Comment 46 for bug 1574982

-fno-PIE builds (Sebastian Siewior and Borislav Petkov). This is
     not a kernel regression, but one of the Debian gcc package.
     Nevertheless, it's quite annoying, so I think it should go into
     mainline and stable now"

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=04e36857d6747e4525e68c4292c081b795b48366