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John Richard Moser wrote:
[...]
>
> There's a few other things I want to get done, but I'll worry about
> those later. They are:
>
> - Take care of the FIXME in that __init code in fs/exec.c to use
> architecture-specific #defines for the maximum values of these
> parameters, probably in asm-* somewhere.
[...]
Working on this right now. I've fixed the 4096 hard-coded page sizes
and made them work with PAGE_SIZE; the stack was fun, I had to use a
long_log2() and calculate how many page_random_bits were possible and
cut that out to see if any vma_random_bits were left and how many. :)
I'm also looking at using STACK_RANDOM_BITS_MAX_X86 or something because
of IA-32 emulation on x86-64. I definitely need to figure out how to
make that work cleanly; on x86-64 we may have more stack/heap entropy
than sane, and I'd rather limit that (at first; later comes--
confusion-- stack_random_bits32= mmap_random_bits32=).
While I'm at it, does anyone see anything else glaring I should fix? (I
am actually trying to get this merged, yes...)
- --
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-- Bosc, Evil alien overlord from the fifth dimension
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