Messages in this thread | | | Date | Sat, 31 Oct 2020 16:05:39 +0100 | From | Christophe Leroy <> | Subject | Re: [patch V2 00/18] mm/highmem: Preemptible variant of kmap_atomic & friends |
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> There are also some users on 10+ year old 32-bit netbooks or > business laptops, both x86 and Apple G4. > The longest-lived 32-bit embedded systems with large memory > (other than Arm) are probably NXP QorIQ P20xx/P40xx used in > military VME bus systems, and low-end embedded systems based > on Vortex86. > I'm less worried about all of these because upstream kernel > support for ppc32 and x86-32 is already bitrotting and they will > likely get stuck on the last working kernel before the > TI/Renesas/NXP Arm systems do. >
Upstream kernel support for ppc32 is bitrotting, seriously ? What do you mean exactly ?
ppc32 is actively supported, with recent addition of support of hugepages, kasan, uaccess protection, VMAP stack, etc ...
Christophe
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