Message ID | 20240912231650.3740732-6-debug@rivosinc.com (mailing list archive) |
---|---|
State | New |
Headers | show
Return-Path: <owner-linux-mm@kvack.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41338EEE271 for <linux-mm@archiver.kernel.org>; Thu, 12 Sep 2024 23:17:32 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id C31836B0099; Thu, 12 Sep 2024 19:17:31 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id BE0246B009A; Thu, 12 Sep 2024 19:17:31 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9E63C6B009B; Thu, 12 Sep 2024 19:17:31 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 7FA4F6B0099 for <linux-mm@kvack.org>; Thu, 12 Sep 2024 19:17:31 -0400 (EDT) Received: from smtpin05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 283BEC0C2B for <linux-mm@kvack.org>; Thu, 12 Sep 2024 23:17:31 +0000 (UTC) X-FDA: 82557649902.05.98EB82B Received: from mail-pj1-f48.google.com (mail-pj1-f48.google.com [209.85.216.48]) by imf04.hostedemail.com (Postfix) with ESMTP id 51F564000D for <linux-mm@kvack.org>; Thu, 12 Sep 2024 23:17:29 +0000 (UTC) Authentication-Results: imf04.hostedemail.com; dkim=pass header.d=rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=htAqUFlr; spf=pass (imf04.hostedemail.com: domain of debug@rivosinc.com designates 209.85.216.48 as permitted sender) smtp.mailfrom=debug@rivosinc.com; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1726182995; a=rsa-sha256; cv=none; b=BaZtB9r6U8q3uB6lD22hJWRhpdzvdrpCwbnQwQLeO4k8kwvOUEfTSJlh5+KIUppL131cAc ftYr+UUNVkXdoOJAYu1pa1uPL59HP1YWaujW6axZHtaRrQgmr9Ng5EkUbiGQ7DPrw7QcQb Q7LCztHET2ausZSVOldr6HIBbo8u2Oc= ARC-Authentication-Results: i=1; imf04.hostedemail.com; dkim=pass header.d=rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=htAqUFlr; spf=pass (imf04.hostedemail.com: domain of debug@rivosinc.com designates 209.85.216.48 as permitted sender) smtp.mailfrom=debug@rivosinc.com; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1726182995; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=KDHpycfSyd14eKEYNZ2Tiwh37NTkssfzdaJprWVmYic=; b=R3JXQuBvOa6m1Xn+z1SFc2mWO64S8Io4PzvhNDpJ7FpRrMogG6CDzp2YVS7vXqbWXlkcDk etNL0F5zw5wJSTBR6WKOUfvm3fUDDDC/jFeNs6nXMFgB3g/0x6KN4mjlCxw9S9o3tA7sGr /PfI6WPYPs0AyIJ6z1t0idEZiQzl0hM= Received: by mail-pj1-f48.google.com with SMTP id 98e67ed59e1d1-2d8b96c18f0so1265412a91.2 for <linux-mm@kvack.org>; Thu, 12 Sep 2024 16:17:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1726183048; x=1726787848; darn=kvack.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=KDHpycfSyd14eKEYNZ2Tiwh37NTkssfzdaJprWVmYic=; b=htAqUFlrOZAwzYLx+W9luBgr5aWOpec+6pJuJSrH8NDYix2ij38SzFIQRhPrwD9bfR 4SLmCbTQtJk+VSkf4lUbUlXT3h9JFH6TbHHj8l5p11ShGfqspqmYIqPjSqHnYOKqWzPU ua28CaRyuV3HROi4VXv9slzXvLqxvcZqo1dhO1zm41cgLpbhxBSwUeBrMLsHR1u2QNsi 70pvIXcVVGqRQcFMCF+YvheDDnpuyQrhfwX/H+8+zWJofEl21ZM/d17f9+YKObMHO39z RLgFy2RphLN3/Qdwza+Xpxp7R/DeRaSqYRFM/jCVOUIcv5q2FFQVoskR7xB5SjvjtsiL EhqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726183048; x=1726787848; 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=KDHpycfSyd14eKEYNZ2Tiwh37NTkssfzdaJprWVmYic=; b=WBOGwpDo9KP6e6WCTEtcc7nwqARHTQr4ZngKveLKPIhwrrTvXqSSrreKiutgQneuUS