Quoting Tzafrir Cohen, from the post of Fri, 30 Apr: > On Fri, Apr 30, 2004 at 03:03:13PM +0300, Ira Abramov wrote: > > Someone just asked me and I didn't know what to tell him... > > > > an Opteron machine, how x86 is it? I understand it's supposed to be > > fully backwards compatible. does it mean I can just take an x86 regular > > 32 bit kernel and binaries and run on it? is 64bit an option or a must? > > how does it mix? can old 32bit binaries run under a 64bit kernel? IS > > there already a 64bit opteron kernel? > > opterons can fully boot and run 32bit systems. > > As for mixing 32bit and 64bit: AFAIK you can't mix 32bit and 64bit code > in the same process. Thus a 32bit binary needs a separate set of > libraries. Other than that, it works just as well.
umm... why? the CPU doesn't really know a process from any other bunch of opcodes in its pipe. should it care? if what you said were true, we'd have to have two separate kernels for 32bit and 64bit system calls as well :) umm, I guess I should do more googling. -- Nominated for a butt load of awards Ira Abramov http://ira.abramov.org/email/ ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]
