On Sat, Aug 09, 2008 at 11:12:19AM -0700, Suresh Siddha wrote:
quoted text
> In this padlock case with the patch, we may encounter a nested
> kernel_fpu_begin() and end()
> but this is ok, as the padlock is not actually touching fpu/sse registers.

I take this back. kernel_fpu_end() is unconditionally doing stts(). So,
nesting of kernel_fpu_begin/end() is not ok.
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