[PATCH v4] powerpc: 64K page support for kexec

[Paul Mackerras]

Luke Browning writes:

> How about the following as an alternative. 
> 
>   BUG_ON((hpte_v & 0x4000000000000000UL) && (crashing_cpus == -1));
>   BUG_ON((size == MMU_PAGE_16G) && (crashing_cpus == -1));
>   BUG_ON((size == MMU_PAGE_64K_AP) && (crashing_cpus == -1));

How much effort would it be to add the code to cope with those
conditions and give the correct answers?  I'd much prefer that to
these BUG_ONs.

Paul.