On Sunday 16 July 2006 22:47, Ingo Molnar wrote:
> * Andi Kleen <[email protected]> wrote:
> > unsigned long arch_align_stack(unsigned long sp)
> > {
> > - if (randomize_va_space)
> > + if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
> > sp -= get_random_int() % 8192;
> > return sp & ~0xf;
>
> i'm not opposing this patch at all, but didnt the performance problems
> go away when the 0xf was changed to 0x7f?
Yes, but i sent the patch before that other patch was available.
I guess it's a separate issue anyways - this patch is just concerned about
disabling randomization consistently. Performance optimization can be done
in another one.
-Andi
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