[PATCH v4] powerpc: 64K page support for kexec
benh at kernel.crashing.org
Sun Apr 29 19:31:01 EST 2007
On Sun, 2007-04-29 at 18:30 +1000, Paul Mackerras wrote:
> 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.
1T segments shouldn't be too hard... 16G pages goes with it pretty much,
and AP ... well... do they work on any implementation anyway ?
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