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Mon, 29 Jul 2024 13:50:41 -0700 (PDT) Received: from charlie.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-70ead72ba2csm7454541b3a.93.2024.07.29.13.50.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Jul 2024 13:50:41 -0700 (PDT) From: Charlie Jenkins Subject: [PATCH 0/2] tools: Add barrier implementations for riscv Date: Mon, 29 Jul 2024 13:50:34 -0700 Message-Id: <20240729-optimize_ring_buffer_read_riscv-v1-0-6bbc0f2434ee@rivosinc.com> 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: 7bit X-B4-Tracking: v=1; b=H4sIAJoAqGYC/x2NwQqDMBAFf0X23IAusbb9lSJB44vuoVE2KqXiv xt6nDnMHJSggkSv4iDFLknmmKG6FeSnLo4wMmQmLtmWDddmXlb5yA9OJY6u30KAOkU3ZJH8bpg f9ll5i/4OypVFEeT7P7zb87wAqv4X33EAAAA= To: Paul Walmsley , Palmer Dabbelt , Albert Ou , Andrea Parri Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Charlie Jenkins X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1722286240; l=748; i=charlie@rivosinc.com; s=20231120; h=from:subject:message-id; bh=SWoPzKkjwRPP6Fw8++lKxhhYl2PukdTfW8smKgrVYEM=; b=X/1NIE1i3kONOrn/juB4EbkpjSE6PBybz1vWcokDzgdT9HvE0maY9P/qm4SaaxK4RnxljnKmy Fi9LezqwdrHBqsyDrIeDZDY5pawHgzuuAOiJta1jDUwztfGMDtBhXd9 X-Developer-Key: i=charlie@rivosinc.com; a=ed25519; pk=t4RSWpMV1q5lf/NWIeR9z58bcje60/dbtxxmoSfBEcs= Add support for riscv specific barrier implementations to the tools tree, so that fence instructions can be emitted for synchronization. Signed-off-by: Charlie Jenkins --- Charlie Jenkins (2): tools: Add riscv barrier implementation tools: Optimize ring buffer for riscv tools/arch/riscv/include/asm/barrier.h | 39 ++++++++++++++++++++++++++++++++++ tools/arch/riscv/include/asm/fence.h | 13 ++++++++++++ tools/include/asm/barrier.h | 2 ++ tools/include/linux/ring_buffer.h | 2 +- 4 files changed, 55 insertions(+), 1 deletion(-) --- base-commit: 0c3836482481200ead7b416ca80c68a29cfdaabd change-id: 20240725-optimize_ring_buffer_read_riscv-228491c4eb6e -- - Charlie