On Monday, July 19, 2010 5:30:54 pm Kostik Belousov wrote:
> Hi,
> I intend to commit the following change, that makes sysctls
> hw.machine_arch and hw.machine to return "i386" for 32 bit
> binaries run on amd64. In particular, 32 bit uname -m and uname -p
> print "i386", that is good for i386 jails on amd64 kernels.
> I find the change very useful for me, but I wonder why such trivial
> modification is not yet done. Can anybody note a possible fallout from
> it ?

Presumably ia64 and powerpc64 would need a similar change as well?  It looks 
fine to me.  I suspect Y! used the UNAME_* approach as it didn't add yet-
another local diff to maintain in the kernel, and the uname fixes at Y! might 
have predated SCTL_MASK32.

John Baldwin
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