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Re: difference between 32 bit and 64 bit .so
On Fri, Jul 23, 2010 at 06:39:17AM -0400, Mike Frysinger wrote:
> On Friday, July 23, 2010 06:33:10 Jakub Jelinek wrote:
> for many people, the security aspect is irrelevant. if the process has the
> ability to change the protection on its pages, the fact that the ldso made
The textrels means that you need to give such an ability to the process.
Without them you can forbid changing protection from W to X (and mapping
WX).
> > Just use x86-64 instead of x86 if speed is a problem.
>
> sure, i'll let the people running proven hardware know that they need to
> "upgrade" all of it to address issues they could care less about
It has been very hard to buy a 32-bit only x86 box which would have reasonable
performance for many years now, so I don't think people need to do any
upgrade. If they are using Atoms, they probably care about other things
than speed.
Jakub