Message ID | 20241029-v5_user_cfi_series-v7-25-2727ce9936cb@rivosinc.com (mailing list archive) |
---|---|
State | New |
Headers | show
Received: from mail-pf1-f182.google.com (mail-pf1-f182.google.com [209.85.210.182]) (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 807F12144C6 for <linux-fsdevel@vger.kernel.org>; Tue, 29 Oct 2024 23:45:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730245523; cv=none; b=bHmIrPjUIchTgEaCCo0DMbT18uPEewUxCLcztat4bnNG1oTMsIR5SNXG+wCCIz0vUZnr45kKVtGNoZq9SJRNtPBMkuzc1qW5v9F/IogZdTOXsb6mob58tWdw5In1r9AyFYeFUJjPNvr2Bx19oU2mLPvkQR+vR725jO/Jq0DuHR4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730245523; c=relaxed/simple; bh=uIj6D6eKxGy22T3W83W2H4Fei/chUVRqxoKSzM5k6/M=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=gG/druog6nGkXmyK/kWJrlM9X6EOfO7Ul7J1OLzjB8sIl3r1OCIVCTQ0nmadq6Wqq6VBOtjooEvWdteAYYXd5JrHvc5QETZHP/2TYsPhRZzMTQPqjVgstRcNwxbMO4KBbQi8dYCIUwv2QxQ0W2u6nD492ceQYii0QX3J84o/Ri8= 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=tpACsMkN; arc=none smtp.client-ip=209.85.210.182 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="tpACsMkN" Received: by mail-pf1-f182.google.com with SMTP id d2e1a72fcca58-71e467c3996so4617810b3a.2 for <linux-fsdevel@vger.kernel.org>; Tue, 29 Oct 2024 16:45:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1730245521; x=1730850321; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=Kn/sn+D1z+93mY85aikbkRt+t3FRvwF0B8Ok3zV+OA0=; b=tpACsMkNDdHDMljNEfzxdFWJukqwQPAK6dy9qtuDt+FvoNqjYJQDXJmiLSxFz9KKvp QLY6DX1IIcTg1cEKmVYhfMcnOrfAtEyOEoeYY9prN77TOfsLcwcX03tycZ71gR/Mz/A1 Ie+IYvktVIsz5iTd3ax1eHk7gwW29LC+JlmrjS9r/rbajNiOwCyGKLvIwk/4Z6frMj3R U9kDn5gc2YBbhwXJh9zbTtTLZt6BdjwydgcgNWaNiITBbp0PNZLUp9qngN7r4XCudRfh PVUzNxPOOVGprPwDRI2TnvJJS7esOG0Ekph4ruIK/qEFAsAHQXiGQgIfHyGIWb2GUuA7 eJew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730245521; x=1730850321; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Kn/sn+D1z+93mY85aikbkRt+t3FRvwF0B8Ok3zV+OA0=; b=OmTbbhmIjWVoJH/I0YIqA4Qf7m9t88+Y/TIKJxmUNK6N8XqtPUnuWLvoQSlOBBwPdZ 44pW4CyAfht/JnhcU7ZgeN8JRB7BZzLeW54Wk4y1ikT/WeX8ZPp8pabHWXtU3DrJIdWj 519OrzBOtRKbKUZjR7WpxtM03ekz4/y/VXsjOSzyB889LMz7iTXT2lR6gNg2/VUzbx8R 1ARYDI1RflCb3xSCUZQlDpAf8xOcry6v9Y4qWy/Z9PUI8Oso+luP5fa87N2PiIXVk0HR DipvHAuLhia/qsXr7qWdnO2l0QlysZzQRGROUMFe4PHHwi4WIYDGaeOeL+BpJDIJuqTg hPSQ== X-Forwarded-Encrypted: i=1; AJvYcCWhOcDsttZorboAadtrP0lCqpsgle5iqLu9RTq+QKR7iIzWuNKTxHD4d2kIm9g+wtZaFJHhigHmq17ouSGW@vger.kernel.org X-Gm-Message-State: AOJu0Yxlv0WP87CPIBYS6PKG/itEYgPt86ZVzWzYYpLfFS37GVrZcoJf Kh+44g7xhb4ik3N4rfCcE153lAEED2vbKCAZby6yHSIOMvhVBWPt8Mg9XwZ04yE= X-Google-Smtp-Source: AGHT+IFSRRwDJwzMEik28WuiCu9TazkISCRtSEmteAY39kMNDbrF9hMfjaoxtBbs1QyHM1hw6YiZLw== X-Received: by 2002:a05:6a21:e96:b0:1d2:eaca:4fa8 with SMTP id adf61e73a8af0-1d9a84d9df9mr21491704637.35.1730245520903; Tue, 29 Oct 2024 16:45:20 -0700 (PDT) Received: from debug.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-72057921863sm8157643b3a.33.2024.10.29.16.45.