Conceptupstream kernel / Linux 主线
Upstream Kernel
The Linux mainline source tree maintained by Linus Torvalds. Once drivers and platform support are merged into the upstream, they become available to all users through kernel updates in mainstream distributions.
Timeline (last 90 days)
Oct 31
Upstream usually refers to the mainline kernel and stable branches maintained by Linus Torvalds, while downstream refers to various product kernels (such as the Android Generic Kernel, distribution kernels, and vendor-customized kernels).
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