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authorAndi Kleen <ak@suse.de>2007-06-23 02:29:23 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-22 18:41:18 -0700
commit9d9bbd4d247a674deb43565582151acdc22e90d1 (patch)
tree1bab60b6457812b10dd62f8bbddb7985b53d5495 /usr
parent3f2c6d0f4f0dafdc99af0df71edba57e7815cb13 (diff)
i386: Make CMPXCHG64 only dependent on PAE
It is only used for PAE kernels in set_64bit. The problem is that due to a old Windows bug many CPUs need magic MSRs to enable CMPXCHG64, and we can't do that nicely early enough before it is potentially used. But since we only need it in PAE kernels so only force the checking for CMPXCHG65 with PAE. This fixes a boot failure on Transmeta Crusoe Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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