_user() Date: Mon, 10 Feb 2025 22:35:42 +0100 Message-ID: <20250210213549.1867704-10-cleger@rivosinc.com> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250210213549.1867704-1-cleger@rivosinc.com> References: <20250210213549.1867704-1-cleger@rivosinc.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: <linux-kselftest.vger.kernel.org> List-Subscribe: <mailto:linux-kselftest+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-kselftest+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit |
Series |
riscv: add SBI FWFT misaligned exception delegation support
|
expand
|
diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c index 1d523cf96ff0..e6685db58bd1 100644 --- a/arch/riscv/kernel/traps_misaligned.c +++ b/arch/riscv/kernel/traps_misaligned.c @@ -269,7 +269,7 @@ static unsigned long get_f32_rs(unsigned long insn, u8 fp_reg_offset, int __ret; \ \ if (user_mode(regs)) { \ - __ret = __get_user(insn, (type __user *) insn_addr); \ + __ret = get_user(insn, (type __user *) insn_addr); \ } else { \ insn = *(type *)insn_addr; \ __ret = 0; \
Now that we can safely handle user memory accesses while in the misaligned access handlers, use get_user() instead of __get_user() to have user memory access checks. Signed-off-by: Clément Léger <cleger@rivosinc.com> --- arch/riscv/kernel/traps_misaligned.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)