Linus Torvalds writes: (Summary) On Fri, Feb 9, 2018 at 1:09 PM, Pavel Machek <pavel@ucw.cz> wrote:
We're not adding support for it even if it were possible. Christ, even if you want to run 32-bit user code, you'd better run a 64-bit kernel. Backporting the PCID bits to something that no actual real developer will ever use is crazy and unacceptable. real developer will ever use is crazy and unacceptable. Linus
Linus
Linus
[...]
Hardware supports PCID even on 32-bit kernels, no?We're not adding support for it even if it were possible. Christ, even if you want to run 32-bit user code, you'd better run a 64-bit kernel. Backporting the PCID bits to something that no actual real developer will ever use is crazy and unacceptable. real developer will ever use is crazy and unacceptable. Linus
Linus
Linus