Messages in this thread | | | From | Linus Torvalds <> | Date | Fri, 9 Feb 2018 13:11:52 -0800 | Subject | Re: [PATCH 00/31 v2] PTI support for x86_32 |
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On Fri, Feb 9, 2018 at 1:09 PM, Pavel Machek <pavel@ucw.cz> wrote: > > Hardware supports PCID even on 32-bit kernels, no?
We're not adding support for it even if it were possible. No way.
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.
Linus
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