From mboxrd@z Thu Jan 1 00:00:00 1970 From: patchwork-bot+linux-riscv@kernel.org Date: Sat, 18 Mar 2023 01:00:21 +0000 Subject: [PATCH v6 0/8] RISC-V: Apply Zicboz to clear_page In-Reply-To: <20230224162631.405473-1-ajones@ventanamicro.com> References: <20230224162631.405473-1-ajones@ventanamicro.com> Message-ID: <167910122129.24496.10588514847374462522.git-patchwork-notify@kernel.org> List-Id: To: kvm-riscv@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Hello: This series was applied to riscv/linux.git (for-next) by Palmer Dabbelt : On Fri, 24 Feb 2023 17:26:23 +0100 you wrote: > When the Zicboz extension is available we can more rapidly zero naturally > aligned Zicboz block sized chunks of memory. As pages are always page > aligned and are larger than any Zicboz block size will be, then > clear_page() appears to be a good candidate for the extension. While cycle > count and energy consumption should also be considered, we can be pretty > certain that implementing clear_page() with the Zicboz extension is a win > by comparing the new dynamic instruction count with its current count[1]. > Doing so we see that the new count is just over a quarter of the old count > (see patch6's commit message for more details). > > [...] Here is the summary with links: - [v6,1/8] RISC-V: alternatives: Support patching multiple insns in assembly https://git.kernel.org/riscv/c/0b2f658f5370 - [v6,2/8] RISC-V: Factor out body of riscv_init_cbom_blocksize loop https://git.kernel.org/riscv/c/8b05e7d0408a - [v6,3/8] dt-bindings: riscv: Document cboz-block-size https://git.kernel.org/riscv/c/ea20f117ab99 - [v6,4/8] RISC-V: Add Zicboz detection and block size parsing https://git.kernel.org/riscv/c/7ea5a73617e9 - [v6,5/8] RISC-V: cpufeatures: Put the upper 16 bits of patch ID to work https://git.kernel.org/riscv/c/d25f256332cc - [v6,6/8] RISC-V: Use Zicboz in clear_page when available https://git.kernel.org/riscv/c/ab0f77465e3e - [v6,7/8] RISC-V: KVM: Provide UAPI for Zicboz block size https://git.kernel.org/riscv/c/665fd8862413 - [v6,8/8] RISC-V: KVM: Expose Zicboz to the guest https://git.kernel.org/riscv/c/b20f67994f35 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html