x86-64, build: Fix stack protector Makefile breakage with 32-bit userland
commit 14262d67 upstream. If you are using a 64-bit kernel with 32-bit userland, then scripts/gcc-x86_64-has-stack-protector.sh invokes 32-bit gcc with -mcmodel=kernel, which produces: <stdin>:1:0: error: code model 'kernel' not supported in the 32 bit mode and trips the "broken compiler" test at arch/x86/Makefile:120. There are several places a fix is possible, but the following seems cleanest. (But it's minimal; it would also be possible to factor out a bunch of stuff from the two branches of the if.) Signed-off-by:George Spelvin <linux@horizon.com> Link: http://lkml.kernel.org/r/20140507210552.7581.qmail@ns.horizon.comSigned-off-by:
H. Peter Anvin <hpa@linux.intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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