x86-64: Move kernelstack from PDA to per-cpu.
authorBrian Gerst <brgerst@gmail.com>
Sun, 18 Jan 2009 15:38:58 +0000 (00:38 +0900)
committerTejun Heo <tj@kernel.org>
Sun, 18 Jan 2009 15:38:58 +0000 (00:38 +0900)
Also clean up PER_CPU_VAR usage in xen-asm_64.S

tj: * remove now unused stack_thread_info()
    * s/kernelstack/kernel_stack/
    * added FIXME comment in xen-asm_64.S

Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

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