On Wed, 2013-05-08 at 05:15 +0200, Adam Borowski wrote: > On Wed, May 08, 2013 at 01:59:38AM +0200, Aurelien Jarno wrote: > > (b) It's completely useless on a Debian system, as the kernel doesn't > > support x32 binaries. > > Is there a big reason to not enable CONFIG_X86_X32 in default kernels? > > It doesn't seem to have more downsides than your average kernel feature > (more bloat = slightly more memory used and some potential for bugs), > and making a port, even a second-class one, easier to work with seems > to be worth it.
Some of those bugs may be security vulnerabilities - not just in the kernel, but in userland (think of seccomp mode 2 filters). To me, the benefit of adding x32 seems so vanishingly small that it doesn't yet outweigh that concern. > You do have a point about adding new multilibs instead of multiarch, though. Ben. -- Ben Hutchings For every action, there is an equal and opposite criticism. - Harrison
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