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([2a01:e0a:999:a3a0:322c:7eda:35fd:4614]) by smtp.gmail.com with ESMTPSA id p12-20020a5d638c000000b003432ffc3aeasm11594008wru.56.2024.04.09.07.39.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Apr 2024 07:39:40 -0700 (PDT) From: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= To: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Cc: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= , Paul Walmsley , Palmer Dabbelt , Albert Ou Subject: [PATCH riscv/fixes] riscv: hwprobe: fix invalid sign extension for RISCV_HWPROBE_EXT_ZVFHMIN Date: Tue, 9 Apr 2024 16:38:37 +0200 Message-ID: <20240409143839.558784-1-cleger@rivosinc.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The current definition yields a negative 32bits signed value which result in a mask with is obviously incorrect. Replace it by using a 1ULL bit shift value to obtain a single set bit mask. Fixes: 5dadda5e6a59 ("riscv: hwprobe: export Zvfh[min] ISA extensions") Signed-off-by: Cl=C3=A9ment L=C3=A9ger Reviewed-by: Alexandre Ghiti --- arch/riscv/include/uapi/asm/hwprobe.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uap= i/asm/hwprobe.h index 9f2a8e3ff204..2902f68dc913 100644 --- a/arch/riscv/include/uapi/asm/hwprobe.h +++ b/arch/riscv/include/uapi/asm/hwprobe.h @@ -54,7 +54,7 @@ struct riscv_hwprobe { #define RISCV_HWPROBE_EXT_ZFHMIN (1 << 28) #define RISCV_HWPROBE_EXT_ZIHINTNTL (1 << 29) #define RISCV_HWPROBE_EXT_ZVFH (1 << 30) -#define RISCV_HWPROBE_EXT_ZVFHMIN (1 << 31) +#define RISCV_HWPROBE_EXT_ZVFHMIN (1ULL << 31) #define RISCV_HWPROBE_EXT_ZFA (1ULL << 32) #define RISCV_HWPROBE_EXT_ZTSO (1ULL << 33) #define RISCV_HWPROBE_EXT_ZACAS (1ULL << 34) --=20 2.43.0