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[123.225.39.221]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-11f283d4733sm10364600c88.17.2025.12.10.08.13.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Dec 2025 08:14:01 -0800 (PST) From: Charlie Jenkins X-Google-Original-From: Charlie Jenkins Date: Wed, 10 Dec 2025 08:13:42 -0800 Subject: [PATCH RFC 05/10] riscv: kconfig: Add zve32x 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 Message-Id: <20251210-profiles-v1-5-315a6ff2ca5a@gmail.com> References: <20251210-profiles-v1-0-315a6ff2ca5a@gmail.com> In-Reply-To: <20251210-profiles-v1-0-315a6ff2ca5a@gmail.com> To: Paul Walmsley , Palmer Dabbelt , Alexandre Ghiti , Anup Patel , Atish Patra , Samuel Holland , =?utf-8?q?Bj=C3=B6rn_T=C3=B6pel?= , Luke Nelson , Xi Wang , Eric Biggers , Conor Dooley Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Charlie Jenkins X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1765383226; l=1267; i=thecharlesjenkins@gmail.com; s=20240124; h=from:subject:message-id; bh=9M10GOO0wPEhtE1SP1x63n71s2lNJna47O4qmUwYiKQ=; b=28t6i9wcH+p48IMmANOO6dGSWTsicxZlvL4RUCZcLWJXBOifTOA6LWtXCBLQgkZP+a/7/X34W XnSzAobaK+aCyGv8eYPcN60Dt7lQjhIMOjx10YerZrpSmX75F2ZVURi X-Developer-Key: i=thecharlesjenkins@gmail.com; a=ed25519; pk=eVndo3OHViAjwuqHqbJB4ZtzJzzvk/r6fUf84tZ3rw4= Add zve32x since has_vector() checks for vector support by looking for this extension. Signed-off-by: Charlie Jenkins --- arch/riscv/Kconfig.extensions | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/riscv/Kconfig.extensions b/arch/riscv/Kconfig.extensions index e3ca147765b1..e400fd5574f7 100644 --- a/arch/riscv/Kconfig.extensions +++ b/arch/riscv/Kconfig.extensions @@ -347,6 +347,7 @@ config RISCV_ISA_V depends on TOOLCHAIN_HAS_V depends on FPU select DYNAMIC_SIGFRAME + select RISCV_ISA_ZVE32X depends on NONPORTABLE || m default m help @@ -359,6 +360,19 @@ config RISCV_ISA_V =20 If you don't know what to do here, say m. =20 +config RISCV_ISA_ZVE32X + tristate "zve32x extension support" + depends on NONPORTABLE || m + default m + help + zve23x is a subset of the vector extension. Can be enabled for minimal = vector support. + + Select "m" for boot-time detection for portability. + + Select "y" for compile-time detection for optimization. Only available = with NONPORTABLE. + + If you don't know what to do here, say m. + config RISCV_ISA_V_DEFAULT_ENABLE bool "Enable userspace Vector by default" depends on RISCV_ISA_V --=20 2.43.0