Message ID | 20250414123543.1615478-4-cleger@rivosinc.com (mailing list archive) |
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State | New |
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([2a01:e0a:e17:9700:16d2:7456:6634:9626]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-39eae9780a0sm11003166f8f.50.2025.04.14.05.35.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Apr 2025 05:35:55 -0700 (PDT) From: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= <cleger@rivosinc.com> To: linux-doc@vger.kernel.org (open list:DOCUMENTATION), linux-kernel@vger.kernel.org (open list), linux-riscv@lists.infradead.org (open list:RISC-V ARCHITECTURE), linux-kselftest@vger.kernel.org (open list:KERNEL SELFTEST FRAMEWORK) Cc: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= <cleger@rivosinc.com>, Jonathan Corbet <corbet@lwn.net>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Alexandre Ghiti <alex@ghiti.fr>, Shuah Khan <shuah@kernel.org>, Andrew Jones <ajones@ventanamicro.com>, Samuel Holland <samuel.holland@sifive.com> Subject: [PATCH 3/5] riscv: misaligned: use get_user() instead of __get_user() Date: Mon, 14 Apr 2025 14:34:43 +0200 Message-ID: <20250414123543.1615478-4-cleger@rivosinc.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250414123543.1615478-1-cleger@rivosinc.com> References: <20250414123543.1615478-1-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: misaligned: fix interruptible context and add tests
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diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c index 4354c87c0376..97c674d7d34f 100644 --- a/arch/riscv/kernel/traps_misaligned.c +++ b/arch/riscv/kernel/traps_misaligned.c @@ -268,7 +268,7 @@ 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(-)