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Oct 2024 16:45:20 -0700 (PDT) From: Deepak Gupta <debug@rivosinc.com> Date: Tue, 29 Oct 2024 16:44:25 -0700 Subject: [PATCH v7 25/32] riscv/hwprobe: zicfilp / zicfiss enumeration in hwprobe Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: <linux-fsdevel.vger.kernel.org> List-Subscribe: <mailto:linux-fsdevel+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-fsdevel+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20241029-v5_user_cfi_series-v7-25-2727ce9936cb@rivosinc.com> References: <20241029-v5_user_cfi_series-v7-0-2727ce9936cb@rivosinc.com> In-Reply-To: <20241029-v5_user_cfi_series-v7-0-2727ce9936cb@rivosinc.com> To: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>, Dave Hansen <dave.hansen@linux.intel.com>, x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>, Andrew Morton <akpm@linux-foundation.org>, "Liam R. Howlett" <Liam.Howlett@oracle.com>, Vlastimil Babka <vbabka@suse.cz>, Lorenzo Stoakes <lorenzo.stoakes@oracle.com>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Conor Dooley <conor@kernel.org>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>, Arnd Bergmann <arnd@arndb.de>, Christian Brauner <brauner@kernel.org>, Peter Zijlstra <peterz@infradead.org>, Oleg Nesterov <oleg@redhat.com>, Eric Biederman <ebiederm@xmission.com>, Kees Cook <kees@kernel.org>, Jonathan Corbet <corbet@lwn.net>, Shuah Khan <shuah@kernel.org> Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-arch@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, alistair.francis@wdc.com, richard.henderson@linaro.org, jim.shu@sifive.com, andybnac@gmail.com, kito.cheng@sifive.com, charlie@rivosinc.com, atishp@rivosinc.com, evan@rivosinc.com, cleger@rivosinc.com, alexghiti@rivosinc.com, samitolvanen@google.com, broonie@kernel.org, rick.p.edgecombe@intel.com, Deepak Gupta <debug@rivosinc.com> X-Mailer: b4 0.14.0 |
Series |
riscv control-flow integrity for usermode
|
expand
|
diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h index 1e153cda57db..d5c5dec9ae6c 100644 --- a/arch/riscv/include/uapi/asm/hwprobe.h +++ b/arch/riscv/include/uapi/asm/hwprobe.h @@ -72,6 +72,8 @@ struct riscv_hwprobe { #define RISCV_HWPROBE_EXT_ZCF (1ULL << 46) #define RISCV_HWPROBE_EXT_ZCMOP (1ULL << 47) #define RISCV_HWPROBE_EXT_ZAWRS (1ULL << 48) +#define RISCV_HWPROBE_EXT_ZICFILP (1ULL << 49) +#define RISCV_HWPROBE_EXT_ZICFISS (1ULL << 50) #define RISCV_HWPROBE_KEY_CPUPERF_0 5 #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) #define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0) diff --git a/arch/riscv/kernel/sys_hwprobe.c b/arch/riscv/kernel/sys_hwprobe.c index cea0ca2bf2a2..98f72ad7124f 100644 --- a/arch/riscv/kernel/sys_hwprobe.c +++ b/arch/riscv/kernel/sys_hwprobe.c @@ -107,6 +107,8 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair, EXT_KEY(ZCB); EXT_KEY(ZCMOP); EXT_KEY(ZICBOZ); + EXT_KEY(ZICFILP); + EXT_KEY(ZICFISS); EXT_KEY(ZICOND); EXT_KEY(ZIHINTNTL); EXT_KEY(ZIHINTPAUSE);
Adding enumeration of zicfilp and zicfiss extensions in hwprobe syscall. Signed-off-by: Deepak Gupta <debug@rivosinc.com> --- arch/riscv/include/uapi/asm/hwprobe.h | 2 ++ arch/riscv/kernel/sys_hwprobe.c | 2 ++ 2 files changed, 4 insertions(+)