sF7uVaLNA8JT1Zt28jpuSN8lXzA/2uFGj8qPXY9MuK8YG25dANbtEqQiEWhLFdee00z+ FVtIVjgidrJSQrQ63OGWiVkCY4b1O8+Vy0QkiI9F5qEohcPydQjLZTAfntkUA5yo9rVA /i6FUYJXgjpbvNrMmvAmYroLnSuc78Zx3OBUZ2qHg1DJpmDNzwVOwesAbABP3fipIFMI M2w9UaBs8WHqyR4SDAXcz2qtS8OmxMoGQR6S1LPqOXUzaeE/eHzosbk8AlOZ+9A1VTd6 wzGw== X-Forwarded-Encrypted: i=1; AJvYcCXEACqpf36G9V1H+N4cXc4PRdpwpbWZOGYOHdnALLrnggqnb2IAFs4KPMsBzGgN59gaITyk48ZCPw==@kvack.org X-Gm-Message-State: AOJu0YyzUDjpUQnpfJR5Q3NdsBfp5ZH76Vl2x7udqRSenFkb3nUvs9Lx GFvMoT9RJcvWYQB+3XcEGcVeocuG3AEaXcfeL1xddoNcTsZLv6K6J4r0hCiQZE0= X-Google-Smtp-Source: AGHT+IGgw8wuv6wUiP6Uqm3H0s61sB80F1WhERdlqMkwOmwPP9ITQsqy/bvbAfvC2aqbyGgjaY4ahg== X-Received: by 2002:a17:90a:f2c9:b0:2da:6a4d:53a6 with SMTP id 98e67ed59e1d1-2db9ffb3672mr5841992a91.19.1726183047961; Thu, 12 Sep 2024 16:17:27 -0700 (PDT) Received: from debug.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2db6c1ac69asm3157591a91.0.2024.09.12.16.17.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Sep 2024 16:17:27 -0700 (PDT) From: Deepak Gupta <debug@rivosinc.com> To: paul.walmsley@sifive.com, palmer@sifive.com, conor@kernel.org, linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-kselftest@vger.kernel.org Cc: corbet@lwn.net, palmer@dabbelt.com, aou@eecs.berkeley.edu, robh@kernel.org, krzk+dt@kernel.org, oleg@redhat.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, peterz@infradead.org, akpm@linux-foundation.org, arnd@arndb.de, ebiederm@xmission.com, kees@kernel.org, Liam.Howlett@oracle.com, vbabka@suse.cz, lorenzo.stoakes@oracle.com, shuah@kernel.org, brauner@kernel.org, samuel.holland@sifive.com, debug@rivosinc.com, andy.chiu@sifive.com, jerry.shih@sifive.com, greentime.hu@sifive.com, charlie@rivosinc.com, evan@rivosinc.com, cleger@rivosinc.com, xiao.w.wang@intel.com, ajones@ventanamicro.com, anup@brainfault.org, mchitale@ventanamicro.com, atishp@rivosinc.com, sameo@rivosinc.com, bjorn@rivosinc.com, alexghiti@rivosinc.com, david@redhat.com, libang.li@antgroup.com, jszhang@kernel.org, leobras@redhat.com, guoren@kernel.org, samitolvanen@google.com, songshuaishuai@tinylab.org, costa.shul@redhat.com, bhe@redhat.com, zong.li@sifive.com, puranjay@kernel.org, namcaov@gmail.com, antonb@tenstorrent.com, sorear@fastmail.com, quic_bjorande@quicinc.com, ancientmodern4@gmail.com, ben.dooks@codethink.co.uk, quic_zhonhan@quicinc.com, cuiyunhui@bytedance.com, yang.lee@linux.alibaba.com, ke.zhao@shingroup.cn, sunilvl@ventanamicro.com, tanzhasanwork@gmail.com, schwab@suse.de, dawei.li@shingroup.cn, rppt@kernel.org, willy@infradead.org, usama.anjum@collabora.com, osalvador@suse.de, ryan.roberts@arm.com, andrii@kernel.org, alx@kernel.org, catalin.marinas@arm.com, broonie@kernel.org, revest@chromium.org, bgray@linux.ibm.com, deller@gmx.de, zev@bewilderbeest.net, Conor Dooley <conor.dooley@microchip.com> Subject: [PATCH v4 05/30] riscv: Call riscv_user_isa_enable() only on the boot hart Date: Thu, 12 Sep 2024 16:16:24 -0700 Message-ID: <20240912231650.3740732-6-debug@rivosinc.