Answer (short): Never.
Answer (longer): Never, because the source tarball is defective. A freshly introduced bug brings the 32-bit build to an abrupt halt during the module building phase.
ERROR: "__udivdi3" [fs/ext4/ext4.ko] undefined!
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2
Theodore Ts'o submitted a patch that repair the build problem:
ReplyDeletehttp://www.spinics.net/lists/linux-ext4/msg37600.html
GregKH replied with two thanks :-) :
"Thanks for the review, will apply it for the next release, thanks."
According to 3.0.73-stable preview posted by GregKH, the promised fix is indeed included:
ReplyDeleteTodd Poynor
ext4: fixup 64-bit divides in 3.0-stable backport of upstream fix