Linux: split baseline and architecture requirements

The current Linux compatibility table is difficult to read because it
mixes together multiple architectures. Make things more clear with a
simply architecture-independent table plus a table for arch-specific
requirements.

Change-Id: I6a6a636c9dc87ca5298d7a0bafee59124197c12e
Reviewed-on: https://go-review.googlesource.com/c/wiki/+/749006
Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Sean Liao <sean@liao.dev>
diff --git a/Linux.md b/Linux.md
index 9e65666..69f3681 100644
--- a/Linux.md
+++ b/Linux.md
@@ -2,16 +2,34 @@
 title: Go on Linux
 ---
 
-| **Kernel version** | **Architectures**     | **Initial support version** | **Final support version** |
-| :----------------- | :-------------------- | :-------------------------- | :------------------------ |
-| TBD                | mips, mipsle          | Go 1.8                      |                           |
-| TBD                | s390x                 | Go 1.7                      |                           |
-| 4.8 or above       | mips64le              | Go 1.6                      |                           |
-| TBD                | mips64                | Go 1.6                      |                           |
-| TBD                | arm64, ppc64, ppc64le | Go 1.5                      |                           |
-| 3.2 or above       | arm                   | Go 1.1 _\*_                 |                           |
-| 3.1                | arm                   | Go 1.1 _\*_                 | Go 1.23.12                |
-| 3.2 or above       | amd64, 386            | Go 1 _\*_                   |                           |
-| 5.19 or above      | loong64               | Go 1.19                     |                           |
+## Baseline requirements
+
+These are the minimum kernel requirements for any Go build.
+Some architectures may have a higher version requirement (see below).
+
+| **Kernel version** | **Final support version** |
+| :----------------- | :------------------------ |
+| 3.2 or above       |                           |
+| 2.6.32 or above    | Go 1.23.12                |
+| 2.6.23 or above    | Go 1.18.10                |
+
+## Achitecture-specific requirements
+
+| **Architecture**      | **Kernel version**           | **Initial support version** | **Final support version** |
+| :-------------------- | :-----------------           | :-------------------------- | :------------------------ |
+| 386                   | 3.2 or above                 | Go 1 _\*_                   |                           |
+| amd64                 | 3.2 or above                 | Go 1 _\*_                   |                           |
+| arm                   | 3.2 or above                 | Go 1.1 _\*_                 |                           |
+| arm                   | 3.1 or above                 | Go 1.1 _\*_                 | Go 1.23.12                |
+| arm64                 | TBD                          | Go 1.5                      |                           |
+| loong64               | 5.19 or above                | Go 1.19                     |                           |
+| mips                  | TBD                          | Go 1.8                      |                           |
+| mipsle                | TBD                          | Go 1.8                      |                           |
+| mips64                | TBD                          | Go 1.6                      |                           |
+| mips64le              | [4.8 or above](/issue/16848) | Go 1.6                      |                           |
+| ppc64                 | TBD                          | Go 1.5                      |                           |
+| ppc64le               | TBD                          | Go 1.5                      |                           |
+| riscv                 | TBD                          | Go 1.14                     |                           |
+| s390x                 | TBD                          | Go 1.7                      |                           |
 
 _\*_ Go 1.5 or above is recommended.