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240912231650.3740732-1-debug@rivosinc.com> References: <20240912231650.3740732-1-debug@rivosinc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: i1b85dimda17m4x65a4tmhppu6ccgxck X-Rspamd-Queue-Id: 51F564000D X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1726183049-276695 X-HE-Meta: U2FsdGVkX1+YC8jRAkFOczZ0VH1OSAMgU8Lv20txaY5ik7YUEF714jU3dGllVWr7Bre1ZZ3QveVLsbt4fe7k96CJqdWg78pqsY2cDKjqN30H+e6V8BG5nvn1TODLdo78oKzFlt9TpTlhzvMFH92k//HLkTaUG5JAcM7kPJOZZQim792vZho4Gh3/w9dvW8b7gA5m6HWQQf7mYOhe3UovApGsW/ZY/YiUbOdJq4n7zUlQsnUFy9d50nadoY6Uw+XefAZkvYT8i4kotF0/FZ/pj3rulHp9+3i0ciE5gcS/HaxlXf+GLM4TsRU0HoqEdWlW9Bo4MPVirLgrNMCJG6bJa1FroM1wSJOAKkKpVOt/ytLIv6Fref1zY45q6VwRitThMNmLoWM1Kvc6vDwVQAxptVq37elmQMjkXeendYoYRiNKkJbNa8BsukEF5I5J3lV2IPqTa8mDKL96RHi8Ewr0C+BqSgvXtAYOIDekR5CVcfFw4P574uZkZgR9JEjNRNRuUCOm3zptd2t3ju1Gajp+txvRwL+pB6yzo/WcqPsFZE44Un8LZrUsFU2uBL4nMxFHQcg6yRNUsPFY3dh27vj3bEiHohpNOPNmShx3O8P21mm0rxYmOWFnN6tnwWdBFrdUFYvVp9Nhwqc92KRfcjKiyXLFtrPHw15urgrGWN5AbzVFab94ChB71GERC+P41BGUUdZJ8Ay5LCnYUj6LThm9hcofXoY4m7mCu6zgx77GKf3EwzFvOyTplZGDsJeAV6lQNQi2eh5EZSCeBnsP5pCIrdOTRQoRSuFGZ8TBw+2RkkhVEJilsJXThRU3t0JZohy4Zgg51kdtqUvKdSqM8YQbY8BYxYz92SKgLMPMFWZ0e7Uyga7f8H1IjN7auAr/aQNHb7zwhtilJ/jK3qPZkYRr3NupUlb/eqZ03xlubE29UzBwFh3w3cDZWbvDgu+krPfnKSPRqgnacnLKhRp9u1h grgpA27M 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> List-Subscribe: <mailto:majordomo@kvack.org> List-Unsubscribe: <mailto:majordomo@kvack.org> |
Series |
riscv control-flow integrity for usermode
|
expand
|
diff --git a/arch/riscv/include/asm/cpufeature.h b/arch/riscv/include/asm/cpufeature.h index 45f9c1171a48..ce9a995730c1 100644 --- a/arch/riscv/include/asm/cpufeature.h +++ b/arch/riscv/include/asm/cpufeature.h @@ -31,7 +31,7 @@ DECLARE_PER_CPU(struct riscv_cpuinfo, riscv_cpuinfo); /* Per-cpu ISA extensions. */ extern struct riscv_isainfo hart_isa[NR_CPUS]; -void riscv_user_isa_enable(void); +void __init riscv_user_isa_enable(void); #define _RISCV_ISA_EXT_DATA(_name, _id, _subset_exts, _subset_exts_size, _validate) { \ .name = #_name, \ diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index f7fcd23d55de..41fd0be25bd8 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -919,12 +919,12 @@ unsigned long riscv_get_elf_hwcap(void) return hwcap; } -void riscv_user_isa_enable(void) +void __init riscv_user_isa_enable(void) { if (riscv_has_extension_unlikely(RISCV_ISA_EXT_ZICBOZ)) current->thread_info.envcfg |= ENVCFG_CBZE; else if (any_cpu_has_zicboz) - pr_warn_once("Zicboz disabled as it is unavailable on some harts\n"); + pr_warn("Zicboz disabled as it is unavailable on some harts\n"); } #ifdef CONFIG_RISCV_ALTERNATIVE diff --git a/arch/riscv/kernel/smpboot.c b/arch/riscv/kernel/smpboot.c index 0f8f1c95ac38..e36d20205bd7 100644 --- a/arch/riscv/kernel/smpboot.c +++ b/arch/riscv/kernel/smpboot.c @@ -233,8 +233,6 @@ asmlinkage __visible void smp_callin(void) numa_add_cpu(curr_cpuid); set_cpu_online(curr_cpuid, true); - riscv_user_isa_enable(); - /* * Remote cache and TLB flushes are ignored while the CPU is offline, * so flush them both right now just in case.