Linux 6.1 continues to bring new CPU features to LoongArch architecture

Publisher:满足的36号Latest update time:2022-10-14 Source: cnbetaKeywords:Linux Reading articles on mobile phones Scan QR code
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Although the Linux community has long since introduced preliminary support for LoongArch CPUs through the 5.19 merge, it has not yet reached the stage of maturity where it can be pushed to the public. In the meantime, developers have insisted on filling in feature gaps -- such as LoongArch PCI support and other changes brought to Linux 6.0. Now, the Linux 6.1 kernel brings new additional features to LoongArch CPUs derived from MIPS64 and RISC-V.


(Picture from: Loongson official website)


A few days ago, developers completed the LoongArch EFI boot in preparation for Linux 6.1's EFI confidential computing. The main work on Wednesday mainly involves the migration and update merging of LongArch CPU.


In addition, this development cycle has also undergone the reconstruction of TLB / cache operations, supporting qspinlock / perf event, Kexec and Kdump processing.


Architecture-oriented implementation of a generic BUG() handler, eBPF JIT support, ACPI-based laptop driver, and deconfig default kernel configuration.


To sum up, this round of Linux 6.1 merger is still a very busy feature cycle for LoongArch.


Interested friends can go to git.kernel.org to view details.


Keywords:Linux Reference address:Linux 6.1 continues to bring new CPU features to LoongArch architecture

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