Little Endian Feature History
Michael Ellerman edited this page Mar 15, 2024
·
6 revisions
Matrix of notable little endian-related features and which kernel version they were introduced in.
This does not take into account backports to stable branches.
| Kernel Version | Feature |
|---|---|
| 3.13 |
FIXUP_ENDIAN1
|
| 3.13 |
CONFIG_CPU_LITTLE_ENDIAN2
|
| 3.16 | ELFv2 kernel |
| 3.16 | ppc64le zImage |
| 4.10 | Bi-endian build w/out clean 3 |
| v6.2 | Big endian ELFv2 kernel |
| v6.5 | Big endian ELFv2 kernel by default |
-
Kernel is able to switch to the endian it is compiled for on entry.
-
The ability to configure the kernel to be built little endian - this essentially the epoch for LE. Commit 7c105b63bd98
powerpc: Add CONFIG_CPU_LITTLE_ENDIAN kernel config option. -
Ability to switch the endian of the build (via .config), without needing to
make clean.